Merge branch 'stable-4.11' into stable-5.0

* stable-4.11:
  Prepare 4.11.10-SNAPSHOT builds
  JGit v4.11.9.201909030838-r
  Bazel: Update bazlets to the latest master revision
  Bazel: Remove FileTreeIteratorWithTimeControl from BUILD file
  BatchRefUpdate: repro racy atomic update, and fix it
  Delete unused FileTreeIteratorWithTimeControl
  Fix RacyGitTests#testRacyGitDetection
  Change RacyGitTests to create a racy git situation in a stable way
  Silence API warnings

Change-Id: Ifb6a4dbea2f48fd2ffa66eb737d61920aefedfbd
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
index 91809da..268baee 100644
--- a/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ant.test/META-INF/MANIFEST.MF
@@ -4,13 +4,13 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.ant.test
 Bundle-SymbolicName: org.eclipse.jgit.ant.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: org.apache.tools.ant,
- org.eclipse.jgit.ant.tasks;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.ant.tasks;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
  org.junit;version="[4.12,5.0.0)"
diff --git a/org.eclipse.jgit.ant.test/pom.xml b/org.eclipse.jgit.ant.test/pom.xml
index dba6e7a..4bfbc9e 100644
--- a/org.eclipse.jgit.ant.test/pom.xml
+++ b/org.eclipse.jgit.ant.test/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.ant.test</artifactId>
diff --git a/org.eclipse.jgit.ant/META-INF/MANIFEST.MF b/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
index b050db2..6df3091 100644
--- a/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ant/META-INF/MANIFEST.MF
@@ -3,11 +3,11 @@
 Bundle-Name: %Bundle-Name
 Automatic-Module-Name: org.eclipse.jgit.ant
 Bundle-SymbolicName: org.eclipse.jgit.ant
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: org.apache.tools.ant,
-  org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)"
+  org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)"
 Bundle-Localization: plugin
 Bundle-Vendor: %Provider-Name
-Export-Package: org.eclipse.jgit.ant.tasks;version="4.11.10";
+Export-Package: org.eclipse.jgit.ant.tasks;version="5.0.4";
  uses:="org.apache.tools.ant.types,org.apache.tools.ant"
diff --git a/org.eclipse.jgit.ant/pom.xml b/org.eclipse.jgit.ant/pom.xml
index f5b1c97..a288360 100644
--- a/org.eclipse.jgit.ant/pom.xml
+++ b/org.eclipse.jgit.ant/pom.xml
@@ -48,7 +48,7 @@
 	<parent>
 		<groupId>org.eclipse.jgit</groupId>
 		<artifactId>org.eclipse.jgit-parent</artifactId>
-		<version>4.11.10-SNAPSHOT</version>
+		<version>5.0.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.jgit.ant</artifactId>
diff --git a/org.eclipse.jgit.archive/META-INF/MANIFEST.MF b/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
index 781b796..3285ee4 100644
--- a/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.archive/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.archive
 Bundle-SymbolicName: org.eclipse.jgit.archive
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
@@ -13,15 +13,15 @@
  org.apache.commons.compress.compressors.bzip2;version="[1.4,2.0)",
  org.apache.commons.compress.compressors.gzip;version="[1.4,2.0)",
  org.apache.commons.compress.compressors.xz;version="[1.4,2.0)",
- org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
  org.osgi.framework;version="[1.3.0,2.0.0)"
 Bundle-ActivationPolicy: lazy
 Bundle-Activator: org.eclipse.jgit.archive.FormatActivator
-Export-Package: org.eclipse.jgit.archive;version="4.11.10";
+Export-Package: org.eclipse.jgit.archive;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.api,
    org.apache.commons.compress.archivers,
diff --git a/org.eclipse.jgit.archive/META-INF/SOURCE-MANIFEST.MF b/org.eclipse.jgit.archive/META-INF/SOURCE-MANIFEST.MF
index 767e99c..f85551e 100644
--- a/org.eclipse.jgit.archive/META-INF/SOURCE-MANIFEST.MF
+++ b/org.eclipse.jgit.archive/META-INF/SOURCE-MANIFEST.MF
@@ -3,5 +3,5 @@
 Bundle-Name: org.eclipse.jgit.archive - Sources
 Bundle-SymbolicName: org.eclipse.jgit.archive.source
 Bundle-Vendor: Eclipse.org - JGit
-Bundle-Version: 4.11.10.qualifier
-Eclipse-SourceBundle: org.eclipse.jgit.archive;version="4.11.10.qualifier";roots="."
+Bundle-Version: 5.0.4.qualifier
+Eclipse-SourceBundle: org.eclipse.jgit.archive;version="5.0.4.qualifier";roots="."
diff --git a/org.eclipse.jgit.archive/pom.xml b/org.eclipse.jgit.archive/pom.xml
index 146edf7..4bfa176 100644
--- a/org.eclipse.jgit.archive/pom.xml
+++ b/org.eclipse.jgit.archive/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.archive</artifactId>
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
index 7559ada..9ed60d9 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TarFormat.java
@@ -42,6 +42,8 @@
  */
 package org.eclipse.jgit.archive;
 
+import static org.eclipse.jgit.lib.Constants.CHARACTER_ENCODING;
+
 import java.io.IOException;
 import java.io.OutputStream;
 import java.text.MessageFormat;
@@ -82,22 +84,14 @@
 	@Override
 	public ArchiveOutputStream createArchiveOutputStream(OutputStream s,
 			Map<String, Object> o) throws IOException {
-		TarArchiveOutputStream out = new TarArchiveOutputStream(s, "UTF-8"); //$NON-NLS-1$
+		TarArchiveOutputStream out = new TarArchiveOutputStream(s,
+				CHARACTER_ENCODING);
 		out.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
 		out.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
 		return applyFormatOptions(out, o);
 	}
 
 	/** {@inheritDoc} */
-	@Deprecated
-	@Override
-	public void putEntry(ArchiveOutputStream out,
-			String path, FileMode mode, ObjectLoader loader)
-			throws IOException {
-		putEntry(out, null, path, mode,loader);
-	}
-
-	/** {@inheritDoc} */
 	@Override
 	public void putEntry(ArchiveOutputStream out,
 			ObjectId tree, String path, FileMode mode, ObjectLoader loader)
@@ -106,7 +100,7 @@
 			final TarArchiveEntry entry = new TarArchiveEntry(
 					path, TarConstants.LF_SYMLINK);
 			entry.setLinkName(new String(
-					loader.getCachedBytes(100), "UTF-8")); //$NON-NLS-1$
+					loader.getCachedBytes(100), CHARACTER_ENCODING));
 			out.putArchiveEntry(entry);
 			out.closeArchiveEntry();
 			return;
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
index 2f95f6d..fa6a7b0 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/Tbz2Format.java
@@ -83,15 +83,6 @@
 	}
 
 	/** {@inheritDoc} */
-	@Deprecated
-	@Override
-	public void putEntry(ArchiveOutputStream out,
-			String path, FileMode mode, ObjectLoader loader)
-			throws IOException {
-		putEntry(out, null, path, mode,loader);
-	}
-
-	/** {@inheritDoc} */
 	@Override
 	public void putEntry(ArchiveOutputStream out,
 			ObjectId tree, String path, FileMode mode, ObjectLoader loader)
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
index b22a62d..368b4f2 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TgzFormat.java
@@ -83,15 +83,6 @@
 	}
 
 	/** {@inheritDoc} */
-	@Deprecated
-	@Override
-	public void putEntry(ArchiveOutputStream out,
-			String path, FileMode mode, ObjectLoader loader)
-			throws IOException {
-		putEntry(out, null, path, mode,loader);
-	}
-
-	/** {@inheritDoc} */
 	@Override
 	public void putEntry(ArchiveOutputStream out,
 			ObjectId tree, String path, FileMode mode, ObjectLoader loader)
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
index d23d2b6..36616ed 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/TxzFormat.java
@@ -83,15 +83,6 @@
 	}
 
 	/** {@inheritDoc} */
-	@Deprecated
-	@Override
-	public void putEntry(ArchiveOutputStream out,
-			String path, FileMode mode, ObjectLoader loader)
-			throws IOException {
-		putEntry(out, null, path, mode,loader);
-	}
-
-	/** {@inheritDoc} */
 	@Override
 	public void putEntry(ArchiveOutputStream out,
 			ObjectId tree, String path, FileMode mode, ObjectLoader loader)
diff --git a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
index dc8fb44..8483801 100644
--- a/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
+++ b/org.eclipse.jgit.archive/src/org/eclipse/jgit/archive/ZipFormat.java
@@ -84,15 +84,6 @@
 	}
 
 	/** {@inheritDoc} */
-	@Deprecated
-	@Override
-	public void putEntry(ArchiveOutputStream out,
-			String path, FileMode mode, ObjectLoader loader)
-			throws IOException {
-		putEntry(out, null, path, mode,loader);
-	}
-
-	/** {@inheritDoc} */
 	@Override
 	public void putEntry(ArchiveOutputStream out,
 			ObjectId tree, String path, FileMode mode, ObjectLoader loader)
diff --git a/org.eclipse.jgit.http.apache/.settings/.api_filters b/org.eclipse.jgit.http.apache/.settings/.api_filters
new file mode 100644
index 0000000..bc002ad
--- /dev/null
+++ b/org.eclipse.jgit.http.apache/.settings/.api_filters
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit.http.apache" version="2">
+    <resource path="META-INF/MANIFEST.MF">
+        <filter id="925892614">
+            <message_arguments>
+                <message_argument value="5.0.4"/>
+                <message_argument value="4.11.0"/>
+            </message_arguments>
+        </filter>
+    </resource>
+</component>
diff --git a/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
index 74500ba..69fb47c 100644
--- a/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.apache/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %Bundle-Name
 Automatic-Module-Name: org.eclipse.jgit.http.apache
 Bundle-SymbolicName: org.eclipse.jgit.http.apache
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Bundle-Localization: plugin
 Bundle-Vendor: %Provider-Name
@@ -23,10 +23,10 @@
  org.apache.http.impl.client;version="[4.3.0,5.0.0)",
  org.apache.http.impl.conn;version="[4.3.0,5.0.0)",
  org.apache.http.params;version="[4.3.0,5.0.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)"
-Export-Package: org.eclipse.jgit.transport.http.apache;version="4.11.10";
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)"
+Export-Package: org.eclipse.jgit.transport.http.apache;version="5.0.4";
   uses:="org.apache.http.client,
    org.eclipse.jgit.transport.http,
    org.apache.http.entity,
diff --git a/org.eclipse.jgit.http.apache/pom.xml b/org.eclipse.jgit.http.apache/pom.xml
index 698227c..bc71faa 100644
--- a/org.eclipse.jgit.http.apache/pom.xml
+++ b/org.eclipse.jgit.http.apache/pom.xml
@@ -48,7 +48,7 @@
 	<parent>
 		<groupId>org.eclipse.jgit</groupId>
 		<artifactId>org.eclipse.jgit-parent</artifactId>
-		<version>4.11.10-SNAPSHOT</version>
+		<version>5.0.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>org.eclipse.jgit.http.apache</artifactId>
diff --git a/org.eclipse.jgit.http.apache/src/org/eclipse/jgit/transport/http/apache/HttpClientConnection.java b/org.eclipse.jgit.http.apache/src/org/eclipse/jgit/transport/http/apache/HttpClientConnection.java
index 2819300..7f1fecb 100644
--- a/org.eclipse.jgit.http.apache/src/org/eclipse/jgit/transport/http/apache/HttpClientConnection.java
+++ b/org.eclipse.jgit.http.apache/src/org/eclipse/jgit/transport/http/apache/HttpClientConnection.java
@@ -421,7 +421,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void setHostnameVerifier(final HostnameVerifier hostnameverifier) {
+	public void setHostnameVerifier(HostnameVerifier hostnameverifier) {
 		this.hostnameverifier = hostnameverifier;
 	}
 
diff --git a/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
index a7044e5..c97b927 100644
--- a/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.server/META-INF/MANIFEST.MF
@@ -3,13 +3,13 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.http.server
 Bundle-SymbolicName: org.eclipse.jgit.http.server
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
-Export-Package: org.eclipse.jgit.http.server;version="4.11.10",
- org.eclipse.jgit.http.server.glue;version="4.11.10";
+Export-Package: org.eclipse.jgit.http.server;version="5.0.4",
+ org.eclipse.jgit.http.server.glue;version="5.0.4";
   uses:="javax.servlet,javax.servlet.http",
- org.eclipse.jgit.http.server.resolver;version="4.11.10";
+ org.eclipse.jgit.http.server.resolver;version="5.0.4";
   uses:="org.eclipse.jgit.transport.resolver,
    org.eclipse.jgit.lib,
    org.eclipse.jgit.transport,
@@ -18,12 +18,12 @@
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: javax.servlet;version="[2.5.0,3.2.0)",
  javax.servlet.http;version="[2.5.0,3.2.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.dfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.resolver;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)"
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.dfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.resolver;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)"
diff --git a/org.eclipse.jgit.http.server/pom.xml b/org.eclipse.jgit.http.server/pom.xml
index 52099fd..6f70081 100644
--- a/org.eclipse.jgit.http.server/pom.xml
+++ b/org.eclipse.jgit.http.server/pom.xml
@@ -52,7 +52,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.http.server</artifactId>
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/AsIsFileFilter.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/AsIsFileFilter.java
index 7f826d4..9e9f25e 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/AsIsFileFilter.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/AsIsFileFilter.java
@@ -66,7 +66,7 @@
 class AsIsFileFilter implements Filter {
 	private final AsIsFileService asIs;
 
-	AsIsFileFilter(final AsIsFileService getAnyFile) {
+	AsIsFileFilter(AsIsFileService getAnyFile) {
 		this.asIs = getAnyFile;
 	}
 
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/FileSender.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/FileSender.java
index 0d935fc..05510a0 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/FileSender.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/FileSender.java
@@ -84,7 +84,7 @@
 
 	private long end;
 
-	FileSender(final File path) throws FileNotFoundException {
+	FileSender(File path) throws FileNotFoundException {
 		this.path = path;
 		this.source = new RandomAccessFile(path, "r");
 
@@ -217,7 +217,7 @@
 		return true;
 	}
 
-	private static Enumeration<String> getRange(final HttpServletRequest req) {
+	private static Enumeration<String> getRange(HttpServletRequest req) {
 		return req.getHeaders(HDR_RANGE);
 	}
 }
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitServlet.java
index ee23677..d0ea7b6 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/GitServlet.java
@@ -183,7 +183,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void init(final ServletConfig config) throws ServletException {
+	public void init(ServletConfig config) throws ServletException {
 		gitFilter.init(new FilterConfig() {
 			@Override
 			public String getFilterName() {
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoPacksServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoPacksServlet.java
index 830e061..52aaf51 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoPacksServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoPacksServlet.java
@@ -67,7 +67,7 @@
 		sendPlainText(packList(req), req, rsp);
 	}
 
-	private static String packList(final HttpServletRequest req) {
+	private static String packList(HttpServletRequest req) {
 		final StringBuilder out = new StringBuilder();
 		final ObjectDatabase db = getRepository(req).getObjectDatabase();
 		if (db instanceof ObjectDirectory) {
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java
index 4f70cf7..0f4633b 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/InfoRefsServlet.java
@@ -44,18 +44,15 @@
 package org.eclipse.jgit.http.server;
 
 import static org.eclipse.jgit.http.server.ServletUtils.getRepository;
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
 
 import java.io.IOException;
 import java.io.OutputStreamWriter;
-import java.util.Map;
 
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.eclipse.jgit.lib.Constants;
-import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.transport.RefAdvertiser;
 import org.eclipse.jgit.util.HttpSupport;
@@ -79,7 +76,7 @@
 				Constants.CHARSET)) {
 			final RefAdvertiser adv = new RefAdvertiser() {
 				@Override
-				protected void writeOne(final CharSequence line)
+				protected void writeOne(CharSequence line)
 						throws IOException {
 					// Whoever decided that info/refs should use a different
 					// delimiter than the native git:// protocol shouldn't
@@ -94,10 +91,7 @@
 			};
 			adv.init(db);
 			adv.setDerefTags(true);
-
-			Map<String, Ref> refs = db.getRefDatabase().getRefs(ALL);
-			refs.remove(Constants.HEAD);
-			adv.send(refs);
+			adv.send(db.getRefDatabase().getRefsByPrefix(Constants.R_REFS));
 		}
 	}
 }
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/IsLocalFilter.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/IsLocalFilter.java
index b0b831f..b379983 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/IsLocalFilter.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/IsLocalFilter.java
@@ -88,7 +88,7 @@
 			((HttpServletResponse) response).sendError(SC_FORBIDDEN);
 	}
 
-	private static boolean isLocal(final Repository db) {
+	private static boolean isLocal(Repository db) {
 		return db.getObjectDatabase() instanceof ObjectDirectory;
 	}
 }
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ObjectFileServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ObjectFileServlet.java
index 50dc68f..62f075c 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ObjectFileServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ObjectFileServlet.java
@@ -75,7 +75,7 @@
 		}
 
 		@Override
-		String etag(final FileSender sender) throws IOException {
+		String etag(FileSender sender) throws IOException {
 			return Long.toHexString(sender.getLastModified());
 		}
 	}
@@ -88,7 +88,7 @@
 		}
 
 		@Override
-		String etag(final FileSender sender) throws IOException {
+		String etag(FileSender sender) throws IOException {
 			return sender.getTailChecksum();
 		}
 	}
@@ -111,7 +111,7 @@
 
 	private final String contentType;
 
-	ObjectFileServlet(final String contentType) {
+	ObjectFileServlet(String contentType) {
 		this.contentType = contentType;
 	}
 
@@ -170,7 +170,7 @@
 		}
 	}
 
-	private static File objects(final HttpServletRequest req) {
+	private static File objects(HttpServletRequest req) {
 		final Repository db = getRepository(req);
 		return ((ObjectDirectory) db.getObjectDatabase()).getDirectory();
 	}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/RepositoryFilter.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/RepositoryFilter.java
index c89a5d7..020be4f 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/RepositoryFilter.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/RepositoryFilter.java
@@ -100,13 +100,13 @@
 	 *            {@link org.eclipse.jgit.lib.Repository} instance for the
 	 *            current web request.
 	 */
-	public RepositoryFilter(final RepositoryResolver<HttpServletRequest> resolver) {
+	public RepositoryFilter(RepositoryResolver<HttpServletRequest> resolver) {
 		this.resolver = resolver;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void init(final FilterConfig config) throws ServletException {
+	public void init(FilterConfig config) throws ServletException {
 		context = config.getServletContext();
 	}
 
@@ -140,9 +140,9 @@
 			return;
 		}
 
-		final Repository db;
-		try {
-			db = resolver.open(req, name);
+		try (Repository db = resolver.open(req, name)) {
+			request.setAttribute(ATTRIBUTE_REPOSITORY, db);
+			chain.doFilter(request, response);
 		} catch (RepositoryNotFoundException e) {
 			sendError(req, res, SC_NOT_FOUND);
 			return;
@@ -155,13 +155,8 @@
 		} catch (ServiceMayNotContinueException e) {
 			sendError(req, res, e.getStatusCode(), e.getMessage());
 			return;
-		}
-		try {
-			request.setAttribute(ATTRIBUTE_REPOSITORY, db);
-			chain.doFilter(request, response);
 		} finally {
 			request.removeAttribute(ATTRIBUTE_REPOSITORY);
-			db.close();
 		}
 	}
 }
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ServletUtils.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ServletUtils.java
index f1ff547..9601c8c 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ServletUtils.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/ServletUtils.java
@@ -90,7 +90,7 @@
 	 *             the filter runs before the servlet.
 	 * @see #ATTRIBUTE_REPOSITORY
 	 */
-	public static Repository getRepository(final ServletRequest req) {
+	public static Repository getRepository(ServletRequest req) {
 		Repository db = (Repository) req.getAttribute(ATTRIBUTE_REPOSITORY);
 		if (db == null)
 			throw new IllegalStateException(HttpServerText.get().expectedRepositoryAttribute);
@@ -110,7 +110,7 @@
 	 * @throws IOException
 	 *             if an input or output exception occurred.
 	 */
-	public static InputStream getInputStream(final HttpServletRequest req)
+	public static InputStream getInputStream(HttpServletRequest req)
 			throws IOException {
 		InputStream in = req.getInputStream();
 		final String enc = req.getHeader(HDR_CONTENT_ENCODING);
@@ -220,12 +220,9 @@
 	public static void send(byte[] content, final HttpServletRequest req,
 			final HttpServletResponse rsp) throws IOException {
 		content = sendInit(content, req, rsp);
-		final OutputStream out = rsp.getOutputStream();
-		try {
+		try (OutputStream out = rsp.getOutputStream()) {
 			out.write(content);
 			out.flush();
-		} finally {
-			out.close();
 		}
 	}
 
@@ -241,7 +238,7 @@
 		return content;
 	}
 
-	static boolean acceptsGzipEncoding(final HttpServletRequest req) {
+	static boolean acceptsGzipEncoding(HttpServletRequest req) {
 		return acceptsGzipEncoding(req.getHeader(HDR_ACCEPT_ENCODING));
 	}
 
@@ -261,7 +258,7 @@
 		return false;
 	}
 
-	private static byte[] compress(final byte[] raw) throws IOException {
+	private static byte[] compress(byte[] raw) throws IOException {
 		final int maxLen = raw.length + 32;
 		final ByteArrayOutputStream out = new ByteArrayOutputStream(maxLen);
 		final GZIPOutputStream gz = new GZIPOutputStream(out);
@@ -271,7 +268,7 @@
 		return out.toByteArray();
 	}
 
-	private static String etag(final byte[] content) {
+	private static String etag(byte[] content) {
 		final MessageDigest md = Constants.newMessageDigest();
 		md.update(content);
 		return ObjectId.fromRaw(md.digest()).getName();
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartOutputStream.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartOutputStream.java
index 4eb94a3..ad5e8d4 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartOutputStream.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartOutputStream.java
@@ -110,11 +110,8 @@
 			if (256 < out.length() && acceptsGzipEncoding(req)) {
 				TemporaryBuffer gzbuf = new TemporaryBuffer.Heap(LIMIT);
 				try {
-					GZIPOutputStream gzip = new GZIPOutputStream(gzbuf);
-					try {
+					try (GZIPOutputStream gzip = new GZIPOutputStream(gzbuf)) {
 						out.writeTo(gzip, null);
-					} finally {
-						gzip.close();
 					}
 					if (gzbuf.length() < out.length()) {
 						out = gzbuf;
@@ -131,12 +128,9 @@
 			// hardcoded LIMIT constant above assures us we wouldn't store
 			// more than 2 GiB of content in memory.
 			rsp.setContentLength((int) out.length());
-			final OutputStream os = rsp.getOutputStream();
-			try {
+			try (OutputStream os = rsp.getOutputStream()) {
 				out.writeTo(os, null);
 				os.flush();
-			} finally {
-				os.close();
 			}
 		}
 	}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartServiceInfoRefs.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartServiceInfoRefs.java
index 6417877..195dff9 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartServiceInfoRefs.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/SmartServiceInfoRefs.java
@@ -75,7 +75,7 @@
 
 	private final Filter[] filters;
 
-	SmartServiceInfoRefs(final String service, final List<Filter> filters) {
+	SmartServiceInfoRefs(String service, List<Filter> filters) {
 		this.svc = service;
 		this.filters = filters.toArray(new Filter[filters.size()]);
 	}
@@ -133,9 +133,7 @@
 			res.setContentType(infoRefsResultType(svc));
 
 			final PacketLineOut out = new PacketLineOut(buf);
-			out.writeString("# service=" + svc + "\n");
-			out.end();
-			advertise(req, new PacketLineOutRefAdvertiser(out));
+			respond(req, out, svc);
 			buf.close();
 		} catch (ServiceNotAuthorizedException e) {
 			res.sendError(SC_UNAUTHORIZED, e.getMessage());
@@ -178,6 +176,37 @@
 			PacketLineOutRefAdvertiser pck) throws IOException,
 			ServiceNotEnabledException, ServiceNotAuthorizedException;
 
+	/**
+	 * Writes the appropriate response to an info/refs request received by
+	 * a smart service. In protocol v0, this starts with "#
+	 * service=serviceName" followed by a flush packet, but this is not
+	 * necessarily the case in other protocol versions.
+	 * <p>
+	 * The default implementation writes "# service=serviceName" and a
+	 * flush packet, then calls {@link #advertise}. Subclasses should
+	 * override this method if they support protocol versions other than
+	 * protocol v0.
+	 *
+	 * @param req
+	 *            request
+	 * @param pckOut
+	 *            destination of response
+	 * @param serviceName
+	 *            service name to be written out in protocol v0; may or may
+	 *            not be used in other versions
+	 * @throws IOException
+	 * @throws ServiceNotEnabledException
+	 * @throws ServiceNotAuthorizedException
+	 */
+	protected void respond(HttpServletRequest req,
+			PacketLineOut pckOut, String serviceName)
+			throws IOException, ServiceNotEnabledException,
+			ServiceNotAuthorizedException {
+		pckOut.writeString("# service=" + svc + '\n'); //$NON-NLS-1$
+		pckOut.end();
+		advertise(req, new PacketLineOutRefAdvertiser(pckOut));
+	}
+
 	private class Chain implements FilterChain {
 		private int filterIdx;
 
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/TextFileServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/TextFileServlet.java
index 00851cf..b2466d0 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/TextFileServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/TextFileServlet.java
@@ -64,7 +64,7 @@
 
 	private final String fileName;
 
-	TextFileServlet(final String name) {
+	TextFileServlet(String name) {
 		this.fileName = name;
 	}
 
@@ -80,7 +80,7 @@
 		}
 	}
 
-	private byte[] read(final HttpServletRequest req) throws IOException {
+	private byte[] read(HttpServletRequest req) throws IOException {
 		final File gitdir = getRepository(req).getDirectory();
 		if (gitdir == null)
 			throw new FileNotFoundException(fileName);
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/UploadPackServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/UploadPackServlet.java
index 3e9c1fe..ca6b749 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/UploadPackServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/UploadPackServlet.java
@@ -76,6 +76,7 @@
 
 import org.eclipse.jgit.lib.Repository;
 import org.eclipse.jgit.transport.InternalHttpServerGlue;
+import org.eclipse.jgit.transport.PacketLineOut;
 import org.eclipse.jgit.transport.RefAdvertiser.PacketLineOutRefAdvertiser;
 import org.eclipse.jgit.transport.ServiceMayNotContinueException;
 import org.eclipse.jgit.transport.UploadPack;
@@ -117,6 +118,25 @@
 				up.setBiDirectionalPipe(false);
 				up.sendAdvertisedRefs(pck);
 			} finally {
+				// TODO(jonathantanmy): Move responsibility for closing the
+				// RevWalk to UploadPack, either by making it AutoCloseable
+				// or by making sendAdvertisedRefs clean up after itself.
+				up.getRevWalk().close();
+			}
+		}
+
+		@Override
+		protected void respond(HttpServletRequest req,
+				PacketLineOut pckOut, String serviceName) throws IOException,
+				ServiceNotEnabledException, ServiceNotAuthorizedException {
+			UploadPack up = (UploadPack) req.getAttribute(ATTRIBUTE_HANDLER);
+			try {
+				up.setBiDirectionalPipe(false);
+				up.sendAdvertisedRefs(new PacketLineOutRefAdvertiser(pckOut), serviceName);
+			} finally {
+				// TODO(jonathantanmy): Move responsibility for closing the
+				// RevWalk to UploadPack, either by making it AutoCloseable
+				// or by making sendAdvertisedRefs clean up after itself.
 				up.getRevWalk().close();
 			}
 		}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/ErrorServlet.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/ErrorServlet.java
index 57fddda..6f27b28 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/ErrorServlet.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/ErrorServlet.java
@@ -64,7 +64,7 @@
 	 * @param status
 	 *            the HTTP status code to always send.
 	 */
-	public ErrorServlet(final int status) {
+	public ErrorServlet(int status) {
 		this.status = status;
 	}
 
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexGroupFilter.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexGroupFilter.java
index a3dc6c3..f26ebc3 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexGroupFilter.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexGroupFilter.java
@@ -75,7 +75,7 @@
 	 * @param groupIdx
 	 *            capture group number, 1 through the number of groups.
 	 */
-	public RegexGroupFilter(final int groupIdx) {
+	public RegexGroupFilter(int groupIdx) {
 		if (groupIdx < 1)
 			throw new IllegalArgumentException(MessageFormat.format(
 					HttpServerText.get().invalidIndex, valueOf(groupIdx)));
@@ -108,7 +108,7 @@
 					valueOf(groupIdx + 1)));
 	}
 
-	private static WrappedRequest[] groupsFor(final ServletRequest r) {
+	private static WrappedRequest[] groupsFor(ServletRequest r) {
 		return (WrappedRequest[]) r.getAttribute(MetaFilter.REGEX_GROUPS);
 	}
 }
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexPipeline.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexPipeline.java
index bf2d6db..0108105 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexPipeline.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/RegexPipeline.java
@@ -87,11 +87,11 @@
 	static class Binder extends ServletBinderImpl {
 		private final Pattern pattern;
 
-		Binder(final String p) {
+		Binder(String p) {
 			pattern = Pattern.compile(p);
 		}
 
-		Binder(final Pattern p) {
+		Binder(Pattern p) {
 			pattern = p;
 		}
 
@@ -110,7 +110,7 @@
 	}
 
 	@Override
-	boolean match(final HttpServletRequest req) {
+	boolean match(HttpServletRequest req) {
 		final String pathInfo = req.getPathInfo();
 		return pathInfo != null && pattern.matcher(pathInfo).matches();
 	}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/SuffixPipeline.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/SuffixPipeline.java
index 6742c9f..4fd99c6 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/SuffixPipeline.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/SuffixPipeline.java
@@ -67,7 +67,7 @@
 	static class Binder extends ServletBinderImpl {
 		private final String suffix;
 
-		Binder(final String suffix) {
+		Binder(String suffix) {
 			this.suffix = suffix;
 		}
 
@@ -89,7 +89,7 @@
 	}
 
 	@Override
-	boolean match(final HttpServletRequest req) {
+	boolean match(HttpServletRequest req) {
 		final String pathInfo = req.getPathInfo();
 		return pathInfo != null && pathInfo.endsWith(suffix);
 	}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/UrlPipeline.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/UrlPipeline.java
index 56e4e22..c02399a 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/UrlPipeline.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/glue/UrlPipeline.java
@@ -79,7 +79,7 @@
 	/** Instance that must generate the response; never null. */
 	private final HttpServlet servlet;
 
-	UrlPipeline(final Filter[] filters, final HttpServlet servlet) {
+	UrlPipeline(Filter[] filters, HttpServlet servlet) {
 		this.filters = filters;
 		this.servlet = servlet;
 	}
@@ -99,7 +99,7 @@
 	 * @throws ServletException
 	 *             a filter or servlet is unable to initialize.
 	 */
-	void init(final ServletContext context, final Set<Object> inited)
+	void init(ServletContext context, Set<Object> inited)
 			throws ServletException {
 		for (Filter ref : filters)
 			initFilter(ref, context, inited);
@@ -165,7 +165,7 @@
 	 *            destroyed a second time. Filters and servlets that are first
 	 *            destroyed by this pipeline will be added to this set.
 	 */
-	void destroy(final Set<Object> destroyed) {
+	void destroy(Set<Object> destroyed) {
 		for (Filter ref : filters)
 			destroyFilter(ref, destroyed);
 		destroyServlet(servlet, destroyed);
@@ -230,7 +230,7 @@
 
 		private int filterIdx;
 
-		Chain(final Filter[] filters, final HttpServlet servlet) {
+		Chain(Filter[] filters, HttpServlet servlet) {
 			this.filters = filters;
 			this.servlet = servlet;
 		}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/AsIsFileService.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/AsIsFileService.java
index 11ad5e0..9a928b1 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/AsIsFileService.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/AsIsFileService.java
@@ -73,7 +73,7 @@
 	private static class ServiceConfig {
 		final boolean enabled;
 
-		ServiceConfig(final Config cfg) {
+		ServiceConfig(Config cfg) {
 			enabled = cfg.getBoolean("http", "getanyfile", true);
 		}
 	}
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultReceivePackFactory.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultReceivePackFactory.java
index 95eb8d5..06a8f5e 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultReceivePackFactory.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultReceivePackFactory.java
@@ -74,7 +74,7 @@
 
 		final boolean enabled;
 
-		ServiceConfig(final Config cfg) {
+		ServiceConfig(Config cfg) {
 			set = cfg.getString("http", null, "receivepack") != null;
 			enabled = cfg.getBoolean("http", "receivepack", false);
 		}
@@ -82,7 +82,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public ReceivePack create(final HttpServletRequest req, final Repository db)
+	public ReceivePack create(HttpServletRequest req, Repository db)
 			throws ServiceNotEnabledException, ServiceNotAuthorizedException {
 		final ServiceConfig cfg = db.getConfig().get(ServiceConfig::new);
 		String user = req.getRemoteUser();
diff --git a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultUploadPackFactory.java b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultUploadPackFactory.java
index f5afa1e..a69fab0 100644
--- a/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultUploadPackFactory.java
+++ b/org.eclipse.jgit.http.server/src/org/eclipse/jgit/http/server/resolver/DefaultUploadPackFactory.java
@@ -43,6 +43,8 @@
 
 package org.eclipse.jgit.http.server.resolver;
 
+import java.util.Arrays;
+
 import javax.servlet.http.HttpServletRequest;
 
 import org.eclipse.jgit.lib.Config;
@@ -64,18 +66,25 @@
 	private static class ServiceConfig {
 		final boolean enabled;
 
-		ServiceConfig(final Config cfg) {
+		ServiceConfig(Config cfg) {
 			enabled = cfg.getBoolean("http", "uploadpack", true);
 		}
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public UploadPack create(final HttpServletRequest req, final Repository db)
+	public UploadPack create(HttpServletRequest req, Repository db)
 			throws ServiceNotEnabledException, ServiceNotAuthorizedException {
-		if (db.getConfig().get(ServiceConfig::new).enabled)
-			return new UploadPack(db);
-		else
+		if (db.getConfig().get(ServiceConfig::new).enabled) {
+			UploadPack up = new UploadPack(db);
+			String header = req.getHeader("Git-Protocol"); //$NON-NLS-1$
+			if (header != null) {
+				String[] params = header.split(":"); //$NON-NLS-1$
+				up.setExtraParameters(Arrays.asList(params));
+			}
+			return up;
+		} else {
 			throw new ServiceNotEnabledException();
+		}
 	}
 }
diff --git a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
index 6169d0c..fed632d 100644
--- a/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.http.test/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.http.test
 Bundle-SymbolicName: org.eclipse.jgit.http.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
@@ -25,25 +25,26 @@
  org.eclipse.jetty.util.log;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.security;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.thread;version="[9.4.5,10.0.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.http.server;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.http.server.glue;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.http.server.resolver;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.dfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.reftable;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http.apache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.resolver;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.http.server;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.http.server.glue;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.http.server.resolver;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.dfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.reftable;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http.apache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.resolver;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.hamcrest;version="[1.1.0,2.0.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.rules;version="[4.12,5.0.0)",
diff --git a/org.eclipse.jgit.http.test/pom.xml b/org.eclipse.jgit.http.test/pom.xml
index 16795b5..87e2f4c 100644
--- a/org.eclipse.jgit.http.test/pom.xml
+++ b/org.eclipse.jgit.http.test/pom.xml
@@ -51,7 +51,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.http.test</artifactId>
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/AsIsServiceTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/AsIsServiceTest.java
index e94a792..298bf21 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/AsIsServiceTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/AsIsServiceTest.java
@@ -133,7 +133,7 @@
 
 		private final String host;
 
-		R(final String user, final String host) {
+		R(String user, String host) {
 			super(new Request(null, null) /* can't pass null, sigh */);
 			this.user = user;
 			this.host = host;
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultReceivePackFactoryTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultReceivePackFactoryTest.java
index b24e2df..ade1e1d 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultReceivePackFactoryTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultReceivePackFactoryTest.java
@@ -205,7 +205,7 @@
 
 		private final String host;
 
-		R(final String user, final String host) {
+		R(String user, String host) {
 			super(new Request(null, null) /* can't pass null, sigh */);
 			this.user = user;
 			this.host = host;
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultUploadPackFactoryTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultUploadPackFactoryTest.java
index ce24d64..268c281 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultUploadPackFactoryTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/DefaultUploadPackFactoryTest.java
@@ -161,7 +161,7 @@
 
 		private final String host;
 
-		R(final String user, final String host) {
+		R(String user, String host) {
 			super(new Request(null, null) /* can't pass null, sigh */);
 			this.user = user;
 			this.host = host;
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
index 6dbe0e3..ef059bf 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/HttpClientTests.java
@@ -43,15 +43,20 @@
 
 package org.eclipse.jgit.http.test;
 
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.theInstance;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.io.File;
+import java.io.OutputStream;
 import java.net.URI;
+import java.net.URL;
 import java.util.List;
 
 import javax.servlet.http.HttpServletRequest;
@@ -75,9 +80,13 @@
 import org.eclipse.jgit.lib.StoredConfig;
 import org.eclipse.jgit.revwalk.RevCommit;
 import org.eclipse.jgit.transport.FetchConnection;
+import org.eclipse.jgit.transport.PacketLineIn;
+import org.eclipse.jgit.transport.PacketLineOut;
 import org.eclipse.jgit.transport.Transport;
 import org.eclipse.jgit.transport.URIish;
 import org.eclipse.jgit.transport.UsernamePasswordCredentialsProvider;
+import org.eclipse.jgit.transport.http.HttpConnection;
+import org.eclipse.jgit.transport.http.JDKHttpConnectionFactory;
 import org.eclipse.jgit.transport.resolver.RepositoryResolver;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 import org.junit.Before;
@@ -118,7 +127,7 @@
 		smartAuthBasicURI = toURIish(sBasic, srcName);
 	}
 
-	private ServletContextHandler dumb(final String path) {
+	private ServletContextHandler dumb(String path) {
 		final File srcGit = remoteRepository.getRepository().getDirectory();
 		final URI base = srcGit.getParentFile().toURI();
 
@@ -130,7 +139,7 @@
 		return ctx;
 	}
 
-	private ServletContextHandler smart(final String path) {
+	private ServletContextHandler smart(String path) {
 		GitServlet gs = new GitServlet();
 		gs.setRepositoryResolver(new RepositoryResolver<HttpServletRequest>() {
 			@Override
@@ -151,7 +160,7 @@
 		return ctx;
 	}
 
-	private static String nameOf(final Repository db) {
+	private static String nameOf(Repository db) {
 		return db.getDirectory().getName();
 	}
 
@@ -345,4 +354,82 @@
 			assertNotNull(head);
 		}
 	}
+
+	@Test
+	public void testHttpClientWantsV2ButServerNotConfigured() throws Exception {
+		JDKHttpConnectionFactory f = new JDKHttpConnectionFactory();
+		String url = smartAuthNoneURI.toString() + "/info/refs?service=git-upload-pack";
+		HttpConnection c = f.create(new URL(url));
+		c.setRequestMethod("GET");
+		c.setRequestProperty("Git-Protocol", "version=2");
+		c.connect();
+		assertThat(c.getResponseCode(), is(200));
+
+		PacketLineIn pckIn = new PacketLineIn(c.getInputStream());
+
+		// Check that we get a v0 response.
+		assertThat(pckIn.readString(), is("# service=git-upload-pack"));
+		assertThat(pckIn.readString(), theInstance(PacketLineIn.END));
+		assertTrue(pckIn.readString().matches("[0-9a-f]{40} HEAD.*"));
+	}
+
+	@Test
+	public void testV2HttpFirstResponse() throws Exception {
+		remoteRepository.getRepository().getConfig().setInt(
+				"protocol", null, "version", 2);
+
+		JDKHttpConnectionFactory f = new JDKHttpConnectionFactory();
+		String url = smartAuthNoneURI.toString() + "/info/refs?service=git-upload-pack";
+		HttpConnection c = f.create(new URL(url));
+		c.setRequestMethod("GET");
+		c.setRequestProperty("Git-Protocol", "version=2");
+		c.connect();
+		assertThat(c.getResponseCode(), is(200));
+
+		PacketLineIn pckIn = new PacketLineIn(c.getInputStream());
+		assertThat(pckIn.readString(), is("version 2"));
+
+		// What remains are capabilities - ensure that all of them are
+		// non-empty strings, and that we see END at the end.
+		String s;
+		while ((s = pckIn.readString()) != PacketLineIn.END) {
+			assertTrue(!s.isEmpty());
+		}
+	}
+
+	@Test
+	public void testV2HttpSubsequentResponse() throws Exception {
+		remoteRepository.getRepository().getConfig().setInt(
+				"protocol", null, "version", 2);
+
+		JDKHttpConnectionFactory f = new JDKHttpConnectionFactory();
+		String url = smartAuthNoneURI.toString() + "/git-upload-pack";
+		HttpConnection c = f.create(new URL(url));
+		c.setRequestMethod("POST");
+		c.setRequestProperty("Content-Type", "application/x-git-upload-pack-request");
+		c.setRequestProperty("Git-Protocol", "version=2");
+		c.setDoOutput(true);
+		c.connect();
+
+		// Test ls-refs to verify that everything is connected
+		// properly. Tests for other commands go in
+		// UploadPackTest.java.
+
+		OutputStream os = c.getOutputStream();
+		PacketLineOut pckOut = new PacketLineOut(os);
+		pckOut.writeString("command=ls-refs");
+		pckOut.writeDelim();
+		pckOut.end();
+		os.close();
+
+		PacketLineIn pckIn = new PacketLineIn(c.getInputStream());
+
+		// Just check that we get what looks like a ref advertisement.
+		String s;
+		while ((s = pckIn.readString()) != PacketLineIn.END) {
+			assertTrue(s.matches("[0-9a-f]{40} [A-Za-z/]*"));
+		}
+
+		assertThat(c.getResponseCode(), is(200));
+	}
 }
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/ProtocolErrorTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/ProtocolErrorTest.java
index 87d0bad..a1baae3 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/ProtocolErrorTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/ProtocolErrorTest.java
@@ -149,19 +149,15 @@
 			c.setRequestProperty("Content-Type",
 					GitSmartHttpTools.RECEIVE_PACK_REQUEST_TYPE);
 			c.setFixedLengthStreamingMode(reqbin.length);
-			OutputStream out = c.getOutputStream();
-			try {
+			try (OutputStream out = c.getOutputStream()) {
 				out.write(reqbin);
-			} finally {
-				out.close();
 			}
 
 			assertEquals(200, c.getResponseCode());
 			assertEquals(GitSmartHttpTools.RECEIVE_PACK_RESULT_TYPE,
 					c.getContentType());
 
-			InputStream rawin = c.getInputStream();
-			try {
+			try (InputStream rawin = c.getInputStream()) {
 				PacketLineIn pckin = new PacketLineIn(rawin);
 				assertEquals("unpack error "
 						+ JGitText.get().packfileIsTruncatedNoParam,
@@ -169,8 +165,6 @@
 				assertEquals("ng refs/objects/A n/a (unpacker error)",
 						pckin.readString());
 				assertSame(PacketLineIn.END, pckin.readString());
-			} finally {
-				rawin.close();
 			}
 		} finally {
 			c.disconnect();
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SetAdditionalHeadersTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SetAdditionalHeadersTest.java
index ef8daec..fbc54f3 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SetAdditionalHeadersTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SetAdditionalHeadersTest.java
@@ -107,8 +107,7 @@
 
 		assertEquals("http", remoteURI.getScheme());
 
-		Transport t = Transport.open(dst, remoteURI);
-		try {
+		try (Transport t = Transport.open(dst, remoteURI)) {
 			assertTrue("isa TransportHttp", t instanceof TransportHttp);
 			assertTrue("isa HttpTransport", t instanceof HttpTransport);
 
@@ -117,8 +116,6 @@
 			headers.put("AnotherKey", "someValue");
 			((TransportHttp) t).setAdditionalHeaders(headers);
 			t.openFetch();
-		} finally {
-			t.close();
 		}
 
 		List<AccessEvent> requests = getRequests();
diff --git a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
index 31832e7..65210d1 100644
--- a/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
+++ b/org.eclipse.jgit.http.test/tst/org/eclipse/jgit/http/test/SmartClientSmartServerTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.http.test;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_ENCODING;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_LENGTH;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_TYPE;
@@ -298,10 +298,10 @@
 					throws IOException, ServletException {
 				final HttpServletResponse r = (HttpServletResponse) response;
 				r.setContentType("text/plain");
-				r.setCharacterEncoding("UTF-8");
-				PrintWriter w = r.getWriter();
-				w.print("OK");
-				w.close();
+				r.setCharacterEncoding(Constants.CHARACTER_ENCODING);
+				try (PrintWriter w = r.getWriter()) {
+					w.print("OK");
+				}
 			}
 
 			@Override
@@ -429,11 +429,8 @@
 			assertTrue("isa TransportHttp", t instanceof TransportHttp);
 			assertTrue("isa HttpTransport", t instanceof HttpTransport);
 
-			FetchConnection c = t.openFetch();
-			try {
+			try (FetchConnection c = t.openFetch()) {
 				map = c.getRefsMap();
-			} finally {
-				c.close();
 			}
 		}
 
@@ -1166,7 +1163,7 @@
 	public void testInvalidWant() throws Exception {
 		@SuppressWarnings("resource")
 		ObjectId id = new ObjectInserter.Formatter().idFor(Constants.OBJ_BLOB,
-				"testInvalidWant".getBytes(UTF_8));
+				"testInvalidWant".getBytes(CHARSET));
 
 		Repository dst = createBareRepository();
 		try (Transport t = Transport.open(dst, remoteURI);
diff --git a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
index 316d486..a68d152 100644
--- a/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit.http/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.junit.http
 Bundle-SymbolicName: org.eclipse.jgit.junit.http
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
@@ -22,16 +22,16 @@
  org.eclipse.jetty.util.log;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.security;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.ssl;version="[9.4.5,10.0.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.http.server;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.resolver;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.http.server;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.resolver;version="[5.0.4,5.1.0)",
  org.junit;version="[4.12,5.0.0)"
-Export-Package: org.eclipse.jgit.junit.http;version="4.11.10";
+Export-Package: org.eclipse.jgit.junit.http;version="5.0.4";
   uses:="org.eclipse.jgit.transport,
    org.eclipse.jgit.junit,
    javax.servlet.http,
diff --git a/org.eclipse.jgit.junit.http/pom.xml b/org.eclipse.jgit.junit.http/pom.xml
index eb84dc6..eb7d02f 100644
--- a/org.eclipse.jgit.junit.http/pom.xml
+++ b/org.eclipse.jgit.junit.http/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.junit.http</artifactId>
diff --git a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/AccessEvent.java b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/AccessEvent.java
index 01c4360..82476de 100644
--- a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/AccessEvent.java
+++ b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/AccessEvent.java
@@ -67,7 +67,7 @@
 
 	private final Map<String, String> responseHeaders;
 
-	AccessEvent(final Request req, final Response rsp) {
+	AccessEvent(Request req, Response rsp) {
 		method = req.getMethod();
 		uri = req.getRequestURI();
 		requestHeaders = cloneHeaders(req);
@@ -77,7 +77,7 @@
 		responseHeaders = cloneHeaders(rsp);
 	}
 
-	private static Map<String, String> cloneHeaders(final Request req) {
+	private static Map<String, String> cloneHeaders(Request req) {
 		Map<String, String> r = new TreeMap<>();
 		Enumeration hn = req.getHeaderNames();
 		while (hn.hasMoreElements()) {
@@ -89,7 +89,7 @@
 		return Collections.unmodifiableMap(r);
 	}
 
-	private static Map<String, String> cloneHeaders(final Response rsp) {
+	private static Map<String, String> cloneHeaders(Response rsp) {
 		Map<String, String> r = new TreeMap<>();
 		Enumeration<String> hn = rsp.getHttpFields().getFieldNames();
 		while (hn.hasMoreElements()) {
diff --git a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
index fed063a..a714eb0 100644
--- a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
+++ b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/RecordingLogger.java
@@ -107,7 +107,7 @@
 	 *
 	 * @param name
 	 */
-	public RecordingLogger(final String name) {
+	public RecordingLogger(String name) {
 		this.name = name;
 	}
 
diff --git a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/SimpleHttpServer.java b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/SimpleHttpServer.java
index c5576f9..245b510 100644
--- a/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/SimpleHttpServer.java
+++ b/org.eclipse.jgit.junit.http/src/org/eclipse/jgit/junit/http/SimpleHttpServer.java
@@ -134,7 +134,7 @@
 		return secureUri;
 	}
 
-	private ServletContextHandler smart(final String path) {
+	private ServletContextHandler smart(String path) {
 		GitServlet gs = new GitServlet();
 		gs.setRepositoryResolver(new RepositoryResolver<HttpServletRequest>() {
 			@Override
@@ -154,7 +154,7 @@
 		return ctx;
 	}
 
-	private static String nameOf(final Repository db) {
+	private static String nameOf(Repository db) {
 		return db.getDirectory().getName();
 	}
 
diff --git a/org.eclipse.jgit.junit/.settings/.api_filters b/org.eclipse.jgit.junit/.settings/.api_filters
new file mode 100644
index 0000000..e5de787
--- /dev/null
+++ b/org.eclipse.jgit.junit/.settings/.api_filters
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit.junit" version="2">
+    <resource path="src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java" type="org.eclipse.jgit.junit.LocalDiskRepositoryTestCase">
+        <filter comment="Don't care about non-API in tests." id="643842064">
+            <message_arguments>
+                <message_argument value="FileRepository"/>
+                <message_argument value="LocalDiskRepositoryTestCase"/>
+                <message_argument value="createBareRepository()"/>
+            </message_arguments>
+        </filter>
+        <filter comment="Don't care about non-API in tests." id="643842064">
+            <message_arguments>
+                <message_argument value="FileRepository"/>
+                <message_argument value="LocalDiskRepositoryTestCase"/>
+                <message_argument value="createRepository(boolean, boolean)"/>
+            </message_arguments>
+        </filter>
+        <filter comment="Don't care about non-API in tests." id="643842064">
+            <message_arguments>
+                <message_argument value="FileRepository"/>
+                <message_argument value="LocalDiskRepositoryTestCase"/>
+                <message_argument value="createWorkRepository()"/>
+            </message_arguments>
+        </filter>
+    </resource>
+    <resource path="src/org/eclipse/jgit/junit/RepositoryTestCase.java" type="org.eclipse.jgit.junit.RepositoryTestCase">
+        <filter comment="Don't care about non-API in tests." id="627060751">
+            <message_arguments>
+                <message_argument value="FileRepository"/>
+                <message_argument value="RepositoryTestCase"/>
+                <message_argument value="db"/>
+            </message_arguments>
+        </filter>
+    </resource>
+</component>
diff --git a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
index a8157c0..749f8fe 100644
--- a/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.junit/META-INF/MANIFEST.MF
@@ -3,31 +3,31 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.junit
 Bundle-SymbolicName: org.eclipse.jgit.junit
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Import-Package: org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.dircache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.merge;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.io;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.time;version="[4.11.10,4.12.0)",
+Import-Package: org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.dircache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.merge;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.io;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.time;version="[5.0.4,5.1.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.rules;version="[4.12,5.0.0)",
  org.junit.runner;version="[4.12,5.0.0)",
  org.junit.runners.model;version="[4.12,5.0.0)"
-Export-Package: org.eclipse.jgit.junit;version="4.11.10";
+Export-Package: org.eclipse.jgit.junit;version="5.0.4";
   uses:="org.eclipse.jgit.dircache,
    org.eclipse.jgit.lib,
    org.eclipse.jgit.revwalk,
@@ -36,4 +36,4 @@
    org.eclipse.jgit.util,
    org.eclipse.jgit.storage.file,
    org.eclipse.jgit.api",
- org.eclipse.jgit.junit.time;version="4.11.10"
+ org.eclipse.jgit.junit.time;version="5.0.4"
diff --git a/org.eclipse.jgit.junit/pom.xml b/org.eclipse.jgit.junit/pom.xml
index 417cafa..30ce0b3 100644
--- a/org.eclipse.jgit.junit/pom.xml
+++ b/org.eclipse.jgit.junit/pom.xml
@@ -52,7 +52,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.junit</artifactId>
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
index cef81a0..a102da1 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/JGitTestUtil.java
@@ -45,7 +45,7 @@
 
 package org.eclipse.jgit.junit;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -142,7 +142,7 @@
 	 * @param fileName
 	 * @return the test resource file
 	 */
-	public static File getTestResourceFile(final String fileName) {
+	public static File getTestResourceFile(String fileName) {
 		if (fileName == null || fileName.length() <= 0) {
 			return null;
 		}
@@ -242,11 +242,11 @@
 	 * @throws IOException
 	 *             the file could not be written.
 	 */
-	public static void write(final File f, final String body)
+	public static void write(File f, String body)
 			throws IOException {
 		FileUtils.mkdirs(f.getParentFile(), true);
 		try (Writer w = new OutputStreamWriter(new FileOutputStream(f),
-				UTF_8)) {
+				CHARSET)) {
 			w.write(body);
 		}
 	}
@@ -261,9 +261,9 @@
 	 * @throws IOException
 	 *             the file does not exist, or could not be read.
 	 */
-	public static String read(final File file) throws IOException {
+	public static String read(File file) throws IOException {
 		final byte[] body = IO.readFully(file);
-		return new String(body, 0, body.length, UTF_8);
+		return new String(body, 0, body.length, CHARSET);
 	}
 
 	/**
@@ -274,7 +274,7 @@
 	 * @return the content of the file
 	 * @throws IOException
 	 */
-	public static String read(final Repository db, final String name)
+	public static String read(Repository db, String name)
 			throws IOException {
 		File file = new File(db.getWorkTree(), name);
 		return read(file);
@@ -288,7 +288,7 @@
 	 *            name of the file
 	 * @return {@code true} if the file exists
 	 */
-	public static boolean check(final Repository db, final String name) {
+	public static boolean check(Repository db, String name) {
 		File file = new File(db.getWorkTree(), name);
 		return file.exists();
 	}
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
index 568bc3b..6cdd0eb 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/LocalDiskRepositoryTestCase.java
@@ -45,7 +45,7 @@
 
 package org.eclipse.jgit.junit;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.fail;
 
@@ -225,7 +225,7 @@
 	 * @param dir
 	 *            the recursively directory to delete, if present.
 	 */
-	protected void recursiveDelete(final File dir) {
+	protected void recursiveDelete(File dir) {
 		recursiveDelete(dir, false, true);
 	}
 
@@ -352,7 +352,7 @@
 			if (0 != (includedOptions & CONTENT)) {
 				sb.append(", content:"
 						+ new String(repo.open(entry.getObjectId(),
-						Constants.OBJ_BLOB).getCachedBytes(), UTF_8));
+						Constants.OBJ_BLOB).getCachedBytes(), CHARSET));
 			}
 			if (0 != (includedOptions & ASSUME_UNCHANGED))
 				sb.append(", assume-unchanged:"
@@ -540,7 +540,7 @@
 	 * @throws IOException
 	 *             the file could not be written.
 	 */
-	protected File write(final String body) throws IOException {
+	protected File write(String body) throws IOException {
 		final File f = File.createTempFile("temp", "txt", tmp);
 		try {
 			write(f, body);
@@ -571,7 +571,7 @@
 	 * @throws IOException
 	 *             the file could not be written.
 	 */
-	protected void write(final File f, final String body) throws IOException {
+	protected void write(File f, String body) throws IOException {
 		JGitTestUtil.write(f, body);
 	}
 
@@ -583,11 +583,11 @@
 	 * @return the content of the file
 	 * @throws IOException
 	 */
-	protected String read(final File f) throws IOException {
+	protected String read(File f) throws IOException {
 		return JGitTestUtil.read(f);
 	}
 
-	private static String[] toEnvArray(final Map<String, String> env) {
+	private static String[] toEnvArray(Map<String, String> env) {
 		final String[] envp = new String[env.size()];
 		int i = 0;
 		for (Map.Entry<String, String> e : env.entrySet())
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
index 05d1522..d3d7d68 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/MockSystemReader.java
@@ -109,7 +109,7 @@
 		setCurrentPlatform();
 	}
 
-	private void init(final String n) {
+	private void init(String n) {
 		setProperty(n, n);
 	}
 
@@ -197,7 +197,7 @@
 	 *            number of seconds to add to the current time.
 	 * @since 4.2
 	 */
-	public void tick(final int secDelta) {
+	public void tick(int secDelta) {
 		now += secDelta * 1000L;
 	}
 
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
index afc2c44..e983e5d 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/RepositoryTestCase.java
@@ -46,7 +46,7 @@
 
 package org.eclipse.jgit.junit;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 
 import java.io.File;
@@ -92,22 +92,15 @@
 	 * @param dst
 	 * @throws IOException
 	 */
-	protected static void copyFile(final File src, final File dst)
+	protected static void copyFile(File src, File dst)
 			throws IOException {
-		final FileInputStream fis = new FileInputStream(src);
-		try {
-			final FileOutputStream fos = new FileOutputStream(dst);
-			try {
-				final byte[] buf = new byte[4096];
-				int r;
-				while ((r = fis.read(buf)) > 0) {
-					fos.write(buf, 0, r);
-				}
-			} finally {
-				fos.close();
+		try (FileInputStream fis = new FileInputStream(src);
+				FileOutputStream fos = new FileOutputStream(dst)) {
+			final byte[] buf = new byte[4096];
+			int r;
+			while ((r = fis.read(buf)) > 0) {
+				fos.write(buf, 0, r);
 			}
-		} finally {
-			fis.close();
 		}
 	}
 
@@ -119,7 +112,7 @@
 	 * @return the trash file
 	 * @throws IOException
 	 */
-	protected File writeTrashFile(final String name, final String data)
+	protected File writeTrashFile(String name, String data)
 			throws IOException {
 		return JGitTestUtil.writeTrashFile(db, name, data);
 	}
@@ -135,7 +128,7 @@
 	 * @throws Exception
 	 * @since 4.2
 	 */
-	protected Path writeLink(final String link, final String target)
+	protected Path writeLink(String link, String target)
 			throws Exception {
 		return JGitTestUtil.writeLink(db, link, target);
 	}
@@ -162,7 +155,7 @@
 	 * @return the file's content
 	 * @throws IOException
 	 */
-	protected String read(final String name) throws IOException {
+	protected String read(String name) throws IOException {
 		return JGitTestUtil.read(db, name);
 	}
 
@@ -173,7 +166,7 @@
 	 *            file name
 	 * @return if the file exists
 	 */
-	protected boolean check(final String name) {
+	protected boolean check(String name) {
 		return JGitTestUtil.check(db, name);
 	}
 
@@ -184,7 +177,7 @@
 	 *            file name
 	 * @throws IOException
 	 */
-	protected void deleteTrashFile(final String name) throws IOException {
+	protected void deleteTrashFile(String name) throws IOException {
 		JGitTestUtil.deleteTrashFile(db, name);
 	}
 
@@ -196,10 +189,10 @@
 	 *            expected content
 	 * @throws IOException
 	 */
-	protected static void checkFile(File f, final String checkData)
+	protected static void checkFile(File f, String checkData)
 			throws IOException {
 		try (Reader r = new InputStreamReader(new FileInputStream(f),
-				UTF_8)) {
+				CHARSET)) {
 			if (checkData.length() > 0) {
 				char[] data = new char[checkData.length()];
 				assertEquals(data.length, r.read(data));
@@ -293,10 +286,11 @@
 				dce.setFileMode(treeItr.getEntryFileMode());
 				dce.setLastModified(treeItr.getEntryLastModified());
 				dce.setLength((int) len);
-				FileInputStream in = new FileInputStream(
-						treeItr.getEntryFile());
-				dce.setObjectId(inserter.insert(Constants.OBJ_BLOB, len, in));
-				in.close();
+				try (FileInputStream in = new FileInputStream(
+						treeItr.getEntryFile())) {
+					dce.setObjectId(
+							inserter.insert(Constants.OBJ_BLOB, len, in));
+				}
 				builder.add(dce);
 				treeItr.next(1);
 			}
@@ -380,8 +374,9 @@
 			while (actTime <= startTime) {
 				Thread.sleep(sleepTime);
 				sleepTime *= 2;
-				FileOutputStream fos = new FileOutputStream(tmp);
-				fos.close();
+				try (FileOutputStream fos = new FileOutputStream(tmp)) {
+					// Do nothing
+				}
 				actTime = fs.lastModified(tmp);
 			}
 			return actTime;
@@ -505,7 +500,7 @@
 	 * @param mode
 	 * @return the DirCacheEntry
 	 */
-	protected DirCacheEntry createEntry(final String path, final FileMode mode) {
+	protected DirCacheEntry createEntry(String path, FileMode mode) {
 		return createEntry(path, mode, DirCacheEntry.STAGE_0, path);
 	}
 
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
index 41634e7..d23c0d3 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRepository.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.junit;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
@@ -244,7 +244,7 @@
 	 * @param secDelta
 	 *            number of seconds to add to the current time.
 	 */
-	public void tick(final int secDelta) {
+	public void tick(int secDelta) {
 		mockSystemReader.tick(secDelta);
 	}
 
@@ -267,8 +267,8 @@
 	 * @return reference to the blob.
 	 * @throws Exception
 	 */
-	public RevBlob blob(final String content) throws Exception {
-		return blob(content.getBytes(UTF_8));
+	public RevBlob blob(String content) throws Exception {
+		return blob(content.getBytes(CHARSET));
 	}
 
 	/**
@@ -279,7 +279,7 @@
 	 * @return reference to the blob.
 	 * @throws Exception
 	 */
-	public RevBlob blob(final byte[] content) throws Exception {
+	public RevBlob blob(byte[] content) throws Exception {
 		ObjectId id;
 		try (ObjectInserter ins = inserter) {
 			id = ins.insert(Constants.OBJ_BLOB, content);
@@ -298,7 +298,7 @@
 	 * @return the entry.
 	 * @throws Exception
 	 */
-	public DirCacheEntry file(final String path, final RevBlob blob)
+	public DirCacheEntry file(String path, RevBlob blob)
 			throws Exception {
 		final DirCacheEntry e = new DirCacheEntry(path);
 		e.setFileMode(FileMode.REGULAR_FILE);
@@ -315,10 +315,10 @@
 	 * @return reference to the tree specified by the entry list.
 	 * @throws Exception
 	 */
-	public RevTree tree(final DirCacheEntry... entries) throws Exception {
+	public RevTree tree(DirCacheEntry... entries) throws Exception {
 		final DirCache dc = DirCache.newInCore();
 		final DirCacheBuilder b = dc.builder();
-		for (final DirCacheEntry e : entries)
+		for (DirCacheEntry e : entries)
 			b.add(e);
 		b.finish();
 		ObjectId root;
@@ -339,7 +339,7 @@
 	 * @return the parsed object entry at this path, never null.
 	 * @throws Exception
 	 */
-	public RevObject get(final RevTree tree, final String path)
+	public RevObject get(RevTree tree, String path)
 			throws Exception {
 		try (TreeWalk tw = new TreeWalk(pool.getObjectReader())) {
 			tw.setFilter(PathFilterGroup.createFromStrings(Collections
@@ -370,7 +370,7 @@
 	 * @return the new commit.
 	 * @throws Exception
 	 */
-	public RevCommit commit(final RevCommit... parents) throws Exception {
+	public RevCommit commit(RevCommit... parents) throws Exception {
 		return commit(1, tree(), parents);
 	}
 
@@ -386,7 +386,7 @@
 	 * @return the new commit.
 	 * @throws Exception
 	 */
-	public RevCommit commit(final RevTree tree, final RevCommit... parents)
+	public RevCommit commit(RevTree tree, RevCommit... parents)
 			throws Exception {
 		return commit(1, tree, parents);
 	}
@@ -404,7 +404,7 @@
 	 * @return the new commit.
 	 * @throws Exception
 	 */
-	public RevCommit commit(final int secDelta, final RevCommit... parents)
+	public RevCommit commit(int secDelta, RevCommit... parents)
 			throws Exception {
 		return commit(secDelta, tree(), parents);
 	}
@@ -470,7 +470,7 @@
 	 * @return the annotated tag object.
 	 * @throws Exception
 	 */
-	public RevTag tag(final String name, final RevObject dst) throws Exception {
+	public RevTag tag(String name, RevObject dst) throws Exception {
 		final TagBuilder t = new TagBuilder();
 		t.setObjectId(dst);
 		t.setTag(name);
@@ -759,7 +759,7 @@
 			final FileRepository fr = (FileRepository) db;
 			RefWriter rw = new RefWriter(fr.getAllRefs().values()) {
 				@Override
-				protected void writeFile(final String name, final byte[] bin)
+				protected void writeFile(String name, byte[] bin)
 						throws IOException {
 					File path = new File(fr.getDirectory(), name);
 					TestRepository.this.writeFile(path, bin);
@@ -791,7 +791,7 @@
 	 * @return {@code object}
 	 * @throws Exception
 	 */
-	public <T extends RevObject> T parseBody(final T object) throws Exception {
+	public <T extends RevObject> T parseBody(T object) throws Exception {
 		pool.parseBody(object);
 		return object;
 	}
@@ -944,7 +944,7 @@
 		return new File(packdir, "pack-" + name.name() + t);
 	}
 
-	private void writeFile(final File p, final byte[] bin) throws IOException,
+	private void writeFile(File p, byte[] bin) throws IOException,
 			ObjectWritingException {
 		final LockFile lck = new LockFile(p);
 		if (!lck.lock())
@@ -962,7 +962,7 @@
 	public class BranchBuilder {
 		private final String ref;
 
-		BranchBuilder(final String ref) {
+		BranchBuilder(String ref) {
 			this.ref = ref;
 		}
 
@@ -1093,7 +1093,7 @@
 			return add(path, blob(content));
 		}
 
-		public CommitBuilder add(String path, final RevBlob id)
+		public CommitBuilder add(String path, RevBlob id)
 				throws Exception {
 			return edit(new PathEdit(path) {
 				@Override
diff --git a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRng.java b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRng.java
index 54c81f2..f7af36a 100644
--- a/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRng.java
+++ b/org.eclipse.jgit.junit/src/org/eclipse/jgit/junit/TestRng.java
@@ -55,7 +55,7 @@
 	 * @param seed
 	 *            seed to bootstrap, usually this is the test method name.
 	 */
-	public TestRng(final String seed) {
+	public TestRng(String seed) {
 		next = 0;
 		for (int i = 0; i < seed.length(); i++)
 			next = next * 11 + seed.charAt(i);
@@ -68,7 +68,7 @@
 	 *            number of random bytes to produce.
 	 * @return array of {@code cnt} randomly generated bytes.
 	 */
-	public byte[] nextBytes(final int cnt) {
+	public byte[] nextBytes(int cnt) {
 		final byte[] r = new byte[cnt];
 		for (int i = 0; i < cnt; i++)
 			r[i] = (byte) nextInt();
diff --git a/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
index 5dec2fa..c805f75 100644
--- a/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.server.test/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.lfs.server.test
 Bundle-SymbolicName: org.eclipse.jgit.lfs.server.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
@@ -28,24 +28,24 @@
  org.eclipse.jetty.util.log;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.security;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.thread;version="[9.4.5,10.0.0)",
- org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.server;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.server.fs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.test;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.server;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.server.fs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.test;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.rules;version="[4.12,5.0.0)",
diff --git a/org.eclipse.jgit.lfs.server.test/pom.xml b/org.eclipse.jgit.lfs.server.test/pom.xml
index 688ac46..dee3199 100644
--- a/org.eclipse.jgit.lfs.server.test/pom.xml
+++ b/org.eclipse.jgit.lfs.server.test/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.lfs.server.test</artifactId>
diff --git a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/LfsServerTest.java b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/LfsServerTest.java
index 90fe116..50a06f9 100644
--- a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/LfsServerTest.java
+++ b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/LfsServerTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.lfs.server.fs;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 
 import java.io.BufferedInputStream;
@@ -131,12 +131,6 @@
 
 			@Override
 			protected LargeFileRepository getLargeFileRepository(
-					LfsRequest request, String path) {
-				return repository;
-			}
-
-			@Override
-			protected LargeFileRepository getLargeFileRepository(
 					LfsRequest request, String path, String auth)
 					throws LfsException {
 				return repository;
@@ -217,11 +211,11 @@
 				if (buf.hasArray()) {
 					error = new String(buf.array(),
 							buf.arrayOffset() + buf.position(), buf.remaining(),
-							UTF_8);
+							CHARSET);
 				} else {
 					final byte[] b = new byte[buf.remaining()];
 					buf.duplicate().get(b);
-					error = new String(b, UTF_8);
+					error = new String(b, CHARSET);
 				}
 			} catch (IOException e) {
 				error = statusLine.getReasonPhrase();
diff --git a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/UploadTest.java b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/UploadTest.java
index 8a8f49c..09f8d0a 100644
--- a/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/UploadTest.java
+++ b/org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/UploadTest.java
@@ -122,7 +122,7 @@
 
 		ExecutorService e = Executors.newFixedThreadPool(count);
 		try {
-			for (final Path p : paths) {
+			for (Path p : paths) {
 				e.submit(new Callable<Void>() {
 					@Override
 					public Void call() throws Exception {
diff --git a/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
index 1581aca..14d3ab8 100644
--- a/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.server/META-INF/MANIFEST.MF
@@ -3,19 +3,19 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.lfs.server
 Bundle-SymbolicName: org.eclipse.jgit.lfs.server
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
-Export-Package: org.eclipse.jgit.lfs.server;version="4.11.10";
+Export-Package: org.eclipse.jgit.lfs.server;version="5.0.4";
   uses:="javax.servlet.http,
    org.eclipse.jgit.lfs.lib",
- org.eclipse.jgit.lfs.server.fs;version="4.11.10";
+ org.eclipse.jgit.lfs.server.fs;version="5.0.4";
   uses:="javax.servlet,
    javax.servlet.http,
    org.eclipse.jgit.lfs.server,
    org.eclipse.jgit.lfs.lib",
- org.eclipse.jgit.lfs.server.internal;version="4.11.10";x-internal:=true,
- org.eclipse.jgit.lfs.server.s3;version="4.11.10";
+ org.eclipse.jgit.lfs.server.internal;version="5.0.4";x-internal:=true,
+ org.eclipse.jgit.lfs.server.s3;version="5.0.4";
   uses:="org.eclipse.jgit.lfs.server,
    org.eclipse.jgit.lfs.lib"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
@@ -25,14 +25,15 @@
  javax.servlet.http;version="[3.1.0,4.0.0)",
  org.apache.http;version="[4.3.0,5.0.0)",
  org.apache.http.client;version="[4.3.0,5.0.0)",
- org.eclipse.jgit.annotations;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http.apache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.annotations;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http.apache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
  org.slf4j;version="[1.7.0,2.0.0)"
diff --git a/org.eclipse.jgit.lfs.server/pom.xml b/org.eclipse.jgit.lfs.server/pom.xml
index 6a08ecd..7c81c1a 100644
--- a/org.eclipse.jgit.lfs.server/pom.xml
+++ b/org.eclipse.jgit.lfs.server/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.lfs.server</artifactId>
diff --git a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java
index 6968d75..d22d459 100644
--- a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java
+++ b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/LfsProtocolServlet.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.lfs.server;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.apache.http.HttpStatus.SC_FORBIDDEN;
 import static org.apache.http.HttpStatus.SC_INSUFFICIENT_STORAGE;
 import static org.apache.http.HttpStatus.SC_INTERNAL_SERVER_ERROR;
@@ -112,48 +112,6 @@
 	 *            the request
 	 * @param path
 	 *            the path
-	 * @return the large file repository storing large files.
-	 * @throws org.eclipse.jgit.lfs.errors.LfsException
-	 *             implementations should throw more specific exceptions to
-	 *             signal which type of error occurred:
-	 *             <dl>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsValidationError}</dt>
-	 *             <dd>when there is a validation error with one or more of the
-	 *             objects in the request</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsRepositoryNotFound}</dt>
-	 *             <dd>when the repository does not exist for the user</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsRepositoryReadOnly}</dt>
-	 *             <dd>when the user has read, but not write access. Only
-	 *             applicable when the operation in the request is "upload"</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsRateLimitExceeded}</dt>
-	 *             <dd>when the user has hit a rate limit with the server</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsBandwidthLimitExceeded}</dt>
-	 *             <dd>when the bandwidth limit for the user or repository has
-	 *             been exceeded</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsInsufficientStorage}</dt>
-	 *             <dd>when there is insufficient storage on the server</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsUnavailable}</dt>
-	 *             <dd>when LFS is not available</dd>
-	 *             <dt>{@link org.eclipse.jgit.lfs.errors.LfsException}</dt>
-	 *             <dd>when an unexpected internal server error occurred</dd>
-	 *             </dl>
-	 * @since 4.5
-	 * @deprecated use
-	 *             {@link #getLargeFileRepository(LfsRequest, String, String)}
-	 */
-	@Deprecated
-	protected LargeFileRepository getLargeFileRepository(LfsRequest request,
-			String path) throws LfsException {
-		return getLargeFileRepository(request, path, null);
-	}
-
-	/**
-	 * Get the large file repository for the given request and path.
-	 *
-	 * @param request
-	 *            the request
-	 * @param path
-	 *            the path
 	 * @param auth
 	 *            the Authorization HTTP header
 	 * @return the large file repository storing large files.
@@ -244,10 +202,10 @@
 	protected void doPost(HttpServletRequest req, HttpServletResponse res)
 			throws ServletException, IOException {
 		Writer w = new BufferedWriter(
-				new OutputStreamWriter(res.getOutputStream(), UTF_8));
+				new OutputStreamWriter(res.getOutputStream(), CHARSET));
 
 		Reader r = new BufferedReader(
-				new InputStreamReader(req.getInputStream(), UTF_8));
+				new InputStreamReader(req.getInputStream(), CHARSET));
 		LfsRequest request = LfsGson.fromJson(r, LfsRequest.class);
 		String path = req.getPathInfo();
 
diff --git a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/fs/FileLfsRepository.java b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/fs/FileLfsRepository.java
index 688aef2..55d9093 100644
--- a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/fs/FileLfsRepository.java
+++ b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/fs/FileLfsRepository.java
@@ -170,7 +170,7 @@
 	private static final char[] hexchar = { '0', '1', '2', '3', '4', '5', '6',
 			'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 
-	private static void formatHexChar(final char[] dst, final int p, int b) {
+	private static void formatHexChar(char[] dst, int p, int b) {
 		int o = p + 1;
 		while (o >= p && b != 0) {
 			dst[o--] = hexchar[b & 0xf];
diff --git a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/s3/SignerV4.java b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/s3/SignerV4.java
index b21c94e..374a560 100644
--- a/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/s3/SignerV4.java
+++ b/org.eclipse.jgit.lfs.server/src/org/eclipse/jgit/lfs/server/s3/SignerV4.java
@@ -43,7 +43,7 @@
  */
 package org.eclipse.jgit.lfs.server.s3;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.util.HttpSupport.HDR_AUTHORIZATION;
 
 import java.io.UnsupportedEncodingException;
@@ -359,13 +359,13 @@
 
 	private static byte[] hash(String s) {
 		MessageDigest md = Constants.newMessageDigest();
-		md.update(s.getBytes(UTF_8));
+		md.update(s.getBytes(CHARSET));
 		return md.digest();
 	}
 
 	private static byte[] sign(String stringData, byte[] key) {
 		try {
-			byte[] data = stringData.getBytes(UTF_8);
+			byte[] data = stringData.getBytes(CHARSET);
 			Mac mac = Mac.getInstance(HMACSHA256);
 			mac.init(new SecretKeySpec(key, HMACSHA256));
 			return mac.doFinal(data);
@@ -395,7 +395,7 @@
 	private static String urlEncode(String url, boolean keepPathSlash) {
 		String encoded;
 		try {
-			encoded = URLEncoder.encode(url, UTF_8.name());
+			encoded = URLEncoder.encode(url, CHARSET.name());
 		} catch (UnsupportedEncodingException e) {
 			throw new RuntimeException(LfsServerText.get().unsupportedUtf8, e);
 		}
diff --git a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
index c20c7e9..d8376ce 100644
--- a/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs.test/META-INF/MANIFEST.MF
@@ -3,23 +3,23 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.lfs.test
 Bundle-SymbolicName: org.eclipse.jgit.lfs.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-Localization: plugin
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Import-Package: org.eclipse.jgit.internal.storage.dfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
+Import-Package: org.eclipse.jgit.internal.storage.dfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
  org.hamcrest.core;version="[1.1.0,2.0.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.runner;version="[4.12,5.0.0)",
  org.junit.runners;version="[4.12,5.0.0)"
-Export-Package: org.eclipse.jgit.lfs.test;version="4.11.10";x-friends:="org.eclipse.jgit.lfs.server.test"
+Export-Package: org.eclipse.jgit.lfs.test;version="5.0.4";x-friends:="org.eclipse.jgit.lfs.server.test"
 
diff --git a/org.eclipse.jgit.lfs.test/pom.xml b/org.eclipse.jgit.lfs.test/pom.xml
index 7bba152..a55cecd 100644
--- a/org.eclipse.jgit.lfs.test/pom.xml
+++ b/org.eclipse.jgit.lfs.test/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.lfs.test</artifactId>
diff --git a/org.eclipse.jgit.lfs.test/src/org/eclipse/jgit/lfs/test/LongObjectIdTestUtils.java b/org.eclipse.jgit.lfs.test/src/org/eclipse/jgit/lfs/test/LongObjectIdTestUtils.java
index c3c3859..e3c6ef8 100644
--- a/org.eclipse.jgit.lfs.test/src/org/eclipse/jgit/lfs/test/LongObjectIdTestUtils.java
+++ b/org.eclipse.jgit.lfs.test/src/org/eclipse/jgit/lfs/test/LongObjectIdTestUtils.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.lfs.test;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedInputStream;
 import java.io.FileNotFoundException;
@@ -66,7 +66,7 @@
 	 */
 	public static LongObjectId hash(String s) {
 		MessageDigest md = Constants.newMessageDigest();
-		md.update(s.getBytes(UTF_8));
+		md.update(s.getBytes(CHARSET));
 		return LongObjectId.fromRaw(md.digest());
 	}
 
diff --git a/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LFSPointerTest.java b/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LFSPointerTest.java
index 146a25e..a1283dd 100644
--- a/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LFSPointerTest.java
+++ b/org.eclipse.jgit.lfs.test/tst/org/eclipse/jgit/lfs/lib/LFSPointerTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.lfs.lib;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARACTER_ENCODING;
 import static org.junit.Assert.assertEquals;
 
 import java.io.ByteArrayOutputStream;
@@ -66,7 +66,7 @@
 			assertEquals(
 					"version https://git-lfs.github.com/spec/v1\noid sha256:"
 							+ s + "\nsize 4\n",
-					baos.toString(UTF_8.name()));
+					baos.toString(CHARACTER_ENCODING));
 		}
 	}
 }
diff --git a/org.eclipse.jgit.lfs/.settings/.api_filters b/org.eclipse.jgit.lfs/.settings/.api_filters
deleted file mode 100644
index ec97394..0000000
--- a/org.eclipse.jgit.lfs/.settings/.api_filters
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<component id="org.eclipse.jgit.lfs" version="2">
-    <resource path="META-INF/MANIFEST.MF">
-        <filter id="923795461">
-            <message_arguments>
-                <message_argument value="4.11.9"/>
-                <message_argument value="4.10.0"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/jgit/lfs/CleanFilter.java" type="org.eclipse.jgit.lfs.CleanFilter">
-        <filter id="421572723">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lfs.CleanFilter"/>
-                <message_argument value="register()"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/jgit/lfs/LfsPointer.java" type="org.eclipse.jgit.lfs.LfsPointer">
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lfs.LfsPointer"/>
-                <message_argument value="SIZE_THRESHOLD"/>
-            </message_arguments>
-        </filter>
-    </resource>
-    <resource path="src/org/eclipse/jgit/lfs/SmudgeFilter.java" type="org.eclipse.jgit.lfs.SmudgeFilter">
-        <filter id="421572723">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lfs.SmudgeFilter"/>
-                <message_argument value="register()"/>
-            </message_arguments>
-        </filter>
-    </resource>
-</component>
diff --git a/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF b/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
index 869f2bc..3e1e221 100644
--- a/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.lfs/META-INF/MANIFEST.MF
@@ -3,33 +3,34 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.lfs
 Bundle-SymbolicName: org.eclipse.jgit.lfs
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
-Export-Package: org.eclipse.jgit.lfs;version="4.11.10",
- org.eclipse.jgit.lfs.errors;version="4.11.10",
- org.eclipse.jgit.lfs.internal;version="4.11.10";x-friends:="org.eclipse.jgit.lfs.test,org.eclipse.jgit.lfs.server.fs,org.eclipse.jgit.lfs.server",
- org.eclipse.jgit.lfs.lib;version="4.11.10"
+Export-Package: org.eclipse.jgit.lfs;version="5.0.4",
+ org.eclipse.jgit.lfs.errors;version="5.0.4",
+ org.eclipse.jgit.lfs.internal;version="5.0.4";x-friends:="org.eclipse.jgit.lfs.test,org.eclipse.jgit.lfs.server.fs,org.eclipse.jgit.lfs.server",
+ org.eclipse.jgit.lfs.lib;version="5.0.4"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: com.google.gson;version="[2.8.2,3.0.0)",
  com.google.gson.stream;version="[2.8.2,3.0.0)",
  org.apache.http.impl.client;version="[4.2.6,5.0.0)",
  org.apache.http.impl.conn;version="[4.2.6,5.0.0)",
- org.eclipse.jgit.annotations;version="[4.11.10,4.12.0)";resolution:=optional,
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.attributes;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.diff;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.hooks;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.io;version="[4.11.10,4.12.0)"
+ org.eclipse.jgit.annotations;version="[5.0.4,5.1.0)";resolution:=optional,
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.attributes;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.diff;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.hooks;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.io;version="[5.0.4,5.1.0)",
+ org.slf4j;version="[1.7.0,2.0.0)"
diff --git a/org.eclipse.jgit.lfs/pom.xml b/org.eclipse.jgit.lfs/pom.xml
index 315ea5a..c231692 100644
--- a/org.eclipse.jgit.lfs/pom.xml
+++ b/org.eclipse.jgit.lfs/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.lfs</artifactId>
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/Lfs.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/Lfs.java
index 40d8342..4c46bbd 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/Lfs.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/Lfs.java
@@ -65,19 +65,6 @@
 	/**
 	 * Constructor for Lfs.
 	 *
-	 * @param root
-	 *            the path to the LFS media directory. Will be
-	 *            {@code "<repo>/.git/lfs"}
-	 * @deprecated use {@link #Lfs(Repository)} instead.
-	 */
-	@Deprecated
-	public Lfs(Path root) {
-		this.root = root;
-	}
-
-	/**
-	 * Constructor for Lfs.
-	 *
 	 * @param db
 	 *            the associated repo
 	 *
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
index 0e3830c..4f95940 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPointer.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.lfs;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -134,7 +134,7 @@
 	 */
 	public void encode(OutputStream out) {
 		try (PrintStream ps = new PrintStream(out, false,
-				UTF_8.name())) {
+				CHARSET.name())) {
 			ps.print("version "); //$NON-NLS-1$
 			ps.print(VERSION + "\n"); //$NON-NLS-1$
 			ps.print("oid " + HASH_FUNCTION_NAME + ":"); //$NON-NLS-1$ //$NON-NLS-2$
@@ -143,7 +143,7 @@
 			ps.print(size + "\n"); //$NON-NLS-1$
 		} catch (UnsupportedEncodingException e) {
 			// should not happen, we are using a standard charset
-			throw new UnsupportedCharsetException(UTF_8.name());
+			throw new UnsupportedCharsetException(CHARSET.name());
 		}
 	}
 
@@ -165,7 +165,7 @@
 		long sz = -1;
 
 		try (BufferedReader br = new BufferedReader(
-				new InputStreamReader(in, UTF_8))) {
+				new InputStreamReader(in, CHARSET))) {
 			for (String s = br.readLine(); s != null; s = br.readLine()) {
 				if (s.startsWith("#") || s.length() == 0) { //$NON-NLS-1$
 					continue;
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPrePushHook.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPrePushHook.java
index 6115e39..de4449f 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPrePushHook.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/LfsPrePushHook.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.lfs;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lfs.Protocol.OPERATION_UPLOAD;
 import static org.eclipse.jgit.lfs.internal.LfsConnectionFactory.toRequest;
 import static org.eclipse.jgit.transport.http.HttpConnection.HTTP_OK;
@@ -174,8 +174,8 @@
 
 	private void excludeRemoteRefs(ObjectWalk walk) throws IOException {
 		RefDatabase refDatabase = getRepository().getRefDatabase();
-		Map<String, Ref> remoteRefs = refDatabase.getRefs(remote());
-		for (Ref r : remoteRefs.values()) {
+		List<Ref> remoteRefs = refDatabase.getRefsByPrefix(remote());
+		for (Ref r : remoteRefs) {
 			ObjectId oid = r.getPeeledObjectId();
 			if (oid == null) {
 				oid = r.getObjectId();
@@ -208,7 +208,7 @@
 		}
 		Gson gson = Protocol.gson();
 		api.getOutputStream().write(
-				gson.toJson(toRequest(OPERATION_UPLOAD, res)).getBytes(UTF_8));
+				gson.toJson(toRequest(OPERATION_UPLOAD, res)).getBytes(CHARSET));
 		int responseCode = api.getResponseCode();
 		if (responseCode != HTTP_OK) {
 			throw new IOException(
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/SmudgeFilter.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/SmudgeFilter.java
index e2ab309..6bff12f 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/SmudgeFilter.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/SmudgeFilter.java
@@ -42,11 +42,12 @@
  */
 package org.eclipse.jgit.lfs;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.text.MessageFormat;
@@ -169,7 +170,7 @@
 				.write(gson
 						.toJson(LfsConnectionFactory
 								.toRequest(Protocol.OPERATION_DOWNLOAD, res))
-						.getBytes(StandardCharsets.UTF_8));
+						.getBytes(CHARSET));
 		int responseCode = lfsServerConn.getResponseCode();
 		if (responseCode != HttpConnection.HTTP_OK) {
 			throw new IOException(
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsConfigInvalidException.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsConfigInvalidException.java
index 5320af0..f90a003 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsConfigInvalidException.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/errors/LfsConfigInvalidException.java
@@ -63,4 +63,17 @@
 		super(msg);
 	}
 
+	/**
+	 * Constructor for LfsConfigInvalidException.
+	 *
+	 * @param msg
+	 *            the error description
+	 * @param e
+	 *            cause of this exception
+	 * @since 5.0
+	 */
+	public LfsConfigInvalidException(String msg, Exception e) {
+		super(msg, e);
+	}
+
 }
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/internal/LfsConnectionFactory.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/internal/LfsConnectionFactory.java
index 5d8268b..955eca0 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/internal/LfsConnectionFactory.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/internal/LfsConnectionFactory.java
@@ -47,10 +47,9 @@
 import static org.eclipse.jgit.util.HttpSupport.HDR_ACCEPT_ENCODING;
 import static org.eclipse.jgit.util.HttpSupport.HDR_CONTENT_TYPE;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.net.ProxySelector;
+import java.net.URISyntaxException;
 import java.net.URL;
 import java.text.SimpleDateFormat;
 import java.util.LinkedList;
@@ -58,6 +57,7 @@
 import java.util.TreeMap;
 
 import org.eclipse.jgit.annotations.NonNull;
+import org.eclipse.jgit.errors.CommandFailedException;
 import org.eclipse.jgit.lfs.LfsPointer;
 import org.eclipse.jgit.lfs.Protocol;
 import org.eclipse.jgit.lfs.errors.LfsConfigInvalidException;
@@ -66,20 +66,17 @@
 import org.eclipse.jgit.lib.StoredConfig;
 import org.eclipse.jgit.transport.HttpConfig;
 import org.eclipse.jgit.transport.HttpTransport;
-import org.eclipse.jgit.transport.RemoteSession;
-import org.eclipse.jgit.transport.SshSessionFactory;
 import org.eclipse.jgit.transport.URIish;
 import org.eclipse.jgit.transport.http.HttpConnection;
-import org.eclipse.jgit.util.FS;
 import org.eclipse.jgit.util.HttpSupport;
-import org.eclipse.jgit.util.io.MessageWriter;
-import org.eclipse.jgit.util.io.StreamCopyThread;
+import org.eclipse.jgit.util.SshSupport;
 
 /**
  * Provides means to get a valid LFS connection for a given repository.
  */
 public class LfsConnectionFactory {
 
+	private static final int SSH_AUTH_TIMEOUT_SECONDS = 30;
 	private static final String SCHEME_HTTPS = "https"; //$NON-NLS-1$
 	private static final String SCHEME_SSH = "ssh"; //$NON-NLS-1$
 	private static final Map<String, AuthCache> sshAuthCache = new TreeMap<>();
@@ -133,6 +130,7 @@
 		String lfsUrl = config.getString(ConfigConstants.CONFIG_SECTION_LFS,
 				null,
 				ConfigConstants.CONFIG_KEY_URL);
+		Exception ex = null;
 		if (lfsUrl == null) {
 			String remoteUrl = null;
 			for (String remote : db.getRemoteNames()) {
@@ -151,38 +149,44 @@
 				break;
 			}
 			if (lfsUrl == null && remoteUrl != null) {
-				lfsUrl = discoverLfsUrl(db, purpose, additionalHeaders,
-						remoteUrl);
+				try {
+					lfsUrl = discoverLfsUrl(db, purpose, additionalHeaders,
+							remoteUrl);
+				} catch (URISyntaxException | IOException
+						| CommandFailedException e) {
+					ex = e;
+				}
 			} else {
 				lfsUrl = lfsUrl + Protocol.INFO_LFS_ENDPOINT;
 			}
 		}
 		if (lfsUrl == null) {
+			if (ex != null) {
+				throw new LfsConfigInvalidException(
+						LfsText.get().lfsNoDownloadUrl, ex);
+			}
 			throw new LfsConfigInvalidException(LfsText.get().lfsNoDownloadUrl);
 		}
 		return lfsUrl;
 	}
 
 	private static String discoverLfsUrl(Repository db, String purpose,
-			Map<String, String> additionalHeaders, String remoteUrl) {
-		try {
-			URIish u = new URIish(remoteUrl);
-			if (SCHEME_SSH.equals(u.getScheme())) {
-				Protocol.ExpiringAction action = getSshAuthentication(
-						db, purpose, remoteUrl, u);
-				additionalHeaders.putAll(action.header);
-				return action.href;
-			} else {
-				return remoteUrl + Protocol.INFO_LFS_ENDPOINT;
-			}
-		} catch (Exception e) {
-			return null; // could not discover
+			Map<String, String> additionalHeaders, String remoteUrl)
+			throws URISyntaxException, IOException, CommandFailedException {
+		URIish u = new URIish(remoteUrl);
+		if (u.getScheme() == null || SCHEME_SSH.equals(u.getScheme())) {
+			Protocol.ExpiringAction action = getSshAuthentication(db, purpose,
+					remoteUrl, u);
+			additionalHeaders.putAll(action.header);
+			return action.href;
+		} else {
+			return remoteUrl + Protocol.INFO_LFS_ENDPOINT;
 		}
 	}
 
 	private static Protocol.ExpiringAction getSshAuthentication(
 			Repository db, String purpose, String remoteUrl, URIish u)
-			throws IOException {
+			throws IOException, CommandFailedException {
 		AuthCache cached = sshAuthCache.get(remoteUrl);
 		Protocol.ExpiringAction action = null;
 		if (cached != null && cached.validUntil > System.currentTimeMillis()) {
@@ -193,10 +197,11 @@
 			// discover and authenticate; git-lfs does "ssh
 			// -p <port> -- <host> git-lfs-authenticate
 			// <project> <upload/download>"
-			String json = runSshCommand(u.setPath(""), //$NON-NLS-1$
-					db.getFS(),
+			String json = SshSupport.runSshCommand(u.setPath(""), //$NON-NLS-1$
+					null, db.getFS(),
 					"git-lfs-authenticate " + extractProjectName(u) + " " //$NON-NLS-1$//$NON-NLS-2$
-							+ purpose);
+							+ purpose,
+					SSH_AUTH_TIMEOUT_SECONDS);
 
 			action = Protocol.gson().fromJson(json,
 					Protocol.ExpiringAction.class);
@@ -230,8 +235,10 @@
 				.create(contentUrl, HttpSupport
 						.proxyFor(ProxySelector.getDefault(), contentUrl));
 		contentServerConn.setRequestMethod(method);
-		action.header
-				.forEach((k, v) -> contentServerConn.setRequestProperty(k, v));
+		if (action.header != null) {
+			action.header.forEach(
+					(k, v) -> contentServerConn.setRequestProperty(k, v));
+		}
 		if (contentUrl.getProtocol().equals(SCHEME_HTTPS)
 				&& !repo.getConfig().getBoolean(HttpConfig.HTTP,
 						HttpConfig.SSL_VERIFY_KEY, true)) {
@@ -245,7 +252,13 @@
 	}
 
 	private static String extractProjectName(URIish u) {
-		String path = u.getPath().substring(1);
+		String path = u.getPath();
+
+		// begins with a slash if the url contains a port (gerrit vs. github).
+		if (path.startsWith("/")) { //$NON-NLS-1$
+			path = path.substring(1);
+		}
+
 		if (path.endsWith(org.eclipse.jgit.lib.Constants.DOT_GIT)) {
 			return path.substring(0, path.length() - 4);
 		} else {
@@ -253,42 +266,6 @@
 		}
 	}
 
-	private static String runSshCommand(URIish sshUri, FS fs, String command)
-			throws IOException {
-		RemoteSession session = null;
-		Process process = null;
-		StreamCopyThread errorThread = null;
-		try (MessageWriter stderr = new MessageWriter()) {
-			session = SshSessionFactory.getInstance().getSession(sshUri, null,
-					fs, 5_000);
-			process = session.exec(command, 0);
-			errorThread = new StreamCopyThread(process.getErrorStream(),
-					stderr.getRawStream());
-			errorThread.start();
-			try (BufferedReader reader = new BufferedReader(
-					new InputStreamReader(process.getInputStream(),
-							org.eclipse.jgit.lib.Constants.CHARSET))) {
-				return reader.readLine();
-			}
-		} finally {
-			if (process != null) {
-				process.destroy();
-			}
-			if (errorThread != null) {
-				try {
-					errorThread.halt();
-				} catch (InterruptedException e) {
-					// Stop waiting and return anyway.
-				} finally {
-					errorThread = null;
-				}
-			}
-			if (session != null) {
-				SshSessionFactory.getInstance().releaseSession(session);
-			}
-		}
-	}
-
 	/**
 	 * @param operation
 	 *            the operation to perform, e.g. Protocol.OPERATION_DOWNLOAD
@@ -313,7 +290,7 @@
 	}
 
 	private static final class AuthCache {
-		private static final long AUTH_CACHE_EAGER_TIMEOUT = 100;
+		private static final long AUTH_CACHE_EAGER_TIMEOUT = 500;
 
 		private static final SimpleDateFormat ISO_FORMAT = new SimpleDateFormat(
 				"yyyy-MM-dd'T'HH:mm:ss.SSSX"); //$NON-NLS-1$
@@ -330,8 +307,9 @@
 			this.cachedAction = action;
 			try {
 				if (action.expiresIn != null && !action.expiresIn.isEmpty()) {
-					this.validUntil = System.currentTimeMillis()
-							+ Long.parseLong(action.expiresIn);
+					this.validUntil = (System.currentTimeMillis()
+							+ Long.parseLong(action.expiresIn))
+							- AUTH_CACHE_EAGER_TIMEOUT;
 				} else if (action.expiresAt != null
 						&& !action.expiresAt.isEmpty()) {
 					this.validUntil = ISO_FORMAT.parse(action.expiresAt)
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
index 4529a25..bdd1b39 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AbbreviatedLongObjectId.java
@@ -78,7 +78,7 @@
 	 *            the string to test.
 	 * @return true if the string can converted into an AbbreviatedObjectId.
 	 */
-	public static final boolean isId(final String id) {
+	public static final boolean isId(String id) {
 		if (id.length() < 2
 				|| Constants.LONG_OBJECT_ID_STRING_LENGTH < id.length())
 			return false;
@@ -138,7 +138,7 @@
 	 *            the string to read from. Must be &lt;= 64 characters.
 	 * @return the converted object id.
 	 */
-	public static final AbbreviatedLongObjectId fromString(final String str) {
+	public static final AbbreviatedLongObjectId fromString(String str) {
 		if (str.length() > Constants.LONG_OBJECT_ID_STRING_LENGTH)
 			throw new IllegalArgumentException(
 					MessageFormat.format(LfsText.get().invalidLongId, str));
@@ -173,7 +173,7 @@
 		return r << (16 - n) * 4;
 	}
 
-	static long mask(final int nibbles, final long word, final long v) {
+	static long mask(int nibbles, long word, long v) {
 		final long b = (word - 1) * 16;
 		if (b + 16 <= nibbles) {
 			// We have all of the bits required for this word.
@@ -249,7 +249,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final AnyLongObjectId other) {
+	public final int prefixCompare(AnyLongObjectId other) {
 		int cmp;
 
 		cmp = NB.compareUInt64(w1, mask(1, other.w1));
@@ -281,7 +281,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final byte[] bs, final int p) {
+	public final int prefixCompare(byte[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt64(w1, mask(1, NB.decodeInt64(bs, p)));
@@ -313,7 +313,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final long[] bs, final int p) {
+	public final int prefixCompare(long[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt64(w1, mask(1, bs[p]));
@@ -340,7 +340,7 @@
 		return (int) (w1 >>> 56);
 	}
 
-	private long mask(final long word, final long v) {
+	private long mask(long word, long v) {
 		return mask(nibbles, word, v);
 	}
 
@@ -352,7 +352,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object o) {
+	public boolean equals(Object o) {
 		if (o instanceof AbbreviatedLongObjectId) {
 			final AbbreviatedLongObjectId b = (AbbreviatedLongObjectId) o;
 			return nibbles == b.nibbles && w1 == b.w1 && w2 == b.w2
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java
index 96d6938..0788922 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/AnyLongObjectId.java
@@ -170,7 +170,7 @@
 	 * Compare this LongObjectId to another and obtain a sort ordering.
 	 */
 	@Override
-	public final int compareTo(final AnyLongObjectId other) {
+	public final int compareTo(AnyLongObjectId other) {
 		if (this == other)
 			return 0;
 
@@ -202,7 +202,7 @@
 	 * @return a negative integer, zero, or a positive integer as this object is
 	 *         less than, equal to, or greater than the specified object.
 	 */
-	public final int compareTo(final byte[] bs, final int p) {
+	public final int compareTo(byte[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt64(w1, NB.decodeInt64(bs, p));
@@ -231,7 +231,7 @@
 	 * @return a negative integer, zero, or a positive integer as this object is
 	 *         less than, equal to, or greater than the specified object.
 	 */
-	public final int compareTo(final long[] bs, final int p) {
+	public final int compareTo(long[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt64(w1, bs[p]);
@@ -257,7 +257,7 @@
 	 * @return true if this LongObjectId begins with the abbreviation; else
 	 *         false.
 	 */
-	public boolean startsWith(final AbbreviatedLongObjectId abbr) {
+	public boolean startsWith(AbbreviatedLongObjectId abbr) {
 		return abbr.prefixCompare(this) == 0;
 	}
 
@@ -274,13 +274,13 @@
 	 *            the other id to compare to. May be null.
 	 * @return true only if both LongObjectIds have identical bits.
 	 */
-	public final boolean equals(final AnyLongObjectId other) {
+	public final boolean equals(AnyLongObjectId other) {
 		return other != null ? equals(this, other) : false;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public final boolean equals(final Object o) {
+	public final boolean equals(Object o) {
 		if (o instanceof AnyLongObjectId)
 			return equals((AnyLongObjectId) o);
 		else
@@ -293,7 +293,7 @@
 	 * @param w
 	 *            the buffer to copy to. Must be in big endian order.
 	 */
-	public void copyRawTo(final ByteBuffer w) {
+	public void copyRawTo(ByteBuffer w) {
 		w.putLong(w1);
 		w.putLong(w2);
 		w.putLong(w3);
@@ -308,7 +308,7 @@
 	 * @param o
 	 *            the offset within b to write at.
 	 */
-	public void copyRawTo(final byte[] b, final int o) {
+	public void copyRawTo(byte[] b, int o) {
 		NB.encodeInt64(b, o, w1);
 		NB.encodeInt64(b, o + 8, w2);
 		NB.encodeInt64(b, o + 16, w3);
@@ -323,7 +323,7 @@
 	 * @param o
 	 *            the offset within b to write at.
 	 */
-	public void copyRawTo(final long[] b, final int o) {
+	public void copyRawTo(long[] b, int o) {
 		b[o] = w1;
 		b[o + 1] = w2;
 		b[o + 2] = w3;
@@ -338,14 +338,14 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyRawTo(final OutputStream w) throws IOException {
+	public void copyRawTo(OutputStream w) throws IOException {
 		writeRawLong(w, w1);
 		writeRawLong(w, w2);
 		writeRawLong(w, w3);
 		writeRawLong(w, w4);
 	}
 
-	private static void writeRawLong(final OutputStream w, long v)
+	private static void writeRawLong(OutputStream w, long v)
 			throws IOException {
 		w.write((int) (v >>> 56));
 		w.write((int) (v >>> 48));
@@ -365,7 +365,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final OutputStream w) throws IOException {
+	public void copyTo(OutputStream w) throws IOException {
 		w.write(toHexByteArray());
 	}
 
@@ -406,7 +406,7 @@
 	private static final byte[] hexbyte = { '0', '1', '2', '3', '4', '5', '6',
 			'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 
-	private static void formatHexByte(final byte[] dst, final int p, long w) {
+	private static void formatHexByte(byte[] dst, int p, long w) {
 		int o = p + 15;
 		while (o >= p && w != 0) {
 			dst[o--] = hexbyte[(int) (w & 0xf)];
@@ -424,7 +424,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final Writer w) throws IOException {
+	public void copyTo(Writer w) throws IOException {
 		w.write(toHexCharArray());
 	}
 
@@ -440,7 +440,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final char[] tmp, final Writer w) throws IOException {
+	public void copyTo(char[] tmp, Writer w) throws IOException {
 		toHexCharArray(tmp);
 		w.write(tmp, 0, Constants.LONG_OBJECT_ID_STRING_LENGTH);
 	}
@@ -455,7 +455,7 @@
 	 * @param w
 	 *            the string to append onto.
 	 */
-	public void copyTo(final char[] tmp, final StringBuilder w) {
+	public void copyTo(char[] tmp, StringBuilder w) {
 		toHexCharArray(tmp);
 		w.append(tmp, 0, Constants.LONG_OBJECT_ID_STRING_LENGTH);
 	}
@@ -466,7 +466,7 @@
 		return dst;
 	}
 
-	private void toHexCharArray(final char[] dst) {
+	private void toHexCharArray(char[] dst) {
 		formatHexChar(dst, 0, w1);
 		formatHexChar(dst, 16, w2);
 		formatHexChar(dst, 32, w3);
@@ -476,7 +476,7 @@
 	private static final char[] hexchar = { '0', '1', '2', '3', '4', '5', '6',
 			'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 
-	static void formatHexChar(final char[] dst, final int p, long w) {
+	static void formatHexChar(char[] dst, int p, long w) {
 		int o = p + 15;
 		while (o >= p && w != 0) {
 			dst[o--] = hexchar[(int) (w & 0xf)];
@@ -524,7 +524,7 @@
 	 *            length of the abbreviated string.
 	 * @return SHA-256 abbreviation.
 	 */
-	public AbbreviatedLongObjectId abbreviate(final int len) {
+	public AbbreviatedLongObjectId abbreviate(int len) {
 		final long a = AbbreviatedLongObjectId.mask(len, 1, w1);
 		final long b = AbbreviatedLongObjectId.mask(len, 2, w2);
 		final long c = AbbreviatedLongObjectId.mask(len, 3, w3);
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
index ec1e179..8159576 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/LongObjectId.java
@@ -90,7 +90,7 @@
 	 *            the string to test.
 	 * @return true if the string can converted into an LongObjectId.
 	 */
-	public static final boolean isId(final String id) {
+	public static final boolean isId(String id) {
 		if (id.length() != Constants.LONG_OBJECT_ID_STRING_LENGTH)
 			return false;
 		try {
@@ -110,7 +110,7 @@
 	 *            the id to convert. May be null.
 	 * @return the hex string conversion of this id's content.
 	 */
-	public static final String toString(final LongObjectId i) {
+	public static final String toString(LongObjectId i) {
 		return i != null ? i.name() : ZEROID_STR;
 	}
 
@@ -173,7 +173,7 @@
 	 *            available within this byte array.
 	 * @return the converted object id.
 	 */
-	public static final LongObjectId fromRaw(final byte[] bs) {
+	public static final LongObjectId fromRaw(byte[] bs) {
 		return fromRaw(bs, 0);
 	}
 
@@ -187,7 +187,7 @@
 	 *            position to read the first byte of data from.
 	 * @return the converted object id.
 	 */
-	public static final LongObjectId fromRaw(final byte[] bs, final int p) {
+	public static final LongObjectId fromRaw(byte[] bs, int p) {
 		final long a = NB.decodeInt64(bs, p);
 		final long b = NB.decodeInt64(bs, p + 8);
 		final long c = NB.decodeInt64(bs, p + 16);
@@ -203,7 +203,7 @@
 	 *            available within this long array.
 	 * @return the converted object id.
 	 */
-	public static final LongObjectId fromRaw(final long[] is) {
+	public static final LongObjectId fromRaw(long[] is) {
 		return fromRaw(is, 0);
 	}
 
@@ -217,7 +217,7 @@
 	 *            position to read the first long of data from.
 	 * @return the converted object id.
 	 */
-	public static final LongObjectId fromRaw(final long[] is, final int p) {
+	public static final LongObjectId fromRaw(long[] is, int p) {
 		return new LongObjectId(is[p], is[p + 1], is[p + 2], is[p + 3]);
 	}
 
@@ -231,7 +231,7 @@
 	 *            position to read the first character from.
 	 * @return the converted object id.
 	 */
-	public static final LongObjectId fromString(final byte[] buf, final int offset) {
+	public static final LongObjectId fromString(byte[] buf, int offset) {
 		return fromHexString(buf, offset);
 	}
 
@@ -242,14 +242,14 @@
 	 *            the string to read from. Must be 64 characters long.
 	 * @return the converted object id.
 	 */
-	public static LongObjectId fromString(final String str) {
+	public static LongObjectId fromString(String str) {
 		if (str.length() != Constants.LONG_OBJECT_ID_STRING_LENGTH)
 			throw new InvalidLongObjectIdException(str);
 		return fromHexString(org.eclipse.jgit.lib.Constants.encodeASCII(str),
 				0);
 	}
 
-	private static final LongObjectId fromHexString(final byte[] bs, int p) {
+	private static final LongObjectId fromHexString(byte[] bs, int p) {
 		try {
 			final long a = RawParseUtils.parseHexInt64(bs, p);
 			final long b = RawParseUtils.parseHexInt64(bs, p + 16);
@@ -280,7 +280,7 @@
 	 * @param src
 	 *            another already parsed LongObjectId to copy the value out of.
 	 */
-	protected LongObjectId(final AnyLongObjectId src) {
+	protected LongObjectId(AnyLongObjectId src) {
 		w1 = src.w1;
 		w2 = src.w2;
 		w3 = src.w3;
diff --git a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
index 7b0c494..3d62490 100644
--- a/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
+++ b/org.eclipse.jgit.lfs/src/org/eclipse/jgit/lfs/lib/MutableLongObjectId.java
@@ -167,7 +167,7 @@
 	 *            the raw byte buffer to read from. At least 32 bytes must be
 	 *            available within this byte array.
 	 */
-	public void fromRaw(final byte[] bs) {
+	public void fromRaw(byte[] bs) {
 		fromRaw(bs, 0);
 	}
 
@@ -180,7 +180,7 @@
 	 * @param p
 	 *            position to read the first byte of data from.
 	 */
-	public void fromRaw(final byte[] bs, final int p) {
+	public void fromRaw(byte[] bs, int p) {
 		w1 = NB.decodeInt64(bs, p);
 		w2 = NB.decodeInt64(bs, p + 8);
 		w3 = NB.decodeInt64(bs, p + 16);
@@ -194,7 +194,7 @@
 	 *            the raw long buffer to read from. At least 4 longs must be
 	 *            available within this longs array.
 	 */
-	public void fromRaw(final long[] longs) {
+	public void fromRaw(long[] longs) {
 		fromRaw(longs, 0);
 	}
 
@@ -207,7 +207,7 @@
 	 * @param p
 	 *            position to read the first integer of data from.
 	 */
-	public void fromRaw(final long[] longs, final int p) {
+	public void fromRaw(long[] longs, int p) {
 		w1 = longs[p];
 		w2 = longs[p + 1];
 		w3 = longs[p + 2];
@@ -223,7 +223,7 @@
 	 * @param offset
 	 *            position to read the first character from.
 	 */
-	public void fromString(final byte[] buf, final int offset) {
+	public void fromString(byte[] buf, int offset) {
 		fromHexString(buf, offset);
 	}
 
@@ -233,14 +233,14 @@
 	 * @param str
 	 *            the string to read from. Must be 64 characters long.
 	 */
-	public void fromString(final String str) {
+	public void fromString(String str) {
 		if (str.length() != Constants.LONG_OBJECT_ID_STRING_LENGTH)
 			throw new IllegalArgumentException(
 					MessageFormat.format(LfsText.get().invalidLongId, str));
 		fromHexString(org.eclipse.jgit.lib.Constants.encodeASCII(str), 0);
 	}
 
-	private void fromHexString(final byte[] bs, int p) {
+	private void fromHexString(byte[] bs, int p) {
 		try {
 			w1 = RawParseUtils.parseHexInt64(bs, p);
 			w2 = RawParseUtils.parseHexInt64(bs, p + 16);
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.properties
index 369e307..169ef7e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.properties
@@ -35,125 +35,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
index 2a5460c..d09852b 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/pom.xml
index 5e2ce20..a9a58af 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.properties
index b9b5cce..480e9c3 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.properties
@@ -35,125 +35,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml
index f5cd50b..485fd6b 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.http.apache"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/pom.xml
index f14606f..d148ac3 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.http.apache.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.properties
index 4450bbb..291b29e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.properties
@@ -36,125 +36,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml
index d51d1ec..6551330 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.junit"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/pom.xml
index 6733dd8..f65326e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.junit.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.properties
index c5bffa8..8387585 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.properties
@@ -35,125 +35,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
 ########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml
index 253f515..72e15da 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.lfs"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/pom.xml
index a4ef0dc..35a4fda 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.lfs.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.properties
index 8992ad3..ef9031e 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.properties
@@ -35,125 +35,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml
index b13bba9..18a7d1a 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.pgm"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
@@ -31,8 +31,8 @@
          version="0.0.0"/>
 
    <requires>
-      <import feature="org.eclipse.jgit" version="4.11.10" match="equivalent"/>
-      <import feature="org.eclipse.jgit.lfs" version="4.11.10" match="equivalent"/>
+      <import feature="org.eclipse.jgit" version="5.0.4" match="equivalent"/>
+      <import feature="org.eclipse.jgit.lfs" version="5.0.4" match="equivalent"/>
    </requires>
 
    <plugin
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/pom.xml
index 99a30c8..73a7d3f 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.properties
index 012c217..73701b2 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.properties
@@ -16,7 +16,7 @@
 # description property - text of the "Feature Description"
 description=\
 Do not install in your IDE: this feature is meant to provision Target Platforms.\n\
-Source code for the support for PDE's JUnit runner for a Target Platform\n\
+Source code for the support for PDE's JUnit runner for a Target Platform\n
 ################ end of description property ##################################
 
 # "copyright" property - text of the "Feature Update Copyright"
@@ -36,125 +36,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.xml
index 3faf799..810d018 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.pgm.source"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/pom.xml
index 1f4d7b3..88b8ce9 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.pgm.source.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/pom.xml
index 3bbf7a9..c8c3b51 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.repository/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.repository</artifactId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.properties b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.properties
index 9843e23..c04dc63 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.properties
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.properties
@@ -36,125 +36,143 @@
 # should be plain text version of license agreement pointed to be "licenseURL"
 license=\
 Eclipse Foundation Software User Agreement\n\
-April 9, 2014\n\
+\n\
+November 22, 2017\n\
 \n\
 Usage Of Content\n\
 \n\
-THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR\n\
-OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT").\n\
-USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS\n\
-AGREEMENT AND/OR THE TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR\n\
-NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU\n\
-AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED BY THIS AGREEMENT\n\
-AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS\n\
-OR NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE\n\
-TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS\n\
-OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
-BELOW, THEN YOU MAY NOT USE THE CONTENT.\n\
+THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION\n\
+AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS (COLLECTIVELY "CONTENT"). USE OF\n\
+THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE\n\
+TERMS AND CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED\n\
+BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS GOVERNED\n\
+BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE\n\
+AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW. IF YOU DO NOT AGREE TO THE\n\
+TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND CONDITIONS OF ANY\n\
+APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU\n\
+MAY NOT USE THE CONTENT.\n\
 \n\
 Applicable Licenses\n\
 \n\
-Unless otherwise indicated, all Content made available by the\n\
-Eclipse Foundation is provided to you under the terms and conditions of\n\
-the Eclipse Public License Version 1.0 ("EPL"). A copy of the EPL is\n\
-provided with this Content and is also available at http://www.eclipse.org/legal/epl-v10.html.\n\
-For purposes of the EPL, "Program" will mean the Content.\n\
+Unless otherwise indicated, all Content made available by the Eclipse Foundation\n\
+is provided to you under the terms and conditions of the Eclipse Public License\n\
+Version 2.0 ("EPL"). A copy of the EPL is provided with this Content and is also\n\
+available at http://www.eclipse.org/legal/epl-2.0. For purposes of the EPL,\n\
+"Program" will mean the Content.\n\
 \n\
-Content includes, but is not limited to, source code, object code,\n\
-documentation and other files maintained in the Eclipse Foundation source code\n\
-repository ("Repository") in software modules ("Modules") and made available\n\
-as downloadable archives ("Downloads").\n\
+Content includes, but is not limited to, source code, object code, documentation\n\
+and other files maintained in the Eclipse Foundation source code repository\n\
+("Repository") in software modules ("Modules") and made available as\n\
+downloadable archives ("Downloads").\n\
 \n\
-       - Content may be structured and packaged into modules to facilitate delivering,\n\
-         extending, and upgrading the Content. Typical modules may include plug-ins ("Plug-ins"),\n\
-         plug-in fragments ("Fragments"), and features ("Features").\n\
-       - Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java(TM) ARchive)\n\
-         in a directory named "plugins".\n\
-       - A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.\n\
-         Each Feature may be packaged as a sub-directory in a directory named "features".\n\
-         Within a Feature, files named "feature.xml" may contain a list of the names and version\n\
-         numbers of the Plug-ins and/or Fragments associated with that Feature.\n\
-       - Features may also include other Features ("Included Features"). Within a Feature, files\n\
-         named "feature.xml" may contain a list of the names and version numbers of Included Features.\n\
+-   Content may be structured and packaged into modules to facilitate\n\
+    delivering, extending, and upgrading the Content. Typical modules may\n\
+    include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and\n\
+    features ("Features").\n\
+-   Each Plug-in or Fragment may be packaged as a sub-directory or JAR\n\
+    (Java™ ARchive) in a directory named "plugins".\n\
+-   A Feature is a bundle of one or more Plug-ins and/or Fragments and\n\
+    associated material. Each Feature may be packaged as a sub-directory in a\n\
+    directory named "features". Within a Feature, files named "feature.xml" may\n\
+    contain a list of the names and version numbers of the Plug-ins and/or\n\
+    Fragments associated with that Feature.\n\
+-   Features may also include other Features ("Included Features"). Within a\n\
+    Feature, files named "feature.xml" may contain a list of the names and\n\
+    version numbers of Included Features.\n\
 \n\
-The terms and conditions governing Plug-ins and Fragments should be\n\
-contained in files named "about.html" ("Abouts"). The terms and\n\
-conditions governing Features and Included Features should be contained\n\
-in files named "license.html" ("Feature Licenses"). Abouts and Feature\n\
-Licenses may be located in any directory of a Download or Module\n\
-including, but not limited to the following locations:\n\
+The terms and conditions governing Plug-ins and Fragments should be contained in\n\
+files named "about.html" ("Abouts"). The terms and conditions governing Features\n\
+and Included Features should be contained in files named "license.html"\n\
+("Feature Licenses"). Abouts and Feature Licenses may be located in any\n\
+directory of a Download or Module including, but not limited to the following\n\
+locations:\n\
 \n\
-       - The top-level (root) directory\n\
-       - Plug-in and Fragment directories\n\
-       - Inside Plug-ins and Fragments packaged as JARs\n\
-       - Sub-directories of the directory named "src" of certain Plug-ins\n\
-       - Feature directories\n\
+-   The top-level (root) directory\n\
+-   Plug-in and Fragment directories\n\
+-   Inside Plug-ins and Fragments packaged as JARs\n\
+-   Sub-directories of the directory named "src" of certain Plug-ins\n\
+-   Feature directories\n\
 \n\
-Note: if a Feature made available by the Eclipse Foundation is installed using the\n\
-Provisioning Technology (as defined below), you must agree to a license ("Feature \n\
-Update License") during the installation process. If the Feature contains\n\
-Included Features, the Feature Update License should either provide you\n\
-with the terms and conditions governing the Included Features or inform\n\
-you where you can locate them. Feature Update Licenses may be found in\n\
-the "license" property of files named "feature.properties" found within a Feature.\n\
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the\n\
-terms and conditions (or references to such terms and conditions) that\n\
-govern your use of the associated Content in that directory.\n\
+Note: if a Feature made available by the Eclipse Foundation is installed using\n\
+the Provisioning Technology (as defined below), you must agree to a license\n\
+("Feature Update License") during the installation process. If the Feature\n\
+contains Included Features, the Feature Update License should either provide you\n\
+with the terms and conditions governing the Included Features or inform you\n\
+where you can locate them. Feature Update Licenses may be found in the "license"\n\
+property of files named "feature.properties" found within a Feature. Such\n\
+Abouts, Feature Licenses, and Feature Update Licenses contain the terms and\n\
+conditions (or references to such terms and conditions) that govern your use of\n\
+the associated Content in that directory.\n\
 \n\
-THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER\n\
-TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.\n\
-SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
+THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL\n\
+OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS. SOME OF THESE\n\
+OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):\n\
 \n\
-       - Eclipse Distribution License Version 1.0 (available at http://www.eclipse.org/licenses/edl-v1.0.html)\n\
-       - Common Public License Version 1.0 (available at http://www.eclipse.org/legal/cpl-v10.html)\n\
-       - Apache Software License 1.1 (available at http://www.apache.org/licenses/LICENSE)\n\
-       - Apache Software License 2.0 (available at http://www.apache.org/licenses/LICENSE-2.0)\n\
-       - Mozilla Public License Version 1.1 (available at http://www.mozilla.org/MPL/MPL-1.1.html)\n\
+-   Eclipse Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/epl-v10.html)\n\
+-   Eclipse Distribution License Version 1.0 (available at\n\
+    http://www.eclipse.org/licenses/edl-v1.0.html)\n\
+-   Common Public License Version 1.0 (available at\n\
+    http://www.eclipse.org/legal/cpl-v10.html)\n\
+-   Apache Software License 1.1 (available at\n\
+    http://www.apache.org/licenses/LICENSE)\n\
+-   Apache Software License 2.0 (available at\n\
+    http://www.apache.org/licenses/LICENSE-2.0)\n\
+-   Mozilla Public License Version 1.1 (available at\n\
+    http://www.mozilla.org/MPL/MPL-1.1.html)\n\
 \n\
-IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR\n\
-TO USE OF THE CONTENT. If no About, Feature License, or Feature Update License\n\
-is provided, please contact the Eclipse Foundation to determine what terms and conditions\n\
-govern that particular Content.\n\
+IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO\n\
+USE OF THE CONTENT. If no About, Feature License, or Feature Update License is\n\
+provided, please contact the Eclipse Foundation to determine what terms and\n\
+conditions govern that particular Content.\n\
 \n\
-\n\Use of Provisioning Technology\n\
+Use of Provisioning Technology\n\
 \n\
-The Eclipse Foundation makes available provisioning software, examples of which include,\n\
-but are not limited to, p2 and the Eclipse Update Manager ("Provisioning Technology") for\n\
-the purpose of allowing users to install software, documentation, information and/or\n\
-other materials (collectively "Installable Software"). This capability is provided with\n\
-the intent of allowing such users to install, extend and update Eclipse-based products.\n\
-Information about packaging Installable Software is available at\n\
+The Eclipse Foundation makes available provisioning software, examples of which\n\
+include, but are not limited to, p2 and the Eclipse Update Manager\n\
+("Provisioning Technology") for the purpose of allowing users to install\n\
+software, documentation, information and/or other materials (collectively\n\
+"Installable Software"). This capability is provided with the intent of allowing\n\
+such users to install, extend and update Eclipse-based products. Information\n\
+about packaging Installable Software is available at\n\
 http://eclipse.org/equinox/p2/repository_packaging.html ("Specification").\n\
 \n\
-You may use Provisioning Technology to allow other parties to install Installable Software.\n\
-You shall be responsible for enabling the applicable license agreements relating to the\n\
-Installable Software to be presented to, and accepted by, the users of the Provisioning Technology\n\
-in accordance with the Specification. By using Provisioning Technology in such a manner and\n\
-making it available in accordance with the Specification, you further acknowledge your\n\
-agreement to, and the acquisition of all necessary rights to permit the following:\n\
+You may use Provisioning Technology to allow other parties to install\n\
+Installable Software. You shall be responsible for enabling the applicable\n\
+license agreements relating to the Installable Software to be presented to, and\n\
+accepted by, the users of the Provisioning Technology in accordance with the\n\
+Specification. By using Provisioning Technology in such a manner and making it\n\
+available in accordance with the Specification, you further acknowledge your\n\
+agreement to, and the acquisition of all necessary rights to permit the\n\
+following:\n\
 \n\
-       1. A series of actions may occur ("Provisioning Process") in which a user may execute\n\
-          the Provisioning Technology on a machine ("Target Machine") with the intent of installing,\n\
-          extending or updating the functionality of an Eclipse-based product.\n\
-       2. During the Provisioning Process, the Provisioning Technology may cause third party\n\
-          Installable Software or a portion thereof to be accessed and copied to the Target Machine.\n\
-       3. Pursuant to the Specification, you will provide to the user the terms and conditions that\n\
-          govern the use of the Installable Software ("Installable Software Agreement") and such\n\
-          Installable Software Agreement shall be accessed from the Target Machine in accordance\n\
-          with the Specification. Such Installable Software Agreement must inform the user of the\n\
-          terms and conditions that govern the Installable Software and must solicit acceptance by\n\
-          the end user in the manner prescribed in such Installable Software Agreement. Upon such\n\
-          indication of agreement by the user, the provisioning Technology will complete installation\n\
-          of the Installable Software.\n\
+1.  A series of actions may occur ("Provisioning Process") in which a user may\n\
+    execute the Provisioning Technology on a machine ("Target Machine") with the\n\
+    intent of installing, extending or updating the functionality of an\n\
+    Eclipse-based product.\n\
+2.  During the Provisioning Process, the Provisioning Technology may cause third\n\
+    party Installable Software or a portion thereof to be accessed and copied to\n\
+    the Target Machine.\n\
+3.  Pursuant to the Specification, you will provide to the user the terms and\n\
+    conditions that govern the use of the Installable Software ("Installable\n\
+    Software Agreement") and such Installable Software Agreement shall be\n\
+    accessed from the Target Machine in accordance with the Specification. Such\n\
+    Installable Software Agreement must inform the user of the terms and\n\
+    conditions that govern the Installable Software and must solicit acceptance\n\
+    by the end user in the manner prescribed in such Installable\n\
+    Software Agreement. Upon such indication of agreement by the user, the\n\
+    provisioning Technology will complete installation of the\n\
+    Installable Software.\n\
 \n\
 Cryptography\n\
 \n\
-Content may contain encryption software. The country in which you are\n\
-currently may have restrictions on the import, possession, and use,\n\
-and/or re-export to another country, of encryption software. BEFORE\n\
-using any encryption software, please check the country's laws,\n\
-regulations and policies concerning the import, possession, or use, and\n\
-re-export of encryption software, to see if this is permitted.\n\
+Content may contain encryption software. The country in which you are currently\n\
+may have restrictions on the import, possession, and use, and/or re-export to\n\
+another country, of encryption software. BEFORE using any encryption software,\n\
+please check the country's laws, regulations and policies concerning the import,\n\
+possession, or use, and re-export of encryption software, to see if this is\n\
+permitted.\n\
 \n\
-Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.\n
-########### end of license property ##########################################
\ No newline at end of file
+Java and all Java-based trademarks are trademarks of Oracle Corporation in the\n\
+United States, other countries, or both.\n
+########### end of license property ##########################################
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml
index 553c46d..12d6fe3 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/feature.xml
@@ -2,7 +2,7 @@
 <feature
       id="org.eclipse.jgit.source"
       label="%featureName"
-      version="4.11.10.qualifier"
+      version="5.0.4.qualifier"
       provider-name="%providerName">
 
    <description url="http://www.eclipse.org/jgit/">
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/license.html b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/license.html
index 95ad95e..008b801 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/license.html
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/license.html
@@ -1,106 +1,189 @@
+<?xml version="1.0" encoding="ISO-8859-1" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
-<!-- saved from url=(0044)http://www.eclipse.org/legal/epl/notice.html -->
-<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
-
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
 <title>Eclipse Foundation Software User Agreement</title>
 </head>
 
 <body lang="EN-US">
-<h2>Eclipse Foundation Software User Agreement</h2>
-<p>April 9, 2014</p>
+	<h2>Eclipse Foundation Software User Agreement</h2>
+	<p>November 22, 2017</p>
 
-<h3>Usage Of Content</h3>
+	<h3>Usage Of Content</h3>
 
-<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION, INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
-   (COLLECTIVELY "CONTENT").  USE OF THE CONTENT IS GOVERNED BY THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
-   CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW.  BY USING THE CONTENT, YOU AGREE THAT YOUR USE
-   OF THE CONTENT IS GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR
-   NOTICES INDICATED OR REFERENCED BELOW.  IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS AGREEMENT AND THE TERMS AND
-   CONDITIONS OF ANY APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT USE THE CONTENT.</p>
+	<p>THE ECLIPSE FOUNDATION MAKES AVAILABLE SOFTWARE, DOCUMENTATION,
+		INFORMATION AND/OR OTHER MATERIALS FOR OPEN SOURCE PROJECTS
+		(COLLECTIVELY &quot;CONTENT&quot;). USE OF THE CONTENT IS GOVERNED BY
+		THE TERMS AND CONDITIONS OF THIS AGREEMENT AND/OR THE TERMS AND
+		CONDITIONS OF LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. BY USING THE CONTENT, YOU AGREE THAT YOUR USE OF THE CONTENT IS
+		GOVERNED BY THIS AGREEMENT AND/OR THE TERMS AND CONDITIONS OF ANY
+		APPLICABLE LICENSE AGREEMENTS OR NOTICES INDICATED OR REFERENCED
+		BELOW. IF YOU DO NOT AGREE TO THE TERMS AND CONDITIONS OF THIS
+		AGREEMENT AND THE TERMS AND CONDITIONS OF ANY APPLICABLE LICENSE
+		AGREEMENTS OR NOTICES INDICATED OR REFERENCED BELOW, THEN YOU MAY NOT
+		USE THE CONTENT.</p>
 
-<h3>Applicable Licenses</h3>
+	<h3>Applicable Licenses</h3>
 
-<p>Unless otherwise indicated, all Content made available by the Eclipse Foundation is provided to you under the terms and conditions of the Eclipse Public License Version 1.0
-   ("EPL").  A copy of the EPL is provided with this Content and is also available at <a href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.
-   For purposes of the EPL, "Program" will mean the Content.</p>
+	<p>
+		Unless otherwise indicated, all Content made available by the Eclipse
+		Foundation is provided to you under the terms and conditions of the
+		Eclipse Public License Version 2.0 (&quot;EPL&quot;). A copy of the
+		EPL is provided with this Content and is also available at <a
+			href="http://www.eclipse.org/legal/epl-2.0">http://www.eclipse.org/legal/epl-2.0</a>.
+		For purposes of the EPL, &quot;Program&quot; will mean the Content.
+	</p>
 
-<p>Content includes, but is not limited to, source code, object code, documentation and other files maintained in the Eclipse Foundation source code
-   repository ("Repository") in software modules ("Modules") and made available as downloadable archives ("Downloads").</p>
+	<p>Content includes, but is not limited to, source code, object
+		code, documentation and other files maintained in the Eclipse
+		Foundation source code repository (&quot;Repository&quot;) in software
+		modules (&quot;Modules&quot;) and made available as downloadable
+		archives (&quot;Downloads&quot;).</p>
 
-<ul>
-       <li>Content may be structured and packaged into modules to facilitate delivering, extending, and upgrading the Content.  Typical modules may include plug-ins ("Plug-ins"), plug-in fragments ("Fragments"), and features ("Features").</li>
-       <li>Each Plug-in or Fragment may be packaged as a sub-directory or JAR (Java™ ARchive) in a directory named "plugins".</li>
-       <li>A Feature is a bundle of one or more Plug-ins and/or Fragments and associated material.  Each Feature may be packaged as a sub-directory in a directory named "features".  Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of the Plug-ins
-      and/or Fragments associated with that Feature.</li>
-       <li>Features may also include other Features ("Included Features"). Within a Feature, files named "feature.xml" may contain a list of the names and version numbers of Included Features.</li>
-</ul>
+	<ul>
+		<li>Content may be structured and packaged into modules to
+			facilitate delivering, extending, and upgrading the Content. Typical
+			modules may include plug-ins (&quot;Plug-ins&quot;), plug-in
+			fragments (&quot;Fragments&quot;), and features
+			(&quot;Features&quot;).</li>
+		<li>Each Plug-in or Fragment may be packaged as a sub-directory
+			or JAR (Java&trade; ARchive) in a directory named
+			&quot;plugins&quot;.</li>
+		<li>A Feature is a bundle of one or more Plug-ins and/or
+			Fragments and associated material. Each Feature may be packaged as a
+			sub-directory in a directory named &quot;features&quot;. Within a
+			Feature, files named &quot;feature.xml&quot; may contain a list of
+			the names and version numbers of the Plug-ins and/or Fragments
+			associated with that Feature.</li>
+		<li>Features may also include other Features (&quot;Included
+			Features&quot;). Within a Feature, files named
+			&quot;feature.xml&quot; may contain a list of the names and version
+			numbers of Included Features.</li>
+	</ul>
 
-<p>The terms and conditions governing Plug-ins and Fragments should be contained in files named "about.html" ("Abouts"). The terms and conditions governing Features and
-Included Features should be contained in files named "license.html" ("Feature Licenses").  Abouts and Feature Licenses may be located in any directory of a Download or Module
-including, but not limited to the following locations:</p>
+	<p>The terms and conditions governing Plug-ins and Fragments should
+		be contained in files named &quot;about.html&quot;
+		(&quot;Abouts&quot;). The terms and conditions governing Features and
+		Included Features should be contained in files named
+		&quot;license.html&quot; (&quot;Feature Licenses&quot;). Abouts and
+		Feature Licenses may be located in any directory of a Download or
+		Module including, but not limited to the following locations:</p>
 
-<ul>
-       <li>The top-level (root) directory</li>
-       <li>Plug-in and Fragment directories</li>
-       <li>Inside Plug-ins and Fragments packaged as JARs</li>
-       <li>Sub-directories of the directory named "src" of certain Plug-ins</li>
-       <li>Feature directories</li>
-</ul>
+	<ul>
+		<li>The top-level (root) directory</li>
+		<li>Plug-in and Fragment directories</li>
+		<li>Inside Plug-ins and Fragments packaged as JARs</li>
+		<li>Sub-directories of the directory named &quot;src&quot; of
+			certain Plug-ins</li>
+		<li>Feature directories</li>
+	</ul>
 
-<p>Note: if a Feature made available by the Eclipse Foundation is installed using the Provisioning Technology (as defined below), you must agree to a license ("Feature Update License") during the
-installation process.  If the Feature contains Included Features, the Feature Update License should either provide you with the terms and conditions governing the Included Features or
-inform you where you can locate them.  Feature Update Licenses may be found in the "license" property of files named "feature.properties" found within a Feature.
-Such Abouts, Feature Licenses, and Feature Update Licenses contain the terms and conditions (or references to such terms and conditions) that govern your use of the associated Content in
-that directory.</p>
+	<p>Note: if a Feature made available by the Eclipse Foundation is
+		installed using the Provisioning Technology (as defined below), you
+		must agree to a license (&quot;Feature Update License&quot;) during
+		the installation process. If the Feature contains Included Features,
+		the Feature Update License should either provide you with the terms
+		and conditions governing the Included Features or inform you where you
+		can locate them. Feature Update Licenses may be found in the
+		&quot;license&quot; property of files named
+		&quot;feature.properties&quot; found within a Feature. Such Abouts,
+		Feature Licenses, and Feature Update Licenses contain the terms and
+		conditions (or references to such terms and conditions) that govern
+		your use of the associated Content in that directory.</p>
 
-<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND CONDITIONS.  SOME OF THESE
-OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT ARE NOT LIMITED TO):</p>
+	<p>THE ABOUTS, FEATURE LICENSES, AND FEATURE UPDATE LICENSES MAY
+		REFER TO THE EPL OR OTHER LICENSE AGREEMENTS, NOTICES OR TERMS AND
+		CONDITIONS. SOME OF THESE OTHER LICENSE AGREEMENTS MAY INCLUDE (BUT
+		ARE NOT LIMITED TO):</p>
 
-<ul>
-       <li>Eclipse Distribution License Version 1.0 (available at <a href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)</li>
-       <li>Common Public License Version 1.0 (available at <a href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)</li>
-       <li>Apache Software License 1.1 (available at <a href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)</li>
-       <li>Apache Software License 2.0 (available at <a href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)</li>
-       <li>Mozilla Public License Version 1.1 (available at <a href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)</li>
-</ul>
+	<ul>
+		<li>Eclipse Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>)
+		</li>
+		<li>Eclipse Distribution License Version 1.0 (available at <a
+			href="http://www.eclipse.org/licenses/edl-v10.html">http://www.eclipse.org/licenses/edl-v1.0.html</a>)
+		</li>
+		<li>Common Public License Version 1.0 (available at <a
+			href="http://www.eclipse.org/legal/cpl-v10.html">http://www.eclipse.org/legal/cpl-v10.html</a>)
+		</li>
+		<li>Apache Software License 1.1 (available at <a
+			href="http://www.apache.org/licenses/LICENSE">http://www.apache.org/licenses/LICENSE</a>)
+		</li>
+		<li>Apache Software License 2.0 (available at <a
+			href="http://www.apache.org/licenses/LICENSE-2.0">http://www.apache.org/licenses/LICENSE-2.0</a>)
+		</li>
+		<li>Mozilla Public License Version 1.1 (available at <a
+			href="http://www.mozilla.org/MPL/MPL-1.1.html">http://www.mozilla.org/MPL/MPL-1.1.html</a>)
+		</li>
+	</ul>
 
-<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND CONDITIONS PRIOR TO USE OF THE CONTENT.  If no About, Feature License, or Feature Update License is provided, please
-contact the Eclipse Foundation to determine what terms and conditions govern that particular Content.</p>
+	<p>IT IS YOUR OBLIGATION TO READ AND ACCEPT ALL SUCH TERMS AND
+		CONDITIONS PRIOR TO USE OF THE CONTENT. If no About, Feature License,
+		or Feature Update License is provided, please contact the Eclipse
+		Foundation to determine what terms and conditions govern that
+		particular Content.</p>
 
 
-<h3>Use of Provisioning Technology</h3>
+	<h3>Use of Provisioning Technology</h3>
 
-<p>The Eclipse Foundation makes available provisioning software, examples of which include, but are not limited to, p2 and the Eclipse
-   Update Manager ("Provisioning Technology") for the purpose of allowing users to install software, documentation, information and/or
-   other materials (collectively "Installable Software"). This capability is provided with the intent of allowing such users to
-   install, extend and update Eclipse-based products. Information about packaging Installable Software is available at <a href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
-   ("Specification").</p>
+	<p>
+		The Eclipse Foundation makes available provisioning software, examples
+		of which include, but are not limited to, p2 and the Eclipse Update
+		Manager (&quot;Provisioning Technology&quot;) for the purpose of
+		allowing users to install software, documentation, information and/or
+		other materials (collectively &quot;Installable Software&quot;). This
+		capability is provided with the intent of allowing such users to
+		install, extend and update Eclipse-based products. Information about
+		packaging Installable Software is available at <a
+			href="http://eclipse.org/equinox/p2/repository_packaging.html">http://eclipse.org/equinox/p2/repository_packaging.html</a>
+		(&quot;Specification&quot;).
+	</p>
 
-<p>You may use Provisioning Technology to allow other parties to install Installable Software. You shall be responsible for enabling the
-   applicable license agreements relating to the Installable Software to be presented to, and accepted by, the users of the Provisioning Technology
-   in accordance with the Specification. By using Provisioning Technology in such a manner and making it available in accordance with the
-   Specification, you further acknowledge your agreement to, and the acquisition of all necessary rights to permit the following:</p>
+	<p>You may use Provisioning Technology to allow other parties to
+		install Installable Software. You shall be responsible for enabling
+		the applicable license agreements relating to the Installable Software
+		to be presented to, and accepted by, the users of the Provisioning
+		Technology in accordance with the Specification. By using Provisioning
+		Technology in such a manner and making it available in accordance with
+		the Specification, you further acknowledge your agreement to, and the
+		acquisition of all necessary rights to permit the following:</p>
 
-<ol>
-       <li>A series of actions may occur ("Provisioning Process") in which a user may execute the Provisioning Technology
-       on a machine ("Target Machine") with the intent of installing, extending or updating the functionality of an Eclipse-based
-       product.</li>
-       <li>During the Provisioning Process, the Provisioning Technology may cause third party Installable Software or a portion thereof to be
-       accessed and copied to the Target Machine.</li>
-       <li>Pursuant to the Specification, you will provide to the user the terms and conditions that govern the use of the Installable
-       Software ("Installable Software Agreement") and such Installable Software Agreement shall be accessed from the Target
-       Machine in accordance with the Specification. Such Installable Software Agreement must inform the user of the terms and conditions that govern
-       the Installable Software and must solicit acceptance by the end user in the manner prescribed in such Installable Software Agreement. Upon such
-       indication of agreement by the user, the provisioning Technology will complete installation of the Installable Software.</li>
-</ol>
+	<ol>
+		<li>A series of actions may occur (&quot;Provisioning
+			Process&quot;) in which a user may execute the Provisioning
+			Technology on a machine (&quot;Target Machine&quot;) with the intent
+			of installing, extending or updating the functionality of an
+			Eclipse-based product.</li>
+		<li>During the Provisioning Process, the Provisioning Technology
+			may cause third party Installable Software or a portion thereof to be
+			accessed and copied to the Target Machine.</li>
+		<li>Pursuant to the Specification, you will provide to the user
+			the terms and conditions that govern the use of the Installable
+			Software (&quot;Installable Software Agreement&quot;) and such
+			Installable Software Agreement shall be accessed from the Target
+			Machine in accordance with the Specification. Such Installable
+			Software Agreement must inform the user of the terms and conditions
+			that govern the Installable Software and must solicit acceptance by
+			the end user in the manner prescribed in such Installable Software
+			Agreement. Upon such indication of agreement by the user, the
+			provisioning Technology will complete installation of the Installable
+			Software.</li>
+	</ol>
 
-<h3>Cryptography</h3>
+	<h3>Cryptography</h3>
 
-<p>Content may contain encryption software. The country in which you are currently may have restrictions on the import, possession, and use, and/or re-export to
-   another country, of encryption software. BEFORE using any encryption software, please check the country's laws, regulations and policies concerning the import,
-   possession, or use, and re-export of encryption software, to see if this is permitted.</p>
+	<p>Content may contain encryption software. The country in which
+		you are currently may have restrictions on the import, possession, and
+		use, and/or re-export to another country, of encryption software.
+		BEFORE using any encryption software, please check the country's laws,
+		regulations and policies concerning the import, possession, or use,
+		and re-export of encryption software, to see if this is permitted.</p>
 
-<p><small>Java and all Java-based trademarks are trademarks of Oracle Corporation in the United States, other countries, or both.</small></p>
-
-
-</body></html>
\ No newline at end of file
+	<p>
+		<small>Java and all Java-based trademarks are trademarks of
+			Oracle Corporation in the United States, other countries, or both.</small>
+	</p>
+</body>
+</html>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/pom.xml
index 5d4cd8c..7c83241 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.source.feature/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <groupId>org.eclipse.jgit.feature</groupId>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/META-INF/MANIFEST.MF b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/META-INF/MANIFEST.MF
index 2d47f4b..fc7dfa6 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/META-INF/MANIFEST.MF
@@ -2,4 +2,4 @@
 Bundle-ManifestVersion: 2
 Bundle-Name: JGit Target Platform Bundle
 Bundle-SymbolicName: org.eclipse.jgit.target
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
index 0c1d5bb..dfb5a8f 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.5.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.5" sequenceNumber="1535176347">
+<target name="jgit-4.5" sequenceNumber="1535179254">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -39,6 +39,7 @@
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
+      <unit id="org.hamcrest" version="1.1.0.v20090501071000"/>
       <unit id="org.hamcrest.core" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
index e05c410..dbfd694 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.6.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.6" sequenceNumber="1535176335">
+<target name="jgit-4.6" sequenceNumber="1535179241">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -39,6 +39,7 @@
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
+      <unit id="org.hamcrest" version="1.1.0.v20090501071000"/>
       <unit id="org.hamcrest.core" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
index 20b0a29..be7719d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.7.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.7" sequenceNumber="1535176314">
+<target name="jgit-4.7" sequenceNumber="1535179221">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -39,6 +39,7 @@
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
+      <unit id="org.hamcrest" version="1.1.0.v20090501071000"/>
       <unit id="org.hamcrest.core" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
index b84fc20..3de172b 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/jgit-4.8.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/mbarbero/fr.obeo.releng.targetplatform -->
-<target name="jgit-4.8" sequenceNumber="1535176301">
+<target name="jgit-4.8" sequenceNumber="1535179205">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="true" includeConfigurePhase="true" type="InstallableUnit">
       <unit id="org.eclipse.jetty.client" version="9.4.8.v20171121"/>
@@ -39,6 +39,7 @@
       <unit id="org.apache.log4j.source" version="1.2.15.v201012070815"/>
       <unit id="org.kohsuke.args4j" version="2.33.0.v20160323-2218"/>
       <unit id="org.kohsuke.args4j.source" version="2.33.0.v20160323-2218"/>
+      <unit id="org.hamcrest" version="1.1.0.v20090501071000"/>
       <unit id="org.hamcrest.core" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.core.source" version="1.3.0.v20180420-1519"/>
       <unit id="org.hamcrest.library" version="1.3.0.v20180524-2246"/>
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20180606145124-Photon.tpd b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20180606145124-Photon.tpd
index f4ec50d..ecec41d 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20180606145124-Photon.tpd
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/orbit/R20180606145124-Photon.tpd
@@ -18,6 +18,7 @@
 	org.apache.log4j.source [1.2.15.v201012070815,1.2.15.v201012070815]
 	org.kohsuke.args4j [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
 	org.kohsuke.args4j.source [2.33.0.v20160323-2218,2.33.0.v20160323-2218]
+	org.hamcrest [1.1.0.v20090501071000,1.1.0.v20090501071000]
 	org.hamcrest.core [1.3.0.v20180420-1519,1.3.0.v20180420-1519]
 	org.hamcrest.core.source [1.3.0.v20180420-1519,1.3.0.v20180420-1519]
 	org.hamcrest.library [1.3.0.v20180524-2246,1.3.0.v20180524-2246]
@@ -44,4 +45,4 @@
 	org.slf4j.impl.log4j12.source [1.7.2.v20131105-2200,1.7.2.v20131105-2200]
 	com.jcraft.jzlib [1.1.1.v201205102305,1.1.1.v201205102305]
 	com.jcraft.jzlib.source [1.1.1.v201205102305,1.1.1.v201205102305]
-}
\ No newline at end of file
+}
diff --git a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/pom.xml b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/pom.xml
index a324d0b..3c60a83 100644
--- a/org.eclipse.jgit.packaging/org.eclipse.jgit.target/pom.xml
+++ b/org.eclipse.jgit.packaging/org.eclipse.jgit.target/pom.xml
@@ -49,7 +49,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>jgit.tycho.parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.target</artifactId>
diff --git a/org.eclipse.jgit.packaging/pom.xml b/org.eclipse.jgit.packaging/pom.xml
index d13cf30..3cb21c1 100644
--- a/org.eclipse.jgit.packaging/pom.xml
+++ b/org.eclipse.jgit.packaging/pom.xml
@@ -53,7 +53,7 @@
 
   <groupId>org.eclipse.jgit</groupId>
   <artifactId>jgit.tycho.parent</artifactId>
-  <version>4.11.10-SNAPSHOT</version>
+  <version>5.0.4-SNAPSHOT</version>
   <packaging>pom</packaging>
 
   <name>JGit Tycho Parent</name>
diff --git a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
index 292509b..39910ce 100644
--- a/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.pgm.test/META-INF/MANIFEST.MF
@@ -3,28 +3,28 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.pgm.test
 Bundle-SymbolicName: org.eclipse.jgit.pgm.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Import-Package: org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.diff;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.dircache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="4.11.10",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.merge;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.pgm;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.pgm.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.pgm.opt;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.io;version="[4.11.10,4.12.0)",
+Import-Package: org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.diff;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.dircache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="5.0.4",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.merge;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.pgm;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.pgm.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.pgm.opt;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.io;version="[5.0.4,5.1.0)",
  org.hamcrest.core;bundle-version="[1.1.0,2.0.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.rules;version="[4.12,5.0.0)",
diff --git a/org.eclipse.jgit.pgm.test/pom.xml b/org.eclipse.jgit.pgm.test/pom.xml
index 65acd67..30c32ed 100644
--- a/org.eclipse.jgit.pgm.test/pom.xml
+++ b/org.eclipse.jgit.pgm.test/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.pgm.test</artifactId>
diff --git a/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/lib/CLIRepositoryTestCase.java b/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/lib/CLIRepositoryTestCase.java
index 0eeabab..0d1894b 100644
--- a/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/lib/CLIRepositoryTestCase.java
+++ b/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/lib/CLIRepositoryTestCase.java
@@ -122,17 +122,17 @@
 		return JGitTestUtil.writeLink(db, link, target);
 	}
 
-	protected File writeTrashFile(final String name, final String data)
+	protected File writeTrashFile(String name, String data)
 			throws IOException {
 		return JGitTestUtil.writeTrashFile(db, name, data);
 	}
 
 	@Override
-	protected String read(final File file) throws IOException {
+	protected String read(File file) throws IOException {
 		return JGitTestUtil.read(file);
 	}
 
-	protected void deleteTrashFile(final String name) throws IOException {
+	protected void deleteTrashFile(String name) throws IOException {
 		JGitTestUtil.deleteTrashFile(db, name);
 	}
 
diff --git a/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/pgm/CLIGitCommand.java b/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/pgm/CLIGitCommand.java
index 69eb198..44ad79d 100644
--- a/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/pgm/CLIGitCommand.java
+++ b/org.eclipse.jgit.pgm.test/src/org/eclipse/jgit/pgm/CLIGitCommand.java
@@ -157,7 +157,7 @@
 	}
 
 	@Override
-	void init(final TextBuiltin cmd) throws IOException {
+	void init(TextBuiltin cmd) throws IOException {
 		cmd.outs = result.out;
 		cmd.errs = result.err;
 		super.init(cmd);
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ArchiveTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ArchiveTest.java
index e5c85eb..afeb5ef 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ArchiveTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ArchiveTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.pgm;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
@@ -612,7 +612,7 @@
 
 	private BufferedReader readFromProcess(Process proc) throws Exception {
 		return new BufferedReader(
-				new InputStreamReader(proc.getInputStream(), UTF_8));
+				new InputStreamReader(proc.getInputStream(), CHARSET));
 	}
 
 	private void grepForEntry(String name, String mode, String... cmdline)
@@ -700,7 +700,7 @@
 		return l.toArray(new String[l.size()]);
 	}
 
-	private static Future<Object> writeAsync(final OutputStream stream, final byte[] data) {
+	private static Future<Object> writeAsync(OutputStream stream, byte[] data) {
 		ExecutorService executor = Executors.newSingleThreadExecutor();
 
 		return executor.submit(new Callable<Object>() {
@@ -750,7 +750,7 @@
 			// found!
 			List<String> l = new ArrayList<>();
 			BufferedReader reader = new BufferedReader(
-					new InputStreamReader(in, UTF_8));
+					new InputStreamReader(in, CHARSET));
 			String line;
 			while ((line = reader.readLine()) != null)
 				l.add(line);
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/FetchTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/FetchTest.java
index 9685d45..dde1a33 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/FetchTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/FetchTest.java
@@ -92,6 +92,19 @@
 	}
 
 	@Test
+	public void testFetchForceUpdate() throws Exception {
+		String[] result = execute(
+				"git fetch test refs/heads/master:refs/remotes/origin/master");
+		assertEquals(" * [new branch]      master     -> origin/master",
+				result[1]);
+		assertEquals(" * [new tag]         tag        -> tag", result[2]);
+		remoteGit.commit().setAmend(true).setMessage("amended").call();
+		result = execute(
+				"git fetch -f test refs/heads/master:refs/remotes/origin/master");
+		assertEquals("", result[0]);
+	}
+
+	@Test
 	public void testFetchNoTags() throws Exception {
 		String[] result = execute("git fetch --no-tags test refs/heads/master:refs/remotes/origin/master");
 		assertEquals(" * [new branch]      master     -> origin/master",
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ProxyConfigTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ProxyConfigTest.java
index 06e7a1d..40a223d 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ProxyConfigTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/ProxyConfigTest.java
@@ -47,6 +47,7 @@
 import java.util.List;
 import java.util.Map;
 
+import org.eclipse.jgit.lib.Constants;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -203,7 +204,7 @@
 			while ((length = inputStream.read(buffer)) != -1) {
 				result.write(buffer, 0, length);
 			}
-			return result.toString("UTF-8");
+			return result.toString(Constants.CHARACTER_ENCODING);
 		}
 	}
 }
diff --git a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/TagTest.java b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/TagTest.java
index 03391a0..d38a41d 100644
--- a/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/TagTest.java
+++ b/org.eclipse.jgit.pgm.test/tst/org/eclipse/jgit/pgm/TagTest.java
@@ -43,10 +43,11 @@
 package org.eclipse.jgit.pgm;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 
 import org.eclipse.jgit.api.Git;
 import org.eclipse.jgit.lib.CLIRepositoryTestCase;
-import org.eclipse.jgit.lib.Ref;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -75,13 +76,9 @@
 	@Test
 	public void testTagDelete() throws Exception {
 		git.tag().setName("test").call();
-
-		Ref ref = git.getRepository().getTags().get("test");
-		assertEquals("refs/tags/test", ref.getName());
-
+		assertNotNull(git.getRepository().exactRef("refs/tags/test"));
 		assertEquals("", executeUnchecked("git tag -d test")[0]);
-		Ref deletedRef = git.getRepository().getTags().get("test");
-		assertEquals(null, deletedRef);
+		assertNull(git.getRepository().exactRef("refs/tags/test"));
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.pgm/.settings/.api_filters b/org.eclipse.jgit.pgm/.settings/.api_filters
new file mode 100644
index 0000000..736a9ab
--- /dev/null
+++ b/org.eclipse.jgit.pgm/.settings/.api_filters
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit.pgm" version="2">
+    <resource path="META-INF/MANIFEST.MF">
+        <filter id="925892614">
+            <message_arguments>
+                <message_argument value="5.0.4"/>
+                <message_argument value="4.11.0"/>
+            </message_arguments>
+        </filter>
+    </resource>
+</component>
diff --git a/org.eclipse.jgit.pgm/BUILD b/org.eclipse.jgit.pgm/BUILD
index 0792268..ddc84be 100644
--- a/org.eclipse.jgit.pgm/BUILD
+++ b/org.eclipse.jgit.pgm/BUILD
@@ -25,6 +25,12 @@
     ],
 )
 
+java_binary(
+    name = "jgit",
+    main_class = "org.eclipse.jgit.pgm.Main",
+    runtime_deps = [":pgm"],
+)
+
 java_import(
     name = "services",
     jars = [":services_jar"],
diff --git a/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF b/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
index a7e36fc..f8aa095 100644
--- a/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.pgm/META-INF/MANIFEST.MF
@@ -3,7 +3,7 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.pgm
 Bundle-SymbolicName: org.eclipse.jgit.pgm
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
 Bundle-Localization: plugin
@@ -28,49 +28,49 @@
  org.eclipse.jetty.util.log;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.security;version="[9.4.5,10.0.0)",
  org.eclipse.jetty.util.thread;version="[9.4.5,10.0.0)",
- org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.archive;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.awtui;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.blame;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.diff;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.dircache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.gitrepo;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.ketch;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.dfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.io;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.reftable;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.reftree;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.server;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.server.fs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs.server.s3;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.merge;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.notes;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revplot;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http.apache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.resolver;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.io;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.archive;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.awtui;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.blame;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.diff;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.dircache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.gitrepo;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.ketch;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.dfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.io;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.reftable;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.reftree;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.server;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.server.fs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs.server.s3;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.merge;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.notes;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revplot;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http.apache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.resolver;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.io;version="[5.0.4,5.1.0)",
  org.kohsuke.args4j;version="[2.33.0,3.0.0)",
  org.kohsuke.args4j.spi;version="[2.33.0,3.0.0)"
-Export-Package: org.eclipse.jgit.console;version="4.11.10";
+Export-Package: org.eclipse.jgit.console;version="5.0.4";
   uses:="org.eclipse.jgit.transport,
    org.eclipse.jgit.util",
- org.eclipse.jgit.pgm;version="4.11.10";
+ org.eclipse.jgit.pgm;version="5.0.4";
   uses:="org.eclipse.jgit.revwalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.pgm.opt,
@@ -81,11 +81,11 @@
    org.eclipse.jgit.treewalk,
    javax.swing,
    org.eclipse.jgit.transport",
- org.eclipse.jgit.pgm.debug;version="4.11.10";
+ org.eclipse.jgit.pgm.debug;version="5.0.4";
   uses:="org.eclipse.jgit.util.io,
    org.eclipse.jgit.pgm",
- org.eclipse.jgit.pgm.internal;version="4.11.10";x-friends:="org.eclipse.jgit.pgm.test,org.eclipse.jgit.test",
- org.eclipse.jgit.pgm.opt;version="4.11.10";
+ org.eclipse.jgit.pgm.internal;version="5.0.4";x-friends:="org.eclipse.jgit.pgm.test,org.eclipse.jgit.test",
+ org.eclipse.jgit.pgm.opt;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.revwalk,
    org.kohsuke.args4j.spi,
diff --git a/org.eclipse.jgit.pgm/META-INF/SOURCE-MANIFEST.MF b/org.eclipse.jgit.pgm/META-INF/SOURCE-MANIFEST.MF
index 0999f3b..1d4575e 100644
--- a/org.eclipse.jgit.pgm/META-INF/SOURCE-MANIFEST.MF
+++ b/org.eclipse.jgit.pgm/META-INF/SOURCE-MANIFEST.MF
@@ -3,5 +3,5 @@
 Bundle-Name: org.eclipse.jgit.pgm - Sources
 Bundle-SymbolicName: org.eclipse.jgit.pgm.source
 Bundle-Vendor: Eclipse.org - JGit
-Bundle-Version: 4.11.10.qualifier
-Eclipse-SourceBundle: org.eclipse.jgit.pgm;version="4.11.10.qualifier";roots="."
+Bundle-Version: 5.0.4.qualifier
+Eclipse-SourceBundle: org.eclipse.jgit.pgm;version="5.0.4.qualifier";roots="."
diff --git a/org.eclipse.jgit.pgm/pom.xml b/org.eclipse.jgit.pgm/pom.xml
index 9a4b54c..db6745e 100644
--- a/org.eclipse.jgit.pgm/pom.xml
+++ b/org.eclipse.jgit.pgm/pom.xml
@@ -50,7 +50,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.pgm</artifactId>
diff --git a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
index cb0ea1b..e937093 100644
--- a/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
+++ b/org.eclipse.jgit.pgm/resources/org/eclipse/jgit/pgm/internal/CLIText.properties
@@ -343,6 +343,7 @@
 usage_forceCheckout=when switching branches, proceed even if the index or the working tree differs from HEAD
 usage_forceClean=required to delete files or directories
 usage_forceCreateBranchEvenExists=force create branch even exists
+usage_forcedFetch=force ref update fetch option
 usage_forceReplacingAnExistingTag=force replacing an existing tag
 usage_getAndSetOptions=Get and set repository or global options
 usage_groups=Restrict manifest projects to ones with specified group(s), use "-" for excluding [default|all|G1,G2,G3|G4,-G5,-G6]
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
index f0754b1..9223e0f 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AbstractFetchCommand.java
@@ -74,10 +74,10 @@
 	 * @throws java.io.IOException
 	 *             if any.
 	 */
-	protected void showFetchResult(final FetchResult r) throws IOException {
+	protected void showFetchResult(FetchResult r) throws IOException {
 		try (ObjectReader reader = db.newObjectReader()) {
 			boolean shownURI = false;
-			for (final TrackingRefUpdate u : r.getTrackingRefUpdates()) {
+			for (TrackingRefUpdate u : r.getTrackingRefUpdates()) {
 				if (!verbose && u.getResult() == RefUpdate.Result.NO_CHANGE)
 					continue;
 
@@ -181,7 +181,7 @@
 		}
 	}
 
-	private static char shortTypeOf(final RefUpdate.Result r) {
+	private static char shortTypeOf(RefUpdate.Result r) {
 		if (r == RefUpdate.Result.LOCK_FAILURE)
 			return '!';
 		if (r == RefUpdate.Result.IO_FAILURE)
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AmazonS3Client.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AmazonS3Client.java
index cce889b..f4f8d8f 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AmazonS3Client.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/AmazonS3Client.java
@@ -105,7 +105,7 @@
 			}
 
 		} else if ("ls".equals(op) || "list".equals(op)) { //$NON-NLS-1$//$NON-NLS-2$
-			for (final String k : s3.list(bucket, key))
+			for (String k : s3.list(bucket, key))
 				outw.println(k);
 
 		} else if ("rm".equals(op) || "delete".equals(op)) { //$NON-NLS-1$ //$NON-NLS-2$
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Branch.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Branch.java
index e6685c2..a88354d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Branch.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Branch.java
@@ -292,7 +292,7 @@
 				addRefs(refs, Constants.R_REMOTES);
 
 				try (ObjectReader reader = db.newObjectReader()) {
-					for (final Entry<String, Ref> e : printRefs.entrySet()) {
+					for (Entry<String, Ref> e : printRefs.entrySet()) {
 						final Ref ref = e.getValue();
 						printHead(reader, e.getKey(),
 								current.equals(ref.getName()), ref);
@@ -302,15 +302,15 @@
 		}
 	}
 
-	private void addRefs(final Collection<Ref> refs, final String prefix) {
-		for (final Ref ref : RefComparator.sort(refs)) {
+	private void addRefs(Collection<Ref> refs, String prefix) {
+		for (Ref ref : RefComparator.sort(refs)) {
 			final String name = ref.getName();
 			if (name.startsWith(prefix))
 				addRef(name.substring(name.indexOf('/', 5) + 1), ref);
 		}
 	}
 
-	private void addRef(final String name, final Ref ref) {
+	private void addRef(String name, Ref ref) {
 		printRefs.put(name, ref);
 		maxNameLength = Math.max(maxNameLength, name.length());
 	}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandCatalog.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandCatalog.java
index 81aeef8..5754d7c 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandCatalog.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandCatalog.java
@@ -43,11 +43,10 @@
 
 package org.eclipse.jgit.pgm;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.net.URL;
 import java.util.ArrayList;
@@ -88,7 +87,7 @@
 	 *            was derived from the DashLowerCaseForm class name.
 	 * @return the command instance; null if no command exists by that name.
 	 */
-	public static CommandRef get(final String name) {
+	public static CommandRef get(String name) {
 		return INSTANCE.commands.get(name);
 	}
 
@@ -108,17 +107,17 @@
 	 */
 	public static CommandRef[] common() {
 		final ArrayList<CommandRef> common = new ArrayList<>();
-		for (final CommandRef c : INSTANCE.commands.values())
+		for (CommandRef c : INSTANCE.commands.values())
 			if (c.isCommon())
 				common.add(c);
 		return toSortedArray(common);
 	}
 
-	private static CommandRef[] toSortedArray(final Collection<CommandRef> c) {
+	private static CommandRef[] toSortedArray(Collection<CommandRef> c) {
 		final CommandRef[] r = c.toArray(new CommandRef[c.size()]);
 		Arrays.sort(r, new Comparator<CommandRef>() {
 			@Override
-			public int compare(final CommandRef o1, final CommandRef o2) {
+			public int compare(CommandRef o1, CommandRef o2) {
 				return o1.getName().compareTo(o2.getName());
 			}
 		});
@@ -147,36 +146,20 @@
 		}
 	}
 
-	private void scan(final URL cUrl) {
-		final BufferedReader cIn;
-		try {
-			final InputStream in = cUrl.openStream();
-			cIn = new BufferedReader(new InputStreamReader(in, UTF_8));
-		} catch (IOException err) {
-			// If we cannot read from the service list, go to the next.
-			//
-			return;
-		}
-
-		try {
+	private void scan(URL cUrl) {
+		try (BufferedReader cIn = new BufferedReader(
+				new InputStreamReader(cUrl.openStream(), CHARSET))) {
 			String line;
 			while ((line = cIn.readLine()) != null) {
 				if (line.length() > 0 && !line.startsWith("#")) //$NON-NLS-1$
 					load(line);
 			}
-		} catch (IOException err) {
-			// If we failed during a read, ignore the error.
-			//
-		} finally {
-			try {
-				cIn.close();
-			} catch (IOException e) {
-				// Ignore the close error; we are only reading.
-			}
+		} catch (IOException e) {
+			// Ignore errors
 		}
 	}
 
-	private void load(final String cn) {
+	private void load(String cn) {
 		final Class<? extends TextBuiltin> clazz;
 		try {
 			clazz = Class.forName(cn, false, ldr).asSubclass(TextBuiltin.class);
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandRef.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandRef.java
index 2c9bc0d..1773de5 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandRef.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/CommandRef.java
@@ -66,29 +66,29 @@
 
 	boolean common;
 
-	CommandRef(final Class<? extends TextBuiltin> clazz) {
+	CommandRef(Class<? extends TextBuiltin> clazz) {
 		this(clazz, guessName(clazz));
 	}
 
-	CommandRef(final Class<? extends TextBuiltin> clazz, final Command cmd) {
+	CommandRef(Class<? extends TextBuiltin> clazz, Command cmd) {
 		this(clazz, cmd.name().length() > 0 ? cmd.name() : guessName(clazz));
 		usage = cmd.usage();
 		common = cmd.common();
 	}
 
-	private CommandRef(final Class<? extends TextBuiltin> clazz, final String cn) {
+	private CommandRef(Class<? extends TextBuiltin> clazz, String cn) {
 		impl = clazz;
 		name = cn;
 		usage = ""; //$NON-NLS-1$
 	}
 
-	private static String guessName(final Class<? extends TextBuiltin> clazz) {
+	private static String guessName(Class<? extends TextBuiltin> clazz) {
 		final StringBuilder s = new StringBuilder();
 		if (clazz.getName().startsWith("org.eclipse.jgit.pgm.debug.")) //$NON-NLS-1$
 			s.append("debug-"); //$NON-NLS-1$
 
 		boolean lastWasDash = true;
-		for (final char c : clazz.getSimpleName().toCharArray()) {
+		for (char c : clazz.getSimpleName().toCharArray()) {
 			if (Character.isUpperCase(c)) {
 				if (!lastWasDash)
 					s.append('-');
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
index d0ada67..319b5e3 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Daemon.java
@@ -142,7 +142,7 @@
 			packConfig.setExecutor(Executors.newFixedThreadPool(threads));
 
 		final FileResolver<DaemonClient> resolver = new FileResolver<>();
-		for (final File f : directory) {
+		for (File f : directory) {
 			outw.println(MessageFormat.format(CLIText.get().exporting, f.getAbsolutePath()));
 			resolver.exportDirectory(f);
 		}
@@ -157,14 +157,14 @@
 		if (0 <= timeout)
 			d.setTimeout(timeout);
 
-		for (final String n : enable)
+		for (String n : enable)
 			service(d, n).setEnabled(true);
-		for (final String n : disable)
+		for (String n : disable)
 			service(d, n).setEnabled(false);
 
-		for (final String n : canOverride)
+		for (String n : canOverride)
 			service(d, n).setOverridable(true);
-		for (final String n : forbidOverride)
+		for (String n : forbidOverride)
 			service(d, n).setOverridable(false);
 		if (ketchServerType == KetchServerType.LEADER) {
 			startKetchLeader(d);
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Die.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Die.java
index 59de80c..4ec5f04 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Die.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Die.java
@@ -63,7 +63,7 @@
 	 * @param why
 	 *            the message to show to the end-user.
 	 */
-	public Die(final String why) {
+	public Die(String why) {
 		super(why);
 	}
 
@@ -75,7 +75,7 @@
 	 * @param cause
 	 *            why the command has failed.
 	 */
-	public Die(final String why, final Throwable cause) {
+	public Die(String why, Throwable cause) {
 		super(why, cause);
 	}
 
@@ -100,7 +100,7 @@
 	 *            can be null
 	 * @since 4.2
 	 */
-	public Die(boolean aborted, final Throwable cause) {
+	public Die(boolean aborted, Throwable cause) {
 		super(cause != null ? cause.getMessage() : null, cause);
 		this.aborted = aborted;
 	}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Diff.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Diff.java
index ed6f7b4..97e3df3 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Diff.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Diff.java
@@ -170,7 +170,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void init(final Repository repository, final String gitDir) {
+	protected void init(Repository repository, String gitDir) {
 		super.init(repository, gitDir);
 		diffFmt = new DiffFormatter(new BufferedOutputStream(outs));
 	}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/DiffTree.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/DiffTree.java
index 5104063..42aabc2 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/DiffTree.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/DiffTree.java
@@ -75,9 +75,9 @@
 	/** {@inheritDoc} */
 	@Override
 	protected void run() throws Exception {
-		try (final TreeWalk walk = new TreeWalk(db)) {
+		try (TreeWalk walk = new TreeWalk(db)) {
 			walk.setRecursive(recursive);
-			for (final AbstractTreeIterator i : trees)
+			for (AbstractTreeIterator i : trees)
 				walk.addTree(i);
 			walk.setFilter(AndTreeFilter.create(TreeFilter.ANY_DIFF, pathFilter));
 
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Fetch.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Fetch.java
index bc76372..61fd521 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Fetch.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Fetch.java
@@ -100,6 +100,9 @@
 		tags = Boolean.FALSE;
 	}
 
+	@Option(name = "--force", usage = "usage_forcedFetch", aliases = { "-f" })
+	private Boolean force;
+
 	private FetchRecurseSubmodulesMode recurseSubmodules;
 
 	@Option(name = "--recurse-submodules", usage = "usage_recurseSubmodules")
@@ -155,6 +158,9 @@
 			if (quiet == null || !quiet.booleanValue())
 				fetch.setProgressMonitor(new TextProgressMonitor(errw));
 			fetch.setRecurseSubmodules(recurseSubmodules).setCallback(this);
+			if (force != null) {
+				fetch.setForceUpdate(force.booleanValue());
+			}
 
 			FetchResult result = fetch.call();
 			if (result.getTrackingRefUpdates().isEmpty()
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Glog.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Glog.java
index a081b78..2b5af5d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Glog.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Glog.java
@@ -75,7 +75,7 @@
 		frame = new JFrame();
 		frame.addWindowListener(new WindowAdapter() {
 			@Override
-			public void windowClosing(final WindowEvent e) {
+			public void windowClosing(WindowEvent e) {
 				frame.dispose();
 			}
 		});
@@ -116,7 +116,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void show(final RevCommit c) throws Exception {
+	protected void show(RevCommit c) throws Exception {
 		throw new UnsupportedOperationException();
 	}
 
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Log.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Log.java
index 75542d4..ad92a78 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Log.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Log.java
@@ -186,7 +186,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void init(final Repository repository, final String gitDir) {
+	protected void init(Repository repository, String gitDir) {
 		super.init(repository, gitDir);
 		diffFmt = new DiffFormatter(new BufferedOutputStream(outs));
 	}
@@ -241,7 +241,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void show(final RevCommit c) throws Exception {
+	protected void show(RevCommit c) throws Exception {
 		outw.print(CLIText.get().commitLabel);
 		outw.print(" "); //$NON-NLS-1$
 		c.getId().copyTo(outbuffer, outw);
@@ -266,7 +266,7 @@
 
 		outw.println();
 		final String[] lines = c.getFullMessage().split("\n"); //$NON-NLS-1$
-		for (final String s : lines) {
+		for (String s : lines) {
 			outw.print("    "); //$NON-NLS-1$
 			outw.print(s);
 			outw.println();
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
index 9013ff6..2711c15 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
@@ -83,7 +83,7 @@
 			}
 		});
 		refs.addAll(command.call());
-		for (final Ref r : refs) {
+		for (Ref r : refs) {
 			show(r.getObjectId(), r.getName());
 			if (r.getPeeledObjectId() != null)
 				show(r.getPeeledObjectId(), r.getName() + "^{}"); //$NON-NLS-1$
@@ -96,7 +96,7 @@
 		return false;
 	}
 
-	private void show(final AnyObjectId id, final String name)
+	private void show(AnyObjectId id, String name)
 			throws IOException {
 		outw.print(id.name());
 		outw.print('\t');
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsTree.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsTree.java
index c57f9f2..01fa7ee 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsTree.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsTree.java
@@ -73,7 +73,7 @@
 	/** {@inheritDoc} */
 	@Override
 	protected void run() throws Exception {
-		try (final TreeWalk walk = new TreeWalk(db)) {
+		try (TreeWalk walk = new TreeWalk(db)) {
 			walk.reset(); // drop the first empty tree, which we do not need here
 			if (paths.size() > 0)
 				walk.setFilter(PathFilterGroup.createFromStrings(paths));
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java
index a376bc0..ac53de9 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Main.java
@@ -44,7 +44,7 @@
 
 package org.eclipse.jgit.pgm;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.File;
 import java.io.IOException;
@@ -71,6 +71,7 @@
 import org.eclipse.jgit.pgm.internal.CLIText;
 import org.eclipse.jgit.pgm.opt.CmdLineParser;
 import org.eclipse.jgit.pgm.opt.SubcommandHandler;
+import org.eclipse.jgit.storage.file.WindowCacheConfig;
 import org.eclipse.jgit.transport.HttpTransport;
 import org.eclipse.jgit.transport.http.apache.HttpClientConnectionFactory;
 import org.eclipse.jgit.util.CachedAuthenticator;
@@ -105,10 +106,19 @@
 
 	private ExecutorService gcExecutor;
 
+	private static final int MB = 1024 * 1024;
+
 	/**
 	 * <p>Constructor for Main.</p>
 	 */
 	public Main() {
+		final WindowCacheConfig c = new WindowCacheConfig();
+		c.setPackedGitMMAP(true);
+		c.setPackedGitWindowSize(8 * 1024);
+		c.setPackedGitLimit(10 * MB);
+		c.setDeltaBaseCacheLimit(10 * MB);
+		c.setStreamFileThreshold(50 * MB);
+		c.install();
 		HttpTransport.setConnectionFactory(new HttpClientConnectionFactory());
 		BuiltinLFS.register();
 		gcExecutor = Executors.newSingleThreadExecutor(new ThreadFactory() {
@@ -131,7 +141,7 @@
 	 *            arguments.
 	 * @throws java.lang.Exception
 	 */
-	public static void main(final String[] argv) throws Exception {
+	public static void main(String[] argv) throws Exception {
 		// make sure built-in filters are registered
 		BuiltinLFS.register();
 
@@ -155,7 +165,7 @@
 	 *            arguments.
 	 * @throws java.lang.Exception
 	 */
-	protected void run(final String[] argv) throws Exception {
+	protected void run(String[] argv) throws Exception {
 		writer = createErrorWriter();
 		try {
 			if (!installConsole()) {
@@ -217,10 +227,10 @@
 	}
 
 	PrintWriter createErrorWriter() {
-		return new PrintWriter(new OutputStreamWriter(System.err, UTF_8));
+		return new PrintWriter(new OutputStreamWriter(System.err, CHARSET));
 	}
 
-	private void execute(final String[] argv) throws Exception {
+	private void execute(String[] argv) throws Exception {
 		final CmdLineParser clp = new SubcommandLineParser(this);
 
 		try {
@@ -246,12 +256,12 @@
 				writer.println(CLIText.get().mostCommonlyUsedCommandsAre);
 				final CommandRef[] common = CommandCatalog.common();
 				int width = 0;
-				for (final CommandRef c : common) {
+				for (CommandRef c : common) {
 					width = Math.max(width, c.getName().length());
 				}
 				width += 2;
 
-				for (final CommandRef c : common) {
+				for (CommandRef c : common) {
 					writer.print(' ');
 					writer.print(c.getName());
 					for (int i = c.getName().length(); i < width; i++) {
@@ -286,7 +296,7 @@
 		}
 	}
 
-	void init(final TextBuiltin cmd) throws IOException {
+	void init(TextBuiltin cmd) throws IOException {
 		if (cmd.requiresRepository()) {
 			cmd.init(openGitDir(gitdir), null);
 		} else {
@@ -350,7 +360,7 @@
 		}
 	}
 
-	private static void install(final String name)
+	private static void install(String name)
 			throws IllegalAccessException, InvocationTargetException,
 			NoSuchMethodException, ClassNotFoundException {
 		try {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/MergeBase.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/MergeBase.java
index 62a88ae..6842d8d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/MergeBase.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/MergeBase.java
@@ -68,7 +68,7 @@
 	/** {@inheritDoc} */
 	@Override
 	protected void run() throws Exception {
-		for (final RevCommit c : commits)
+		for (RevCommit c : commits)
 			argWalk.markStart(c);
 		argWalk.setRevFilter(RevFilter.MERGE_BASE);
 		int max = all ? Integer.MAX_VALUE : 1;
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
index 309dca2..be8ad37 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Push.java
@@ -149,7 +149,7 @@
 		boolean everythingUpToDate = true;
 
 		// at first, print up-to-date ones...
-		for (final RemoteRefUpdate rru : result.getRemoteUpdates()) {
+		for (RemoteRefUpdate rru : result.getRemoteUpdates()) {
 			if (rru.getStatus() == Status.UP_TO_DATE) {
 				if (verbose)
 					printRefUpdateResult(reader, uri, result, rru);
@@ -157,13 +157,13 @@
 				everythingUpToDate = false;
 		}
 
-		for (final RemoteRefUpdate rru : result.getRemoteUpdates()) {
+		for (RemoteRefUpdate rru : result.getRemoteUpdates()) {
 			// ...then successful updates...
 			if (rru.getStatus() == Status.OK)
 				printRefUpdateResult(reader, uri, result, rru);
 		}
 
-		for (final RemoteRefUpdate rru : result.getRemoteUpdates()) {
+		for (RemoteRefUpdate rru : result.getRemoteUpdates()) {
 			// ...finally, others (problematic)
 			if (rru.getStatus() != Status.OK
 					&& rru.getStatus() != Status.UP_TO_DATE)
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Remote.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Remote.java
index 948cbc5..3308e18 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Remote.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Remote.java
@@ -146,7 +146,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void printUsage(final String message, final CmdLineParser clp)
+	public void printUsage(String message, CmdLineParser clp)
 			throws IOException {
 		errw.println(message);
 		errw.println("jgit remote [--verbose (-v)] [--help (-h)]"); //$NON-NLS-1$
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevList.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevList.java
index 8c88a5c..101fbb2 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevList.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevList.java
@@ -53,7 +53,7 @@
 class RevList extends RevWalkTextBuiltin {
 	/** {@inheritDoc} */
 	@Override
-	protected void show(final RevCommit c) throws Exception {
+	protected void show(RevCommit c) throws Exception {
 		if (c.has(RevFlag.UNINTERESTING))
 			outw.print('-');
 		c.getId().copyTo(outbuffer, outw);
@@ -67,7 +67,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void show(final ObjectWalk ow, final RevObject obj)
+	protected void show(ObjectWalk ow, RevObject obj)
 			throws Exception {
 		if (obj.has(RevFlag.UNINTERESTING))
 			outw.print('-');
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevParse.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevParse.java
index 21adf73..ac08cd6 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevParse.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevParse.java
@@ -45,11 +45,8 @@
 
 package org.eclipse.jgit.pgm;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
@@ -74,8 +71,7 @@
 	@Override
 	protected void run() throws Exception {
 		if (all) {
-			Map<String, Ref> allRefs = db.getRefDatabase().getRefs(ALL);
-			for (final Ref r : allRefs.values()) {
+			for (Ref r : db.getRefDatabase().getRefs()) {
 				ObjectId objectId = r.getObjectId();
 				// getRefs skips dangling symrefs, so objectId should never be
 				// null.
@@ -91,7 +87,7 @@
 						CLIText.format(CLIText.get().needSingleRevision));
 			}
 
-			for (final ObjectId o : commits) {
+			for (ObjectId o : commits) {
 				outw.println(o.name());
 			}
 		}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
index 3fc9101..15abeac 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/RevWalkTextBuiltin.java
@@ -47,14 +47,12 @@
 import java.util.ArrayList;
 import java.util.EnumSet;
 import java.util.List;
-import java.util.Map;
 
 import org.eclipse.jgit.diff.DiffConfig;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
 import org.eclipse.jgit.lib.Ref;
-import org.eclipse.jgit.lib.RefDatabase;
 import org.eclipse.jgit.pgm.internal.CLIText;
 import org.eclipse.jgit.pgm.opt.PathTreeFilterHandler;
 import org.eclipse.jgit.revwalk.FollowFilter;
@@ -93,7 +91,7 @@
 
 	private final EnumSet<RevSort> sorting = EnumSet.noneOf(RevSort.class);
 
-	private void enableRevSort(final RevSort type, final boolean on) {
+	private void enableRevSort(RevSort type, boolean on) {
 		if (on)
 			sorting.add(type);
 		else
@@ -101,22 +99,22 @@
 	}
 
 	@Option(name = "--date-order")
-	void enableDateOrder(final boolean on) {
+	void enableDateOrder(boolean on) {
 		enableRevSort(RevSort.COMMIT_TIME_DESC, on);
 	}
 
 	@Option(name = "--topo-order")
-	void enableTopoOrder(final boolean on) {
+	void enableTopoOrder(boolean on) {
 		enableRevSort(RevSort.TOPO, on);
 	}
 
 	@Option(name = "--reverse")
-	void enableReverse(final boolean on) {
+	void enableReverse(boolean on) {
 		enableRevSort(RevSort.REVERSE, on);
 	}
 
 	@Option(name = "--boundary")
-	void enableBoundary(final boolean on) {
+	void enableBoundary(boolean on) {
 		enableRevSort(RevSort.BOUNDARY, on);
 	}
 
@@ -132,17 +130,17 @@
 	private final List<RevFilter> revLimiter = new ArrayList<>();
 
 	@Option(name = "--author")
-	void addAuthorRevFilter(final String who) {
+	void addAuthorRevFilter(String who) {
 		revLimiter.add(AuthorRevFilter.create(who));
 	}
 
 	@Option(name = "--committer")
-	void addCommitterRevFilter(final String who) {
+	void addCommitterRevFilter(String who) {
 		revLimiter.add(CommitterRevFilter.create(who));
 	}
 
 	@Option(name = "--grep")
-	void addCMessageRevFilter(final String msg) {
+	void addCMessageRevFilter(String msg) {
 		revLimiter.add(MessageRevFilter.create(msg));
 	}
 
@@ -153,7 +151,7 @@
 	@Override
 	protected void run() throws Exception {
 		walk = createWalk();
-		for (final RevSort s : sorting)
+		for (RevSort s : sorting)
 			walk.sort(s, true);
 
 		if (pathFilter == TreeFilter.ALL) {
@@ -171,9 +169,7 @@
 			walk.setRevFilter(AndRevFilter.create(revLimiter));
 
 		if (all) {
-			Map<String, Ref> refs =
-				db.getRefDatabase().getRefs(RefDatabase.ALL);
-			for (Ref a : refs.values()) {
+			for (Ref a : db.getRefDatabase().getRefs()) {
 				ObjectId oid = a.getPeeledObjectId();
 				if (oid == null)
 					oid = a.getObjectId();
@@ -191,7 +187,7 @@
 				throw die(MessageFormat.format(CLIText.get().cannotResolve, Constants.HEAD));
 			commits.add(walk.parseCommit(head));
 		}
-		for (final RevCommit c : commits) {
+		for (RevCommit c : commits) {
 			final RevCommit real = argWalk == walk ? c : walk.parseCommit(c);
 			if (c.has(RevFlag.UNINTERESTING))
 				walk.markUninteresting(real);
@@ -237,7 +233,7 @@
 	 */
 	protected int walkLoop() throws Exception {
 		int n = 0;
-		for (final RevCommit c : walk) {
+		for (RevCommit c : walk) {
 			if (++n > maxCount && maxCount >= 0)
 				break;
 			show(c);
@@ -264,7 +260,7 @@
 	 *            The current {@link org.eclipse.jgit.revwalk.RevCommit}
 	 * @throws java.lang.Exception
 	 */
-	protected abstract void show(final RevCommit c) throws Exception;
+	protected abstract void show(RevCommit c) throws Exception;
 
 	/**
 	 * "Show" the current RevCommit when called from the main processing loop.
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Show.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Show.java
index de04045..89a15fe 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Show.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Show.java
@@ -167,7 +167,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void init(final Repository repository, final String gitDir) {
+	protected void init(Repository repository, String gitDir) {
 		super.init(repository, gitDir);
 		diffFmt = new DiffFormatter(new BufferedOutputStream(outs));
 	}
@@ -248,7 +248,7 @@
 
 		outw.println();
 		final String[] lines = tag.getFullMessage().split("\n"); //$NON-NLS-1$
-		for (final String s : lines) {
+		for (String s : lines) {
 			outw.print("    "); //$NON-NLS-1$
 			outw.print(s);
 			outw.println();
@@ -259,7 +259,7 @@
 
 	private void show(RevTree obj) throws MissingObjectException,
 			IncorrectObjectTypeException, CorruptObjectException, IOException {
-		try (final TreeWalk walk = new TreeWalk(db)) {
+		try (TreeWalk walk = new TreeWalk(db)) {
 			walk.reset();
 			walk.addTree(obj);
 
@@ -273,7 +273,7 @@
 		}
 	}
 
-	private void show(RevWalk rw, final RevCommit c) throws Exception {
+	private void show(RevWalk rw, RevCommit c) throws Exception {
 		char[] outbuffer = new char[Constants.OBJECT_ID_LENGTH * 2];
 
 		outw.print(CLIText.get().commitLabel);
@@ -292,7 +292,7 @@
 
 		outw.println();
 		final String[] lines = c.getFullMessage().split("\n"); //$NON-NLS-1$
-		for (final String s : lines) {
+		for (String s : lines) {
 			outw.print("    "); //$NON-NLS-1$
 			outw.print(s);
 			outw.println();
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ShowRef.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ShowRef.java
index 7b59d43..6318a63 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ShowRef.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ShowRef.java
@@ -45,23 +45,19 @@
 
 package org.eclipse.jgit.pgm;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.IOException;
-import java.util.Map;
-import java.util.SortedMap;
+import java.util.List;
 
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.RefComparator;
-import org.eclipse.jgit.util.RefMap;
 
 @Command(usage = "usage_ShowRef")
 class ShowRef extends TextBuiltin {
 	/** {@inheritDoc} */
 	@Override
 	protected void run() throws Exception {
-		for (final Ref r : getSortedRefs()) {
+		for (Ref r : getSortedRefs()) {
 			show(r.getObjectId(), r.getName());
 			if (r.getPeeledObjectId() != null)
 				show(r.getPeeledObjectId(), r.getName() + "^{}"); //$NON-NLS-1$
@@ -69,14 +65,13 @@
 	}
 
 	private Iterable<Ref> getSortedRefs() throws Exception {
-		Map<String, Ref> all = db.getRefDatabase().getRefs(ALL);
-		if (all instanceof RefMap
-				|| (all instanceof SortedMap && ((SortedMap) all).comparator() == null))
-			return all.values();
-		return RefComparator.sort(all.values());
+		List<Ref> all = db.getRefDatabase().getRefs();
+		// TODO(jrn) check if we can reintroduce fast-path by e.g. implementing
+		// SortedList
+		return RefComparator.sort(all);
 	}
 
-	private void show(final AnyObjectId id, final String name)
+	private void show(AnyObjectId id, String name)
 			throws IOException {
 		outw.print(id.name());
 		outw.print('\t');
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
index bc3755d..7e5b545 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/TextBuiltin.java
@@ -129,7 +129,7 @@
 	/** RevWalk used during command line parsing, if it was required. */
 	protected RevWalk argWalk;
 
-	final void setCommandName(final String name) {
+	final void setCommandName(String name) {
 		commandName = name;
 	}
 
@@ -176,7 +176,7 @@
 	 *            value of the {@code --git-dir} command line option, if
 	 *            {@code repository} is null.
 	 */
-	protected void init(final Repository repository, final String gitDir) {
+	protected void init(Repository repository, String gitDir) {
 		try {
 			final String outputEncoding = repository != null ? repository
 					.getConfig().getString("i18n", null, "logOutputEncoding") : null; //$NON-NLS-1$ //$NON-NLS-2$
@@ -239,7 +239,7 @@
 	 *            the arguments supplied on the command line, if any.
 	 * @throws java.io.IOException
 	 */
-	protected void parseArguments(final String[] args) throws IOException {
+	protected void parseArguments(String[] args) throws IOException {
 		final CmdLineParser clp = new CmdLineParser(this);
 		help = containsHelp(args);
 		try {
@@ -267,7 +267,7 @@
 	 *            a {@link org.eclipse.jgit.pgm.opt.CmdLineParser} object.
 	 * @throws java.io.IOException
 	 */
-	public void printUsageAndExit(final CmdLineParser clp) throws IOException {
+	public void printUsageAndExit(CmdLineParser clp) throws IOException {
 		printUsageAndExit("", clp); //$NON-NLS-1$
 	}
 
@@ -280,7 +280,7 @@
 	 *            a {@link org.eclipse.jgit.pgm.opt.CmdLineParser} object.
 	 * @throws java.io.IOException
 	 */
-	public void printUsageAndExit(final String message, final CmdLineParser clp) throws IOException {
+	public void printUsageAndExit(String message, CmdLineParser clp) throws IOException {
 		printUsage(message, clp);
 		throw die(true);
 	}
@@ -295,7 +295,7 @@
 	 * @throws java.io.IOException
 	 * @since 4.2
 	 */
-	protected void printUsage(final String message, final CmdLineParser clp)
+	protected void printUsage(String message, CmdLineParser clp)
 			throws IOException {
 		errw.println(message);
 		errw.print("jgit "); //$NON-NLS-1$
@@ -361,7 +361,7 @@
 		return db;
 	}
 
-	ObjectId resolve(final String s) throws IOException {
+	ObjectId resolve(String s) throws IOException {
 		final ObjectId r = db.resolve(s);
 		if (r == null)
 			throw die(MessageFormat.format(CLIText.get().notARevision, s));
@@ -375,7 +375,7 @@
 	 *            textual explanation
 	 * @return a runtime exception the caller is expected to throw
 	 */
-	protected static Die die(final String why) {
+	protected static Die die(String why) {
 		return new Die(why);
 	}
 
@@ -388,7 +388,7 @@
 	 *            why the command has failed.
 	 * @return a runtime exception the caller is expected to throw
 	 */
-	protected static Die die(final String why, final Throwable cause) {
+	protected static Die die(String why, Throwable cause) {
 		return new Die(why, cause);
 	}
 
@@ -416,7 +416,7 @@
 	 * @return a runtime exception the caller is expected to throw
 	 * @since 4.2
 	 */
-	protected static Die die(boolean aborted, final Throwable cause) {
+	protected static Die die(boolean aborted, Throwable cause) {
 		return new Die(aborted, cause);
 	}
 
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Version.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Version.java
index 5efc03b..58acc5c 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Version.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/Version.java
@@ -96,14 +96,9 @@
 	}
 
 	private static String getBundleVersion(URL url) {
-		try {
-			InputStream is = url.openStream();
-			try {
-				Manifest manifest = new Manifest(is);
-				return manifest.getMainAttributes().getValue("Bundle-Version"); //$NON-NLS-1$
-			} finally {
-				is.close();
-			}
+		try (InputStream is = url.openStream()) {
+			Manifest manifest = new Manifest(is);
+			return manifest.getMainAttributes().getValue("Bundle-Version"); //$NON-NLS-1$
 		} catch (IOException e) {
 			// do nothing - will return null
 		}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/BenchmarkReftable.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/BenchmarkReftable.java
index 248eaac..575a122 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/BenchmarkReftable.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/BenchmarkReftable.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.pgm.debug;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.HEAD;
 import static org.eclipse.jgit.lib.Constants.MASTER;
 import static org.eclipse.jgit.lib.Constants.R_HEADS;
@@ -154,7 +154,7 @@
 			throws IOException, FileNotFoundException {
 		RefList.Builder<Ref> list = new RefList.Builder<>();
 		try (BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(lsRemotePath), UTF_8))) {
+				new FileInputStream(lsRemotePath), CHARSET))) {
 			Ref last = null;
 			String line;
 			while ((line = br.readLine()) != null) {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/MakeCacheTree.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/MakeCacheTree.java
index 127e541..2a1326d 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/MakeCacheTree.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/MakeCacheTree.java
@@ -65,7 +65,7 @@
 		show(tree);
 	}
 
-	private void show(final DirCacheTree tree) throws IOException {
+	private void show(DirCacheTree tree) throws IOException {
 		outw.println(MessageFormat.format(CLIText.get().cacheTreePathInfo,
 				tree.getPathString(), valueOf(tree.getEntrySpan()),
 				valueOf(tree.getChildCount())));
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
index 2e41eec..2d16fef 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildCommitGraph.java
@@ -43,8 +43,6 @@
 
 package org.eclipse.jgit.pgm.debug;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
@@ -117,7 +115,7 @@
 	/** {@inheritDoc} */
 	@Override
 	protected void run() throws Exception {
-		if (!really && !db.getRefDatabase().getRefs(ALL).isEmpty()) {
+		if (!really && db.getRefDatabase().hasRefs()) {
 			File directory = db.getDirectory();
 			String absolutePath = directory == null ? "null" //$NON-NLS-1$
 					: directory.getAbsolutePath();
@@ -224,7 +222,7 @@
 
 		ObjectId newId;
 
-		ToRewrite(final ObjectId o, final long t, final ObjectId[] p) {
+		ToRewrite(ObjectId o, long t, ObjectId[] p) {
 			oldId = o;
 			commitTime = t;
 			oldParents = p;
@@ -247,8 +245,7 @@
 
 	private void deleteAllRefs() throws Exception {
 		final RevWalk rw = new RevWalk(db);
-		Map<String, Ref> refs = db.getRefDatabase().getRefs(ALL);
-		for (final Ref r : refs.values()) {
+		for (Ref r : db.getRefDatabase().getRefs()) {
 			if (Constants.HEAD.equals(r.getName()))
 				continue;
 			final RefUpdate u = db.updateRef(r.getName());
@@ -261,7 +258,7 @@
 		final Map<String, Ref> refs = computeNewRefs();
 		new RefWriter(refs.values()) {
 			@Override
-			protected void writeFile(final String name, final byte[] content)
+			protected void writeFile(String name, byte[] content)
 					throws IOException {
 				final File file = new File(db.getDirectory(), name);
 				final LockFile lck = new LockFile(file);
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildRefTree.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildRefTree.java
index 3172483..063600f 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildRefTree.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/RebuildRefTree.java
@@ -154,14 +154,14 @@
 					head));
 		}
 
-		for (Ref r : refdb.getRefs(RefDatabase.ALL).values()) {
+		for (Ref r : refdb.getRefs()) {
 			if (r.getName().equals(txnCommitted) || r.getName().equals(HEAD)
 					|| r.getName().startsWith(txnNamespace)) {
 				continue;
 			}
 			cmds.add(new org.eclipse.jgit.internal.storage.reftree.Command(
 					null,
-					db.peel(r)));
+					db.getRefDatabase().peel(r)));
 		}
 		tree.apply(cmds);
 		return tree;
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCacheTree.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCacheTree.java
index 20fa4a3..6b97e08 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCacheTree.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCacheTree.java
@@ -67,7 +67,7 @@
 		show(tree);
 	}
 
-	private void show(final DirCacheTree tree) throws IOException {
+	private void show(DirCacheTree tree) throws IOException {
 		outw.println(MessageFormat.format(CLIText.get().cacheTreePathInfo,
 				tree.getPathString(), valueOf(tree.getEntrySpan()),
 				valueOf(tree.getChildCount())));
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCommands.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCommands.java
index a960ec6..af56d65 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCommands.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowCommands.java
@@ -65,11 +65,11 @@
 		final CommandRef[] list = CommandCatalog.all();
 
 		int width = 0;
-		for (final CommandRef c : list)
+		for (CommandRef c : list)
 			width = Math.max(width, c.getName().length());
 		width += 2;
 
-		for (final CommandRef c : list) {
+		for (CommandRef c : list) {
 			errw.print(c.isCommon() ? '*' : ' ');
 			errw.print(' ');
 
@@ -87,7 +87,7 @@
 		/** */
 		USAGE {
 			@Override
-			void print(ThrowingPrintWriter err, final CommandRef c) throws IOException {
+			void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
 				String usage = c.getUsage();
 				if (usage != null && usage.length() > 0)
 					err.print(CLIText.get().resourceBundle().getString(usage));
@@ -97,7 +97,7 @@
 		/** */
 		CLASSES {
 			@Override
-			void print(ThrowingPrintWriter err, final CommandRef c) throws IOException {
+			void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
 				err.print(c.getImplementationClassName());
 			}
 		},
@@ -105,7 +105,7 @@
 		/** */
 		URLS {
 			@Override
-			void print(ThrowingPrintWriter err, final CommandRef c) throws IOException {
+			void print(ThrowingPrintWriter err, CommandRef c) throws IOException {
 				final ClassLoader ldr = c.getImplementationClassLoader();
 
 				String cn = c.getImplementationClassName();
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
index bbc1b0f..f39ecbe 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/ShowPackDelta.java
@@ -125,12 +125,13 @@
 			ptr++;
 		ptr++;
 
-		@SuppressWarnings("resource" /* java 7 */)
-		TemporaryBuffer.Heap raw = new TemporaryBuffer.Heap(bufArray.length);
-		InflaterInputStream inf = new InflaterInputStream(
-				new ByteArrayInputStream(bufArray, ptr, bufArray.length));
-		raw.copy(inf);
-		inf.close();
-		return raw.toByteArray();
+		try (TemporaryBuffer.Heap raw = new TemporaryBuffer.Heap(
+				bufArray.length);
+				InflaterInputStream inf = new InflaterInputStream(
+						new ByteArrayInputStream(bufArray, ptr,
+								bufArray.length))) {
+			raw.copy(inf);
+			return raw.toByteArray();
+		}
 	}
 }
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/TextHashFunctions.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/TextHashFunctions.java
index 83b7bce..bb51b50 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/TextHashFunctions.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/TextHashFunctions.java
@@ -288,11 +288,8 @@
 			else
 				rb.findGitDir(dir);
 
-			Repository repo = rb.build();
-			try {
+			try (Repository repo = rb.build()) {
 				run(repo);
-			} finally {
-				repo.close();
 			}
 		}
 	}
@@ -502,7 +499,7 @@
 		}
 	}
 
-	private static int tableBits(final int sz) {
+	private static int tableBits(int sz) {
 		int bits = 31 - Integer.numberOfLeadingZeros(sz);
 		if (bits == 0)
 			bits = 1;
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/WriteReftable.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/WriteReftable.java
index 6cbc1b0..c5ea028 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/WriteReftable.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug/WriteReftable.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.pgm.debug;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.HEAD;
 import static org.eclipse.jgit.lib.Constants.MASTER;
 import static org.eclipse.jgit.lib.Constants.R_HEADS;
@@ -192,7 +192,7 @@
 	static List<Ref> readRefs(String inputFile) throws IOException {
 		List<Ref> refs = new ArrayList<>();
 		try (BufferedReader br = new BufferedReader(
-				new InputStreamReader(new FileInputStream(inputFile), UTF_8))) {
+				new InputStreamReader(new FileInputStream(inputFile), CHARSET))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				ObjectId id = ObjectId.fromString(line.substring(0, 40));
@@ -227,7 +227,7 @@
 
 		List<LogEntry> log = new ArrayList<>();
 		try (BufferedReader br = new BufferedReader(
-				new InputStreamReader(new FileInputStream(logPath), UTF_8))) {
+				new InputStreamReader(new FileInputStream(logPath), CHARSET))) {
 			@SuppressWarnings("nls")
 			Pattern pattern = Pattern.compile("([^,]+)" // 1: ref
 					+ ",([0-9]+(?:[.][0-9]+)?)" // 2: time
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
index 6fe7927..a14f651 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/AbstractTreeIteratorHandler.java
@@ -98,7 +98,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		final String name = params.getParameter(0);
 
 		if (new File(name).isDirectory()) {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/CmdLineParser.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/CmdLineParser.java
index e071bdf..5cc98ca 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/CmdLineParser.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/CmdLineParser.java
@@ -111,7 +111,7 @@
 	 *             if the option bean class is using args4j annotations
 	 *             incorrectly.
 	 */
-	public CmdLineParser(final Object bean) {
+	public CmdLineParser(Object bean) {
 		this(bean, null);
 	}
 
@@ -130,7 +130,7 @@
 	 *             if the option bean class is using args4j annotations
 	 *             incorrectly.
 	 */
-	public CmdLineParser(final Object bean, Repository repo) {
+	public CmdLineParser(Object bean, Repository repo) {
 		super(bean);
 		if (bean instanceof TextBuiltin) {
 			cmd = (TextBuiltin) bean;
@@ -143,7 +143,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void parseArgument(final String... args) throws CmdLineException {
+	public void parseArgument(String... args) throws CmdLineException {
 		final ArrayList<String> tmp = new ArrayList<>(args.length);
 		for (int argi = 0; argi < args.length; argi++) {
 			final String str = args[argi];
@@ -232,7 +232,7 @@
 	 * @return true if the given array contains help option
 	 * @since 4.2
 	 */
-	protected boolean containsHelp(final String... args) {
+	protected boolean containsHelp(String... args) {
 		return TextBuiltin.containsHelp(args);
 	}
 
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
index 0e5b0f5..5f7e81e 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/ObjectIdHandler.java
@@ -84,7 +84,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		final String name = params.getParameter(0);
 		final ObjectId id;
 		try {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/PathTreeFilterHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/PathTreeFilterHandler.java
index 33d669c..d99f88e 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/PathTreeFilterHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/PathTreeFilterHandler.java
@@ -84,7 +84,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		final List<PathFilter> filters = new ArrayList<>();
 		for (int idx = 0;; idx++) {
 			final String path;
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RefSpecHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RefSpecHandler.java
index dd8520a..29577ed 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RefSpecHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RefSpecHandler.java
@@ -78,7 +78,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		setter.addValue(new RefSpec(params.getParameter(0)));
 		return 1;
 	}
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
index d2fa764..b925e31 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevCommitHandler.java
@@ -88,7 +88,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		String name = params.getParameter(0);
 
 		boolean interesting = true;
@@ -115,7 +115,7 @@
 		return 1;
 	}
 
-	private void addOne(final String name, final boolean interesting)
+	private void addOne(String name, boolean interesting)
 			throws CmdLineException {
 		final ObjectId id;
 		try {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
index 9444363..85922a2 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/RevTreeHandler.java
@@ -87,7 +87,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		final String name = params.getParameter(0);
 		final ObjectId id;
 		try {
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
index d60071f..92eebf4 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/opt/SubcommandHandler.java
@@ -84,7 +84,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int parseArguments(final Parameters params) throws CmdLineException {
+	public int parseArguments(Parameters params) throws CmdLineException {
 		final String name = params.getParameter(0);
 		final CommandRef cr = CommandCatalog.get(name);
 		if (cr == null)
diff --git a/org.eclipse.jgit.test/META-INF/MANIFEST.MF b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
index 83dc2bf..4b83fb0 100644
--- a/org.eclipse.jgit.test/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.test/META-INF/MANIFEST.MF
@@ -3,58 +3,58 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.test
 Bundle-SymbolicName: org.eclipse.jgit.test
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: com.googlecode.javaewah;version="[1.1.6,2.0.0)",
  com.jcraft.jsch;version="[0.1.54,0.2.0)",
- org.eclipse.jgit.api;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.api.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.attributes;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.awtui;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.blame;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.diff;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.dircache;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.events;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.fnmatch;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.gitrepo;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.hooks;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.ignore;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.ignore.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.fsck;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.dfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.io;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.reftable;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.internal.storage.reftree;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.junit;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lfs;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.merge;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.notes;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.patch;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.pgm;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.pgm.internal;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revplot;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.file;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.storage.pack;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.submodule;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.http;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport.resolver;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.treewalk.filter;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.io;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util.sha1;version="[4.11.10,4.12.0)",
+ org.eclipse.jgit.api;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.api.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.attributes;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.awtui;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.blame;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.diff;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.dircache;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.events;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.fnmatch;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.gitrepo;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.hooks;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.ignore;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.ignore.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.fsck;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.dfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.io;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.reftable;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.internal.storage.reftree;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.junit;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lfs;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.merge;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.notes;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.patch;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.pgm;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.pgm.internal;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revplot;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.file;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.storage.pack;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.submodule;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.http;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport.resolver;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.treewalk.filter;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.io;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util.sha1;version="[5.0.4,5.1.0)",
  org.junit;version="[4.12,5.0.0)",
  org.junit.experimental.theories;version="[4.12,5.0.0)",
  org.junit.rules;version="[4.12,5.0.0)",
diff --git a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/ignore/CGitVsJGitRandomIgnorePatternTest.java b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/ignore/CGitVsJGitRandomIgnorePatternTest.java
index 438d2d6..4d9e864 100644
--- a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/ignore/CGitVsJGitRandomIgnorePatternTest.java
+++ b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/ignore/CGitVsJGitRandomIgnorePatternTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.ignore;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -158,7 +158,7 @@
 			this.gitDir = gitDir;
 			this.pattern = pattern;
 			Files.write(FileUtils.toPath(new File(gitDir, ".gitignore")),
-					(pattern + "\n").getBytes(UTF_8), StandardOpenOption.CREATE,
+					(pattern + "\n").getBytes(CHARSET), StandardOpenOption.CREATE,
 					StandardOpenOption.TRUNCATE_EXISTING,
 					StandardOpenOption.WRITE);
 		}
@@ -188,7 +188,7 @@
 			Process proc = Runtime.getRuntime().exec(command, new String[0],
 					gitDir);
 			try (OutputStream out = proc.getOutputStream()) {
-				out.write((path + "\n").getBytes(UTF_8));
+				out.write((path + "\n").getBytes(CHARSET));
 				out.flush();
 			}
 			return proc;
diff --git a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/patch/EGitPatchHistoryTest.java b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/patch/EGitPatchHistoryTest.java
index 3f9ef12..79d8d0e 100644
--- a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/patch/EGitPatchHistoryTest.java
+++ b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/patch/EGitPatchHistoryTest.java
@@ -85,7 +85,7 @@
 
 		int errors;
 
-		PatchReader(final HashMap<String, HashMap<String, StatInfo>> s)
+		PatchReader(HashMap<String, HashMap<String, StatInfo>> s)
 				throws IOException {
 			super(new String[] { "-p" });
 			stats = s;
@@ -103,7 +103,7 @@
 			p.parse(buf, 0, buf.length - 1);
 			assertEquals("File count " + cid, files.size(), p.getFiles().size());
 			if (!p.getErrors().isEmpty()) {
-				for (final FormatError e : p.getErrors()) {
+				for (FormatError e : p.getErrors()) {
 					System.out.println("error " + e.getMessage());
 					System.out.println("  at " + e.getLineText());
 				}
@@ -111,7 +111,7 @@
 				fail("Unexpected error in " + cid);
 			}
 
-			for (final FileHeader fh : p.getFiles()) {
+			for (FileHeader fh : p.getFiles()) {
 				final String fileName;
 				if (fh.getChangeType() != FileHeader.ChangeType.DELETE)
 					fileName = fh.getNewPath();
@@ -121,7 +121,7 @@
 				final String nid = fileName + " in " + cid;
 				assertNotNull("No " + nid, s);
 				int added = 0, deleted = 0;
-				for (final HunkHeader h : fh.getHunks()) {
+				for (HunkHeader h : fh.getHunks()) {
 					added += h.getOldImage().getLinesAdded();
 					deleted += h.getOldImage().getLinesDeleted();
 				}
@@ -147,7 +147,7 @@
 			assertTrue("Missed files in " + cid, files.isEmpty());
 		}
 
-		private static void dump(final byte[] buf) {
+		private static void dump(byte[] buf) {
 			String str;
 			try {
 				str = new String(buf, 0, buf.length - 1, "ISO-8859-1");
@@ -188,7 +188,7 @@
 	static abstract class CommitReader {
 		private Process proc;
 
-		CommitReader(final String[] args) throws IOException {
+		CommitReader(String[] args) throws IOException {
 			final String[] realArgs = new String[3 + args.length + 1];
 			realArgs[0] = "git";
 			realArgs[1] = "log";
diff --git a/org.eclipse.jgit.test/exttst/org/eclipse/jgit/treewalk/FileTreeIteratorPerformanceTest.java b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/treewalk/FileTreeIteratorPerformanceTest.java
new file mode 100644
index 0000000..b238389
--- /dev/null
+++ b/org.eclipse.jgit.test/exttst/org/eclipse/jgit/treewalk/FileTreeIteratorPerformanceTest.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.treewalk;
+
+import static org.junit.Assert.fail;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.junit.RepositoryTestCase;
+import org.eclipse.jgit.treewalk.filter.PathFilter;
+import org.junit.Test;
+
+/**
+ * Simple performance test for git add / FileTreeIterator.
+ */
+public class FileTreeIteratorPerformanceTest extends RepositoryTestCase {
+
+	private static int N_OF_FILES = 501;
+
+	@Test
+	public void testPerformance() throws Exception {
+		try (Git git = new Git(db)) {
+			long times[] = new long[N_OF_FILES];
+			long sum = 0;
+			String lastName = null;
+			for (int i = 0; i < N_OF_FILES; i++) {
+				lastName = "a" + (i + 100000) + ".txt";
+				writeTrashFile(lastName, "");
+				long start = System.nanoTime();
+				git.add().addFilepattern(lastName).call();
+				long elapsed = System.nanoTime() - start;
+				times[i] = elapsed;
+				sum += elapsed;
+			}
+			System.out.println("Total (µs) " + sum / 1000.0);
+			for (int i = 0; i < times.length; i++) {
+				System.out
+						.println("Time " + i + " (µs) = " + times[i] / 1000.0);
+			}
+			FileTreeIterator iter = new FileTreeIterator(db);
+			try (TreeWalk walk = new TreeWalk(db)) {
+				walk.setFilter(PathFilter.create(lastName));
+				walk.addTree(iter);
+				long start = System.nanoTime();
+				if (walk.next()) {
+					System.out.println("Walk time (µs) = "
+							+ (System.nanoTime() - start) / 1000.0);
+				} else {
+					fail("File not found");
+				}
+			}
+		}
+	}
+}
diff --git a/org.eclipse.jgit.test/pom.xml b/org.eclipse.jgit.test/pom.xml
index ab8b8ba..e6c7128 100644
--- a/org.eclipse.jgit.test/pom.xml
+++ b/org.eclipse.jgit.test/pom.xml
@@ -52,7 +52,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.test</artifactId>
@@ -62,6 +62,10 @@
     JUnit tests for the core library.
   </description>
 
+  <properties>
+    <maven.javadoc.skip>true</maven.javadoc.skip>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>junit</groupId>
diff --git a/org.eclipse.jgit.test/tests.bzl b/org.eclipse.jgit.test/tests.bzl
index c75ab76..f368000 100644
--- a/org.eclipse.jgit.test/tests.bzl
+++ b/org.eclipse.jgit.test/tests.bzl
@@ -19,6 +19,10 @@
         if "lib" not in labels:
             labels.append("lib")
 
+        # TODO(http://eclip.se/534285): Make this test pass reliably
+        # and remove the flaky attribute.
+        flaky = src.endswith("CrissCrossMergeTest.java")
+
         additional_deps = []
         if src.endswith("RootLocaleTest.java"):
             additional_deps = [
@@ -52,5 +56,6 @@
                 "//org.eclipse.jgit.junit:junit",
                 "//org.eclipse.jgit.lfs:jgit-lfs",
             ],
+            flaky = flaky,
             jvm_flags = ["-Xmx256m", "-Dfile.encoding=UTF-8"],
         )
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ApplyCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ApplyCommandTest.java
index 172807c..1dd329a 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ApplyCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ApplyCommandTest.java
@@ -64,7 +64,7 @@
 
 	private RawText b;
 
-	private ApplyResult init(final String name) throws Exception {
+	private ApplyResult init(String name) throws Exception {
 		return init(name, true, true);
 	}
 
@@ -273,7 +273,7 @@
 		assertFalse(new File(db.getWorkTree(), "NonASCIIDel").exists());
 	}
 
-	private static byte[] readFile(final String patchFile) throws IOException {
+	private static byte[] readFile(String patchFile) throws IOException {
 		final InputStream in = getTestResource(patchFile);
 		if (in == null) {
 			fail("No " + patchFile + " test vector");
@@ -291,7 +291,7 @@
 		}
 	}
 
-	private static InputStream getTestResource(final String patchFile) {
+	private static InputStream getTestResource(String patchFile) {
 		return ApplyCommandTest.class.getClassLoader()
 				.getResourceAsStream("org/eclipse/jgit/diff/" + patchFile);
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
index edab96b..1300f98 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ArchiveCommandTest.java
@@ -229,11 +229,6 @@
 		}
 
 		@Override
-		public void putEntry(MockOutputStream out, String path, FileMode mode, ObjectLoader loader) {
-			putEntry(out, null, path, mode, loader);
-		}
-
-		@Override
 		public void putEntry(MockOutputStream out, ObjectId tree, String path, FileMode mode, ObjectLoader loader) {
 			String content = mode != FileMode.TREE ? new String(loader.getBytes()) : null;
 			entries.put(path, content);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BlameCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BlameCommandTest.java
index f37aa13..7a1d222 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BlameCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BlameCommandTest.java
@@ -136,7 +136,7 @@
 		testRename("subdir/file1.txt", "otherdir/file1.txt");
 	}
 
-	private void testRename(final String sourcePath, final String destPath)
+	private void testRename(String sourcePath, String destPath)
 			throws Exception {
 		try (Git git = new Git(db)) {
 			String[] content1 = new String[] { "a", "b", "c" };
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BranchCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BranchCommandTest.java
index 2fe40b9..08f1fdf 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BranchCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/BranchCommandTest.java
@@ -191,6 +191,18 @@
 				- allBefore);
 	}
 
+	@Test(expected = InvalidRefNameException.class)
+	public void testInvalidBranchHEAD() throws Exception {
+		git.branchCreate().setName("HEAD").call();
+		fail("Create branch with invalid ref name should fail");
+	}
+
+	@Test(expected = InvalidRefNameException.class)
+	public void testInvalidBranchDash() throws Exception {
+		git.branchCreate().setName("-x").call();
+		fail("Create branch with invalid ref name should fail");
+	}
+
 	@Test
 	public void testListAllBranchesShouldNotDie() throws Exception {
 		setUpRepoWithRemote().branchList().setListMode(ListMode.ALL).call();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CherryPickCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CherryPickCommandTest.java
index 354b9c6..fbc2cf6 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CherryPickCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CherryPickCommandTest.java
@@ -338,7 +338,7 @@
 		}
 	}
 
-	private RevCommit prepareCherryPick(final Git git) throws Exception {
+	private RevCommit prepareCherryPick(Git git) throws Exception {
 		// create, add and commit file a
 		writeTrashFile("a", "a");
 		git.add().addFilepattern("a").call();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitCommandTest.java
index 0dd3749..3a13aa5 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitCommandTest.java
@@ -54,7 +54,7 @@
 import java.util.List;
 import java.util.TimeZone;
 
-import org.eclipse.jgit.api.errors.EmtpyCommitException;
+import org.eclipse.jgit.api.errors.EmptyCommitException;
 import org.eclipse.jgit.api.errors.WrongRepositoryStateException;
 import org.eclipse.jgit.diff.DiffEntry;
 import org.eclipse.jgit.dircache.DirCache;
@@ -553,8 +553,8 @@
 				git.commit().setAuthor("New Author", "newauthor@example.org")
 						.setMessage("again no change").setAllowEmpty(false)
 						.call();
-				fail("Didn't get the expected EmtpyCommitException");
-			} catch (EmtpyCommitException e) {
+				fail("Didn't get the expected EmptyCommitException");
+			} catch (EmptyCommitException e) {
 				// expect this exception
 			}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
index cc21b47..bbd6ec0 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/CommitOnlyTest.java
@@ -1289,7 +1289,7 @@
 		return null;
 	}
 
-	static private String getHead(final Git git, final String path)
+	static private String getHead(Git git, String path)
 			throws Exception {
 		try {
 			final Repository repo = git.getRepository();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/DescribeCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/DescribeCommandTest.java
index be67893..f2093e3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/DescribeCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/DescribeCommandTest.java
@@ -55,7 +55,6 @@
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.RefNotFoundException;
-import org.eclipse.jgit.errors.InvalidPatternException;
 import org.eclipse.jgit.junit.RepositoryTestCase;
 import org.eclipse.jgit.lib.ObjectId;
 import org.junit.Test;
@@ -69,13 +68,18 @@
 
 	private Git git;
 
-	@Parameter
+	@Parameter(0)
 	public boolean useAnnotatedTags;
 
-	@Parameters
+	@Parameter(1)
+	public boolean describeUseAllTags;
+
+	@Parameters(name = "git tag -a {0}?-a: with git describe {1}?--tags:")
 	public static Collection<Boolean[]> getUseAnnotatedTagsValues() {
-		return Arrays.asList(new Boolean[][] { { Boolean.TRUE },
-				{ Boolean.FALSE } });
+		return Arrays.asList(new Boolean[][] { { Boolean.TRUE, Boolean.FALSE },
+				{ Boolean.FALSE, Boolean.FALSE },
+				{ Boolean.TRUE, Boolean.TRUE },
+				{ Boolean.FALSE, Boolean.TRUE } });
 	}
 
 	@Override
@@ -100,35 +104,52 @@
 		tag("bob-t2");
 
 		ObjectId c4 = modify("ddd");
+		assertNameStartsWith(c4, "3e563c5");
 
 		assertNull(describe(c1));
 		assertNull(describe(c1, true));
 		assertNull(describe(c1, "a*", "b*", "c*"));
-
-		assertEquals("alice-t1", describe(c2));
-		assertEquals("alice-t1", describe(c2, "alice*"));
 		assertNull(describe(c2, "bob*"));
 		assertNull(describe(c2, "?ob*"));
-		assertEquals("alice-t1", describe(c2, "a*", "b*", "c*"));
 
-		assertEquals("bob-t2", describe(c3));
-		assertEquals("bob-t2-0-g44579eb", describe(c3, true));
-		assertEquals("alice-t1-1-g44579eb", describe(c3, "alice*"));
-		assertEquals("alice-t1-1-g44579eb", describe(c3, "a??c?-t*"));
-		assertEquals("bob-t2", describe(c3, "bob*"));
-		assertEquals("bob-t2", describe(c3, "?ob*"));
-		assertEquals("bob-t2", describe(c3, "a*", "b*", "c*"));
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("alice-t1", describe(c2));
+			assertEquals("alice-t1", describe(c2, "alice*"));
+			assertEquals("alice-t1", describe(c2, "a*", "b*", "c*"));
 
-		assertNameStartsWith(c4, "3e563c5");
-		// the value verified with git-describe(1)
-		assertEquals("bob-t2-1-g3e563c5", describe(c4));
-		assertEquals("bob-t2-1-g3e563c5", describe(c4, true));
-		assertEquals("alice-t1-2-g3e563c5", describe(c4, "alice*"));
-		assertEquals("bob-t2-1-g3e563c5", describe(c4, "bob*"));
-		assertEquals("bob-t2-1-g3e563c5", describe(c4, "a*", "b*", "c*"));
+			assertEquals("bob-t2", describe(c3));
+			assertEquals("bob-t2-0-g44579eb", describe(c3, true));
+			assertEquals("alice-t1-1-g44579eb", describe(c3, "alice*"));
+			assertEquals("alice-t1-1-g44579eb", describe(c3, "a??c?-t*"));
+			assertEquals("bob-t2", describe(c3, "bob*"));
+			assertEquals("bob-t2", describe(c3, "?ob*"));
+			assertEquals("bob-t2", describe(c3, "a*", "b*", "c*"));
+
+			// the value verified with git-describe(1)
+			assertEquals("bob-t2-1-g3e563c5", describe(c4));
+			assertEquals("bob-t2-1-g3e563c5", describe(c4, true));
+			assertEquals("alice-t1-2-g3e563c5", describe(c4, "alice*"));
+			assertEquals("bob-t2-1-g3e563c5", describe(c4, "bob*"));
+			assertEquals("bob-t2-1-g3e563c5", describe(c4, "a*", "b*", "c*"));
+		} else {
+			assertEquals(null, describe(c2));
+			assertEquals(null, describe(c3));
+			assertEquals(null, describe(c4));
+		}
 
 		// test default target
-		assertEquals("bob-t2-1-g3e563c5", git.describe().call());
+		if (useAnnotatedTags) {
+			assertEquals("bob-t2-1-g3e563c5", git.describe().call());
+			assertEquals("bob-t2-1-g3e563c5",
+					git.describe().setTags(false).call());
+			assertEquals("bob-t2-1-g3e563c5",
+					git.describe().setTags(true).call());
+		} else {
+			assertEquals(null, git.describe().call());
+			assertEquals(null, git.describe().setTags(false).call());
+			assertEquals("bob-t2-1-g3e563c5",
+					git.describe().setTags(true).call());
+		}
 	}
 
 	@Test
@@ -143,12 +164,17 @@
 		tag("v1.1.1");
 		ObjectId c2 = modify("bbb");
 
+		if (!useAnnotatedTags && !describeUseAllTags) {
+			assertEquals(null, describe(c1));
+			assertEquals(null, describe(c2));
+			return;
+		}
+
 		// Ensure that if we're interested in any tags, we get the most recent tag
 		// as per Git behaviour since 1.7.1.1
 		if (useAnnotatedTags) {
 			assertEquals("v1.1.1", describe(c1));
 			assertEquals("v1.1.1-1-gb89dead", describe(c2));
-
 			// Ensure that if we're only interested in one of multiple tags, we get the right match
 			assertEquals("v1.0.1", describe(c1, "v1.0*"));
 			assertEquals("v1.1.1", describe(c1, "v1.1*"));
@@ -204,7 +230,11 @@
 		ObjectId c4 = merge(c2);
 
 		assertNameStartsWith(c4, "119892b");
-		assertEquals("t-2-g119892b", describe(c4)); // 2 commits: c4 and c3
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("2 commits: c4 and c3", "t-2-g119892b", describe(c4));
+		} else {
+			assertEquals(null, describe(c4));
+		}
 		assertNull(describe(c3));
 		assertNull(describe(c3, true));
 	}
@@ -236,14 +266,76 @@
 		branch("b", c1);
 
 		ObjectId c3 = modify("ccc");
+		assertNameStartsWith(c3, "0244e7f");
 
 		ObjectId c4 = merge(c2);
 
 		assertNameStartsWith(c4, "119892b");
-		assertEquals("t2-2-g119892b", describe(c4)); // 2 commits: c4 and c3
+
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("t2-2-g119892b", describe(c4)); // 2 commits: c4 and c3
+			assertEquals("t1-1-g0244e7f", describe(c3));
+		} else {
+			assertEquals(null, describe(c4));
+			assertEquals(null, describe(c3));
+		}
+	}
+
+	/**
+	 * When t1 annotated dominates t2 lightweight tag
+	 *
+	 * <pre>
+	 * t1 -+-> t2  -
+	 *     |       |
+	 *     +-> c3 -+-> c4
+	 * </pre>
+	 *
+	 * @throws Exception
+	 */
+	@Test
+	public void t1AnnotatedDominatesT2lightweight() throws Exception {
+		ObjectId c1 = modify("aaa");
+		tag("t1", useAnnotatedTags);
+
+		ObjectId c2 = modify("bbb");
+		tag("t2", false);
+
+		assertNameStartsWith(c2, "3747db3");
+		if (useAnnotatedTags && !describeUseAllTags) {
+			assertEquals(
+					"only annotated tag t1 expected to be used for describe",
+					"t1-1-g3747db3", describe(c2)); // 1 commits: t2 overridden
+													// by t1
+		} else if (!useAnnotatedTags && !describeUseAllTags) {
+			assertEquals("no commits to describe expected", null, describe(c2));
+		} else {
+			assertEquals("lightweight tag t2 expected in describe", "t2",
+					describe(c2));
+		}
+
+		branch("b", c1);
+
+		ObjectId c3 = modify("ccc");
 
 		assertNameStartsWith(c3, "0244e7f");
-		assertEquals("t1-1-g0244e7f", describe(c3));
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("t1-1-g0244e7f", describe(c3));
+		}
+
+		ObjectId c4 = merge(c2);
+
+		assertNameStartsWith(c4, "119892b");
+		if (describeUseAllTags) {
+			assertEquals(
+					"2 commits for describe commit increment expected since lightweight tag: c4 and c3",
+					"t2-2-g119892b", describe(c4)); // 2 commits: c4 and c3
+		} else if (!useAnnotatedTags && !describeUseAllTags) {
+			assertEquals("no matching commits expected", null, describe(c4));
+		} else {
+			assertEquals(
+					"3 commits for describe commit increment expected since annotated tag: c4 and c3 and c2",
+					"t1-3-g119892b", describe(c4)); //
+		}
 	}
 
 	/**
@@ -271,7 +363,11 @@
 		ObjectId c4 = merge(t1);
 
 		assertNameStartsWith(c4, "bb389a4");
-		assertEquals("t1-3-gbb389a4", describe(c4));
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("t1-3-gbb389a4", describe(c4));
+		} else {
+			assertEquals(null, describe(c4));
+		}
 	}
 
 	/**
@@ -300,7 +396,11 @@
 		ObjectId c4 = merge(c2);
 
 		assertNameStartsWith(c4, "bb389a4");
-		assertEquals("t2-4-gbb389a4", describe(c4));
+		if (useAnnotatedTags || describeUseAllTags) {
+			assertEquals("t2-4-gbb389a4", describe(c4));
+		} else {
+			assertEquals(null, describe(c4));
+		}
 	}
 
 	private ObjectId merge(ObjectId c2) throws GitAPIException {
@@ -314,10 +414,15 @@
 	}
 
 	private void tag(String tag) throws GitAPIException {
+		tag(tag, this.useAnnotatedTags);
+	}
+
+	private void tag(String tag, boolean annotatedTag) throws GitAPIException {
 		TagCommand tagCommand = git.tag().setName(tag)
-				.setAnnotated(useAnnotatedTags);
-		if (useAnnotatedTags)
+				.setAnnotated(annotatedTag);
+		if (annotatedTag) {
 			tagCommand.setMessage(tag);
+		}
 		tagCommand.call();
 	}
 
@@ -329,15 +434,17 @@
 
 	private String describe(ObjectId c1, boolean longDesc)
 			throws GitAPIException, IOException {
-		return git.describe().setTarget(c1).setLong(longDesc).call();
+		return git.describe().setTarget(c1).setTags(describeUseAllTags)
+				.setLong(longDesc).call();
 	}
 
 	private String describe(ObjectId c1) throws GitAPIException, IOException {
 		return describe(c1, false);
 	}
 
-	private String describe(ObjectId c1, String... patterns) throws GitAPIException, IOException, InvalidPatternException {
-		return git.describe().setTarget(c1).setMatch(patterns).call();
+	private String describe(ObjectId c1, String... patterns) throws Exception {
+		return git.describe().setTarget(c1).setTags(describeUseAllTags)
+				.setMatch(patterns).call();
 	}
 
 	private static void assertNameStartsWith(ObjectId c4, String prefix) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/EolStreamTypeUtilTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/EolStreamTypeUtilTest.java
index 1e3a39a..bb303cc 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/EolStreamTypeUtilTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/EolStreamTypeUtilTest.java
@@ -42,7 +42,7 @@
 
 package org.eclipse.jgit.api;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.CoreConfig.EolStreamType.AUTO_CRLF;
 import static org.eclipse.jgit.lib.CoreConfig.EolStreamType.AUTO_LF;
 import static org.eclipse.jgit.lib.CoreConfig.EolStreamType.DIRECT;
@@ -150,8 +150,8 @@
 			EolStreamType streamTypeWithBinaryCheck, String output,
 			String expectedConversion) throws Exception {
 		ByteArrayOutputStream b;
-		byte[] outputBytes = output.getBytes(UTF_8);
-		byte[] expectedConversionBytes = expectedConversion.getBytes(UTF_8);
+		byte[] outputBytes = output.getBytes(CHARSET);
+		byte[] expectedConversionBytes = expectedConversion.getBytes(CHARSET);
 
 		// test using output text and assuming it was declared TEXT
 		b = new ByteArrayOutputStream();
@@ -277,8 +277,8 @@
 	private void testCheckin(EolStreamType streamTypeText,
 			EolStreamType streamTypeWithBinaryCheck, String input,
 			String expectedConversion) throws Exception {
-		byte[] inputBytes = input.getBytes(UTF_8);
-		byte[] expectedConversionBytes = expectedConversion.getBytes(UTF_8);
+		byte[] inputBytes = input.getBytes(CHARSET);
+		byte[] expectedConversionBytes = expectedConversion.getBytes(CHARSET);
 
 		// test using input text and assuming it was declared TEXT
 		try (InputStream in = EolStreamTypeUtil.wrapInputStream(
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/FetchCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/FetchCommandTest.java
index 530fb1b..adc4d98 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/FetchCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/FetchCommandTest.java
@@ -43,12 +43,17 @@
 package org.eclipse.jgit.api;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
+import java.io.File;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
+import org.eclipse.jgit.junit.JGitTestUtil;
 import org.eclipse.jgit.junit.RepositoryTestCase;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.ObjectId;
@@ -105,6 +110,25 @@
 	}
 
 	@Test
+	public void testForcedFetch() throws Exception {
+		remoteGit.commit().setMessage("commit").call();
+		remoteGit.commit().setMessage("commit2").call();
+		git.fetch().setRemote("test")
+				.setRefSpecs("refs/heads/master:refs/heads/master").call();
+
+		remoteGit.commit().setAmend(true).setMessage("amended").call();
+		FetchResult res = git.fetch().setRemote("test")
+				.setRefSpecs("refs/heads/master:refs/heads/master").call();
+		assertEquals(RefUpdate.Result.REJECTED,
+				res.getTrackingRefUpdate("refs/heads/master").getResult());
+		res = git.fetch().setRemote("test")
+				.setRefSpecs("refs/heads/master:refs/heads/master")
+				.setForceUpdate(true).call();
+		assertEquals(RefUpdate.Result.FORCED,
+				res.getTrackingRefUpdate("refs/heads/master").getResult());
+	}
+
+	@Test
 	public void fetchAddsBranches() throws Exception {
 		final String branch1 = "b1";
 		final String branch2 = "b2";
@@ -275,6 +299,45 @@
 	}
 
 	@Test
+	public void testFetchWithPruneShouldKeepOriginHead() throws Exception {
+		// Create a commit in the test repo.
+		commitFile("foo", "foo", "master");
+		// Produce a real clone of the git repo
+		Git cloned = Git.cloneRepository()
+				.setDirectory(createTempDirectory("testCloneRepository"))
+				.setURI("file://"
+						+ git.getRepository().getWorkTree().getAbsolutePath())
+				.call();
+		assertNotNull(cloned);
+		Repository clonedRepo = cloned.getRepository();
+		addRepoToClose(clonedRepo);
+		ObjectId originMasterId = clonedRepo
+				.resolve("refs/remotes/origin/master");
+		assertNotNull("Should have origin/master", originMasterId);
+		assertNotEquals("origin/master should not be zero ID",
+				ObjectId.zeroId(), originMasterId);
+		// Canonical git creates origin/HEAD; JGit (for now) doesn't. Let's
+		// pretend we did the clone via command-line git.
+		ObjectId originHeadId = clonedRepo.resolve("refs/remotes/origin/HEAD");
+		if (originHeadId == null) {
+			JGitTestUtil.write(
+					new File(clonedRepo.getDirectory(),
+							"refs/remotes/origin/HEAD"),
+					"ref: refs/remotes/origin/master\n");
+			originHeadId = clonedRepo.resolve("refs/remotes/origin/HEAD");
+		}
+		assertEquals("Should have origin/HEAD", originMasterId, originHeadId);
+		FetchResult result = cloned.fetch().setRemote("origin")
+				.setRemoveDeletedRefs(true).call();
+		assertTrue("Fetch after clone should be up-to-date",
+				result.getTrackingRefUpdates().isEmpty());
+		assertEquals("origin/master should still exist", originMasterId,
+				clonedRepo.resolve("refs/remotes/origin/master"));
+		assertEquals("origin/HEAD should be unchanged", originHeadId,
+				clonedRepo.resolve("refs/remotes/origin/HEAD"));
+	}
+
+	@Test
 	public void fetchAddRefsWithDuplicateRefspec() throws Exception {
 		final String branchName = "branch";
 		final String remoteBranchName = "test/" + branchName;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/LogCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/LogCommandTest.java
index bd0efad..4ef511e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/LogCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/LogCommandTest.java
@@ -116,7 +116,7 @@
 		Iterator<RevCommit> log = git.log().all().call().iterator();
 		assertTrue(log.hasNext());
 		RevCommit commit = log.next();
-		tag = db.peel(tag);
+		tag = db.getRefDatabase().peel(tag);
 
 		assertEquals(commit.getName(), tag.getPeeledObjectId().getName());
 		assertTrue(commits.contains(commit));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java
index 4b23349..9af003d 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/MergeCommandTest.java
@@ -54,6 +54,7 @@
 
 import java.io.File;
 import java.util.Iterator;
+import java.util.regex.Pattern;
 
 import org.eclipse.jgit.api.MergeCommand.FastForwardMode;
 import org.eclipse.jgit.api.MergeResult.MergeStatus;
@@ -1584,27 +1585,31 @@
 		assertEquals(MergeStatus.CONFLICTING, result.getMergeStatus());
 	}
 
+	private Ref prepareSuccessfulMerge(Git git) throws Exception {
+		writeTrashFile("a", "1\na\n3\n");
+		git.add().addFilepattern("a").call();
+		RevCommit initialCommit = git.commit().setMessage("initial").call();
+
+		createBranch(initialCommit, "refs/heads/side");
+		checkoutBranch("refs/heads/side");
+
+		writeTrashFile("b", "1\nb\n3\n");
+		git.add().addFilepattern("b").call();
+		git.commit().setMessage("side").call();
+
+		checkoutBranch("refs/heads/master");
+
+		writeTrashFile("c", "1\nc\n3\n");
+		git.add().addFilepattern("c").call();
+		git.commit().setMessage("main").call();
+
+		return db.exactRef("refs/heads/side");
+	}
+
 	@Test
 	public void testMergeWithMessageOption() throws Exception {
 		try (Git git = new Git(db)) {
-			writeTrashFile("a", "1\na\n3\n");
-			git.add().addFilepattern("a").call();
-			RevCommit initialCommit = git.commit().setMessage("initial").call();
-
-			createBranch(initialCommit, "refs/heads/side");
-			checkoutBranch("refs/heads/side");
-
-			writeTrashFile("b", "1\nb\n3\n");
-			git.add().addFilepattern("b").call();
-			git.commit().setMessage("side").call();
-
-			checkoutBranch("refs/heads/master");
-
-			writeTrashFile("c", "1\nc\n3\n");
-			git.add().addFilepattern("c").call();
-			git.commit().setMessage("main").call();
-
-			Ref sideBranch = db.exactRef("refs/heads/side");
+			Ref sideBranch = prepareSuccessfulMerge(git);
 
 			git.merge().include(sideBranch).setStrategy(MergeStrategy.RESOLVE)
 					.setMessage("user message").call();
@@ -1618,6 +1623,43 @@
 	}
 
 	@Test
+	public void testMergeWithChangeId() throws Exception {
+		try (Git git = new Git(db)) {
+			Ref sideBranch = prepareSuccessfulMerge(git);
+
+			git.merge().include(sideBranch).setStrategy(MergeStrategy.RESOLVE)
+					.setInsertChangeId(true).call();
+
+			assertNull(db.readMergeCommitMsg());
+
+			Iterator<RevCommit> it = git.log().call().iterator();
+			RevCommit newHead = it.next();
+			String commitMessage = newHead.getFullMessage();
+			assertTrue(Pattern.compile("\nChange-Id: I[0-9a-fA-F]{40}\n")
+					.matcher(commitMessage).find());
+		}
+	}
+
+	@Test
+	public void testMergeWithMessageAndChangeId() throws Exception {
+		try (Git git = new Git(db)) {
+			Ref sideBranch = prepareSuccessfulMerge(git);
+
+			git.merge().include(sideBranch).setStrategy(MergeStrategy.RESOLVE)
+					.setMessage("user message").setInsertChangeId(true).call();
+
+			assertNull(db.readMergeCommitMsg());
+
+			Iterator<RevCommit> it = git.log().call().iterator();
+			RevCommit newHead = it.next();
+			String commitMessage = newHead.getFullMessage();
+			assertTrue(commitMessage.startsWith("user message\n\n"));
+			assertTrue(Pattern.compile("\nChange-Id: I[0-9a-fA-F]{40}\n")
+					.matcher(commitMessage).find());
+		}
+	}
+
+	@Test
 	public void testMergeConflictWithMessageOption() throws Exception {
 		try (Git git = new Git(db)) {
 			writeTrashFile("a", "1\na\n3\n");
@@ -1657,7 +1699,7 @@
 				.getWorkTree(), path));
 	}
 
-	private static RevCommit addAllAndCommit(final Git git) throws Exception {
+	private static RevCommit addAllAndCommit(Git git) throws Exception {
 		git.add().addFilepattern(".").call();
 		return git.commit().setMessage("message").call();
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/NotesCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/NotesCommandTest.java
index 6e06e95..e234aa3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/NotesCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/NotesCommandTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.api;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 
 import java.util.List;
@@ -88,7 +88,7 @@
 		git.notesAdd().setObjectId(commit2).setMessage("data").call();
 		Note note = git.notesShow().setObjectId(commit2).call();
 		String content = new String(db.open(note.getData()).getCachedBytes(),
-				UTF_8);
+				CHARSET);
 		assertEquals(content, "data");
 
 		git.notesRemove().setObjectId(commit2).call();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandTest.java
index 9461c42..0b0e3bf 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.api;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -592,7 +592,7 @@
 	private static void writeToFile(File actFile, String string)
 			throws IOException {
 		try (FileOutputStream fos = new FileOutputStream(actFile)) {
-			fos.write(string.getBytes(UTF_8));
+			fos.write(string.getBytes(CHARSET));
 		}
 	}
 
@@ -606,7 +606,7 @@
 				bos.write(buffer, 0, read);
 				read = fis.read(buffer);
 			}
-			String content = new String(bos.toByteArray(), UTF_8);
+			String content = new String(bos.toByteArray(), CHARSET);
 			assertEquals(string, content);
 		}
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandWithRebaseTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandWithRebaseTest.java
index 913b4ac..b349c66 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandWithRebaseTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PullCommandWithRebaseTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.api;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -396,7 +396,7 @@
 	private static void writeToFile(File actFile, String string)
 			throws IOException {
 		try (FileOutputStream fos = new FileOutputStream(actFile)) {
-			fos.write(string.getBytes(UTF_8));
+			fos.write(string.getBytes(CHARSET));
 		}
 	}
 
@@ -410,7 +410,7 @@
 				bos.write(buffer, 0, read);
 				read = fis.read(buffer);
 			}
-			String content = new String(bos.toByteArray(), UTF_8);
+			String content = new String(bos.toByteArray(), CHARSET);
 			assertEquals(string, content);
 		}
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PushCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PushCommandTest.java
index e0c1499..1af37e2 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PushCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/PushCommandTest.java
@@ -152,7 +152,7 @@
 		}
 	}
 
-	private File writeHookFile(final String name, final String data)
+	private File writeHookFile(String name, String data)
 			throws IOException {
 		File path = new File(db.getWorkTree() + "/.git/hooks/", name);
 		JGitTestUtil.write(path, data);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
index 2bf91ae..96e7091 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RebaseCommandTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.api;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.MatcherAssert.assertThat;
@@ -1464,7 +1464,7 @@
 		assertEquals("GIT_AUTHOR_DATE='@123456789 -0100'", lines[2]);
 
 		PersonIdent parsedIdent = git.rebase().parseAuthor(
-				convertedAuthor.getBytes(UTF_8));
+				convertedAuthor.getBytes(CHARSET));
 		assertEquals(ident.getName(), parsedIdent.getName());
 		assertEquals(ident.getEmailAddress(), parsedIdent.getEmailAddress());
 		// this is rounded to the last second
@@ -1481,7 +1481,7 @@
 		assertEquals("GIT_AUTHOR_DATE='@123456789 +0930'", lines[2]);
 
 		parsedIdent = git.rebase().parseAuthor(
-				convertedAuthor.getBytes(UTF_8));
+				convertedAuthor.getBytes(CHARSET));
 		assertEquals(ident.getName(), parsedIdent.getName());
 		assertEquals(ident.getEmailAddress(), parsedIdent.getEmailAddress());
 		assertEquals(123456789000L, parsedIdent.getWhen().getTime());
@@ -2104,7 +2104,7 @@
 		int count = 0;
 		File todoFile = getTodoFile();
 		try (BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(todoFile), UTF_8))) {
+				new FileInputStream(todoFile), CHARSET))) {
 			String line = br.readLine();
 			while (line != null) {
 				int firstBlank = line.indexOf(' ');
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ResetCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ResetCommandTest.java
index ba51881..8f56a92 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ResetCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/ResetCommandTest.java
@@ -100,39 +100,39 @@
 		File nestedFile = new File(dir, "b.txt");
 		FileUtils.createNewFile(nestedFile);
 
-		PrintWriter nesterFileWriter = new PrintWriter(nestedFile);
-		nesterFileWriter.print("content");
-		nesterFileWriter.flush();
+		try (PrintWriter nestedFileWriter = new PrintWriter(nestedFile)) {
+			nestedFileWriter.print("content");
+			nestedFileWriter.flush();
 
-		// create file
-		indexFile = new File(db.getWorkTree(), "a.txt");
-		FileUtils.createNewFile(indexFile);
-		PrintWriter writer = new PrintWriter(indexFile);
-		writer.print("content");
-		writer.flush();
+			// create file
+			indexFile = new File(db.getWorkTree(), "a.txt");
+			FileUtils.createNewFile(indexFile);
+			try (PrintWriter writer = new PrintWriter(indexFile)) {
+				writer.print("content");
+				writer.flush();
 
-		// add file and commit it
-		git.add().addFilepattern("dir").addFilepattern("a.txt").call();
-		secondCommit = git.commit().setMessage("adding a.txt and dir/b.txt")
-				.call();
+				// add file and commit it
+				git.add().addFilepattern("dir").addFilepattern("a.txt").call();
+				secondCommit = git.commit()
+						.setMessage("adding a.txt and dir/b.txt").call();
 
-		prestage = DirCache.read(db.getIndexFile(), db.getFS()).getEntry(
-				indexFile.getName());
+				prestage = DirCache.read(db.getIndexFile(), db.getFS())
+						.getEntry(indexFile.getName());
 
-		// modify file and add to index
-		writer.print("new content");
-		writer.close();
-		nesterFileWriter.print("new content");
-		nesterFileWriter.close();
+				// modify file and add to index
+				writer.print("new content");
+			}
+			nestedFileWriter.print("new content");
+		}
 		git.add().addFilepattern("a.txt").addFilepattern("dir").call();
 
 		// create a file not added to the index
 		untrackedFile = new File(db.getWorkTree(),
 				"notAddedToIndex.txt");
 		FileUtils.createNewFile(untrackedFile);
-		PrintWriter writer2 = new PrintWriter(untrackedFile);
-		writer2.print("content");
-		writer2.close();
+		try (PrintWriter writer2 = new PrintWriter(untrackedFile)) {
+			writer2.print("content");
+		}
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RevertCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RevertCommandTest.java
index ea63104..d77c4e1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RevertCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/RevertCommandTest.java
@@ -379,7 +379,7 @@
 		}
 	}
 
-	private RevCommit prepareRevert(final Git git) throws Exception {
+	private RevCommit prepareRevert(Git git) throws Exception {
 		// create, add and commit file a
 		writeTrashFile("a", "a");
 		git.add().addFilepattern("a").call();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StashCreateCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StashCreateCommandTest.java
index b9f9f5b..3b582d7 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StashCreateCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/StashCreateCommandTest.java
@@ -94,7 +94,7 @@
 		untrackedFile = writeTrashFile("untracked.txt", "content");
 	}
 
-	private void validateStashedCommit(final RevCommit commit)
+	private void validateStashedCommit(RevCommit commit)
 			throws IOException {
 		validateStashedCommit(commit, 2);
 	}
@@ -140,7 +140,7 @@
 		return walk;
 	}
 
-	private List<DiffEntry> diffWorkingAgainstHead(final RevCommit commit)
+	private List<DiffEntry> diffWorkingAgainstHead(RevCommit commit)
 			throws IOException {
 		try (TreeWalk walk = createTreeWalk()) {
 			walk.addTree(commit.getParent(0).getTree());
@@ -149,7 +149,7 @@
 		}
 	}
 
-	private List<DiffEntry> diffIndexAgainstHead(final RevCommit commit)
+	private List<DiffEntry> diffIndexAgainstHead(RevCommit commit)
 			throws IOException {
 		try (TreeWalk walk = createTreeWalk()) {
 			walk.addTree(commit.getParent(0).getTree());
@@ -158,7 +158,7 @@
 		}
 	}
 
-	private List<DiffEntry> diffIndexAgainstWorking(final RevCommit commit)
+	private List<DiffEntry> diffIndexAgainstWorking(RevCommit commit)
 			throws IOException {
 		try (TreeWalk walk = createTreeWalk()) {
 			walk.addTree(commit.getParent(1).getTree());
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
index 87098b6..a220e77 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/api/TagCommandTest.java
@@ -42,6 +42,7 @@
  */
 package org.eclipse.jgit.api;
 
+import static org.eclipse.jgit.lib.Constants.R_TAGS;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
@@ -66,19 +67,22 @@
 				RevWalk walk = new RevWalk(db)) {
 			RevCommit commit = git.commit().setMessage("initial commit").call();
 			Ref tagRef = git.tag().setName("tag").call();
-			assertEquals(commit.getId(), db.peel(tagRef).getPeeledObjectId());
+			assertEquals(commit.getId(),
+					db.getRefDatabase().peel(tagRef).getPeeledObjectId());
 			assertEquals("tag", walk.parseTag(tagRef.getObjectId()).getTagName());
 		}
 	}
 
 	@Test
-	public void testTagging() throws GitAPIException, JGitInternalException {
+	public void testTagging()
+			throws GitAPIException, JGitInternalException, IOException {
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();
 			RevCommit commit = git.commit().setMessage("second commit").call();
 			git.commit().setMessage("third commit").call();
 			Ref tagRef = git.tag().setObjectId(commit).setName("tag").call();
-			assertEquals(commit.getId(), db.peel(tagRef).getPeeledObjectId());
+			assertEquals(commit.getId(),
+					db.getRefDatabase().peel(tagRef).getPeeledObjectId());
 		}
 	}
 
@@ -135,26 +139,30 @@
 		}
 	}
 
+	private List<Ref> getTags() throws Exception {
+		return db.getRefDatabase().getRefsByPrefix(R_TAGS);
+	}
+
 	@Test
 	public void testDelete() throws Exception {
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();
 			Ref tagRef = git.tag().setName("tag").call();
-			assertEquals(1, db.getTags().size());
+			assertEquals(1, getTags().size());
 
 			List<String> deleted = git.tagDelete().setTags(tagRef.getName())
 					.call();
 			assertEquals(1, deleted.size());
 			assertEquals(tagRef.getName(), deleted.get(0));
-			assertEquals(0, db.getTags().size());
+			assertEquals(0, getTags().size());
 
 			Ref tagRef1 = git.tag().setName("tag1").call();
 			Ref tagRef2 = git.tag().setName("tag2").call();
-			assertEquals(2, db.getTags().size());
+			assertEquals(2, getTags().size());
 			deleted = git.tagDelete().setTags(tagRef1.getName(), tagRef2.getName())
 					.call();
 			assertEquals(2, deleted.size());
-			assertEquals(0, db.getTags().size());
+			assertEquals(0, getTags().size());
 		}
 	}
 
@@ -163,13 +171,13 @@
 		try (Git git = new Git(db)) {
 			git.commit().setMessage("initial commit").call();
 			Ref tagRef = git.tag().setName("tag").call();
-			assertEquals(1, db.getTags().size());
+			assertEquals(1, getTags().size());
 
 			List<String> deleted = git.tagDelete()
 					.setTags(Repository.shortenRefName(tagRef.getName())).call();
 			assertEquals(1, deleted.size());
 			assertEquals(tagRef.getName(), deleted.get(0));
-			assertEquals(0, db.getTags().size());
+			assertEquals(0, getTags().size());
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/AbstractDiffTestCase.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/AbstractDiffTestCase.java
index 0f13a68..32f3421 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/AbstractDiffTestCase.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/AbstractDiffTestCase.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.diff;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -240,6 +240,6 @@
 			r.append(text.charAt(i));
 			r.append('\n');
 		}
-		return new RawText(r.toString().getBytes(UTF_8));
+		return new RawText(r.toString().getBytes(CHARSET));
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterReflowTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterReflowTest.java
index 49e5d1b..0e344f5 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterReflowTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/DiffFormatterReflowTest.java
@@ -146,7 +146,7 @@
 		assertFormatted("Z.patch");
 	}
 
-	private void init(final String name) throws IOException {
+	private void init(String name) throws IOException {
 		a = new RawText(readFile(name + "_PreImage"));
 		b = new RawText(readFile(name + "_PostImage"));
 		file = parseTestPatchFile(name + ".patch").getFiles().get(0);
@@ -156,13 +156,13 @@
 		assertFormatted(JGitTestUtil.getName() + ".out");
 	}
 
-	private void assertFormatted(final String name) throws IOException {
+	private void assertFormatted(String name) throws IOException {
 		fmt.format(file, a, b);
 		final String exp = RawParseUtils.decode(readFile(name));
 		assertEquals(exp, RawParseUtils.decode(out.toByteArray()));
 	}
 
-	private byte[] readFile(final String patchFile) throws IOException {
+	private byte[] readFile(String patchFile) throws IOException {
 		final InputStream in = getClass().getResourceAsStream(patchFile);
 		if (in == null) {
 			fail("No " + patchFile + " test vector");
@@ -180,7 +180,7 @@
 		}
 	}
 
-	private Patch parseTestPatchFile(final String patchFile) throws IOException {
+	private Patch parseTestPatchFile(String patchFile) throws IOException {
 		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
 			if (in == null) {
 				fail("No " + patchFile + " test vector");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextTest.java
index 6ad59b9..58a8b2d 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/RawTextTest.java
@@ -44,7 +44,8 @@
 
 package org.eclipse.jgit.diff;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
@@ -65,6 +66,16 @@
 	}
 
 	@Test
+	public void testBinary() {
+		String input = "foo-a\nf\0o-b\n";
+		byte[] data = Constants.encodeASCII(input);
+		final RawText a = new RawText(data);
+		assertArrayEquals(a.content, data);
+		assertEquals(a.size(), 1);
+		assertEquals(a.getString(0, 1, false), input);
+	}
+
+	@Test
 	public void testEquals() {
 		final RawText a = new RawText(Constants.encodeASCII("foo-a\nfoo-b\n"));
 		final RawText b = new RawText(Constants.encodeASCII("foo-b\nfoo-c\n"));
@@ -136,8 +147,8 @@
 		e = c.reduceCommonStartEnd(t("abQxy"), t("abRxy"), e);
 		assertEquals(new Edit(2, 3, 2, 3), e);
 
-		RawText a = new RawText("p\na b\nQ\nc d\n".getBytes(UTF_8));
-		RawText b = new RawText("p\na  b \nR\n c  d \n".getBytes(UTF_8));
+		RawText a = new RawText("p\na b\nQ\nc d\n".getBytes(CHARSET));
+		RawText b = new RawText("p\na  b \nR\n c  d \n".getBytes(CHARSET));
 		e = new Edit(0, 4, 0, 4);
 		e = RawTextComparator.WS_IGNORE_ALL.reduceCommonStartEnd(a, b, e);
 		assertEquals(new Edit(2, 3, 2, 3), e);
@@ -149,14 +160,14 @@
 		RawText b;
 		Edit e;
 
-		a = new RawText("R\n y\n".getBytes(UTF_8));
-		b = new RawText("S\n\n y\n".getBytes(UTF_8));
+		a = new RawText("R\n y\n".getBytes(CHARSET));
+		b = new RawText("S\n\n y\n".getBytes(CHARSET));
 		e = new Edit(0, 2, 0, 3);
 		e = RawTextComparator.DEFAULT.reduceCommonStartEnd(a, b, e);
 		assertEquals(new Edit(0, 1, 0, 2), e);
 
-		a = new RawText("S\n\n y\n".getBytes(UTF_8));
-		b = new RawText("R\n y\n".getBytes(UTF_8));
+		a = new RawText("S\n\n y\n".getBytes(CHARSET));
+		b = new RawText("R\n y\n".getBytes(CHARSET));
 		e = new Edit(0, 3, 0, 2);
 		e = RawTextComparator.DEFAULT.reduceCommonStartEnd(a, b, e);
 		assertEquals(new Edit(0, 2, 0, 1), e);
@@ -167,8 +178,8 @@
 		RawText a;
 		RawText b;
 		Edit e;
-		a = new RawText("start".getBytes(UTF_8));
-		b = new RawText("start of line".getBytes(UTF_8));
+		a = new RawText("start".getBytes(CHARSET));
+		b = new RawText("start of line".getBytes(CHARSET));
 		e = new Edit(0, 1, 0, 1);
 		e = RawTextComparator.DEFAULT.reduceCommonStartEnd(a, b, e);
 		assertEquals(new Edit(0, 1, 0, 1), e);
@@ -179,8 +190,8 @@
 		RawText a;
 		RawText b;
 		Edit e;
-		a = new RawText("start".getBytes(UTF_8));
-		b = new RawText("start of\nlastline".getBytes(UTF_8));
+		a = new RawText("start".getBytes(CHARSET));
+		b = new RawText("start of\nlastline".getBytes(CHARSET));
 		e = new Edit(0, 1, 0, 2);
 		e = RawTextComparator.DEFAULT.reduceCommonStartEnd(a, b, e);
 		assertEquals(new Edit(0, 1, 0, 2), e);
@@ -239,6 +250,6 @@
 			r.append(text.charAt(i));
 			r.append('\n');
 		}
-		return new RawText(r.toString().getBytes(UTF_8));
+		return new RawText(r.toString().getBytes(CHARSET));
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/SimilarityIndexTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/SimilarityIndexTest.java
index f168e83..51a6f81 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/SimilarityIndexTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/diff/SimilarityIndexTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.diff;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -82,7 +82,7 @@
 				+ "A\n" //
 				+ "B\n" //
 				+ "B\n" //
-				+ "B\n").getBytes(UTF_8);
+				+ "B\n").getBytes(CHARSET);
 		SimilarityIndex si = new SimilarityIndex();
 		si.hash(new ByteArrayInputStream(in), in.length, false);
 		assertEquals(2, si.size());
@@ -130,12 +130,12 @@
 				+ "D\r\n" //
 				+ "B\r\n";
 		SimilarityIndex src = new SimilarityIndex();
-		byte[] bytes1 = text.getBytes(UTF_8);
+		byte[] bytes1 = text.getBytes(CHARSET);
 		src.hash(new ByteArrayInputStream(bytes1), bytes1.length, true);
 		src.sort();
 
 		SimilarityIndex dst = new SimilarityIndex();
-		byte[] bytes2 = text.replace("\r", "").getBytes(UTF_8);
+		byte[] bytes2 = text.replace("\r", "").getBytes(CHARSET);
 		dst.hash(new ByteArrayInputStream(bytes2), bytes2.length, true);
 		dst.sort();
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheBuilderIteratorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheBuilderIteratorTest.java
index 2b10887..3598f3a 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheBuilderIteratorTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheBuilderIteratorTest.java
@@ -78,7 +78,7 @@
 
 		final int expIdx = 2;
 		final DirCacheBuilder b = dc.builder();
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new DirCacheBuildIterator(b));
 			tw.setRecursive(true);
 			tw.setFilter(PathFilterGroup.createFromStrings(Collections
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java
index dec1762..c362e74 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheCGitCompatabilityTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.dircache;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.junit.Assert.assertEquals;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -99,7 +99,7 @@
 		assertEquals(ls.size(), dc.getEntryCount());
 		{
 			final Iterator<CGitIndexRecord> rItr = ls.values().iterator();
-			try (final TreeWalk tw = new TreeWalk(db)) {
+			try (TreeWalk tw = new TreeWalk(db)) {
 				tw.setRecursive(true);
 				tw.addTree(new DirCacheIterator(dc));
 				while (rItr.hasNext()) {
@@ -180,7 +180,7 @@
 		assertEquals(cList.size(), jTree.getEntrySpan());
 
 		final ArrayList<CGitLsTreeRecord> subtrees = new ArrayList<>();
-		for (final CGitLsTreeRecord r : cTree.values()) {
+		for (CGitLsTreeRecord r : cTree.values()) {
 			if (FileMode.TREE.equals(r.mode))
 				subtrees.add(r);
 		}
@@ -229,14 +229,14 @@
 		assertEquals(intentToAdd, entry.isIntentToAdd());
 	}
 
-	private static File pathOf(final String name) {
+	private static File pathOf(String name) {
 		return JGitTestUtil.getTestResourceFile(name);
 	}
 
 	private static Map<String, CGitIndexRecord> readLsFiles() throws Exception {
 		final LinkedHashMap<String, CGitIndexRecord> r = new LinkedHashMap<>();
 		try (BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(pathOf("gitgit.lsfiles")), UTF_8))) {
+				new FileInputStream(pathOf("gitgit.lsfiles")), CHARSET))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				final CGitIndexRecord cr = new CGitIndexRecord(line);
@@ -249,7 +249,7 @@
 	private static Map<String, CGitLsTreeRecord> readLsTree() throws Exception {
 		final LinkedHashMap<String, CGitLsTreeRecord> r = new LinkedHashMap<>();
 		try (BufferedReader br = new BufferedReader(new InputStreamReader(
-				new FileInputStream(pathOf("gitgit.lstree")), UTF_8))) {
+				new FileInputStream(pathOf("gitgit.lstree")), CHARSET))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				final CGitLsTreeRecord cr = new CGitLsTreeRecord(line);
@@ -268,7 +268,7 @@
 
 		final String path;
 
-		CGitIndexRecord(final String line) {
+		CGitIndexRecord(String line) {
 			final int tab = line.indexOf('\t');
 			final int sp1 = line.indexOf(' ');
 			final int sp2 = line.indexOf(' ', sp1 + 1);
@@ -286,7 +286,7 @@
 
 		final String path;
 
-		CGitLsTreeRecord(final String line) {
+		CGitLsTreeRecord(String line) {
 			final int tab = line.indexOf('\t');
 			final int sp1 = line.indexOf(' ');
 			final int sp2 = line.indexOf(' ', sp1 + 1);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java
index 05fa007..86e2852 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheEntryTest.java
@@ -183,7 +183,7 @@
 		copyMetaDataHelper(true);
 	}
 
-	private static void copyMetaDataHelper(final boolean keepStage) {
+	private static void copyMetaDataHelper(boolean keepStage) {
 		DirCacheEntry e = new DirCacheEntry("some/path", DirCacheEntry.STAGE_2);
 		e.setAssumeValid(false);
 		e.setCreationTime(2L);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheIteratorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheIteratorTest.java
index dd242e5..82565fc 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheIteratorTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheIteratorTest.java
@@ -76,7 +76,7 @@
 		final DirCache dc = DirCache.newInCore();
 		assertEquals(0, dc.getEntryCount());
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new DirCacheIterator(dc));
 			assertFalse(tw.next());
 		}
@@ -126,7 +126,7 @@
 		b.finish();
 
 		final DirCacheIterator i = new DirCacheIterator(dc);
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(i);
 			int pathIdx = 0;
 			while (tw.next()) {
@@ -164,7 +164,7 @@
 		final int expPos[] = { 0, -1, 4 };
 
 		final DirCacheIterator i = new DirCacheIterator(dc);
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(i);
 			tw.setRecursive(false);
 			int pathIdx = 0;
@@ -205,7 +205,7 @@
 		b.finish();
 
 		final DirCacheIterator i = new DirCacheIterator(dc);
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(i);
 			tw.setRecursive(true);
 			int pathIdx = 0;
@@ -240,7 +240,7 @@
 			b.add(ents[i]);
 		b.finish();
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new DirCacheIterator(dc));
 			tw.setRecursive(true);
 			int pathIdx = 0;
@@ -402,7 +402,7 @@
 			b.add(ents[i]);
 		b.finish();
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			for (int victimIdx = 0; victimIdx < paths.length; victimIdx++) {
 				tw.reset();
 				tw.addTree(new DirCacheIterator(dc));
@@ -430,7 +430,7 @@
 		final DirCache dc = DirCache.read(path, FS.DETECTED);
 		assertEquals(2, dc.getEntryCount());
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setRecursive(true);
 			tw.addTree(new DirCacheIterator(dc));
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheLargePathTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheLargePathTest.java
index ef3e611..dfc136c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheLargePathTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/dircache/DirCacheLargePathTest.java
@@ -81,7 +81,7 @@
 		testLongPath(16384);
 	}
 
-	private void testLongPath(final int len) throws CorruptObjectException,
+	private void testLongPath(int len) throws CorruptObjectException,
 			IOException {
 		final String longPath = makeLongPath(len);
 		final String shortPath = "~~~ shorter-path";
@@ -119,7 +119,7 @@
 		}
 	}
 
-	private static String makeLongPath(final int len) {
+	private static String makeLongPath(int len) {
 		final StringBuilder r = new StringBuilder(len);
 		for (int i = 0; i < len; i++)
 			r.append('a' + (i % 26));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/ManifestParserTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/ManifestParserTest.java
index c9673a6..69a48cc 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/ManifestParserTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/ManifestParserTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.gitrepo;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -82,7 +82,7 @@
 
 		ManifestParser parser = new ManifestParser(
 				null, null, "master", baseUrl, null, null);
-		parser.read(new ByteArrayInputStream(xmlContent.toString().getBytes(UTF_8)));
+		parser.read(new ByteArrayInputStream(xmlContent.toString().getBytes(CHARSET)));
 		// Unfiltered projects should have them all.
 		results.clear();
 		results.add("foo");
@@ -136,7 +136,7 @@
 				baseUrl, null, null);
 		try {
 			parser.read(new ByteArrayInputStream(
-					xmlContent.toString().getBytes(UTF_8)));
+					xmlContent.toString().getBytes(CHARSET)));
 			fail("ManifestParser did not throw exception for missing fetch");
 		} catch (IOException e) {
 			assertTrue(e.getCause() instanceof SAXException);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandSymlinkTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandSymlinkTest.java
index 341cc4f..548b903 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandSymlinkTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandSymlinkTest.java
@@ -119,45 +119,47 @@
 					.setURI(rootUri).call();
 			// Clone it
 			File directory = createTempDirectory("testCopyFileBare");
-			Repository localDb = Git.cloneRepository().setDirectory(directory)
+			try (Repository localDb = Git.cloneRepository()
+					.setDirectory(directory)
 					.setURI(remoteDb.getDirectory().toURI().toString()).call()
-					.getRepository();
+					.getRepository()) {
 
-			// The LinkedHello symlink should exist.
-			File linkedhello = new File(localDb.getWorkTree(), "LinkedHello");
-			assertTrue("The LinkedHello file should exist",
-					localDb.getFS().exists(linkedhello));
-			assertTrue("The LinkedHello file should be a symlink",
-					localDb.getFS().isSymLink(linkedhello));
-			assertEquals("foo/hello.txt",
-					localDb.getFS().readSymLink(linkedhello));
+				// The LinkedHello symlink should exist.
+				File linkedhello = new File(localDb.getWorkTree(),
+						"LinkedHello");
+				assertTrue("The LinkedHello file should exist",
+						localDb.getFS().exists(linkedhello));
+				assertTrue("The LinkedHello file should be a symlink",
+						localDb.getFS().isSymLink(linkedhello));
+				assertEquals("foo/hello.txt",
+						localDb.getFS().readSymLink(linkedhello));
 
-			// The foo/LinkedHello file should be skipped.
-			File linkedfoohello = new File(localDb.getWorkTree(), "foo/LinkedHello");
-			assertFalse("The foo/LinkedHello file should be skipped",
-					localDb.getFS().exists(linkedfoohello));
+				// The foo/LinkedHello file should be skipped.
+				File linkedfoohello = new File(localDb.getWorkTree(),
+						"foo/LinkedHello");
+				assertFalse("The foo/LinkedHello file should be skipped",
+						localDb.getFS().exists(linkedfoohello));
 
-			// The subdir/LinkedHello file should use a relative ../
-			File linkedsubdirhello = new File(localDb.getWorkTree(),
-					"subdir/LinkedHello");
-			assertTrue("The subdir/LinkedHello file should exist",
-					localDb.getFS().exists(linkedsubdirhello));
-			assertTrue("The subdir/LinkedHello file should be a symlink",
-					localDb.getFS().isSymLink(linkedsubdirhello));
-			assertEquals("../foo/hello.txt",
-					localDb.getFS().readSymLink(linkedsubdirhello));
+				// The subdir/LinkedHello file should use a relative ../
+				File linkedsubdirhello = new File(localDb.getWorkTree(),
+						"subdir/LinkedHello");
+				assertTrue("The subdir/LinkedHello file should exist",
+						localDb.getFS().exists(linkedsubdirhello));
+				assertTrue("The subdir/LinkedHello file should be a symlink",
+						localDb.getFS().isSymLink(linkedsubdirhello));
+				assertEquals("../foo/hello.txt",
+						localDb.getFS().readSymLink(linkedsubdirhello));
 
-			// The bar/foo/LinkedHello file should use a single relative ../
-			File linkedbarfoohello = new File(localDb.getWorkTree(),
-					"bar/foo/LinkedHello");
-			assertTrue("The bar/foo/LinkedHello file should exist",
-					localDb.getFS().exists(linkedbarfoohello));
-			assertTrue("The bar/foo/LinkedHello file should be a symlink",
-					localDb.getFS().isSymLink(linkedbarfoohello));
-			assertEquals("../baz/hello.txt",
-					localDb.getFS().readSymLink(linkedbarfoohello));
-
-			localDb.close();
+				// The bar/foo/LinkedHello file should use a single relative ../
+				File linkedbarfoohello = new File(localDb.getWorkTree(),
+						"bar/foo/LinkedHello");
+				assertTrue("The bar/foo/LinkedHello file should exist",
+						localDb.getFS().exists(linkedbarfoohello));
+				assertTrue("The bar/foo/LinkedHello file should be a symlink",
+						localDb.getFS().isSymLink(linkedbarfoohello));
+				assertEquals("../baz/hello.txt",
+						localDb.getFS().readSymLink(linkedbarfoohello));
+			}
 		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandTest.java
index 2253a04..df31ab0 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/gitrepo/RepoCommandTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.gitrepo;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNull;
@@ -160,7 +160,7 @@
 				Ref ref = r.findRef(refname);
 				if (ref == null) return null;
 
-				ref = r.peel(ref);
+				ref = r.getRefDatabase().peel(ref);
 				ObjectId id = ref.getObjectId();
 				return id;
 			} catch (IOException e) {
@@ -185,108 +185,93 @@
 		}
 	}
 
+	private Repository cloneRepository(Repository repo, boolean bare)
+			throws Exception {
+		Repository r = Git.cloneRepository()
+				.setURI(repo.getDirectory().toURI().toString())
+				.setDirectory(createUniqueTestGitDir(true)).setBare(bare).call()
+				.getRepository();
+		if (bare) {
+			assertTrue(r.isBare());
+		} else {
+			assertFalse(r.isBare());
+		}
+		return r;
+	}
+
 	@Test
 	public void runTwiceIsNOP() throws Exception {
-		Repository child = Git.cloneRepository()
-			.setURI(groupADb.getDirectory().toURI().toString())
-			.setDirectory(createUniqueTestGitDir(true)).setBare(true).call()
-			.getRepository();
+		try (Repository child = cloneRepository(groupADb, true);
+				Repository dest = cloneRepository(db, true)) {
+			StringBuilder xmlContent = new StringBuilder();
+			xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
+					.append("<manifest>")
+					.append("<remote name=\"remote1\" fetch=\"..\" />")
+					.append("<default revision=\"master\" remote=\"remote1\" />")
+					.append("<project path=\"base\" name=\"platform/base\" />")
+					.append("</manifest>");
+			RepoCommand cmd = new RepoCommand(dest);
 
-		Repository dest = Git.cloneRepository()
-			.setURI(db.getDirectory().toURI().toString())
-			.setDirectory(createUniqueTestGitDir(true)).setBare(true).call()
-			.getRepository();
+			IndexedRepos repos = new IndexedRepos();
+			repos.put("platform/base", child);
 
-		assertTrue(dest.isBare());
-		assertTrue(child.isBare());
+			RevCommit commit = cmd
+					.setInputStream(new ByteArrayInputStream(
+							xmlContent.toString().getBytes(CHARSET)))
+					.setRemoteReader(repos).setURI("platform/")
+					.setTargetURI("platform/superproject")
+					.setRecordRemoteBranch(true).setRecordSubmoduleLabels(true)
+					.call();
 
-		StringBuilder xmlContent = new StringBuilder();
-		xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
-			.append("<manifest>")
-			.append("<remote name=\"remote1\" fetch=\"..\" />")
-			.append("<default revision=\"master\" remote=\"remote1\" />")
-			.append("<project path=\"base\" name=\"platform/base\" />")
-			.append("</manifest>");
-		RepoCommand cmd = new RepoCommand(dest);
-
-		IndexedRepos repos = new IndexedRepos();
-		repos.put("platform/base", child);
-
-		RevCommit commit = cmd
-			.setInputStream(new ByteArrayInputStream(
-				xmlContent.toString().getBytes(UTF_8)))
-			.setRemoteReader(repos)
-			.setURI("platform/")
-			.setTargetURI("platform/superproject")
-			.setRecordRemoteBranch(true)
-			.setRecordSubmoduleLabels(true)
-			.call();
-
-		String firstIdStr = commit.getId().name() + ":" + ".gitmodules";
-		commit = new RepoCommand(dest)
-			.setInputStream(new ByteArrayInputStream(
-				xmlContent.toString().getBytes(UTF_8)))
-			.setRemoteReader(repos)
-			.setURI("platform/")
-			.setTargetURI("platform/superproject")
-			.setRecordRemoteBranch(true)
-			.setRecordSubmoduleLabels(true)
-			.call();
-		String idStr = commit.getId().name() + ":" + ".gitmodules";
-		assertEquals(firstIdStr, idStr);
-		child.close();
-		dest.close();
+			String firstIdStr = commit.getId().name() + ":" + ".gitmodules";
+			commit = new RepoCommand(dest)
+					.setInputStream(new ByteArrayInputStream(
+							xmlContent.toString().getBytes(CHARSET)))
+					.setRemoteReader(repos).setURI("platform/")
+					.setTargetURI("platform/superproject")
+					.setRecordRemoteBranch(true).setRecordSubmoduleLabels(true)
+					.call();
+			String idStr = commit.getId().name() + ":" + ".gitmodules";
+			assertEquals(firstIdStr, idStr);
+		}
 	}
 
 	@Test
 	public void androidSetup() throws Exception {
-		Repository child = Git.cloneRepository()
-				.setURI(groupADb.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true)).setBare(true).call()
-				.getRepository();
+		try (Repository child = cloneRepository(groupADb, true);
+				Repository dest = cloneRepository(db, true)) {
+			StringBuilder xmlContent = new StringBuilder();
+			xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
+					.append("<manifest>")
+					.append("<remote name=\"remote1\" fetch=\"..\" />")
+					.append("<default revision=\"master\" remote=\"remote1\" />")
+					.append("<project path=\"base\" name=\"platform/base\" />")
+					.append("</manifest>");
+			RepoCommand cmd = new RepoCommand(dest);
 
-		Repository dest = Git.cloneRepository()
-				.setURI(db.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true)).setBare(true).call()
-				.getRepository();
+			IndexedRepos repos = new IndexedRepos();
+			repos.put("platform/base", child);
 
-		assertTrue(dest.isBare());
-		assertTrue(child.isBare());
+			RevCommit commit = cmd
+					.setInputStream(new ByteArrayInputStream(
+							xmlContent.toString().getBytes(CHARSET)))
+					.setRemoteReader(repos).setURI("platform/")
+					.setTargetURI("platform/superproject")
+					.setRecordRemoteBranch(true).setRecordSubmoduleLabels(true)
+					.call();
 
-		StringBuilder xmlContent = new StringBuilder();
-		xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
-			.append("<manifest>")
-			.append("<remote name=\"remote1\" fetch=\"..\" />")
-			.append("<default revision=\"master\" remote=\"remote1\" />")
-			.append("<project path=\"base\" name=\"platform/base\" />")
-			.append("</manifest>");
-		RepoCommand cmd = new RepoCommand(dest);
+			String idStr = commit.getId().name() + ":" + ".gitmodules";
+			ObjectId modId = dest.resolve(idStr);
 
-		IndexedRepos repos = new IndexedRepos();
-		repos.put("platform/base", child);
-
-		RevCommit commit = cmd
-			.setInputStream(new ByteArrayInputStream(xmlContent.toString().getBytes(UTF_8)))
-			.setRemoteReader(repos)
-			.setURI("platform/")
-			.setTargetURI("platform/superproject")
-			.setRecordRemoteBranch(true)
-			.setRecordSubmoduleLabels(true)
-			.call();
-
-		String idStr = commit.getId().name() + ":" + ".gitmodules";
-		ObjectId modId = dest.resolve(idStr);
-
-		try (ObjectReader reader = dest.newObjectReader()) {
-			byte[] bytes = reader.open(modId).getCachedBytes(Integer.MAX_VALUE);
-			Config base = new Config();
-			BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
-			String subUrl = cfg.getString("submodule", "base", "url");
-			assertEquals(subUrl, "../base");
+			try (ObjectReader reader = dest.newObjectReader()) {
+				byte[] bytes = reader.open(modId)
+						.getCachedBytes(Integer.MAX_VALUE);
+				Config base = new Config();
+				BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
+				String subUrl = cfg.getString("submodule", "base", "url");
+				assertEquals(subUrl, "../base");
+			}
 		}
-
-		child.close();
-		dest.close();
 	}
 
 	@Test
@@ -299,200 +284,174 @@
 			.append("<project path=\"base\" name=\"platform/base\" />")
 			.append("</manifest>");
 
-		Repository dest = Git.cloneRepository()
-				.setURI(db.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true)).setBare(true).call()
-				.getRepository();
+		try (Repository dest = cloneRepository(db, true)) {
+			RevCommit commit = new RepoCommand(dest)
+					.setInputStream(new ByteArrayInputStream(
+							xmlContent.toString().getBytes(CHARSET)))
+					.setRemoteReader(new IndexedRepos()).setURI("platform/")
+					.setTargetURI("platform/superproject")
+					.setRecordRemoteBranch(true).setIgnoreRemoteFailures(true)
+					.setRecordSubmoduleLabels(true).call();
 
-		assertTrue(dest.isBare());
+			String idStr = commit.getId().name() + ":" + ".gitmodules";
+			ObjectId modId = dest.resolve(idStr);
 
-		RevCommit commit = new RepoCommand(dest)
-			.setInputStream(new ByteArrayInputStream(
-				xmlContent.toString().getBytes(UTF_8)))
-			.setRemoteReader(new IndexedRepos())
-			.setURI("platform/")
-			.setTargetURI("platform/superproject")
-			.setRecordRemoteBranch(true)
-			.setIgnoreRemoteFailures(true)
-			.setRecordSubmoduleLabels(true)
-			.call();
-
-		String idStr = commit.getId().name() + ":" + ".gitmodules";
-		ObjectId modId = dest.resolve(idStr);
-
-		try (ObjectReader reader = dest.newObjectReader()) {
-			byte[] bytes = reader.open(modId).getCachedBytes(Integer.MAX_VALUE);
-			Config base = new Config();
-			BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
-			String subUrl = cfg.getString("submodule", "base", "url");
-			assertEquals(subUrl, "https://host.com/platform/base");
+			try (ObjectReader reader = dest.newObjectReader()) {
+				byte[] bytes = reader.open(modId)
+						.getCachedBytes(Integer.MAX_VALUE);
+				Config base = new Config();
+				BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
+				String subUrl = cfg.getString("submodule", "base", "url");
+				assertEquals(subUrl, "https://host.com/platform/base");
+			}
 		}
-
-		dest.close();
 	}
 
 	@Test
 	public void gerritSetup() throws Exception {
-		Repository child =
-			Git.cloneRepository().setURI(groupADb.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true))
-				.setBare(true).call().getRepository();
+		try (Repository child = cloneRepository(groupADb, true);
+				Repository dest = cloneRepository(db, true)) {
+			StringBuilder xmlContent = new StringBuilder();
+			xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
+					.append("<manifest>")
+					.append("<remote name=\"remote1\" fetch=\".\" />")
+					.append("<default revision=\"master\" remote=\"remote1\" />")
+					.append("<project path=\"plugins/cookbook\" name=\"plugins/cookbook\" />")
+					.append("</manifest>");
+			RepoCommand cmd = new RepoCommand(dest);
 
-		Repository dest = Git.cloneRepository()
-			.setURI(db.getDirectory().toURI().toString()).setDirectory(createUniqueTestGitDir(true))
-			.setBare(true).call().getRepository();
+			IndexedRepos repos = new IndexedRepos();
+			repos.put("plugins/cookbook", child);
 
-		assertTrue(dest.isBare());
-		assertTrue(child.isBare());
+			RevCommit commit = cmd
+					.setInputStream(new ByteArrayInputStream(
+							xmlContent.toString().getBytes(CHARSET)))
+					.setRemoteReader(repos).setURI("").setTargetURI("gerrit")
+					.setRecordRemoteBranch(true).setRecordSubmoduleLabels(true)
+					.call();
 
-		StringBuilder xmlContent = new StringBuilder();
-		xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
-			.append("<manifest>")
-			.append("<remote name=\"remote1\" fetch=\".\" />")
-			.append("<default revision=\"master\" remote=\"remote1\" />")
-			.append("<project path=\"plugins/cookbook\" name=\"plugins/cookbook\" />")
-			.append("</manifest>");
-		RepoCommand cmd = new RepoCommand(dest);
+			String idStr = commit.getId().name() + ":" + ".gitmodules";
+			ObjectId modId = dest.resolve(idStr);
 
-		IndexedRepos repos = new IndexedRepos();
-		repos.put("plugins/cookbook", child);
-
-		RevCommit commit = cmd
-			.setInputStream(new ByteArrayInputStream(xmlContent.toString().getBytes(UTF_8)))
-			.setRemoteReader(repos)
-			.setURI("")
-			.setTargetURI("gerrit")
-			.setRecordRemoteBranch(true)
-			.setRecordSubmoduleLabels(true)
-			.call();
-
-		String idStr = commit.getId().name() + ":" + ".gitmodules";
-		ObjectId modId = dest.resolve(idStr);
-
-		try (ObjectReader reader = dest.newObjectReader()) {
-			byte[] bytes = reader.open(modId).getCachedBytes(Integer.MAX_VALUE);
-			Config base = new Config();
-			BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
-			String subUrl = cfg.getString("submodule", "plugins/cookbook", "url");
-			assertEquals(subUrl, "../plugins/cookbook");
+			try (ObjectReader reader = dest.newObjectReader()) {
+				byte[] bytes = reader.open(modId)
+						.getCachedBytes(Integer.MAX_VALUE);
+				Config base = new Config();
+				BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
+				String subUrl = cfg.getString("submodule", "plugins/cookbook",
+						"url");
+				assertEquals(subUrl, "../plugins/cookbook");
+			}
 		}
-
-		child.close();
-		dest.close();
 	}
 
 	@Test
 	public void absoluteRemoteURL() throws Exception {
-		Repository child =
-			Git.cloneRepository().setURI(groupADb.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true))
-				.setBare(true).call().getRepository();
-		Repository dest = Git.cloneRepository()
-			.setURI(db.getDirectory().toURI().toString()).setDirectory(createUniqueTestGitDir(true))
-			.setBare(true).call().getRepository();
-		String abs = "https://chromium.googlesource.com";
-		String repoUrl = "https://chromium.googlesource.com/chromium/src";
-		boolean fetchSlash = false;
-		boolean baseSlash = false;
-		do {
+		try (Repository child = cloneRepository(groupADb, true);
+				Repository dest = cloneRepository(db, true)) {
+			String abs = "https://chromium.googlesource.com";
+			String repoUrl = "https://chromium.googlesource.com/chromium/src";
+			boolean fetchSlash = false;
+			boolean baseSlash = false;
 			do {
-				String fetchUrl = fetchSlash ? abs + "/" : abs;
-				String baseUrl = baseSlash ? abs + "/" : abs;
+				do {
+					String fetchUrl = fetchSlash ? abs + "/" : abs;
+					String baseUrl = baseSlash ? abs + "/" : abs;
 
-				StringBuilder xmlContent = new StringBuilder();
-				xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
-					.append("<manifest>")
-					.append("<remote name=\"origin\" fetch=\"" + fetchUrl + "\" />")
-					.append("<default revision=\"master\" remote=\"origin\" />")
-					.append("<project path=\"src\" name=\"chromium/src\" />")
-					.append("</manifest>");
-				RepoCommand cmd = new RepoCommand(dest);
+					StringBuilder xmlContent = new StringBuilder();
+					xmlContent.append(
+							"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
+							.append("<manifest>")
+							.append("<remote name=\"origin\" fetch=\""
+									+ fetchUrl + "\" />")
+							.append("<default revision=\"master\" remote=\"origin\" />")
+							.append("<project path=\"src\" name=\"chromium/src\" />")
+							.append("</manifest>");
+					RepoCommand cmd = new RepoCommand(dest);
 
-				IndexedRepos repos = new IndexedRepos();
-				repos.put(repoUrl, child);
+					IndexedRepos repos = new IndexedRepos();
+					repos.put(repoUrl, child);
 
-				RevCommit commit = cmd
-					.setInputStream(new ByteArrayInputStream(xmlContent.toString().getBytes(UTF_8)))
-					.setRemoteReader(repos)
-					.setURI(baseUrl)
-					.setTargetURI("gerrit")
-					.setRecordRemoteBranch(true)
-					.setRecordSubmoduleLabels(true)
-					.call();
+					RevCommit commit = cmd
+							.setInputStream(new ByteArrayInputStream(
+									xmlContent.toString().getBytes(CHARSET)))
+							.setRemoteReader(repos).setURI(baseUrl)
+							.setTargetURI("gerrit").setRecordRemoteBranch(true)
+							.setRecordSubmoduleLabels(true).call();
 
-				String idStr = commit.getId().name() + ":" + ".gitmodules";
-				ObjectId modId = dest.resolve(idStr);
+					String idStr = commit.getId().name() + ":" + ".gitmodules";
+					ObjectId modId = dest.resolve(idStr);
 
-				try (ObjectReader reader = dest.newObjectReader()) {
-					byte[] bytes = reader.open(modId).getCachedBytes(Integer.MAX_VALUE);
-					Config base = new Config();
-					BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
-					String subUrl = cfg.getString("submodule", "src", "url");
-					assertEquals("https://chromium.googlesource.com/chromium/src", subUrl);
-				}
-				fetchSlash = !fetchSlash;
-			} while (fetchSlash);
-			baseSlash = !baseSlash;
-		} while (baseSlash);
-		child.close();
-		dest.close();
+					try (ObjectReader reader = dest.newObjectReader()) {
+						byte[] bytes = reader.open(modId)
+								.getCachedBytes(Integer.MAX_VALUE);
+						Config base = new Config();
+						BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
+						String subUrl = cfg.getString("submodule", "src",
+								"url");
+						assertEquals(
+								"https://chromium.googlesource.com/chromium/src",
+								subUrl);
+					}
+					fetchSlash = !fetchSlash;
+				} while (fetchSlash);
+				baseSlash = !baseSlash;
+			} while (baseSlash);
+		}
 	}
 
 	@Test
 	public void absoluteRemoteURLAbsoluteTargetURL() throws Exception {
-		Repository child =
-			Git.cloneRepository().setURI(groupADb.getDirectory().toURI().toString())
-				.setDirectory(createUniqueTestGitDir(true))
-				.setBare(true).call().getRepository();
-		Repository dest = Git.cloneRepository()
-			.setURI(db.getDirectory().toURI().toString()).setDirectory(createUniqueTestGitDir(true))
-			.setBare(true).call().getRepository();
-		String abs = "https://chromium.googlesource.com";
-		String repoUrl = "https://chromium.googlesource.com/chromium/src";
-		boolean fetchSlash = false;
-		boolean baseSlash = false;
-		do {
+		try (Repository child = cloneRepository(groupADb, true);
+				Repository dest = cloneRepository(db, true)) {
+			String abs = "https://chromium.googlesource.com";
+			String repoUrl = "https://chromium.googlesource.com/chromium/src";
+			boolean fetchSlash = false;
+			boolean baseSlash = false;
 			do {
-				String fetchUrl = fetchSlash ? abs + "/" : abs;
-				String baseUrl = baseSlash ? abs + "/" : abs;
+				do {
+					String fetchUrl = fetchSlash ? abs + "/" : abs;
+					String baseUrl = baseSlash ? abs + "/" : abs;
 
-				StringBuilder xmlContent = new StringBuilder();
-				xmlContent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
-					.append("<manifest>")
-					.append("<remote name=\"origin\" fetch=\"" + fetchUrl + "\" />")
-					.append("<default revision=\"master\" remote=\"origin\" />")
-					.append("<project path=\"src\" name=\"chromium/src\" />")
-					.append("</manifest>");
-				RepoCommand cmd = new RepoCommand(dest);
+					StringBuilder xmlContent = new StringBuilder();
+					xmlContent.append(
+							"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n")
+							.append("<manifest>")
+							.append("<remote name=\"origin\" fetch=\""
+									+ fetchUrl + "\" />")
+							.append("<default revision=\"master\" remote=\"origin\" />")
+							.append("<project path=\"src\" name=\"chromium/src\" />")
+							.append("</manifest>");
+					RepoCommand cmd = new RepoCommand(dest);
 
-				IndexedRepos repos = new IndexedRepos();
-				repos.put(repoUrl, child);
+					IndexedRepos repos = new IndexedRepos();
+					repos.put(repoUrl, child);
 
-				RevCommit commit = cmd
-					.setInputStream(new ByteArrayInputStream(xmlContent.toString().getBytes(UTF_8)))
-					.setRemoteReader(repos)
-					.setURI(baseUrl)
-					.setTargetURI(abs + "/superproject")
-					.setRecordRemoteBranch(true)
-					.setRecordSubmoduleLabels(true)
-					.call();
+					RevCommit commit = cmd
+							.setInputStream(new ByteArrayInputStream(
+									xmlContent.toString().getBytes(CHARSET)))
+							.setRemoteReader(repos).setURI(baseUrl)
+							.setTargetURI(abs + "/superproject")
+							.setRecordRemoteBranch(true)
+							.setRecordSubmoduleLabels(true).call();
 
-				String idStr = commit.getId().name() + ":" + ".gitmodules";
-				ObjectId modId = dest.resolve(idStr);
+					String idStr = commit.getId().name() + ":" + ".gitmodules";
+					ObjectId modId = dest.resolve(idStr);
 
-				try (ObjectReader reader = dest.newObjectReader()) {
-					byte[] bytes = reader.open(modId).getCachedBytes(Integer.MAX_VALUE);
-					Config base = new Config();
-					BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
-					String subUrl = cfg.getString("submodule", "src", "url");
-					assertEquals("../chromium/src", subUrl);
-				}
-				fetchSlash = !fetchSlash;
-			} while (fetchSlash);
-			baseSlash = !baseSlash;
-		} while (baseSlash);
-		child.close();
-		dest.close();
+					try (ObjectReader reader = dest.newObjectReader()) {
+						byte[] bytes = reader.open(modId)
+								.getCachedBytes(Integer.MAX_VALUE);
+						Config base = new Config();
+						BlobBasedConfig cfg = new BlobBasedConfig(base, bytes);
+						String subUrl = cfg.getString("submodule", "src",
+								"url");
+						assertEquals("../chromium/src", subUrl);
+					}
+					fetchSlash = !fetchSlash;
+				} while (fetchSlash);
+				baseSlash = !baseSlash;
+			} while (baseSlash);
+		}
 	}
 
 	@Test
@@ -513,11 +472,12 @@
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
 		assertTrue("submodule should be checked out", hello.exists());
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"master world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"master world", content);
+		}
 	}
 
 	@Test
@@ -603,19 +563,21 @@
 		// The original file should exist
 		File hello = new File(localDb.getWorkTree(), "foo/hello.txt");
 		assertTrue("The original file should exist", hello.exists());
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("The original file should have expected content",
-				"master world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("The original file should have expected content",
+					"master world", content);
+		}
 		// The dest file should also exist
 		hello = new File(localDb.getWorkTree(), "Hello");
 		assertTrue("The destination file should exist", hello.exists());
-		reader = new BufferedReader(new FileReader(hello));
-		content = reader.readLine();
-		reader.close();
-		assertEquals("The destination file should have expected content",
-				"master world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("The destination file should have expected content",
+					"master world", content);
+		}
 	}
 
 	@Test
@@ -638,24 +600,27 @@
 				.setURI(rootUri).call();
 		// Clone it
 		File directory = createTempDirectory("testBareRepo");
-		Repository localDb = Git.cloneRepository().setDirectory(directory)
+		try (Repository localDb = Git.cloneRepository().setDirectory(directory)
 				.setURI(remoteDb.getDirectory().toURI().toString()).call()
-				.getRepository();
-		// The .gitmodules file should exist
-		File gitmodules = new File(localDb.getWorkTree(), ".gitmodules");
-		assertTrue("The .gitmodules file should exist", gitmodules.exists());
-		// The first line of .gitmodules file should be expected
-		BufferedReader reader = new BufferedReader(new FileReader(gitmodules));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("The first line of .gitmodules file should be as expected",
-				"[submodule \"foo\"]", content);
-		// The gitlink should be the same as remote head sha1
-		String gitlink = localDb.resolve(Constants.HEAD + ":foo").name();
-		localDb.close();
-		String remote = defaultDb.resolve(Constants.HEAD).name();
-		assertEquals("The gitlink should be the same as remote head", remote,
-				gitlink);
+				.getRepository()) {
+			// The .gitmodules file should exist
+			File gitmodules = new File(localDb.getWorkTree(), ".gitmodules");
+			assertTrue("The .gitmodules file should exist",
+					gitmodules.exists());
+			// The first line of .gitmodules file should be expected
+			try (BufferedReader reader = new BufferedReader(
+					new FileReader(gitmodules))) {
+				String content = reader.readLine();
+				assertEquals(
+						"The first line of .gitmodules file should be as expected",
+						"[submodule \"foo\"]", content);
+			}
+			// The gitlink should be the same as remote head sha1
+			String gitlink = localDb.resolve(Constants.HEAD + ":foo").name();
+			String remote = defaultDb.resolve(Constants.HEAD).name();
+			assertEquals("The gitlink should be the same as remote head",
+					remote, gitlink);
+		}
 	}
 
 	@Test
@@ -677,11 +642,12 @@
 			.setURI(rootUri)
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"branch world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"branch world", content);
+		}
 	}
 
 	@Test
@@ -703,11 +669,12 @@
 			.setURI(rootUri)
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"branch world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"branch world", content);
+		}
 	}
 
 	@Test
@@ -729,11 +696,12 @@
 			.setURI(rootUri)
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"branch world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"branch world", content);
+		}
 	}
 
 	@Test
@@ -757,14 +725,14 @@
 				.setURI(rootUri).call();
 		// Clone it
 		File directory = createTempDirectory("testRevisionBare");
-		Repository localDb = Git.cloneRepository().setDirectory(directory)
+		try (Repository localDb = Git.cloneRepository().setDirectory(directory)
 				.setURI(remoteDb.getDirectory().toURI().toString()).call()
-				.getRepository();
-		// The gitlink should be the same as oldCommitId
-		String gitlink = localDb.resolve(Constants.HEAD + ":foo").name();
-		localDb.close();
-		assertEquals("The gitlink is same as remote head", oldCommitId.name(),
-				gitlink);
+				.getRepository()) {
+			// The gitlink should be the same as oldCommitId
+			String gitlink = localDb.resolve(Constants.HEAD + ":foo").name();
+			assertEquals("The gitlink is same as remote head",
+					oldCommitId.name(), gitlink);
+		}
 	}
 
 	@Test
@@ -790,22 +758,24 @@
 				.setURI(rootUri).call();
 		// Clone it
 		File directory = createTempDirectory("testCopyFileBare");
-		Repository localDb = Git.cloneRepository().setDirectory(directory)
+		try (Repository localDb = Git.cloneRepository().setDirectory(directory)
 				.setURI(remoteDb.getDirectory().toURI().toString()).call()
-				.getRepository();
-		// The Hello file should exist
-		File hello = new File(localDb.getWorkTree(), "Hello");
-		assertTrue("The Hello file should exist", hello.exists());
-		// The foo/Hello file should be skipped.
-		File foohello = new File(localDb.getWorkTree(), "foo/Hello");
-		assertFalse("The foo/Hello file should be skipped", foohello.exists());
-		localDb.close();
-		// The content of Hello file should be expected
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("The Hello file should have expected content",
-				"branch world", content);
+				.getRepository()) {
+			// The Hello file should exist
+			File hello = new File(localDb.getWorkTree(), "Hello");
+			assertTrue("The Hello file should exist", hello.exists());
+			// The foo/Hello file should be skipped.
+			File foohello = new File(localDb.getWorkTree(), "foo/Hello");
+			assertFalse("The foo/Hello file should be skipped",
+					foohello.exists());
+			// The content of Hello file should be expected
+			try (BufferedReader reader = new BufferedReader(
+					new FileReader(hello))) {
+				String content = reader.readLine();
+				assertEquals("The Hello file should have expected content",
+						"branch world", content);
+			}
+		}
 	}
 
 	@Test
@@ -841,36 +811,38 @@
 				.setURI(rootUri).call();
 		// Clone it
 		File directory = createTempDirectory("testReplaceManifestBare");
-		Repository localDb = Git.cloneRepository().setDirectory(directory)
+		File dotmodules;
+		try (Repository localDb = Git.cloneRepository().setDirectory(directory)
 				.setURI(remoteDb.getDirectory().toURI().toString()).call()
-				.getRepository();
-		// The Hello file should not exist
-		File hello = new File(localDb.getWorkTree(), "Hello");
-		assertFalse("The Hello file shouldn't exist", hello.exists());
-		// The Hello.txt file should exist
-		File hellotxt = new File(localDb.getWorkTree(), "Hello.txt");
-		assertTrue("The Hello.txt file should exist", hellotxt.exists());
+				.getRepository()) {
+			// The Hello file should not exist
+			File hello = new File(localDb.getWorkTree(), "Hello");
+			assertFalse("The Hello file shouldn't exist", hello.exists());
+			// The Hello.txt file should exist
+			File hellotxt = new File(localDb.getWorkTree(), "Hello.txt");
+			assertTrue("The Hello.txt file should exist", hellotxt.exists());
+			dotmodules = new File(localDb.getWorkTree(),
+					Constants.DOT_GIT_MODULES);
+		}
 		// The .gitmodules file should have 'submodule "bar"' and shouldn't
 		// have
 		// 'submodule "foo"' lines.
-		File dotmodules = new File(localDb.getWorkTree(),
-				Constants.DOT_GIT_MODULES);
-		localDb.close();
-		BufferedReader reader = new BufferedReader(new FileReader(dotmodules));
-		boolean foo = false;
-		boolean bar = false;
-		while (true) {
-			String line = reader.readLine();
-			if (line == null)
-				break;
-			if (line.contains("submodule \"foo\""))
-				foo = true;
-			if (line.contains("submodule \"bar\""))
-				bar = true;
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(dotmodules))) {
+			boolean foo = false;
+			boolean bar = false;
+			while (true) {
+				String line = reader.readLine();
+				if (line == null)
+					break;
+				if (line.contains("submodule \"foo\""))
+					foo = true;
+				if (line.contains("submodule \"bar\""))
+					bar = true;
+			}
+			assertTrue("The bar submodule should exist", bar);
+			assertFalse("The foo submodule shouldn't exist", foo);
 		}
-		reader.close();
-		assertTrue("The bar submodule should exist", bar);
-		assertFalse("The foo submodule shouldn't exist", foo);
 	}
 
 	@Test
@@ -896,34 +868,37 @@
 				.setURI(rootUri).call();
 		// Clone it
 		File directory = createTempDirectory("testRemoveOverlappingBare");
-		Repository localDb = Git.cloneRepository().setDirectory(directory)
+		File dotmodules;
+		try (Repository localDb = Git.cloneRepository().setDirectory(directory)
 				.setURI(remoteDb.getDirectory().toURI().toString()).call()
-				.getRepository();
+				.getRepository()) {
+			dotmodules = new File(localDb.getWorkTree(),
+				Constants.DOT_GIT_MODULES);
+		}
+
 		// The .gitmodules file should have 'submodule "foo"' and shouldn't
 		// have
 		// 'submodule "foo/bar"' lines.
-		File dotmodules = new File(localDb.getWorkTree(),
-				Constants.DOT_GIT_MODULES);
-		localDb.close();
-		BufferedReader reader = new BufferedReader(new FileReader(dotmodules));
-		boolean foo = false;
-		boolean foobar = false;
-		boolean a = false;
-		while (true) {
-			String line = reader.readLine();
-			if (line == null)
-				break;
-			if (line.contains("submodule \"foo\""))
-				foo = true;
-			if (line.contains("submodule \"foo/bar\""))
-				foobar = true;
-			if (line.contains("submodule \"a\""))
-				a = true;
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(dotmodules))) {
+			boolean foo = false;
+			boolean foobar = false;
+			boolean a = false;
+			while (true) {
+				String line = reader.readLine();
+				if (line == null)
+					break;
+				if (line.contains("submodule \"foo\""))
+					foo = true;
+				if (line.contains("submodule \"foo/bar\""))
+					foobar = true;
+				if (line.contains("submodule \"a\""))
+					a = true;
+			}
+			assertTrue("The foo submodule should exist", foo);
+			assertFalse("The foo/bar submodule shouldn't exist", foobar);
+			assertTrue("The a submodule should exist", a);
 		}
-		reader.close();
-		assertTrue("The foo submodule should exist", foo);
-		assertFalse("The foo/bar submodule shouldn't exist", foobar);
-		assertTrue("The a submodule should exist", a);
 	}
 
 	@Test
@@ -959,11 +934,12 @@
 			.call();
 		File hello = new File(localDb.getWorkTree(), "foo/hello.txt");
 		assertTrue("submodule should be checked out", hello.exists());
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"master world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"master world", content);
+		}
 	}
 	@Test
 	public void testRemoteAlias() throws Exception {
@@ -1165,11 +1141,12 @@
 			.setURI(rootUri)
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"branch world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"branch world", content);
+		}
 	}
 
 	@Test
@@ -1191,11 +1168,12 @@
 			.setURI(rootUri)
 			.call();
 		File hello = new File(db.getWorkTree(), "foo/hello.txt");
-		BufferedReader reader = new BufferedReader(new FileReader(hello));
-		String content = reader.readLine();
-		reader.close();
-		assertEquals("submodule content should be as expected",
-				"branch world", content);
+		try (BufferedReader reader = new BufferedReader(
+				new FileReader(hello))) {
+			String content = reader.readLine();
+			assertEquals("submodule content should be as expected",
+					"branch world", content);
+		}
 	}
 
 	private void resolveRelativeUris() {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/CGitIgnoreTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/CGitIgnoreTest.java
index 3b11616..0c6ed0c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/CGitIgnoreTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/CGitIgnoreTest.java
@@ -141,7 +141,9 @@
 		// Do a tree walk that does descend into ignored directories and return
 		// a list of all ignored files
 		try (TreeWalk walk = new TreeWalk(db)) {
-			walk.addTree(new FileTreeIterator(db));
+			FileTreeIterator iter = new FileTreeIterator(db);
+			iter.setWalkIgnoredDirectories(true);
+			walk.addTree(iter);
 			walk.setRecursive(true);
 			while (walk.next()) {
 				if (walk.getTree(WorkingTreeIterator.class).isEntryIgnored()) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreNodeTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreNodeTest.java
index ccc64fb..78d9a82 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreNodeTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/ignore/IgnoreNodeTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.ignore;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.junit.Assert.assertEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -56,7 +56,6 @@
 import java.util.ArrayList;
 import java.util.Arrays;
 
-import org.eclipse.jgit.ignore.IgnoreNode.MatchResult;
 import org.eclipse.jgit.junit.RepositoryTestCase;
 import org.eclipse.jgit.lib.FileMode;
 import org.eclipse.jgit.treewalk.FileTreeIterator;
@@ -546,19 +545,6 @@
 		endWalk();
 	}
 
-	@SuppressWarnings("deprecation")
-	@Test
-	public void testEmptyIgnoreNode() {
-		// Rules are never empty: WorkingTreeIterator optimizes empty files away
-		// So we have to test it manually in case third party clients use
-		// IgnoreNode directly.
-		IgnoreNode node = new IgnoreNode();
-		assertEquals(MatchResult.CHECK_PARENT, node.isIgnored("", false));
-		assertEquals(MatchResult.CHECK_PARENT, node.isIgnored("", false, false));
-		assertEquals(MatchResult.CHECK_PARENT_NEGATE_FIRST_MATCH,
-				node.isIgnored("", false, true));
-	}
-
 	@Test
 	public void testEmptyIgnoreRules() throws IOException {
 		IgnoreNode node = new IgnoreNode();
@@ -746,7 +732,9 @@
 
 	private void beginWalk() {
 		walk = new TreeWalk(db);
-		walk.addTree(new FileTreeIterator(db));
+		FileTreeIterator iter = new FileTreeIterator(db);
+		iter.setWalkIgnoredDirectories(true);
+		walk.addTree(iter);
 	}
 
 	private void endWalk() throws IOException {
@@ -779,6 +767,6 @@
 		for (String line : rules) {
 			data.append(line + "\n");
 		}
-		return new ByteArrayInputStream(data.toString().getBytes(UTF_8));
+		return new ByteArrayInputStream(data.toString().getBytes(CHARSET));
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/indexdiff/IndexDiffWithSymlinkTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/indexdiff/IndexDiffWithSymlinkTest.java
index d5d3857..26c11c7 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/indexdiff/IndexDiffWithSymlinkTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/indexdiff/IndexDiffWithSymlinkTest.java
@@ -41,7 +41,7 @@
  */
 package org.eclipse.jgit.indexdiff;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -128,7 +128,7 @@
 		File restoreScript = new File(testDir, name + ".sh");
 		try (OutputStream out = new BufferedOutputStream(
 				new FileOutputStream(restoreScript));
-				Writer writer = new OutputStreamWriter(out, UTF_8)) {
+				Writer writer = new OutputStreamWriter(out, CHARSET)) {
 			writer.write("echo `which git` 1>&2\n");
 			writer.write("echo `git --version` 1>&2\n");
 			writer.write("git init " + name + " && \\\n");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ConcurrentRepackTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ConcurrentRepackTest.java
index 4813d28..643daa5 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ConcurrentRepackTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/ConcurrentRepackTest.java
@@ -210,17 +210,17 @@
 		config.install();
 	}
 
-	private RevObject parse(final AnyObjectId id)
+	private RevObject parse(AnyObjectId id)
 			throws MissingObjectException, IOException {
 		try (RevWalk rw = new RevWalk(db)) {
 			return rw.parseAny(id);
 		}
 	}
 
-	private File[] pack(final Repository src, final RevObject... list)
+	private File[] pack(Repository src, RevObject... list)
 			throws IOException {
 		try (PackWriter pw = new PackWriter(src)) {
-			for (final RevObject o : list) {
+			for (RevObject o : list) {
 				pw.addObject(o);
 			}
 
@@ -233,7 +233,7 @@
 		}
 	}
 
-	private static void write(final File[] files, final PackWriter pw)
+	private static void write(File[] files, PackWriter pw)
 			throws IOException {
 		final long begin = files[0].getParentFile().lastModified();
 		NullProgressMonitor m = NullProgressMonitor.INSTANCE;
@@ -251,16 +251,16 @@
 		touch(begin, files[0].getParentFile());
 	}
 
-	private static void delete(final File[] list) throws IOException {
+	private static void delete(File[] list) throws IOException {
 		final long begin = list[0].getParentFile().lastModified();
-		for (final File f : list) {
+		for (File f : list) {
 			FileUtils.delete(f);
 			assertFalse(f + " was removed", f.exists());
 		}
 		touch(begin, list[0].getParentFile());
 	}
 
-	private static void touch(final long begin, final File dir) {
+	private static void touch(long begin, File dir) {
 		while (begin >= dir.lastModified()) {
 			try {
 				Thread.sleep(25);
@@ -271,12 +271,12 @@
 		}
 	}
 
-	private File fullPackFileName(final ObjectId name, final String suffix) {
+	private File fullPackFileName(ObjectId name, String suffix) {
 		final File packdir = db.getObjectDatabase().getPackDirectory();
 		return new File(packdir, "pack-" + name.name() + suffix);
 	}
 
-	private RevObject writeBlob(final Repository repo, final String data)
+	private RevObject writeBlob(Repository repo, String data)
 			throws IOException {
 		final byte[] bytes = Constants.encode(data);
 		final ObjectId id;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java
index 91bd523..04fccf3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackFileTest.java
@@ -146,15 +146,15 @@
 		assertFalse("is not large", ol.isLarge());
 		assertTrue("same content", Arrays.equals(data, ol.getCachedBytes()));
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data2, data));
-		assertEquals("stream at EOF", -1, in.read());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content", Arrays.equals(data2, data));
+			assertEquals("stream at EOF", -1, in.read());
+		}
 	}
 
 	@Test
@@ -180,15 +180,15 @@
 					.getMessage());
 		}
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data2, data));
-		assertEquals("stream at EOF", -1, in.read());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content", Arrays.equals(data2, data));
+			assertEquals("stream at EOF", -1, in.read());
+		}
 	}
 
 	@Test
@@ -239,15 +239,15 @@
 			assertNotNull(ol.getCachedBytes());
 			assertArrayEquals(data3, ol.getCachedBytes());
 
-			ObjectStream in = ol.openStream();
-			assertNotNull("have stream", in);
-			assertEquals(Constants.OBJ_BLOB, in.getType());
-			assertEquals(data3.length, in.getSize());
-			byte[] act = new byte[data3.length];
-			IO.readFully(in, act, 0, data3.length);
-			assertTrue("same content", Arrays.equals(act, data3));
-			assertEquals("stream at EOF", -1, in.read());
-			in.close();
+			try (ObjectStream in = ol.openStream()) {
+				assertNotNull("have stream", in);
+				assertEquals(Constants.OBJ_BLOB, in.getType());
+				assertEquals(data3.length, in.getSize());
+				byte[] act = new byte[data3.length];
+				IO.readFully(in, act, 0, data3.length);
+				assertTrue("same content", Arrays.equals(act, data3));
+				assertEquals("stream at EOF", -1, in.read());
+			}
 		}
 	}
 
@@ -282,22 +282,16 @@
 			File packName = new File(dir, idA.name() + ".pack");
 			File idxName = new File(dir, idA.name() + ".idx");
 
-			FileOutputStream f = new FileOutputStream(packName);
-			try {
+			try (FileOutputStream f = new FileOutputStream(packName)) {
 				f.write(pack.toByteArray());
-			} finally {
-				f.close();
 			}
 
-			f = new FileOutputStream(idxName);
-			try {
+			try (FileOutputStream f = new FileOutputStream(idxName)) {
 				List<PackedObjectInfo> list = new ArrayList<>();
 				list.add(a);
 				list.add(b);
 				Collections.sort(list);
 				new PackIndexWriterV1(f).write(list, footer);
-			} finally {
-				f.close();
 			}
 
 			PackFile packFile = new PackFile(packName, PackExt.INDEX.getBit());
@@ -321,16 +315,17 @@
 		assertTrue("has blob", wc.has(id));
 
 		ObjectLoader ol = wc.open(id);
-		ObjectStream in = ol.openStream();
-		assertTrue(in instanceof ObjectStream.SmallStream);
-		assertEquals(300, in.available());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertTrue(in instanceof ObjectStream.SmallStream);
+			assertEquals(300, in.available());
+		}
 
 		wc.setStreamFileThreshold(299);
 		ol = wc.open(id);
-		in = ol.openStream();
-		assertTrue(in instanceof ObjectStream.Filter);
-		assertEquals(1, in.available());
+		try (ObjectStream in = ol.openStream()) {
+			assertTrue(in instanceof ObjectStream.Filter);
+			assertEquals(1, in.available());
+		}
 	}
 
 	private static byte[] clone(int first, byte[] base) {
@@ -372,7 +367,7 @@
 		pack.write(buf, 0, n);
 	}
 
-	private static void deflate(TemporaryBuffer.Heap pack, final byte[] content)
+	private static void deflate(TemporaryBuffer.Heap pack, byte[] content)
 			throws IOException {
 		final Deflater deflater = new Deflater();
 		final byte[] buf = new byte[128];
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackWriterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackWriterTest.java
index 379432d..04bed09 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackWriterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/PackWriterTest.java
@@ -368,7 +368,7 @@
 				ObjectId.fromString("902d5476fa249b7abc9d84c611577a81381f0327"),
 				ObjectId.fromString("6ff87c4664981e4397625791c8ea3bbb5f2279a3") ,
 				ObjectId.fromString("5b6e7c66c276e7610d4a73c70ec1a1f7c1003259") };
-		try (final RevWalk parser = new RevWalk(db)) {
+		try (RevWalk parser = new RevWalk(db)) {
 			final RevObject forcedOrderRevs[] = new RevObject[forcedOrder.length];
 			for (int i = 0; i < forcedOrder.length; i++)
 				forcedOrderRevs[i] = parser.parseAny(forcedOrder[i]);
@@ -515,11 +515,8 @@
 
 		// Validate that an index written by PackWriter is the same.
 		final File idx2File = new File(indexFile.getAbsolutePath() + ".2");
-		final FileOutputStream is = new FileOutputStream(idx2File);
-		try {
+		try (FileOutputStream is = new FileOutputStream(idx2File)) {
 			writer.writeIndex(is);
-		} finally {
-			is.close();
 		}
 		final PackIndex idx2 = PackIndex.open(idx2File);
 		assertTrue(idx2 instanceof PackIndexV2);
@@ -715,14 +712,14 @@
 			String id = pw.computeName().getName();
 			File packdir = repo.getObjectDatabase().getPackDirectory();
 			File packFile = new File(packdir, "pack-" + id + ".pack");
-			FileOutputStream packOS = new FileOutputStream(packFile);
-			pw.writePack(NullProgressMonitor.INSTANCE,
-					NullProgressMonitor.INSTANCE, packOS);
-			packOS.close();
+			try (FileOutputStream packOS = new FileOutputStream(packFile)) {
+				pw.writePack(NullProgressMonitor.INSTANCE,
+						NullProgressMonitor.INSTANCE, packOS);
+			}
 			File idxFile = new File(packdir, "pack-" + id + ".idx");
-			FileOutputStream idxOS = new FileOutputStream(idxFile);
-			pw.writeIndex(idxOS);
-			idxOS.close();
+			try (FileOutputStream idxOS = new FileOutputStream(idxFile)) {
+				pw.writeIndex(idxOS);
+			}
 			return PackIndex.open(idxFile);
 		}
 	}
@@ -838,7 +835,7 @@
 		verifyOpenPack(thin);
 	}
 
-	private void createVerifyOpenPack(final List<RevObject> objectSource)
+	private void createVerifyOpenPack(List<RevObject> objectSource)
 			throws MissingObjectException, IOException {
 		NullProgressMonitor m = NullProgressMonitor.INSTANCE;
 		writer = new PackWriter(config, db.newObjectReader());
@@ -849,7 +846,7 @@
 		verifyOpenPack(false);
 	}
 
-	private void verifyOpenPack(final boolean thin) throws IOException {
+	private void verifyOpenPack(boolean thin) throws IOException {
 		final byte[] packData = os.toByteArray();
 
 		if (thin) {
@@ -871,13 +868,13 @@
 		assertNotNull("have PackFile after parsing", pack);
 	}
 
-	private PackParser index(final byte[] packData) throws IOException {
+	private PackParser index(byte[] packData) throws IOException {
 		if (inserter == null)
 			inserter = dst.newObjectInserter();
 		return inserter.newPackParser(new ByteArrayInputStream(packData));
 	}
 
-	private void verifyObjectsOrder(final ObjectId objectsOrder[]) {
+	private void verifyObjectsOrder(ObjectId objectsOrder[]) {
 		final List<PackIndex.MutableEntry> entries = new ArrayList<>();
 
 		for (MutableEntry me : pack) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefDirectoryTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefDirectoryTest.java
index fefccf3..5a2bd9c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefDirectoryTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefDirectoryTest.java
@@ -1271,7 +1271,7 @@
 					@Override
 					public void onRefsChanged(RefsChangedEvent event) {
 						try {
-							refDb.getRefs("ref");
+							refDb.getRefsByPrefix("ref");
 							changeCount.incrementAndGet();
 						} catch (StackOverflowError soe) {
 							error.set(soe);
@@ -1280,8 +1280,8 @@
 						}
 					}
 				});
-		refDb.getRefs("ref");
-		refDb.getRefs("ref");
+		refDb.getRefsByPrefix("ref");
+		refDb.getRefsByPrefix("ref");
 		assertNull(error.get());
 		assertNull(exception.get());
 		assertEquals(1, changeCount.get());
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefUpdateTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefUpdateTest.java
index d8d45a8..e1adeed 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefUpdateTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/RefUpdateTest.java
@@ -45,8 +45,8 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.eclipse.jgit.junit.Assert.assertEquals;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.LOCK_SUFFIX;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -62,6 +62,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Optional;
 
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
@@ -94,13 +95,13 @@
 		}
 	}
 
-	private RefUpdate updateRef(final String name) throws IOException {
+	private RefUpdate updateRef(String name) throws IOException {
 		final RefUpdate ref = db.updateRef(name);
 		ref.setNewObjectId(db.resolve(Constants.HEAD));
 		return ref;
 	}
 
-	private void delete(final RefUpdate ref, final Result expected)
+	private void delete(RefUpdate ref, Result expected)
 			throws IOException {
 		delete(ref, expected, true, true);
 	}
@@ -110,11 +111,21 @@
 		delete(db, ref, expected, exists, removed);
 	}
 
-	private void delete(Repository repo, final RefUpdate ref, final Result expected,
-			final boolean exists, final boolean removed) throws IOException {
-		assertEquals(exists, repo.getAllRefs().containsKey(ref.getName()));
+	private void delete(Repository repo, final RefUpdate ref,
+			final Result expected, final boolean exists, final boolean removed)
+			throws IOException {
+		assertEquals(exists, getRef(repo, ref.getName()).isPresent());
 		assertEquals(expected, ref.delete());
-		assertEquals(!removed, repo.getAllRefs().containsKey(ref.getName()));
+		assertEquals(!removed, getRef(repo, ref.getName()).isPresent());
+	}
+
+	private Optional<Ref> getRef(Repository repo, String name)
+			throws IOException {
+		return getRef(repo.getRefDatabase().getRefs(), name);
+	}
+
+	private Optional<Ref> getRef(List<Ref> refs, String name) {
+		return refs.stream().filter(r -> r.getName().equals(name)).findAny();
 	}
 
 	@Test
@@ -125,8 +136,7 @@
 		ru.setNewObjectId(newid);
 		Result update = ru.update();
 		assertEquals(Result.NEW, update);
-		final Ref r = db.getAllRefs().get(newRef);
-		assertNotNull(r);
+		final Ref r = getRef(db, newRef).get();
 		assertEquals(newRef, r.getName());
 		assertNotNull(r.getObjectId());
 		assertNotSame(newid, r.getObjectId());
@@ -253,7 +263,7 @@
 
 		ObjectId blobId;
 		try (ObjectInserter ins = bareRepo.newObjectInserter()) {
-			blobId = ins.insert(Constants.OBJ_BLOB, "contents".getBytes(UTF_8));
+			blobId = ins.insert(Constants.OBJ_BLOB, "contents".getBytes(CHARSET));
 			ins.flush();
 		}
 
@@ -378,10 +388,10 @@
 
 	@Test
 	public void testRefKeySameAsName() {
+		@SuppressWarnings("deprecation")
 		Map<String, Ref> allRefs = db.getAllRefs();
 		for (Entry<String, Ref> e : allRefs.entrySet()) {
 			assertEquals(e.getKey(), e.getValue().getName());
-
 		}
 	}
 
@@ -520,8 +530,8 @@
 	 */
 	@Test
 	public void testRefsCacheAfterUpdate() throws Exception {
-		// Do not use the defalt repo for this case.
-		Map<String, Ref> allRefs = db.getAllRefs();
+		// Do not use the default repo for this case.
+		List<Ref> allRefs = db.getRefDatabase().getRefs();
 		ObjectId oldValue = db.resolve("HEAD");
 		ObjectId newValue = db.resolve("HEAD^");
 		// first make HEAD refer to loose ref
@@ -537,9 +547,9 @@
 		update = updateRef.update();
 		assertEquals(Result.FAST_FORWARD, update);
 
-		allRefs = db.getAllRefs();
-		Ref master = allRefs.get("refs/heads/master");
-		Ref head = allRefs.get("HEAD");
+		allRefs = db.getRefDatabase().getRefs();
+		Ref master = getRef(allRefs, "refs/heads/master").get();
+		Ref head = getRef(allRefs, "HEAD").get();
 		assertEquals("refs/heads/master", master.getName());
 		assertEquals("HEAD", head.getName());
 		assertTrue("is symbolic reference", head.isSymbolic());
@@ -557,8 +567,8 @@
 	 */
 	@Test
 	public void testRefsCacheAfterUpdateLooseOnly() throws Exception {
-		// Do not use the defalt repo for this case.
-		Map<String, Ref> allRefs = db.getAllRefs();
+		// Do not use the default repo for this case.
+		List<Ref> allRefs = db.getRefDatabase().getRefs();
 		ObjectId oldValue = db.resolve("HEAD");
 		writeSymref(Constants.HEAD, "refs/heads/newref");
 		RefUpdate updateRef = db.updateRef(Constants.HEAD);
@@ -567,9 +577,9 @@
 		Result update = updateRef.update();
 		assertEquals(Result.NEW, update);
 
-		allRefs = db.getAllRefs();
-		Ref head = allRefs.get("HEAD");
-		Ref newref = allRefs.get("refs/heads/newref");
+		allRefs = db.getRefDatabase().getRefs();
+		Ref head = getRef(allRefs, "HEAD").get();
+		Ref newref = getRef(allRefs, "refs/heads/newref").get();
 		assertEquals("refs/heads/newref", newref.getName());
 		assertEquals("HEAD", head.getName());
 		assertTrue("is symbolic reference", head.isSymbolic());
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
index d7505af..e113db1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/T0003_BasicTest.java
@@ -47,7 +47,7 @@
 package org.eclipse.jgit.internal.storage.file;
 
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
@@ -137,10 +137,10 @@
 	@Test
 	public void test000_openrepo_default_gitDirSet() throws IOException {
 		File repo1Parent = new File(trash.getParentFile(), "r1");
-		Repository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		repo1initial.close();
+		try (Repository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
 		FileRepository r = (FileRepository) new FileRepositoryBuilder()
@@ -162,10 +162,10 @@
 	public void test000_openrepo_default_gitDirAndWorkTreeSet()
 			throws IOException {
 		File repo1Parent = new File(trash.getParentFile(), "r1");
-		Repository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		repo1initial.close();
+		try (Repository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
 		FileRepository r = (FileRepository) new FileRepositoryBuilder()
@@ -187,10 +187,10 @@
 	@Test
 	public void test000_openrepo_default_workDirSet() throws IOException {
 		File repo1Parent = new File(trash.getParentFile(), "r1");
-		Repository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		repo1initial.close();
+		try (Repository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
 		FileRepository r = (FileRepository) new FileRepositoryBuilder()
@@ -213,13 +213,13 @@
 		File repo1Parent = new File(trash.getParentFile(), "r1");
 		File workdir = new File(trash.getParentFile(), "rw");
 		FileUtils.mkdir(workdir);
-		FileRepository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		final FileBasedConfig cfg = repo1initial.getConfig();
-		cfg.setString("core", null, "worktree", workdir.getAbsolutePath());
-		cfg.save();
-		repo1initial.close();
+		try (FileRepository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+			final FileBasedConfig cfg = repo1initial.getConfig();
+			cfg.setString("core", null, "worktree", workdir.getAbsolutePath());
+			cfg.save();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
 		FileRepository r = (FileRepository) new FileRepositoryBuilder()
@@ -242,13 +242,13 @@
 		File repo1Parent = new File(trash.getParentFile(), "r1");
 		File workdir = new File(trash.getParentFile(), "rw");
 		FileUtils.mkdir(workdir);
-		FileRepository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		final FileBasedConfig cfg = repo1initial.getConfig();
-		cfg.setString("core", null, "worktree", "../../rw");
-		cfg.save();
-		repo1initial.close();
+		try (FileRepository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+			final FileBasedConfig cfg = repo1initial.getConfig();
+			cfg.setString("core", null, "worktree", "../../rw");
+			cfg.save();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
 		FileRepository r = (FileRepository) new FileRepositoryBuilder()
@@ -273,26 +273,24 @@
 		File indexFile = new File(trash, "idx");
 		File objDir = new File(trash, "../obj");
 		File altObjDir = db.getObjectDatabase().getDirectory();
-		Repository repo1initial = new FileRepository(new File(repo1Parent,
-				Constants.DOT_GIT));
-		repo1initial.create();
-		repo1initial.close();
+		try (Repository repo1initial = new FileRepository(
+				new File(repo1Parent, Constants.DOT_GIT))) {
+			repo1initial.create();
+		}
 
 		File theDir = new File(repo1Parent, Constants.DOT_GIT);
-		FileRepository r = (FileRepository) new FileRepositoryBuilder() //
+		try (FileRepository r = (FileRepository) new FileRepositoryBuilder() //
 				.setGitDir(theDir).setObjectDirectory(objDir) //
 				.addAlternateObjectDirectory(altObjDir) //
 				.setIndexFile(indexFile) //
-				.build();
-		assertEqualsPath(theDir, r.getDirectory());
-		assertEqualsPath(theDir.getParentFile(), r.getWorkTree());
-		assertEqualsPath(indexFile, r.getIndexFile());
-		assertEqualsPath(objDir, r.getObjectDatabase().getDirectory());
-		assertNotNull(r.open(ObjectId
-				.fromString("6db9c2ebf75590eef973081736730a9ea169a0c4")));
-		// Must close or the default repo pack files created by this test gets
-		// locked via the alternate object directories on Windows.
-		r.close();
+				.build()) {
+			assertEqualsPath(theDir, r.getDirectory());
+			assertEqualsPath(theDir.getParentFile(), r.getWorkTree());
+			assertEqualsPath(indexFile, r.getIndexFile());
+			assertEqualsPath(objDir, r.getObjectDatabase().getDirectory());
+			assertNotNull(r.open(ObjectId
+					.fromString("6db9c2ebf75590eef973081736730a9ea169a0c4")));
+		}
 	}
 
 	protected void assertEqualsPath(File expected, File actual)
@@ -307,7 +305,7 @@
 		// object (as it already exists in the pack).
 		//
 		final Repository newdb = createBareRepository();
-		try (final ObjectInserter oi = newdb.newObjectInserter()) {
+		try (ObjectInserter oi = newdb.newObjectInserter()) {
 			final ObjectId treeId = oi.insert(new TreeFormatter());
 			assertEquals("4b825dc642cb6eb9a060e54bf8d69288fbee4904",
 					treeId.name());
@@ -375,7 +373,7 @@
 
 	@Test
 	public void test007_Open() throws IOException {
-		try (final FileRepository db2 = new FileRepository(db.getDirectory())) {
+		try (FileRepository db2 = new FileRepository(db.getDirectory())) {
 			assertEquals(db.getDirectory(), db2.getDirectory());
 			assertEquals(db.getObjectDatabase().getDirectory(), db2
 					.getObjectDatabase().getDirectory());
@@ -417,14 +415,11 @@
 		// Verify the commit we just wrote is in the correct format.
 		ObjectDatabase odb = db.getObjectDatabase();
 		assertTrue("is ObjectDirectory", odb instanceof ObjectDirectory);
-		final XInputStream xis = new XInputStream(new FileInputStream(
-				((ObjectDirectory) odb).fileFor(cmtid)));
-		try {
+		try (XInputStream xis = new XInputStream(
+				new FileInputStream(((ObjectDirectory) odb).fileFor(cmtid)))) {
 			assertEquals(0x78, xis.readUInt8());
 			assertEquals(0x9c, xis.readUInt8());
 			assertEquals(0, 0x789c % 31);
-		} finally {
-			xis.close();
 		}
 
 		// Verify we can read it.
@@ -522,7 +517,7 @@
 				4294967295000L, 60));
 		commit.setCommitter(new PersonIdent("Joe Hacker", "joe2@example.com",
 				4294967295000L, 60));
-		commit.setEncoding(UTF_8);
+		commit.setEncoding(CHARSET);
 		commit.setMessage("\u00dcbergeeks");
 		ObjectId cid = insertCommit(commit);
 		assertEquals("4680908112778718f37e686cbebcc912730b3154", cid.name());
@@ -562,7 +557,7 @@
 	@Test
 	public void test026_CreateCommitMultipleparents() throws IOException {
 		final ObjectId treeId;
-		try (final ObjectInserter oi = db.newObjectInserter()) {
+		try (ObjectInserter oi = db.newObjectInserter()) {
 			final ObjectId blobId = oi.insert(Constants.OBJ_BLOB,
 					"and this is the data in me\n".getBytes(Constants.CHARSET
 							.name()));
@@ -752,7 +747,7 @@
 		}
 	}
 
-	private ObjectId insertCommit(final CommitBuilder builder)
+	private ObjectId insertCommit(CommitBuilder builder)
 			throws IOException, UnsupportedEncodingException {
 		try (ObjectInserter oi = db.newObjectInserter()) {
 			ObjectId id = oi.insert(builder);
@@ -769,7 +764,7 @@
 		}
 	}
 
-	private ObjectId insertTag(final TagBuilder tag) throws IOException,
+	private ObjectId insertTag(TagBuilder tag) throws IOException,
 			UnsupportedEncodingException {
 		try (ObjectInserter oi = db.newObjectInserter()) {
 			ObjectId id = oi.insert(tag);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/UnpackedObjectTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/UnpackedObjectTest.java
index c5ab766..98ff04e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/UnpackedObjectTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/UnpackedObjectTest.java
@@ -130,15 +130,15 @@
 		assertFalse("is not large", ol.isLarge());
 		assertTrue("same content", Arrays.equals(data, ol.getCachedBytes()));
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data2, data));
-		assertEquals("stream at EOF", -1, in.read());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content", Arrays.equals(data2, data));
+			assertEquals("stream at EOF", -1, in.read());
+		}
 	}
 
 	@Test
@@ -150,11 +150,8 @@
 
 		ObjectLoader ol;
 		{
-			FileInputStream fs = new FileInputStream(path(id));
-			try {
+			try (FileInputStream fs = new FileInputStream(path(id))) {
 				ol = UnpackedObject.open(fs, path(id), id, wc);
-			} finally {
-				fs.close();
 			}
 		}
 
@@ -171,15 +168,15 @@
 					.getMessage());
 		}
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data2, data));
-		assertEquals("stream at EOF", -1, in.read());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content", Arrays.equals(data2, data));
+			assertEquals("stream at EOF", -1, in.read());
+		}
 	}
 
 	@Test
@@ -316,23 +313,13 @@
 		write(id, gz);
 
 		ObjectLoader ol;
-		{
-			FileInputStream fs = new FileInputStream(path(id));
-			try {
-				ol = UnpackedObject.open(fs, path(id), id, wc);
-			} finally {
-				fs.close();
-			}
+		try (FileInputStream fs = new FileInputStream(path(id))) {
+			ol = UnpackedObject.open(fs, path(id), id, wc);
 		}
 
-		try {
-			byte[] tmp = new byte[data.length];
-			InputStream in = ol.openStream();
-			try {
-				IO.readFully(in, tmp, 0, tmp.length);
-			} finally {
-				in.close();
-			}
+		byte[] tmp = new byte[data.length];
+		try (InputStream in = ol.openStream()) {
+			IO.readFully(in, tmp, 0, tmp.length);
 			fail("Did not throw CorruptObjectException");
 		} catch (CorruptObjectException coe) {
 			assertEquals(MessageFormat.format(JGitText.get().objectIsCorrupt,
@@ -354,16 +341,12 @@
 		write(id, tr);
 
 		ObjectLoader ol;
-		{
-			FileInputStream fs = new FileInputStream(path(id));
-			try {
-				ol = UnpackedObject.open(fs, path(id), id, wc);
-			} finally {
-				fs.close();
-			}
+		try (FileInputStream fs = new FileInputStream(path(id))) {
+			ol = UnpackedObject.open(fs, path(id), id, wc);
 		}
 
 		byte[] tmp = new byte[data.length];
+		@SuppressWarnings("resource") // We are testing that the close() method throws
 		InputStream in = ol.openStream();
 		IO.readFully(in, tmp, 0, tmp.length);
 		try {
@@ -389,16 +372,12 @@
 		write(id, tr);
 
 		ObjectLoader ol;
-		{
-			FileInputStream fs = new FileInputStream(path(id));
-			try {
-				ol = UnpackedObject.open(fs, path(id), id, wc);
-			} finally {
-				fs.close();
-			}
+		try (FileInputStream fs = new FileInputStream(path(id))) {
+			ol = UnpackedObject.open(fs, path(id), id, wc);
 		}
 
 		byte[] tmp = new byte[data.length];
+		@SuppressWarnings("resource") // We are testing that the close() method throws
 		InputStream in = ol.openStream();
 		IO.readFully(in, tmp, 0, tmp.length);
 		try {
@@ -426,14 +405,15 @@
 		assertFalse("is not large", ol.isLarge());
 		assertTrue("same content", Arrays.equals(data, ol.getCachedBytes()));
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data, ol.getCachedBytes()));
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content",
+					Arrays.equals(data, ol.getCachedBytes()));
+		}
 	}
 
 	@Test
@@ -444,13 +424,8 @@
 		write(id, compressPackFormat(type, data));
 
 		ObjectLoader ol;
-		{
-			FileInputStream fs = new FileInputStream(path(id));
-			try {
-				ol = UnpackedObject.open(fs, path(id), id, wc);
-			} finally {
-				fs.close();
-			}
+		try (FileInputStream fs = new FileInputStream(path(id))) {
+			ol = UnpackedObject.open(fs, path(id), id, wc);
 		}
 
 		assertNotNull("created loader", ol);
@@ -466,15 +441,15 @@
 					.getMessage());
 		}
 
-		ObjectStream in = ol.openStream();
-		assertNotNull("have stream", in);
-		assertEquals(type, in.getType());
-		assertEquals(data.length, in.getSize());
-		byte[] data2 = new byte[data.length];
-		IO.readFully(in, data2, 0, data.length);
-		assertTrue("same content", Arrays.equals(data2, data));
-		assertEquals("stream at EOF", -1, in.read());
-		in.close();
+		try (ObjectStream in = ol.openStream()) {
+			assertNotNull("have stream", in);
+			assertEquals(type, in.getType());
+			assertEquals(data.length, in.getSize());
+			byte[] data2 = new byte[data.length];
+			IO.readFully(in, data2, 0, data.length);
+			assertTrue("same content", Arrays.equals(data2, data));
+			assertEquals("stream at EOF", -1, in.read());
+		}
 	}
 
 	@Test
@@ -573,11 +548,8 @@
 	private void write(ObjectId id, byte[] data) throws IOException {
 		File path = path(id);
 		FileUtils.mkdirs(path.getParentFile());
-		FileOutputStream out = new FileOutputStream(path);
-		try {
+		try (FileOutputStream out = new FileOutputStream(path)) {
 			out.write(data);
-		} finally {
-			out.close();
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
index cc34838..82ad28e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/WindowCacheGetTest.java
@@ -74,11 +74,10 @@
 		super.setUp();
 
 		toLoad = new ArrayList<>();
-		final BufferedReader br = new BufferedReader(new InputStreamReader(
+		try (BufferedReader br = new BufferedReader(new InputStreamReader(
 				new FileInputStream(JGitTestUtil
 						.getTestResourceFile("all_packed_objects.txt")),
-				Constants.CHARSET));
-		try {
+				Constants.CHARSET))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				final String[] parts = line.split(" {1,}");
@@ -90,8 +89,6 @@
 				// parts[4] is the offset in the pack
 				toLoad.add(o);
 			}
-		} finally {
-			br.close();
 		}
 		assertEquals(96, toLoad.size());
 	}
@@ -127,7 +124,7 @@
 		checkLimits(cfg);
 	}
 
-	private static void checkLimits(final WindowCacheConfig cfg) {
+	private static void checkLimits(WindowCacheConfig cfg) {
 		final WindowCache cache = WindowCache.getInstance();
 		assertTrue(cache.getOpenFiles() <= cfg.getPackedGitOpenFiles());
 		assertTrue(cache.getOpenBytes() <= cfg.getPackedGitLimit());
@@ -136,7 +133,7 @@
 	}
 
 	private void doCacheTests() throws IOException {
-		for (final TestObject o : toLoad) {
+		for (TestObject o : toLoad) {
 			final ObjectLoader or = db.open(o.id, o.type);
 			assertNotNull(or);
 			assertEquals(o.type, or.getType());
@@ -148,7 +145,7 @@
 
 		int type;
 
-		void setType(final String typeStr) throws CorruptObjectException {
+		void setType(String typeStr) throws CorruptObjectException {
 			final byte[] typeRaw = Constants.encode(typeStr + " ");
 			final MutableInteger ptr = new MutableInteger();
 			type = Constants.decodeTypeString(id, typeRaw, (byte) ' ', ptr);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/XInputStream.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/XInputStream.java
index 46f9ee3..910999c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/XInputStream.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/file/XInputStream.java
@@ -53,7 +53,7 @@
 class XInputStream extends BufferedInputStream {
 	private final byte[] intbuf = new byte[8];
 
-	XInputStream(final InputStream s) {
+	XInputStream(InputStream s) {
 		super(s);
 	}
 
@@ -63,7 +63,7 @@
 		return b;
 	}
 
-	synchronized void readFully(final byte[] b, int o, int len)
+	synchronized void readFully(byte[] b, int o, int len)
 			throws IOException {
 		int r;
 		while (len > 0 && (r = read(b, o, len)) > 0) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabaseTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabaseTest.java
index 1684afa..ae52ad5 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabaseTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabaseTest.java
@@ -631,7 +631,7 @@
 				name);
 	}
 
-	private void symref(final String name, final String dst)
+	private void symref(String name, String dst)
 			throws IOException {
 		commit(new Function() {
 			@Override
@@ -648,7 +648,7 @@
 		});
 	}
 
-	private void update(final String name, final ObjectId id)
+	private void update(String name, ObjectId id)
 			throws IOException {
 		commit(new Function() {
 			@Override
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/junit/TestRepositoryTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/junit/TestRepositoryTest.java
index b7027f3..965899e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/junit/TestRepositoryTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/junit/TestRepositoryTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.junit;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotEquals;
@@ -418,6 +418,6 @@
 		RevObject obj = tr.get(rw.parseTree(treeish), path);
 		assertSame(RevBlob.class, obj.getClass());
 		ObjectLoader loader = rw.getObjectReader().open(obj);
-		return new String(loader.getCachedBytes(), UTF_8);
+		return new String(loader.getCachedBytes(), CHARSET);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/BranchConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/BranchConfigTest.java
index 87bb082..1ecdf21 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/BranchConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/BranchConfigTest.java
@@ -160,7 +160,7 @@
 		assertTrue(new BranchConfig(c, "true").isRebase());
 	}
 
-	private static Config parse(final String content) {
+	private static Config parse(String content) {
 		final Config c = new Config(null);
 		try {
 			c.fromText(content);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
index 7862005..c4c4da8 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ConfigTest.java
@@ -914,12 +914,12 @@
 		assertEquals(exp, c.getLong("s", null, "a", 0L));
 	}
 
-	private static Config parse(final String content)
+	private static Config parse(String content)
 			throws ConfigInvalidException {
 		return parse(content, null);
 	}
 
-	private static Config parse(final String content, Config baseConfig)
+	private static Config parse(String content, Config baseConfig)
 			throws ConfigInvalidException {
 		final Config c = new Config(baseConfig);
 		c.fromText(content);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/DirCacheCheckoutTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/DirCacheCheckoutTest.java
index 0412242..eb87827 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/DirCacheCheckoutTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/DirCacheCheckoutTest.java
@@ -78,8 +78,10 @@
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.junit.TestRepository.BranchBuilder;
 import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.treewalk.AbstractTreeIterator;
 import org.eclipse.jgit.treewalk.FileTreeIterator;
 import org.eclipse.jgit.treewalk.TreeWalk;
+import org.eclipse.jgit.treewalk.WorkingTreeIterator;
 import org.eclipse.jgit.util.FS;
 import org.eclipse.jgit.util.FileUtils;
 import org.junit.Assume;
@@ -1904,6 +1906,117 @@
 		assertUpdated(longFileName);
 	}
 
+	@Test
+	public void testIgnoredDirectory() throws Exception {
+		writeTrashFile(".gitignore", "src/ignored");
+		writeTrashFile("src/ignored/sub/foo.txt", "1");
+		try (Git git = new Git(db)) {
+			git.add().addFilepattern(".").call();
+			RevCommit commit = git.commit().setMessage("adding .gitignore")
+					.call();
+			writeTrashFile("foo.txt", "2");
+			writeTrashFile("zzz.txt", "3");
+			git.add().addFilepattern("foo.txt").call();
+			git.commit().setMessage("add file").call();
+			assertEquals("Should not have entered ignored directory", 1,
+					resetHardAndCount(commit));
+		}
+	}
+
+	@Test
+	public void testIgnoredDirectoryWithTrackedContent() throws Exception {
+		writeTrashFile("src/ignored/sub/foo.txt", "1");
+		try (Git git = new Git(db)) {
+			git.add().addFilepattern(".").call();
+			git.commit().setMessage("adding foo.txt").call();
+			writeTrashFile(".gitignore", "src/ignored");
+			writeTrashFile("src/ignored/sub/foo.txt", "2");
+			writeTrashFile("src/ignored/other/bar.txt", "3");
+			git.add().addFilepattern(".").call();
+			RevCommit commit = git.commit().setMessage("adding .gitignore")
+					.call();
+			writeTrashFile("foo.txt", "2");
+			writeTrashFile("zzz.txt", "3");
+			git.add().addFilepattern("foo.txt").call();
+			git.commit().setMessage("add file").call();
+			File file = writeTrashFile("src/ignored/sub/foo.txt", "3");
+			assertEquals("Should have entered ignored directory", 3,
+					resetHardAndCount(commit));
+			checkFile(file, "2");
+		}
+	}
+
+	@Test
+	public void testResetWithChangeInGitignore() throws Exception {
+		writeTrashFile(".gitignore", "src/ignored");
+		writeTrashFile("src/ignored/sub/foo.txt", "1");
+		try (Git git = new Git(db)) {
+			git.add().addFilepattern(".").call();
+			RevCommit initial = git.commit().setMessage("initial").call();
+			writeTrashFile("src/newignored/foo.txt", "2");
+			writeTrashFile("src/.gitignore", "newignored");
+			git.add().addFilepattern(".").call();
+			RevCommit commit = git.commit().setMessage("newignored").call();
+			assertEquals("Should not have entered src/newignored directory", 1,
+					resetHardAndCount(initial));
+			assertEquals("Should have entered src/newignored directory", 2,
+					resetHardAndCount(commit));
+			deleteTrashFile("src/.gitignore");
+			git.rm().addFilepattern("src/.gitignore").call();
+			RevCommit top = git.commit().setMessage("Unignore newignore")
+					.call();
+			assertEquals("Should have entered src/newignored directory", 2,
+					resetHardAndCount(initial));
+			assertEquals("Should have entered src/newignored directory", 2,
+					resetHardAndCount(commit));
+			assertEquals("Should not have entered src/newignored directory", 1,
+					resetHardAndCount(top));
+
+		}
+	}
+
+	private static class TestFileTreeIterator extends FileTreeIterator {
+
+		// For assertions only
+		private final int[] count;
+
+		public TestFileTreeIterator(Repository repo, int[] count) {
+			super(repo);
+			this.count = count;
+		}
+
+		protected TestFileTreeIterator(final WorkingTreeIterator p,
+				final File root, FS fs, FileModeStrategy fileModeStrategy,
+				int[] count) {
+			super(p, root, fs, fileModeStrategy);
+			this.count = count;
+		}
+
+		@Override
+		protected AbstractTreeIterator enterSubtree() {
+			count[0] += 1;
+			return new TestFileTreeIterator(this,
+					((FileEntry) current()).getFile(), fs, fileModeStrategy,
+					count);
+		}
+	}
+
+	private int resetHardAndCount(RevCommit commit) throws Exception {
+		int[] callCount = { 0 };
+		DirCache cache = db.lockDirCache();
+		FileTreeIterator workingTreeIterator = new TestFileTreeIterator(db,
+				callCount);
+		try {
+			DirCacheCheckout checkout = new DirCacheCheckout(db, null, cache,
+					commit.getTree().getId(), workingTreeIterator);
+			checkout.setFailOnConflict(false);
+			checkout.checkout();
+		} finally {
+			cache.unlock();
+		}
+		return callCount[0];
+	}
+
 	public void assertWorkDir(Map<String, String> i)
 			throws CorruptObjectException,
 			IOException {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/IndexDiffTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/IndexDiffTest.java
index 2cb8f86..580b08b 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/IndexDiffTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/IndexDiffTest.java
@@ -470,7 +470,8 @@
 	}
 
 	/**
-	 * Test that ignored folders aren't listed as untracked
+	 * Test that ignored folders aren't listed as untracked, but are listed as
+	 * ignored.
 	 *
 	 * @throws Exception
 	 */
@@ -499,6 +500,8 @@
 			diff.diff();
 			assertEquals(new HashSet<>(Arrays.asList("src")),
 					diff.getUntrackedFolders());
+			assertEquals(new HashSet<>(Arrays.asList("sr", "target")),
+					diff.getIgnoredNotInIndex());
 
 			git.add().addFilepattern("src").call();
 			writeTrashFile("sr/com/X1.java", "");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
index f6879b9..1ab36f0 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ObjectCheckerTest.java
@@ -45,7 +45,7 @@
 package org.eclipse.jgit.lib;
 
 import static java.lang.Integer.valueOf;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.junit.JGitTestUtil.concat;
 import static org.eclipse.jgit.lib.Constants.OBJECT_ID_LENGTH;
 import static org.eclipse.jgit.lib.Constants.OBJ_BAD;
@@ -1560,7 +1560,7 @@
 		StringBuilder b = new StringBuilder();
 		entry(b, "100644 A");
 		entry(b, "100644 a");
-		byte[] data = b.toString().getBytes(UTF_8);
+		byte[] data = b.toString().getBytes(CHARSET);
 		checker.setSafeForWindows(true);
 		assertCorrupt("duplicate entry names", OBJ_TREE, data);
 		assertSkipListAccepts(OBJ_TREE, data);
@@ -1574,7 +1574,7 @@
 		StringBuilder b = new StringBuilder();
 		entry(b, "100644 A");
 		entry(b, "100644 a");
-		byte[] data = b.toString().getBytes(UTF_8);
+		byte[] data = b.toString().getBytes(CHARSET);
 		checker.setSafeForMacOS(true);
 		assertCorrupt("duplicate entry names", OBJ_TREE, data);
 		assertSkipListAccepts(OBJ_TREE, data);
@@ -1588,7 +1588,7 @@
 		StringBuilder b = new StringBuilder();
 		entry(b, "100644 \u0065\u0301");
 		entry(b, "100644 \u00e9");
-		byte[] data = b.toString().getBytes(UTF_8);
+		byte[] data = b.toString().getBytes(CHARSET);
 		checker.setSafeForMacOS(true);
 		assertCorrupt("duplicate entry names", OBJ_TREE, data);
 		assertSkipListAccepts(OBJ_TREE, data);
@@ -1602,7 +1602,7 @@
 		StringBuilder b = new StringBuilder();
 		entry(b, "100644 A");
 		checker.setSafeForMacOS(true);
-		checker.checkTree(b.toString().getBytes(UTF_8));
+		checker.checkTree(b.toString().getBytes(CHARSET));
 	}
 
 	@Test
@@ -1762,7 +1762,7 @@
 		checker.setSkipList(null);
 	}
 
-	private static ObjectIdSet set(final ObjectId... ids) {
+	private static ObjectIdSet set(ObjectId... ids) {
 		return new ObjectIdSet() {
 			@Override
 			public boolean contains(AnyObjectId objectId) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RacyGitTests.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RacyGitTests.java
index 552b7a1..6bc8ff7 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RacyGitTests.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RacyGitTests.java
@@ -122,12 +122,9 @@
 
 	private File writeToWorkDir(String path, String content) throws IOException {
 		File f = new File(db.getWorkTree(), path);
-		FileOutputStream fos = new FileOutputStream(f);
-		try {
+		try (FileOutputStream fos = new FileOutputStream(f)) {
 			fos.write(content.getBytes(Constants.CHARACTER_ENCODING));
 			return f;
-		} finally {
-			fos.close();
 		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RefTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RefTest.java
index 7fb3309..2481e64 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RefTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RefTest.java
@@ -57,6 +57,7 @@
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.List;
 import java.util.Map;
 import java.util.TreeSet;
 
@@ -253,11 +254,11 @@
 			InterruptedException {
 		Ref ref = db.exactRef("refs/heads/master");
 		assertEquals(Storage.PACKED, ref.getStorage());
-		FileOutputStream os = new FileOutputStream(new File(db.getDirectory(),
-				"refs/heads/master"));
-		os.write(ref.getObjectId().name().getBytes());
-		os.write('\n');
-		os.close();
+		try (FileOutputStream os = new FileOutputStream(
+				new File(db.getDirectory(), "refs/heads/master"))) {
+			os.write(ref.getObjectId().name().getBytes());
+			os.write('\n');
+		}
 
 		ref = db.exactRef("refs/heads/master");
 		assertEquals(Storage.LOOSE, ref.getStorage());
@@ -305,4 +306,26 @@
 		assertSame(dst.getPeeledObjectId(), ref.getPeeledObjectId());
 		assertEquals(dst.isPeeled(), ref.isPeeled());
 	}
+
+	private static void checkContainsRef(List<Ref> haystack, Ref needle) {
+		for (Ref ref : haystack) {
+			if (ref.getName().equals(needle.getName()) &&
+					ref.getObjectId().equals(needle.getObjectId())) {
+				return;
+			}
+		}
+		fail("list " + haystack + " does not contain ref " + needle);
+	}
+
+	@Test
+	public void testGetRefsByPrefix() throws IOException {
+		List<Ref> refs = db.getRefDatabase().getRefsByPrefix("refs/heads/g");
+		assertEquals(2, refs.size());
+		checkContainsRef(refs, db.exactRef("refs/heads/g"));
+		checkContainsRef(refs, db.exactRef("refs/heads/gitlink"));
+
+		refs = db.getRefDatabase().getRefsByPrefix("refs/heads/prefix/");
+		assertEquals(1, refs.size());
+		checkContainsRef(refs, db.exactRef("refs/heads/prefix/a"));
+	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
index 1107c2c..58b005c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryCacheTest.java
@@ -94,24 +94,25 @@
 
 	@Test
 	public void testFileKeyOpenExisting() throws IOException {
-		Repository r;
+		try (Repository r = new FileKey(db.getDirectory(), db.getFS())
+				.open(true)) {
+			assertNotNull(r);
+			assertEqualsFile(db.getDirectory(), r.getDirectory());
+		}
 
-		r = new FileKey(db.getDirectory(), db.getFS()).open(true);
-		assertNotNull(r);
-		assertEqualsFile(db.getDirectory(), r.getDirectory());
-		r.close();
-
-		r = new FileKey(db.getDirectory(), db.getFS()).open(false);
-		assertNotNull(r);
-		assertEqualsFile(db.getDirectory(), r.getDirectory());
-		r.close();
+		try (Repository r = new FileKey(db.getDirectory(), db.getFS())
+				.open(false)) {
+			assertNotNull(r);
+			assertEqualsFile(db.getDirectory(), r.getDirectory());
+		}
 	}
 
 	@Test
 	public void testFileKeyOpenNew() throws IOException {
-		final Repository n = createRepository(true, false);
-		final File gitdir = n.getDirectory();
-		n.close();
+		File gitdir;
+		try (Repository n = createRepository(true, false)) {
+			gitdir = n.getDirectory();
+		}
 		recursiveDelete(gitdir);
 		assertFalse(gitdir.exists());
 
@@ -143,6 +144,7 @@
 	@Test
 	public void testCacheOpen() throws Exception {
 		final FileKey loc = FileKey.exact(db.getDirectory(), db.getFS());
+		@SuppressWarnings("resource") // We are testing the close() method
 		final Repository d2 = RepositoryCache.open(loc);
 		assertNotSame(db, d2);
 		assertSame(d2, RepositoryCache.open(FileKey.exact(loc.getFile(), db.getFS())));
@@ -176,6 +178,7 @@
 	@Test
 	public void testRepositoryUsageCount() throws Exception {
 		FileKey loc = FileKey.exact(db.getDirectory(), db.getFS());
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository d2 = RepositoryCache.open(loc);
 		assertEquals(1, d2.useCnt.get());
 		RepositoryCache.open(FileKey.exact(loc.getFile(), db.getFS()));
@@ -189,6 +192,7 @@
 	@Test
 	public void testRepositoryUsageCountWithRegisteredRepository()
 			throws IOException {
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository repo = createRepository(false, false);
 		assertEquals(1, repo.useCnt.get());
 		RepositoryCache.register(repo);
@@ -200,6 +204,7 @@
 	@Test
 	public void testRepositoryNotUnregisteringWhenClosing() throws Exception {
 		FileKey loc = FileKey.exact(db.getDirectory(), db.getFS());
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository d2 = RepositoryCache.open(loc);
 		assertEquals(1, d2.useCnt.get());
 		assertThat(RepositoryCache.getRegisteredKeys(),
@@ -214,6 +219,7 @@
 	@Test
 	public void testRepositoryUnregisteringWhenExpiredAndUsageCountNegative()
 			throws Exception {
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository repoA = createBareRepository();
 		RepositoryCache.register(repoA);
 
@@ -234,7 +240,9 @@
 
 	@Test
 	public void testRepositoryUnregisteringWhenExpired() throws Exception {
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository repoA = createRepository(true, false);
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository repoB = createRepository(true, false);
 		Repository repoC = createBareRepository();
 		RepositoryCache.register(repoA);
@@ -268,6 +276,7 @@
 
 	@Test
 	public void testReconfigure() throws InterruptedException, IOException {
+		@SuppressWarnings("resource") // We are testing the close() method
 		Repository repo = createRepository(false, false);
 		RepositoryCache.register(repo);
 		assertTrue(RepositoryCache.isCached(repo));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryResolveTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryResolveTest.java
index 1d2a4e9..05b78ea 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryResolveTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/RepositoryResolveTest.java
@@ -324,6 +324,8 @@
 		assertFalse(Repository.isValidRefName("x/a\\b"));
 		assertFalse(Repository.isValidRefName("x/a\u0000"));
 
+		db.resolve("x/a@");
+
 		assertUnparseable(".");
 		assertUnparseable("x@{3");
 		assertUnparseable("x[b");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/SquashCommitMsgTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/SquashCommitMsgTest.java
index 3bcd787..203c00e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/SquashCommitMsgTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/SquashCommitMsgTest.java
@@ -66,12 +66,9 @@
 		db.writeSquashCommitMsg(null);
 		assertEquals(db.readSquashCommitMsg(), null);
 		assertFalse(new File(db.getDirectory(), Constants.SQUASH_MSG).exists());
-		FileOutputStream fos = new FileOutputStream(new File(db.getDirectory(),
-				Constants.SQUASH_MSG));
-		try {
+		try (FileOutputStream fos = new FileOutputStream(
+				new File(db.getDirectory(), Constants.SQUASH_MSG))) {
 			fos.write(squashMsg.getBytes(Constants.CHARACTER_ENCODING));
-		} finally {
-			fos.close();
 		}
 		assertEquals(db.readSquashCommitMsg(), squashMsg);
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ValidRefNameTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ValidRefNameTest.java
index d431a89..87e901f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ValidRefNameTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/lib/ValidRefNameTest.java
@@ -51,7 +51,7 @@
 import org.junit.Test;
 
 public class ValidRefNameTest {
-	private static void assertValid(final boolean exp, final String name) {
+	private static void assertValid(boolean exp, String name) {
 		SystemReader instance = SystemReader.getInstance();
 		try {
 			setUnixSystemReader();
@@ -81,7 +81,7 @@
 		});
 	}
 
-	private static void assertInvalidOnWindows(final String name) {
+	private static void assertInvalidOnWindows(String name) {
 		SystemReader instance = SystemReader.getInstance();
 		try {
 			setUnixSystemReader();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CherryPickTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CherryPickTest.java
index 4948b37..19f6dcb 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CherryPickTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CherryPickTest.java
@@ -183,7 +183,7 @@
 		assertFalse(tw.next());
 	}
 
-	private static void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
+	private static void assertCorrectId(DirCache treeT, TreeWalk tw) {
 		assertEquals(treeT.getEntry(tw.getPathString()).getObjectId(), tw
 				.getObjectId(0));
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/RecursiveMergerTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CrissCrossMergeTest.java
similarity index 99%
rename from org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/RecursiveMergerTest.java
rename to org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CrissCrossMergeTest.java
index 190224a..aaa08a9 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/RecursiveMergerTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/CrissCrossMergeTest.java
@@ -83,7 +83,7 @@
 import org.junit.runner.RunWith;
 
 @RunWith(Theories.class)
-public class RecursiveMergerTest extends RepositoryTestCase {
+public class CrissCrossMergeTest extends RepositoryTestCase {
 	static int counter = 0;
 
 	@DataPoints
@@ -783,7 +783,7 @@
 		}
 	}
 
-	private void setIndex(final ObjectId id, String path)
+	private void setIndex(ObjectId id, String path)
 			throws MissingObjectException, IOException {
 		DirCache lockedDircache;
 		DirCacheEditor dcedit;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/ResolveMergerTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/MergerTest.java
similarity index 97%
rename from org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/ResolveMergerTest.java
rename to org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/MergerTest.java
index 9322a47..58093a3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/ResolveMergerTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/MergerTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.merge;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -91,19 +91,17 @@
 import org.eclipse.jgit.util.FS;
 import org.eclipse.jgit.util.FileUtils;
 import org.junit.Assert;
-import org.junit.experimental.theories.DataPoint;
+import org.junit.experimental.theories.DataPoints;
 import org.junit.experimental.theories.Theories;
 import org.junit.experimental.theories.Theory;
 import org.junit.runner.RunWith;
 
 @RunWith(Theories.class)
-public class ResolveMergerTest extends RepositoryTestCase {
+public class MergerTest extends RepositoryTestCase {
 
-	@DataPoint
-	public static MergeStrategy resolve = MergeStrategy.RESOLVE;
-
-	@DataPoint
-	public static MergeStrategy recursive = MergeStrategy.RECURSIVE;
+	@DataPoints
+	public static MergeStrategy[] strategiesUnderTest = new MergeStrategy[] {
+			MergeStrategy.RECURSIVE, MergeStrategy.RESOLVE };
 
 	@Theory
 	public void failingDeleteOfDirectoryWithUntrackedContent(
@@ -756,7 +754,7 @@
 		}
 		binary[50] = '\0';
 
-		writeTrashFile("file", new String(binary, UTF_8));
+		writeTrashFile("file", new String(binary, CHARSET));
 		git.add().addFilepattern("file").call();
 		RevCommit first = git.commit().setMessage("added file").call();
 
@@ -764,7 +762,7 @@
 		int idx = LINELEN * 1200 + 1;
 		byte save = binary[idx];
 		binary[idx] = '@';
-		writeTrashFile("file", new String(binary, UTF_8));
+		writeTrashFile("file", new String(binary, CHARSET));
 
 		binary[idx] = save;
 		git.add().addFilepattern("file").call();
@@ -773,7 +771,7 @@
 
 		git.checkout().setCreateBranch(true).setStartPoint(first).setName("side").call();
 		binary[LINELEN * 1500 + 1] = '!';
-		writeTrashFile("file", new String(binary, UTF_8));
+		writeTrashFile("file", new String(binary, CHARSET));
 		git.add().addFilepattern("file").call();
 		RevCommit sideCommit = git.commit().setAll(true)
 			.setMessage("modified file l 1500").call();
@@ -935,7 +933,7 @@
 			merger.getMergeResults().get("file");
 			try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
 				fmt.formatMerge(out, merger.getMergeResults().get("file"),
-						"BASE", "OURS", "THEIRS", UTF_8.name());
+						"BASE", "OURS", "THEIRS", CHARSET.name());
 				String expected = "<<<<<<< OURS\n"
 						+ "1master\n"
 						+ "=======\n"
@@ -943,7 +941,7 @@
 						+ ">>>>>>> THEIRS\n"
 						+ "2\n"
 						+ "3";
-				assertEquals(expected, new String(out.toByteArray(), UTF_8));
+				assertEquals(expected, new String(out.toByteArray(), CHARSET));
 			}
 		}
 	}
@@ -1033,19 +1031,21 @@
 		git.commit().setMessage("added c.txt").call();
 
 		// Get a handle to the the file so on windows it can't be deleted.
-		FileInputStream fis = new FileInputStream(new File(db.getWorkTree(),
-				"b.txt"));
-		MergeResult mergeRes = git.merge().setStrategy(strategy)
-				.include(masterCommit).call();
-		if (mergeRes.getMergeStatus().equals(MergeStatus.FAILED)) {
-			// probably windows
-			assertEquals(1, mergeRes.getFailingPaths().size());
-			assertEquals(MergeFailureReason.COULD_NOT_DELETE, mergeRes
-					.getFailingPaths().get("b.txt"));
+		try (FileInputStream fis = new FileInputStream(
+				new File(db.getWorkTree(), "b.txt"))) {
+			MergeResult mergeRes = git.merge().setStrategy(strategy)
+					.include(masterCommit).call();
+			if (mergeRes.getMergeStatus().equals(MergeStatus.FAILED)) {
+				// probably windows
+				assertEquals(1, mergeRes.getFailingPaths().size());
+				assertEquals(MergeFailureReason.COULD_NOT_DELETE,
+						mergeRes.getFailingPaths().get("b.txt"));
+			}
+			assertEquals(
+					"[a.txt, mode:100644, content:master]"
+							+ "[c.txt, mode:100644, content:side]",
+					indexState(CONTENT));
 		}
-		assertEquals("[a.txt, mode:100644, content:master]"
-				+ "[c.txt, mode:100644, content:side]", indexState(CONTENT));
-		fis.close();
 	}
 
 	@Theory
@@ -1328,6 +1328,6 @@
 		if (obj == null) {
 			return null;
 		}
-		return new String(rw.getObjectReader().open(obj, OBJ_BLOB).getBytes(), UTF_8);
+		return new String(rw.getObjectReader().open(obj, OBJ_BLOB).getBytes(), CHARSET);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/SimpleMergeTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/SimpleMergeTest.java
index 951568e..dd2c2e8 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/SimpleMergeTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/merge/SimpleMergeTest.java
@@ -403,7 +403,7 @@
 		assertFalse(merge);
 	}
 
-	private static void assertCorrectId(final DirCache treeT, final TreeWalk tw) {
+	private static void assertCorrectId(DirCache treeT, TreeWalk tw) {
 		assertEquals(treeT.getEntry(tw.getPathString()).getObjectId(), tw
 				.getObjectId(0));
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/EditListTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/EditListTest.java
index 6027aff..6c107f9 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/EditListTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/EditListTest.java
@@ -89,7 +89,7 @@
 		assertEquals(new Edit(23 - 1, 25 - 1, 22 - 1, 28 - 1), e.get(2));
 	}
 
-	private Patch parseTestPatchFile(final String patchFile) throws IOException {
+	private Patch parseTestPatchFile(String patchFile) throws IOException {
 		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
 			if (in == null) {
 				fail("No " + patchFile + " test vector");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java
index 7b4e014..24fbda1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/FileHeaderTest.java
@@ -433,30 +433,30 @@
 		assertTrue(ObjectId.fromString(nid).startsWith(fh.getNewId()));
 	}
 
-	private static void assertParse(final FileHeader fh) {
+	private static void assertParse(FileHeader fh) {
 		int ptr = fh.parseGitFileName(0, fh.buf.length);
 		assertTrue(ptr > 0);
 		ptr = fh.parseGitHeaders(ptr, fh.buf.length);
 		assertTrue(ptr > 0);
 	}
 
-	private static FileHeader data(final String in) {
+	private static FileHeader data(String in) {
 		return new FileHeader(Constants.encodeASCII(in), 0);
 	}
 
-	private static FileHeader header(final String path) {
+	private static FileHeader header(String path) {
 		return data(gitLine(path) + "--- " + path + "\n");
 	}
 
-	private static String gitLine(final String path) {
+	private static String gitLine(String path) {
 		return "a/" + path + " b/" + path + "\n";
 	}
 
-	private static FileHeader dqHeader(final String path) {
+	private static FileHeader dqHeader(String path) {
 		return data(dqGitLine(path) + "--- " + path + "\n");
 	}
 
-	private static String dqGitLine(final String path) {
+	private static String dqGitLine(String path) {
 		return "\"a/" + path + "\" \"b/" + path + "\"\n";
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/GetTextTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/GetTextTest.java
index 65375c7..7b5868a 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/GetTextTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/GetTextTest.java
@@ -44,7 +44,7 @@
 package org.eclipse.jgit.patch;
 
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -83,7 +83,7 @@
 	@Test
 	public void testGetText_Convert() throws IOException {
 		final Charset csOld = ISO_8859_1;
-		final Charset csNew = UTF_8;
+		final Charset csNew = CHARSET;
 		final Patch p = parseTestPatchFile();
 		assertTrue(p.getErrors().isEmpty());
 		assertEquals(1, p.getFiles().size());
@@ -103,7 +103,7 @@
 	@Test
 	public void testGetText_DiffCc() throws IOException {
 		final Charset csOld = ISO_8859_1;
-		final Charset csNew = UTF_8;
+		final Charset csNew = CHARSET;
 		final Patch p = parseTestPatchFile();
 		assertTrue(p.getErrors().isEmpty());
 		assertEquals(1, p.getFiles().size());
@@ -134,7 +134,7 @@
 		}
 	}
 
-	private String readTestPatchFile(final Charset cs) throws IOException {
+	private String readTestPatchFile(Charset cs) throws IOException {
 		final String patchFile = JGitTestUtil.getName() + ".patch";
 		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
 			if (in == null) {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcErrorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcErrorTest.java
index e4b4317..6989343 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcErrorTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcErrorTest.java
@@ -96,17 +96,14 @@
 
 	private Patch parseTestPatchFile() throws IOException {
 		final String patchFile = JGitTestUtil.getName() + ".patch";
-		final InputStream in = getClass().getResourceAsStream(patchFile);
-		if (in == null) {
-			fail("No " + patchFile + " test vector");
-			return null; // Never happens
-		}
-		try {
+		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
+			if (in == null) {
+				fail("No " + patchFile + " test vector");
+				return null; // Never happens
+			}
 			final Patch p = new Patch();
 			p.parse(in);
 			return p;
-		} finally {
-			in.close();
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcTest.java
index 837414b..4a26d50 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchCcTest.java
@@ -199,17 +199,14 @@
 
 	private Patch parseTestPatchFile() throws IOException {
 		final String patchFile = JGitTestUtil.getName() + ".patch";
-		final InputStream in = getClass().getResourceAsStream(patchFile);
-		if (in == null) {
-			fail("No " + patchFile + " test vector");
-			return null; // Never happens
-		}
-		try {
+		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
+			if (in == null) {
+				fail("No " + patchFile + " test vector");
+				return null; // Never happens
+			}
 			final Patch p = new Patch();
 			p.parse(in);
 			return p;
-		} finally {
-			in.close();
 		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchErrorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchErrorTest.java
index 52e3874..3bdf852 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchErrorTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchErrorTest.java
@@ -177,17 +177,14 @@
 
 	private Patch parseTestPatchFile() throws IOException {
 		final String patchFile = JGitTestUtil.getName() + ".patch";
-		final InputStream in = getClass().getResourceAsStream(patchFile);
-		if (in == null) {
-			fail("No " + patchFile + " test vector");
-			return null; // Never happens
-		}
-		try {
+		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
+			if (in == null) {
+				fail("No " + patchFile + " test vector");
+				return null; // Never happens
+			}
 			final Patch p = new Patch();
 			p.parse(in);
 			return p;
-		} finally {
-			in.close();
 		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchTest.java
index 9f57ab9..6a09a49 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/patch/PatchTest.java
@@ -357,17 +357,14 @@
 
 	private Patch parseTestPatchFile() throws IOException {
 		final String patchFile = JGitTestUtil.getName() + ".patch";
-		final InputStream in = getClass().getResourceAsStream(patchFile);
-		if (in == null) {
-			fail("No " + patchFile + " test vector");
-			return null; // Never happens
-		}
-		try {
+		try (InputStream in = getClass().getResourceAsStream(patchFile)) {
+			if (in == null) {
+				fail("No " + patchFile + " test vector");
+				return null; // Never happens
+			}
 			final Patch p = new Patch();
 			p.parse(in);
 			return p;
-		} finally {
-			in.close();
 		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/FooterLineTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/FooterLineTest.java
index 87c8547..ad8327f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/FooterLineTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/FooterLineTest.java
@@ -353,7 +353,7 @@
 		assertFalse("not CC", line.matches(FooterKey.CC));
 	}
 
-	private RevCommit parse(final String msg) throws IOException {
+	private RevCommit parse(String msg) throws IOException {
 		final StringBuilder buf = new StringBuilder();
 		buf.append("tree " + ObjectId.zeroId().name() + "\n");
 		buf.append("author A. U. Thor <a@example.com> 1 +0000\n");
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitParseTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitParseTest.java
index 88f240b..cfefac3 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitParseTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevCommitParseTest.java
@@ -44,7 +44,7 @@
 package org.eclipse.jgit.revwalk;
 
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -114,7 +114,7 @@
 		assertNull(c.getTree());
 		assertNull(c.parents);
 
-		c.parseCanonical(rw, body.toString().getBytes(UTF_8));
+		c.parseCanonical(rw, body.toString().getBytes(CHARSET));
 		assertNotNull(c.getTree());
 		assertEquals(treeId, c.getTree().getId());
 		assertSame(rw.lookupTree(treeId), c.getTree());
@@ -138,7 +138,7 @@
 		assertEquals(TimeZone.getTimeZone("GMT" + committerTimeZone), cCommitter.getTimeZone());
 	}
 
-	private RevCommit create(final String msg) throws Exception {
+	private RevCommit create(String msg) throws Exception {
 		final StringBuilder b = new StringBuilder();
 		b.append("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n");
 		b.append("author A U. Thor <a_u_thor@example.com> 1218123387 +0700\n");
@@ -148,7 +148,7 @@
 
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
-		c.parseCanonical(new RevWalk(db), b.toString().getBytes(UTF_8));
+		c.parseCanonical(new RevWalk(db), b.toString().getBytes(CHARSET));
 		return c;
 	}
 
@@ -161,7 +161,7 @@
 
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
-		c.parseCanonical(new RevWalk(db), b.toString().getBytes(UTF_8));
+		c.parseCanonical(new RevWalk(db), b.toString().getBytes(CHARSET));
 
 		assertEquals("", c.getFullMessage());
 		assertEquals("", c.getShortMessage());
@@ -176,7 +176,7 @@
 
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
-		c.parseCanonical(new RevWalk(db), b.toString().getBytes(UTF_8));
+		c.parseCanonical(new RevWalk(db), b.toString().getBytes(CHARSET));
 
 		assertEquals(new PersonIdent("", "a_u_thor@example.com", 1218123387000l, 7), c.getAuthorIdent());
 		assertEquals(new PersonIdent("", "", 1218123390000l, -5), c.getCommitterIdent());
@@ -185,13 +185,13 @@
 	@Test
 	public void testParse_implicit_UTF8_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67")); // bogus id
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -205,13 +205,13 @@
 	@Test
 	public void testParse_implicit_mixed_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
 		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(ISO_8859_1));
-		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
+		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67")); // bogus id
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -260,14 +260,14 @@
 	@Test
 	public void testParse_explicit_bad_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
 		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(ISO_8859_1));
-		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("encoding EUC-JP\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Hi\n".getBytes(UTF_8));
+		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("encoding EUC-JP\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Hi\n".getBytes(CHARSET));
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67")); // bogus id
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -291,14 +291,14 @@
 	@Test
 	public void testParse_explicit_bad_encoded2() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("encoding ISO-8859-1\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Hi\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("author F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("committer C O. Miter <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("encoding ISO-8859-1\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Hi\n".getBytes(CHARSET));
 		final RevCommit c;
 		c = new RevCommit(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67")); // bogus id
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -313,13 +313,13 @@
 	public void testParse_incorrectUtf8Name() throws Exception {
 		ByteArrayOutputStream b = new ByteArrayOutputStream();
 		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
-				.getBytes(UTF_8));
-		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(CHARSET));
 		b.write("committer co <c@example.com> 1218123390 -0500\n"
-				.getBytes(UTF_8));
-		b.write("encoding 'utf8'\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("encoding 'utf8'\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(CHARSET));
 
 		RevCommit c = new RevCommit(
 				id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
@@ -338,12 +338,12 @@
 	@Test
 	public void testParse_illegalEncoding() throws Exception {
 		ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("committer co <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("encoding utf-8logoutputencoding=gbk\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("message\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("committer co <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("encoding utf-8logoutputencoding=gbk\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("message\n".getBytes(CHARSET));
 
 		RevCommit c = new RevCommit(
 				id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
@@ -365,12 +365,12 @@
 	@Test
 	public void testParse_unsupportedEncoding() throws Exception {
 		ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("committer co <c@example.com> 1218123390 -0500\n".getBytes(UTF_8));
-		b.write("encoding it_IT.UTF8\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("message\n".getBytes(UTF_8));
+		b.write("tree 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("author au <a@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("committer co <c@example.com> 1218123390 -0500\n".getBytes(CHARSET));
+		b.write("encoding it_IT.UTF8\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("message\n".getBytes(CHARSET));
 
 		RevCommit c = new RevCommit(
 				id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
@@ -483,7 +483,7 @@
 		assertEquals(shortMsg, c.getShortMessage());
 	}
 
-	private static ObjectId id(final String str) {
+	private static ObjectId id(String str) {
 		return ObjectId.fromString(str);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevObjectTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevObjectTest.java
index 122a397..8e389ae 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevObjectTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevObjectTest.java
@@ -76,7 +76,7 @@
 
 		final RevCommit a2;
 		final RevCommit b2;
-		try (final RevWalk rw2 = new RevWalk(db)) {
+		try (RevWalk rw2 = new RevWalk(db)) {
 			a2 = rw2.parseCommit(a1);
 			b2 = rw2.parseCommit(b1);
 		}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevTagParseTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevTagParseTest.java
index 38bd371..e11cef7 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevTagParseTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevTagParseTest.java
@@ -44,7 +44,7 @@
 package org.eclipse.jgit.revwalk;
 
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ -82,7 +82,7 @@
 		testOneType(Constants.OBJ_TAG);
 	}
 
-	private void testOneType(final int typeCode) throws Exception {
+	private void testOneType(int typeCode) throws Exception {
 		final ObjectId id = id("9788669ad918b6fcce64af8882fc9a81cb6aba67");
 		final StringBuilder b = new StringBuilder();
 		b.append("object " + id.name() + "\n");
@@ -98,7 +98,7 @@
 		assertNull(c.getObject());
 		assertNull(c.getTagName());
 
-		c.parseCanonical(rw, b.toString().getBytes(UTF_8));
+		c.parseCanonical(rw, b.toString().getBytes(CHARSET));
 		assertNotNull(c.getObject());
 		assertEquals(id, c.getObject().getId());
 		assertSame(rw.lookupAny(id, typeCode), c.getObject());
@@ -141,7 +141,7 @@
 		assertNull(c.getObject());
 		assertNull(c.getTagName());
 
-		c.parseCanonical(rw, body.toString().getBytes(UTF_8));
+		c.parseCanonical(rw, body.toString().getBytes(CHARSET));
 		assertNotNull(c.getObject());
 		assertEquals(treeId, c.getObject().getId());
 		assertSame(rw.lookupTree(treeId), c.getObject());
@@ -189,7 +189,7 @@
 		assertNull(c.getObject());
 		assertNull(c.getTagName());
 
-		c.parseCanonical(rw, body.toString().getBytes(UTF_8));
+		c.parseCanonical(rw, body.toString().getBytes(CHARSET));
 		assertNotNull(c.getObject());
 		assertEquals(treeId, c.getObject().getId());
 		assertSame(rw.lookupTree(treeId), c.getObject());
@@ -202,7 +202,7 @@
 		assertNull(c.getTaggerIdent());
 	}
 
-	private RevTag create(final String msg) throws Exception {
+	private RevTag create(String msg) throws Exception {
 		final StringBuilder b = new StringBuilder();
 		b.append("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n");
 		b.append("type tree\n");
@@ -213,7 +213,7 @@
 
 		final RevTag c;
 		c = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
-		c.parseCanonical(new RevWalk(db), b.toString().getBytes(UTF_8));
+		c.parseCanonical(new RevWalk(db), b.toString().getBytes(CHARSET));
 		return c;
 	}
 
@@ -221,17 +221,17 @@
 	public void testParse_implicit_UTF8_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
 		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
-				.getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.2.3.4.5\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.2.3.4.5\n".getBytes(CHARSET));
 
 		b
 				.write("tagger F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n"
-						.getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
+						.getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
 		final RevTag c;
 		c = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -246,15 +246,15 @@
 	public void testParse_implicit_mixed_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
 		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
-				.getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.2.3.4.5\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.2.3.4.5\n".getBytes(CHARSET));
 		b.write("tagger F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n"
 				.getBytes(ISO_8859_1));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Sm\u00f6rg\u00e5sbord\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
 		final RevTag c;
 		c = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -307,17 +307,17 @@
 	public void testParse_explicit_bad_encoded() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
 		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
-				.getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.2.3.4.5\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.2.3.4.5\n".getBytes(CHARSET));
 		b
 				.write("tagger F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n"
 						.getBytes(ISO_8859_1));
-		b.write("encoding EUC-JP\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Hi\n".getBytes(UTF_8));
+		b.write("encoding EUC-JP\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Hi\n".getBytes(CHARSET));
 		final RevTag c;
 		c = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -342,17 +342,17 @@
 	public void testParse_explicit_bad_encoded2() throws Exception {
 		final ByteArrayOutputStream b = new ByteArrayOutputStream();
 		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n"
-				.getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.2.3.4.5\n".getBytes(UTF_8));
+				.getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.2.3.4.5\n".getBytes(CHARSET));
 		b
 				.write("tagger F\u00f6r fattare <a_u_thor@example.com> 1218123387 +0700\n"
-						.getBytes(UTF_8));
-		b.write("encoding ISO-8859-1\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("\u304d\u308c\u3044\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("Hi\n".getBytes(UTF_8));
+						.getBytes(CHARSET));
+		b.write("encoding ISO-8859-1\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("\u304d\u308c\u3044\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("Hi\n".getBytes(CHARSET));
 		final RevTag c;
 		c = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		c.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -365,13 +365,13 @@
 	@Test
 	public void testParse_illegalEncoding() throws Exception {
 		ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.0\n".getBytes(UTF_8));
-		b.write("tagger t <t@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("encoding utf-8logoutputencoding=gbk\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("message\n".getBytes(UTF_8));
+		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.0\n".getBytes(CHARSET));
+		b.write("tagger t <t@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("encoding utf-8logoutputencoding=gbk\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("message\n".getBytes(CHARSET));
 
 		RevTag t = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		t.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -384,13 +384,13 @@
 	@Test
 	public void testParse_unsupportedEncoding() throws Exception {
 		ByteArrayOutputStream b = new ByteArrayOutputStream();
-		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(UTF_8));
-		b.write("type tree\n".getBytes(UTF_8));
-		b.write("tag v1.0\n".getBytes(UTF_8));
-		b.write("tagger t <t@example.com> 1218123387 +0700\n".getBytes(UTF_8));
-		b.write("encoding it_IT.UTF8\n".getBytes(UTF_8));
-		b.write("\n".getBytes(UTF_8));
-		b.write("message\n".getBytes(UTF_8));
+		b.write("object 9788669ad918b6fcce64af8882fc9a81cb6aba67\n".getBytes(CHARSET));
+		b.write("type tree\n".getBytes(CHARSET));
+		b.write("tag v1.0\n".getBytes(CHARSET));
+		b.write("tagger t <t@example.com> 1218123387 +0700\n".getBytes(CHARSET));
+		b.write("encoding it_IT.UTF8\n".getBytes(CHARSET));
+		b.write("\n".getBytes(CHARSET));
+		b.write("message\n".getBytes(CHARSET));
 
 		RevTag t = new RevTag(id("9473095c4cb2f12aefe1db8a355fe3fafba42f67"));
 		t.parseCanonical(new RevWalk(db), b.toByteArray());
@@ -480,7 +480,7 @@
 		assertEquals(src.getMessage(), p.getFullMessage());
 	}
 
-	private static ObjectId id(final String str) {
+	private static ObjectId id(String str) {
 		return ObjectId.fromString(str);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkFollowFilterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkFollowFilterTest.java
index ab2705c..7005027 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkFollowFilterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkFollowFilterTest.java
@@ -75,7 +75,7 @@
 		diffCollector = new DiffCollector();
 	}
 
-	protected FollowFilter follow(final String followPath) {
+	protected FollowFilter follow(String followPath) {
 		FollowFilter followFilter =
 			FollowFilter.create(followPath, new Config().get(DiffConfig.KEY));
 		followFilter.setRenameCallback(diffCollector);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter1Test.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter1Test.java
index 6ec529c..b55a45a 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter1Test.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter1Test.java
@@ -54,7 +54,7 @@
 import org.junit.Test;
 
 public class RevWalkPathFilter1Test extends RevWalkTestCase {
-	protected void filter(final String path) {
+	protected void filter(String path) {
 		rw.setTreeFilter(AndTreeFilter.create(PathFilterGroup
 				.createFromStrings(Collections.singleton(path)),
 				TreeFilter.ANY_DIFF));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter6012Test.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter6012Test.java
index 631e395..cef5521 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter6012Test.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkPathFilter6012Test.java
@@ -102,17 +102,17 @@
 		}
 	}
 
-	protected void check(final RevCommit... order) throws Exception {
+	protected void check(RevCommit... order) throws Exception {
 		markStart(i);
 		final StringBuilder act = new StringBuilder();
-		for (final RevCommit z : rw) {
+		for (RevCommit z : rw) {
 			final String name = byName.get(z);
 			assertNotNull(name);
 			act.append(name);
 			act.append(' ');
 		}
 		final StringBuilder exp = new StringBuilder();
-		for (final RevCommit z : order) {
+		for (RevCommit z : order) {
 			final String name = byName.get(z);
 			assertNotNull(name);
 			exp.append(name);
@@ -121,7 +121,7 @@
 		assertEquals(exp.toString(), act.toString());
 	}
 
-	protected void filter(final String path) {
+	protected void filter(String path) {
 		rw.setTreeFilter(AndTreeFilter.create(PathFilterGroup
 				.createFromStrings(Collections.singleton(path)),
 				TreeFilter.ANY_DIFF));
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkTestCase.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkTestCase.java
index f12cc08..5443982 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkTestCase.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkTestCase.java
@@ -74,38 +74,38 @@
 		return util.getDate();
 	}
 
-	protected void tick(final int secDelta) {
+	protected void tick(int secDelta) {
 		util.tick(secDelta);
 	}
 
-	protected RevBlob blob(final String content) throws Exception {
+	protected RevBlob blob(String content) throws Exception {
 		return util.blob(content);
 	}
 
-	protected DirCacheEntry file(final String path, final RevBlob blob)
+	protected DirCacheEntry file(String path, RevBlob blob)
 			throws Exception {
 		return util.file(path, blob);
 	}
 
-	protected RevTree tree(final DirCacheEntry... entries) throws Exception {
+	protected RevTree tree(DirCacheEntry... entries) throws Exception {
 		return util.tree(entries);
 	}
 
-	protected RevObject get(final RevTree tree, final String path)
+	protected RevObject get(RevTree tree, String path)
 			throws Exception {
 		return util.get(tree, path);
 	}
 
-	protected RevCommit commit(final RevCommit... parents) throws Exception {
+	protected RevCommit commit(RevCommit... parents) throws Exception {
 		return util.commit(parents);
 	}
 
-	protected RevCommit commit(final RevTree tree, final RevCommit... parents)
+	protected RevCommit commit(RevTree tree, RevCommit... parents)
 			throws Exception {
 		return util.commit(tree, parents);
 	}
 
-	protected RevCommit commit(final int secDelta, final RevCommit... parents)
+	protected RevCommit commit(int secDelta, RevCommit... parents)
 			throws Exception {
 		return util.commit(secDelta, parents);
 	}
@@ -115,7 +115,7 @@
 		return util.commit(secDelta, tree, parents);
 	}
 
-	protected RevTag tag(final String name, final RevObject dst)
+	protected RevTag tag(String name, RevObject dst)
 			throws Exception {
 		return util.tag(name, dst);
 	}
@@ -125,19 +125,19 @@
 		return util.commit();
 	}
 
-	protected <T extends RevObject> T parseBody(final T t) throws Exception {
+	protected <T extends RevObject> T parseBody(T t) throws Exception {
 		return util.parseBody(t);
 	}
 
-	protected void markStart(final RevCommit commit) throws Exception {
+	protected void markStart(RevCommit commit) throws Exception {
 		rw.markStart(commit);
 	}
 
-	protected void markUninteresting(final RevCommit commit) throws Exception {
+	protected void markUninteresting(RevCommit commit) throws Exception {
 		rw.markUninteresting(commit);
 	}
 
-	protected void assertCommit(final RevCommit exp, final RevCommit act) {
+	protected void assertCommit(RevCommit exp, RevCommit act) {
 		assertSame(exp, act);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkUtilsReachableTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkUtilsReachableTest.java
index 10bea0a..a26ae10 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkUtilsReachableTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/revwalk/RevWalkUtilsReachableTest.java
@@ -109,7 +109,7 @@
 		}
 	}
 
-	private Ref branch(final String name, final RevCommit dst) throws Exception {
+	private Ref branch(String name, RevCommit dst) throws Exception {
 		return Git.wrap(db).branchCreate().setName(name)
 				.setStartPoint(dst.name()).call();
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/FileBasedConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/FileBasedConfigTest.java
index 7f0d602..0dea5ce 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/FileBasedConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/storage/file/FileBasedConfigTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.storage.file;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.util.FileUtils.pathToString;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
@@ -105,7 +105,7 @@
 
 	@Test
 	public void testUTF8withoutBOM() throws IOException, ConfigInvalidException {
-		final File file = createFile(CONTENT1.getBytes(UTF_8));
+		final File file = createFile(CONTENT1.getBytes(CHARSET));
 		final FileBasedConfig config = new FileBasedConfig(file, FS.DETECTED);
 		config.load();
 		assertEquals(ALICE, config.getString(USER, null, NAME));
@@ -121,7 +121,7 @@
 		bos1.write(0xEF);
 		bos1.write(0xBB);
 		bos1.write(0xBF);
-		bos1.write(CONTENT1.getBytes(UTF_8));
+		bos1.write(CONTENT1.getBytes(CHARSET));
 
 		final File file = createFile(bos1.toByteArray());
 		final FileBasedConfig config = new FileBasedConfig(file, FS.DETECTED);
@@ -135,7 +135,7 @@
 		bos2.write(0xEF);
 		bos2.write(0xBB);
 		bos2.write(0xBF);
-		bos2.write(CONTENT2.getBytes(UTF_8));
+		bos2.write(CONTENT2.getBytes(CHARSET));
 		assertArrayEquals(bos2.toByteArray(), IO.readFully(file));
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleAddTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleAddTest.java
index 93f4709..5780973 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleAddTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleAddTest.java
@@ -129,10 +129,11 @@
 			command.setPath(path);
 			String uri = db.getDirectory().toURI().toString();
 			command.setURI(uri);
-			Repository repo = command.call();
-			assertNotNull(repo);
-			ObjectId subCommit = repo.resolve(Constants.HEAD);
-			repo.close();
+			ObjectId subCommit;
+			try (Repository repo = command.call()) {
+				assertNotNull(repo);
+				subCommit = repo.resolve(Constants.HEAD);
+			}
 
 			SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
 			assertTrue(generator.next());
@@ -141,10 +142,10 @@
 			assertEquals(uri, generator.getModulesUrl());
 			assertEquals(path, generator.getModulesPath());
 			assertEquals(uri, generator.getConfigUrl());
-			Repository subModRepo = generator.getRepository();
-			assertNotNull(subModRepo);
-			assertEquals(subCommit, commit);
-			subModRepo.close();
+			try (Repository subModRepo = generator.getRepository()) {
+				assertNotNull(subModRepo);
+				assertEquals(subCommit, commit);
+			}
 
 			Status status = Git.wrap(db).status().call();
 			assertTrue(status.getAdded().contains(Constants.DOT_GIT_MODULES));
@@ -240,16 +241,14 @@
 				fullUri = fullUri.replace('\\', '/');
 			}
 			assertEquals(fullUri, generator.getConfigUrl());
-			Repository subModRepo = generator.getRepository();
-			assertNotNull(subModRepo);
-			assertEquals(
-					fullUri,
-					subModRepo
-							.getConfig()
-							.getString(ConfigConstants.CONFIG_REMOTE_SECTION,
-									Constants.DEFAULT_REMOTE_NAME,
-									ConfigConstants.CONFIG_KEY_URL));
-			subModRepo.close();
+			try (Repository subModRepo = generator.getRepository()) {
+				assertNotNull(subModRepo);
+				assertEquals(fullUri,
+						subModRepo.getConfig().getString(
+								ConfigConstants.CONFIG_REMOTE_SECTION,
+								Constants.DEFAULT_REMOTE_NAME,
+								ConfigConstants.CONFIG_KEY_URL));
+			}
 			assertEquals(commit, repo.resolve(Constants.HEAD));
 
 			Status status = Git.wrap(db).status().call();
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleSyncTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleSyncTest.java
index 13db44a..6f3b52f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleSyncTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleSyncTest.java
@@ -135,12 +135,14 @@
 		generator = SubmoduleWalk.forIndex(db);
 		assertTrue(generator.next());
 		assertEquals(url, generator.getConfigUrl());
-		Repository subModRepository = generator.getRepository();
-		StoredConfig submoduleConfig = subModRepository.getConfig();
-		subModRepository.close();
-		assertEquals(url, submoduleConfig.getString(
-				ConfigConstants.CONFIG_REMOTE_SECTION,
-				Constants.DEFAULT_REMOTE_NAME, ConfigConstants.CONFIG_KEY_URL));
+		try (Repository subModRepository = generator.getRepository()) {
+			StoredConfig submoduleConfig = subModRepository.getConfig();
+			assertEquals(url,
+					submoduleConfig.getString(
+							ConfigConstants.CONFIG_REMOTE_SECTION,
+							Constants.DEFAULT_REMOTE_NAME,
+							ConfigConstants.CONFIG_KEY_URL));
+		}
 	}
 
 	@Test
@@ -208,11 +210,13 @@
 		generator = SubmoduleWalk.forIndex(db);
 		assertTrue(generator.next());
 		assertEquals("git://server/sub.git", generator.getConfigUrl());
-		Repository subModRepository1 = generator.getRepository();
-		StoredConfig submoduleConfig = subModRepository1.getConfig();
-		subModRepository1.close();
-		assertEquals("git://server/sub.git", submoduleConfig.getString(
-				ConfigConstants.CONFIG_REMOTE_SECTION,
-				Constants.DEFAULT_REMOTE_NAME, ConfigConstants.CONFIG_KEY_URL));
+		try (Repository subModRepository1 = generator.getRepository()) {
+			StoredConfig submoduleConfig = subModRepository1.getConfig();
+			assertEquals("git://server/sub.git",
+					submoduleConfig.getString(
+							ConfigConstants.CONFIG_REMOTE_SECTION,
+							Constants.DEFAULT_REMOTE_NAME,
+							ConfigConstants.CONFIG_KEY_URL));
+		}
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleUpdateTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleUpdateTest.java
index 7064f60..bbce413 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleUpdateTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/submodule/SubmoduleUpdateTest.java
@@ -121,10 +121,10 @@
 
 		SubmoduleWalk generator = SubmoduleWalk.forIndex(db);
 		assertTrue(generator.next());
-		Repository subRepo = generator.getRepository();
-		assertNotNull(subRepo);
-		assertEquals(commit, subRepo.resolve(Constants.HEAD));
-		subRepo.close();
+		try (Repository subRepo = generator.getRepository()) {
+			assertNotNull(subRepo);
+			assertEquals(commit, subRepo.resolve(Constants.HEAD));
+		}
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
index 658b971..d30ac84 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/BundleWriterTest.java
@@ -45,7 +45,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
@@ -199,7 +199,7 @@
 			Ref ref = repo.exactRef(refName);
 			assertNotNull(ref);
 			assertEquals(id, ref.getObjectId());
-			assertEquals(data, new String(repo.open(id, OBJ_BLOB).getBytes(), UTF_8));
+			assertEquals(data, new String(repo.open(id, OBJ_BLOB).getBytes(), CHARSET));
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/NetRCTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/NetRCTest.java
index 2fea8a9..4e5d56a 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/NetRCTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/NetRCTest.java
@@ -42,6 +42,7 @@
 
 package org.eclipse.jgit.transport;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 
@@ -73,11 +74,11 @@
 		configFile = new File(home, ".netrc");
 	}
 
-	private void config(final String data) throws IOException {
-		final OutputStreamWriter fw = new OutputStreamWriter(
-				new FileOutputStream(configFile), "UTF-8");
-		fw.write(data);
-		fw.close();
+	private void config(String data) throws IOException {
+		try (OutputStreamWriter fw = new OutputStreamWriter(
+				new FileOutputStream(configFile), CHARSET)) {
+			fw.write(data);
+		}
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/OpenSshConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/OpenSshConfigTest.java
index d604751..abf80ec 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/OpenSshConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/OpenSshConfigTest.java
@@ -43,6 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -89,11 +90,11 @@
 		osc = new OpenSshConfig(home, configFile);
 	}
 
-	private void config(final String data) throws IOException {
+	private void config(String data) throws IOException {
 		long lastMtime = configFile.lastModified();
 		do {
 			try (final OutputStreamWriter fw = new OutputStreamWriter(
-					new FileOutputStream(configFile), "UTF-8")) {
+					new FileOutputStream(configFile), CHARSET)) {
 				fw.write(data);
 			}
 		} while (lastMtime == configFile.lastModified());
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PackParserTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PackParserTest.java
index 5d9bdbd..b6d0611 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PackParserTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PackParserTest.java
@@ -93,8 +93,7 @@
 	@Test
 	public void test1() throws  IOException {
 		File packFile = JGitTestUtil.getTestResourceFile("pack-34be9032ac282b11fa9babdc2b2a93ca996c9c2f.pack");
-		final InputStream is = new FileInputStream(packFile);
-		try {
+		try (InputStream is = new FileInputStream(packFile)) {
 			ObjectDirectoryPackParser p = (ObjectDirectoryPackParser) index(is);
 			p.parse(NullProgressMonitor.INSTANCE);
 			PackFile file = p.getPackFile();
@@ -107,8 +106,6 @@
 			assertTrue(file.hasObject(ObjectId.fromString("902d5476fa249b7abc9d84c611577a81381f0327")));
 			assertTrue(file.hasObject(ObjectId.fromString("aabf2ffaec9b497f0950352b3e582d73035c2035")));
 			assertTrue(file.hasObject(ObjectId.fromString("c59759f143fb1fe21c197981df75a7ee00290799")));
-		} finally {
-			is.close();
 		}
 	}
 
@@ -121,8 +118,7 @@
 	@Test
 	public void test2() throws  IOException {
 		File packFile = JGitTestUtil.getTestResourceFile("pack-df2982f284bbabb6bdb59ee3fcc6eb0983e20371.pack");
-		final InputStream is = new FileInputStream(packFile);
-		try {
+		try (InputStream is = new FileInputStream(packFile)) {
 			ObjectDirectoryPackParser p = (ObjectDirectoryPackParser) index(is);
 			p.parse(NullProgressMonitor.INSTANCE);
 			PackFile file = p.getPackFile();
@@ -140,8 +136,6 @@
 			assertTrue(file.hasObject(ObjectId.fromString("20a8ade77639491ea0bd667bf95de8abf3a434c8")));
 			assertTrue(file.hasObject(ObjectId.fromString("2675188fd86978d5bc4d7211698b2118ae3bf658")));
 			// and lots more...
-		} finally {
-			is.close();
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineInTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineInTest.java
index 13fc68d..8b1d860 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineInTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineInTest.java
@@ -116,17 +116,6 @@
 	}
 
 	@Test
-	public void testReadString_Len0001() {
-		init("0001");
-		try {
-			in.readString();
-			fail("incorrectly accepted invalid packet header");
-		} catch (IOException e) {
-			assertEquals("Invalid packet line header: 0001", e.getMessage());
-		}
-	}
-
-	@Test
 	public void testReadString_Len0002() {
 		init("0002");
 		try {
@@ -164,6 +153,13 @@
 		assertEOF();
 	}
 
+	@Test
+	public void testReadString_Delim() throws IOException {
+		init("0001");
+		assertSame(PacketLineIn.DELIM, in.readString());
+		assertEOF();
+	}
+
 	// readStringNoLF
 
 	@Test
@@ -330,7 +326,7 @@
 
 	// test support
 
-	private void init(final String msg) {
+	private void init(String msg) {
 		rawIn = new ByteArrayInputStream(Constants.encodeASCII(msg));
 		in = new PacketLineIn(rawIn);
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineOutTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineOutTest.java
index eca5475..391a701 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineOutTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PacketLineOutTest.java
@@ -113,6 +113,12 @@
 		assertEquals(1, flushCnt[0]);
 	}
 
+	@Test
+	public void testWriteDelim() throws IOException {
+		out.writeDelim();
+		assertBuffer("0001");
+	}
+
 	// writePacket
 
 	@Test
@@ -167,7 +173,7 @@
 		assertEquals(1, flushCnt[0]);
 	}
 
-	private void assertBuffer(final String exp) throws IOException {
+	private void assertBuffer(String exp) throws IOException {
 		assertEquals(exp, new String(rawOut.toByteArray(),
 				Constants.CHARACTER_ENCODING));
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushConnectionTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushConnectionTest.java
index c16c1b2..63478f6 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushConnectionTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushConnectionTest.java
@@ -51,12 +51,16 @@
 
 import java.io.IOException;
 import java.io.StringWriter;
+import java.util.ArrayList;
+import java.util.Collection;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
 import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
+import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.NullProgressMonitor;
 import org.eclipse.jgit.lib.ObjectId;
@@ -76,6 +80,7 @@
 	private Object ctx = new Object();
 	private InMemoryRepository server;
 	private InMemoryRepository client;
+	private List<String> processedRefs;
 	private ObjectId obj1;
 	private ObjectId obj2;
 	private ObjectId obj3;
@@ -85,6 +90,7 @@
 	public void setUp() throws Exception {
 		server = newRepo("server");
 		client = newRepo("client");
+		processedRefs = new ArrayList<>();
 		testProtocol = new TestProtocol<>(
 				null,
 				new ReceivePackFactory<Object>() {
@@ -92,7 +98,18 @@
 					public ReceivePack create(Object req, Repository db)
 							throws ServiceNotEnabledException,
 							ServiceNotAuthorizedException {
-						return new ReceivePack(db);
+						ReceivePack rp = new ReceivePack(db);
+						rp.setPreReceiveHook(
+								new PreReceiveHook() {
+									@Override
+									public void onPreReceive(ReceivePack receivePack,
+											Collection<ReceiveCommand> cmds) {
+										for (ReceiveCommand cmd : cmds) {
+											processedRefs.add(cmd.getRefName());
+										}
+									}
+								});
+						return rp;
 					}
 				});
 		uri = testProtocol.register(ctx, server);
@@ -196,4 +213,45 @@
 			}
 		}
 	}
+
+	@Test
+	public void commandOrder() throws Exception {
+		TestRepository<?> tr = new TestRepository<>(client);
+		List<RemoteRefUpdate> updates = new ArrayList<>();
+		// Arbitrary non-sorted order.
+		for (int i = 9; i >= 0; i--) {
+			String name = "refs/heads/b" + i;
+			tr.branch(name).commit().create();
+			RemoteRefUpdate rru = new RemoteRefUpdate(client, name, name, false, null,
+					ObjectId.zeroId());
+			updates.add(rru);
+		}
+
+		PushResult result;
+		try (Transport tn = testProtocol.open(uri, client, "server")) {
+			result = tn.push(NullProgressMonitor.INSTANCE, updates);
+		}
+
+		for (RemoteRefUpdate remoteUpdate : result.getRemoteUpdates()) {
+			assertEquals(
+					"update should succeed on " + remoteUpdate.getRemoteName(),
+					RemoteRefUpdate.Status.OK, remoteUpdate.getStatus());
+		}
+
+		List<String> expected = remoteRefNames(updates);
+		assertEquals(
+				"ref names processed by ReceivePack should match input ref names in order",
+				expected, processedRefs);
+		assertEquals(
+				"remote ref names should match input ref names in order",
+				expected, remoteRefNames(result.getRemoteUpdates()));
+	}
+
+	private static List<String> remoteRefNames(Collection<RemoteRefUpdate> updates) {
+		List<String> result = new ArrayList<>();
+		for (RemoteRefUpdate u : updates) {
+			result.add(u.getRemoteName());
+		}
+		return result;
+	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushProcessTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushProcessTest.java
index 104a69c..611cd0c 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushProcessTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/PushProcessTest.java
@@ -422,7 +422,7 @@
 			PushConnection {
 		MockPushConnection() {
 			final Map<String, Ref> refsMap = new HashMap<>();
-			for (final Ref r : advertisedRefs)
+			for (Ref r : advertisedRefs)
 				refsMap.put(r.getName(), r);
 			available(refsMap);
 		}
@@ -443,7 +443,7 @@
 		public void push(ProgressMonitor monitor,
 				Map<String, RemoteRefUpdate> refsToUpdate)
 				throws TransportException {
-			for (final RemoteRefUpdate rru : refsToUpdate.values()) {
+			for (RemoteRefUpdate rru : refsToUpdate.values()) {
 				assertEquals(Status.NOT_ATTEMPTED, rru.getStatus());
 				rru.setStatus(connectionUpdateStatus);
 			}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReceivePackAdvertiseRefsHookTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReceivePackAdvertiseRefsHookTest.java
index 3836b7d..0ffbe65 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReceivePackAdvertiseRefsHookTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/ReceivePackAdvertiseRefsHookTest.java
@@ -136,7 +136,7 @@
 		try (TransportLocal t = new TransportLocal(src, uriOf(dst),
 				dst.getDirectory()) {
 			@Override
-			ReceivePack createReceivePack(final Repository db) {
+			ReceivePack createReceivePack(Repository db) {
 				db.close();
 				dst.incrementOpen();
 
@@ -199,6 +199,23 @@
 		assertFalse(haves.get().contains(P));
 	}
 
+	private TransportLocal newTransportLocalWithStrictValidation()
+			throws Exception {
+		return new TransportLocal(src, uriOf(dst), dst.getDirectory()) {
+			@Override
+			ReceivePack createReceivePack(Repository db) {
+				db.close();
+				dst.incrementOpen();
+
+				final ReceivePack rp = super.createReceivePack(dst);
+				rp.setCheckReceivedObjects(true);
+				rp.setCheckReferencedObjectsAreReachable(true);
+				rp.setAdvertiseRefsHook(new HidePrivateHook());
+				return rp;
+			}
+		};
+	}
+
 	@Test
 	public void testSuccess() throws Exception {
 		// Manually force a delta of an object so we reuse it later.
@@ -230,19 +247,7 @@
 
 		// Push this new content to the remote, doing strict validation.
 		//
-		TransportLocal t = new TransportLocal(src, uriOf(dst), dst.getDirectory()) {
-			@Override
-			ReceivePack createReceivePack(final Repository db) {
-				db.close();
-				dst.incrementOpen();
-
-				final ReceivePack rp = super.createReceivePack(dst);
-				rp.setCheckReceivedObjects(true);
-				rp.setCheckReferencedObjectsAreReachable(true);
-				rp.setAdvertiseRefsHook(new HidePrivateHook());
-				return rp;
-			}
-		};
+		PushResult r;
 		RemoteRefUpdate u = new RemoteRefUpdate( //
 				src, //
 				R_MASTER, // src name
@@ -251,12 +256,9 @@
 				null, // local tracking branch
 				null // expected id
 		);
-		PushResult r;
-		try {
+		try (TransportLocal t = newTransportLocalWithStrictValidation()) {
 			t.setPushThin(true);
 			r = t.push(PM, Collections.singleton(u));
-		} finally {
-			t.close();
 		}
 
 		assertNotNull("have result", r);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RemoteConfigTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RemoteConfigTest.java
index a0cf0d2..9aabd71 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RemoteConfigTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/RemoteConfigTest.java
@@ -67,12 +67,12 @@
 		config = new Config();
 	}
 
-	private void readConfig(final String dat) throws ConfigInvalidException {
+	private void readConfig(String dat) throws ConfigInvalidException {
 		config = new Config();
 		config.fromText(dat);
 	}
 
-	private void checkConfig(final String exp) {
+	private void checkConfig(String exp) {
 		assertEquals(exp, config.toText());
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/SideBandOutputStreamTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/SideBandOutputStreamTest.java
index 4571619..4d3e162 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/SideBandOutputStreamTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/SideBandOutputStreamTest.java
@@ -259,7 +259,7 @@
 		}
 	}
 
-	private void assertBuffer(final String exp) throws IOException {
+	private void assertBuffer(String exp) throws IOException {
 		assertEquals(exp, new String(rawOut.toByteArray(),
 				Constants.CHARACTER_ENCODING));
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportTest.java
index d4c47d3..c239922 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/TransportTest.java
@@ -142,7 +142,7 @@
 		assertEquals(12, result.size());
 		boolean foundA = false;
 		boolean foundB = false;
-		for (final RemoteRefUpdate rru : result) {
+		for (RemoteRefUpdate rru : result) {
 			if ("refs/heads/a".equals(rru.getSrcRef())
 					&& "refs/heads/test/a".equals(rru.getRemoteName()))
 				foundA = true;
@@ -174,7 +174,7 @@
 		assertEquals(2, result.size());
 		boolean foundA = false;
 		boolean foundC = false;
-		for (final RemoteRefUpdate rru : result) {
+		for (RemoteRefUpdate rru : result) {
 			if ("refs/heads/a".equals(rru.getSrcRef())
 					&& "refs/heads/b".equals(rru.getRemoteName()))
 				foundA = true;
@@ -233,7 +233,7 @@
 		assertEquals(2, result.size());
 		boolean foundA = false;
 		boolean foundC = false;
-		for (final RemoteRefUpdate rru : result) {
+		for (RemoteRefUpdate rru : result) {
 			if ("refs/heads/a".equals(rru.getSrcRef())
 					&& "refs/heads/b".equals(rru.getRemoteName())) {
 				foundA = true;
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
index a8127ab..ef083da 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/UploadPackTest.java
@@ -1,22 +1,41 @@
 package org.eclipse.jgit.transport;
 
+import static org.hamcrest.Matchers.hasItems;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.theInstance;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
 
+import java.util.Arrays;
 import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.StringWriter;
+import org.eclipse.jgit.errors.PackProtocolException;
 import org.eclipse.jgit.errors.TransportException;
 import org.eclipse.jgit.internal.storage.dfs.DfsGarbageCollector;
 import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
 import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
 import org.eclipse.jgit.junit.TestRepository;
 import org.eclipse.jgit.lib.NullProgressMonitor;
+import org.eclipse.jgit.lib.ProgressMonitor;
+import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.lib.Sets;
+import org.eclipse.jgit.lib.TextProgressMonitor;
 import org.eclipse.jgit.revwalk.RevBlob;
 import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.revwalk.RevTree;
+import org.eclipse.jgit.revwalk.RevTag;
 import org.eclipse.jgit.transport.UploadPack.RequestPolicy;
 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
 import org.eclipse.jgit.transport.resolver.UploadPackFactory;
+import org.eclipse.jgit.util.io.NullOutputStream;
 import org.hamcrest.Matchers;
 import org.junit.After;
 import org.junit.Before;
@@ -170,4 +189,899 @@
 					Collections.singletonList(new RefSpec(blob.name())));
 		}
 	}
+
+	@Test
+	public void testFetchWithBlobNoneFilter() throws Exception {
+		InMemoryRepository server2 = newRepo("server2");
+		TestRepository<InMemoryRepository> remote2 =
+				new TestRepository<>(server2);
+		RevBlob blob1 = remote2.blob("foobar");
+		RevBlob blob2 = remote2.blob("fooba");
+		RevTree tree = remote2.tree(remote2.file("1", blob1),
+				remote2.file("2", blob2));
+		RevCommit commit = remote2.commit(tree);
+		remote2.update("master", commit);
+
+		server2.getConfig().setBoolean("uploadpack", null, "allowfilter", true);
+
+		testProtocol = new TestProtocol<>(
+				new UploadPackFactory<Object>() {
+					@Override
+					public UploadPack create(Object req, Repository db)
+							throws ServiceNotEnabledException,
+							ServiceNotAuthorizedException {
+						UploadPack up = new UploadPack(db);
+						return up;
+					}
+				}, null);
+		uri = testProtocol.register(ctx, server2);
+
+		try (Transport tn = testProtocol.open(uri, client, "server2")) {
+			tn.setFilterBlobLimit(0);
+			tn.fetch(NullProgressMonitor.INSTANCE,
+					Collections.singletonList(new RefSpec(commit.name())));
+			assertTrue(client.hasObject(tree.toObjectId()));
+			assertFalse(client.hasObject(blob1.toObjectId()));
+			assertFalse(client.hasObject(blob2.toObjectId()));
+		}
+	}
+
+	@Test
+	public void testFetchWithBlobLimitFilter() throws Exception {
+		InMemoryRepository server2 = newRepo("server2");
+		TestRepository<InMemoryRepository> remote2 =
+				new TestRepository<>(server2);
+		RevBlob longBlob = remote2.blob("foobar");
+		RevBlob shortBlob = remote2.blob("fooba");
+		RevTree tree = remote2.tree(remote2.file("1", longBlob),
+				remote2.file("2", shortBlob));
+		RevCommit commit = remote2.commit(tree);
+		remote2.update("master", commit);
+
+		server2.getConfig().setBoolean("uploadpack", null, "allowfilter", true);
+
+		testProtocol = new TestProtocol<>(
+				new UploadPackFactory<Object>() {
+					@Override
+					public UploadPack create(Object req, Repository db)
+							throws ServiceNotEnabledException,
+							ServiceNotAuthorizedException {
+						UploadPack up = new UploadPack(db);
+						return up;
+					}
+				}, null);
+		uri = testProtocol.register(ctx, server2);
+
+		try (Transport tn = testProtocol.open(uri, client, "server2")) {
+			tn.setFilterBlobLimit(5);
+			tn.fetch(NullProgressMonitor.INSTANCE,
+					Collections.singletonList(new RefSpec(commit.name())));
+			assertFalse(client.hasObject(longBlob.toObjectId()));
+			assertTrue(client.hasObject(shortBlob.toObjectId()));
+		}
+	}
+
+	@Test
+	public void testFetchWithBlobLimitFilterAndBitmaps() throws Exception {
+		InMemoryRepository server2 = newRepo("server2");
+		TestRepository<InMemoryRepository> remote2 =
+				new TestRepository<>(server2);
+		RevBlob longBlob = remote2.blob("foobar");
+		RevBlob shortBlob = remote2.blob("fooba");
+		RevTree tree = remote2.tree(remote2.file("1", longBlob),
+				remote2.file("2", shortBlob));
+		RevCommit commit = remote2.commit(tree);
+		remote2.update("master", commit);
+
+		server2.getConfig().setBoolean("uploadpack", null, "allowfilter", true);
+
+		// generate bitmaps
+		new DfsGarbageCollector(server2).pack(null);
+		server2.scanForRepoChanges();
+
+		testProtocol = new TestProtocol<>(
+				new UploadPackFactory<Object>() {
+					@Override
+					public UploadPack create(Object req, Repository db)
+							throws ServiceNotEnabledException,
+							ServiceNotAuthorizedException {
+						UploadPack up = new UploadPack(db);
+						return up;
+					}
+				}, null);
+		uri = testProtocol.register(ctx, server2);
+
+		try (Transport tn = testProtocol.open(uri, client, "server2")) {
+			tn.setFilterBlobLimit(5);
+			tn.fetch(NullProgressMonitor.INSTANCE,
+					Collections.singletonList(new RefSpec(commit.name())));
+			assertFalse(client.hasObject(longBlob.toObjectId()));
+			assertTrue(client.hasObject(shortBlob.toObjectId()));
+		}
+	}
+
+	@Test
+	public void testFetchWithNonSupportingServer() throws Exception {
+		InMemoryRepository server2 = newRepo("server2");
+		TestRepository<InMemoryRepository> remote2 =
+				new TestRepository<>(server2);
+		RevBlob blob = remote2.blob("foo");
+		RevTree tree = remote2.tree(remote2.file("1", blob));
+		RevCommit commit = remote2.commit(tree);
+		remote2.update("master", commit);
+
+		server2.getConfig().setBoolean("uploadpack", null, "allowfilter", false);
+
+		testProtocol = new TestProtocol<>(
+				new UploadPackFactory<Object>() {
+					@Override
+					public UploadPack create(Object req, Repository db)
+							throws ServiceNotEnabledException,
+							ServiceNotAuthorizedException {
+						UploadPack up = new UploadPack(db);
+						return up;
+					}
+				}, null);
+		uri = testProtocol.register(ctx, server2);
+
+		try (Transport tn = testProtocol.open(uri, client, "server2")) {
+			tn.setFilterBlobLimit(0);
+
+			thrown.expect(TransportException.class);
+			thrown.expectMessage("filter requires server to advertise that capability");
+
+			tn.fetch(NullProgressMonitor.INSTANCE,
+					Collections.singletonList(new RefSpec(commit.name())));
+		}
+	}
+
+	/*
+	 * Invokes UploadPack with protocol v2 and sends it the given lines,
+	 * and returns UploadPack's output stream.
+	 */
+	private ByteArrayInputStream uploadPackV2Setup(RequestPolicy requestPolicy,
+			RefFilter refFilter, String... inputLines) throws Exception {
+
+		ByteArrayOutputStream send = new ByteArrayOutputStream();
+		PacketLineOut pckOut = new PacketLineOut(send);
+		for (String line : inputLines) {
+			if (line == PacketLineIn.END) {
+				pckOut.end();
+			} else if (line == PacketLineIn.DELIM) {
+				pckOut.writeDelim();
+			} else {
+				pckOut.writeString(line);
+			}
+		}
+
+		server.getConfig().setString("protocol", null, "version", "2");
+		UploadPack up = new UploadPack(server);
+		if (requestPolicy != null)
+			up.setRequestPolicy(requestPolicy);
+		if (refFilter != null)
+			up.setRefFilter(refFilter);
+		up.setExtraParameters(Sets.of("version=2"));
+
+		ByteArrayOutputStream recv = new ByteArrayOutputStream();
+		up.upload(new ByteArrayInputStream(send.toByteArray()), recv, null);
+
+		return new ByteArrayInputStream(recv.toByteArray());
+	}
+
+	/*
+	 * Invokes UploadPack with protocol v2 and sends it the given lines.
+	 * Returns UploadPack's output stream, not including the capability
+	 * advertisement by the server.
+	 */
+	private ByteArrayInputStream uploadPackV2(RequestPolicy requestPolicy,
+			RefFilter refFilter, String... inputLines) throws Exception {
+		ByteArrayInputStream recvStream =
+			uploadPackV2Setup(requestPolicy, refFilter, inputLines);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		// drain capabilities
+		while (pckIn.readString() != PacketLineIn.END) {
+			// do nothing
+		}
+		return recvStream;
+	}
+
+	private ByteArrayInputStream uploadPackV2(String... inputLines) throws Exception {
+		return uploadPackV2(null, null, inputLines);
+	}
+
+	@Test
+	public void testV2Capabilities() throws Exception {
+		ByteArrayInputStream recvStream =
+			uploadPackV2Setup(null, null, PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("version 2"));
+		assertThat(
+			Arrays.asList(pckIn.readString(), pckIn.readString()),
+			// TODO(jonathantanmy) This check is written this way
+			// to make it simple to see that we expect this list of
+			// capabilities, but probably should be loosened to
+			// allow additional commands to be added to the list,
+			// and additional capabilities to be added to existing
+			// commands without requiring test changes.
+			hasItems("ls-refs", "fetch=shallow"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2CapabilitiesAllowFilter() throws Exception {
+		server.getConfig().setBoolean("uploadpack", null, "allowfilter", true);
+		ByteArrayInputStream recvStream =
+			uploadPackV2Setup(null, null, PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("version 2"));
+		assertThat(
+			Arrays.asList(pckIn.readString(), pckIn.readString()),
+			// TODO(jonathantanmy) This check overspecifies the
+			// order of the capabilities of "fetch".
+			hasItems("ls-refs", "fetch=filter shallow"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	@SuppressWarnings("boxing")
+	public void testV2EmptyRequest() throws Exception {
+		ByteArrayInputStream recvStream = uploadPackV2(PacketLineIn.END);
+		// Verify that there is nothing more after the capability
+		// advertisement.
+		assertThat(recvStream.available(), is(0));
+	}
+
+	@Test
+	public void testV2LsRefs() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		server.updateRef("HEAD").link("refs/heads/master");
+		RevTag tag = remote.tag("tag", tip);
+		remote.update("refs/tags/tag", tag);
+
+		ByteArrayInputStream recvStream = uploadPackV2("command=ls-refs\n", PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " HEAD"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(pckIn.readString(), is(tag.toObjectId().getName() + " refs/tags/tag"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsSymrefs() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		server.updateRef("HEAD").link("refs/heads/master");
+		RevTag tag = remote.tag("tag", tip);
+		remote.update("refs/tags/tag", tag);
+
+		ByteArrayInputStream recvStream = uploadPackV2("command=ls-refs\n", PacketLineIn.DELIM, "symrefs", PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " HEAD symref-target:refs/heads/master"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(pckIn.readString(), is(tag.toObjectId().getName() + " refs/tags/tag"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsPeel() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		server.updateRef("HEAD").link("refs/heads/master");
+		RevTag tag = remote.tag("tag", tip);
+		remote.update("refs/tags/tag", tag);
+
+		ByteArrayInputStream recvStream = uploadPackV2("command=ls-refs\n", PacketLineIn.DELIM, "peel", PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " HEAD"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(
+			pckIn.readString(),
+			is(tag.toObjectId().getName() + " refs/tags/tag peeled:"
+				+ tip.toObjectId().getName()));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsMultipleCommands() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		server.updateRef("HEAD").link("refs/heads/master");
+		RevTag tag = remote.tag("tag", tip);
+		remote.update("refs/tags/tag", tag);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=ls-refs\n", PacketLineIn.DELIM, "symrefs", "peel", PacketLineIn.END,
+			"command=ls-refs\n", PacketLineIn.DELIM, PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " HEAD symref-target:refs/heads/master"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(
+			pckIn.readString(),
+			is(tag.toObjectId().getName() + " refs/tags/tag peeled:"
+				+ tip.toObjectId().getName()));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " HEAD"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(pckIn.readString(), is(tag.toObjectId().getName() + " refs/tags/tag"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsRefPrefix() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		remote.update("other", tip);
+		remote.update("yetAnother", tip);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=ls-refs\n",
+			PacketLineIn.DELIM,
+			"ref-prefix refs/heads/maste",
+			"ref-prefix refs/heads/other",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/other"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsRefPrefixNoSlash() throws Exception {
+		RevCommit tip = remote.commit().message("message").create();
+		remote.update("master", tip);
+		remote.update("other", tip);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=ls-refs\n",
+			PacketLineIn.DELIM,
+			"ref-prefix refs/heads/maste",
+			"ref-prefix r",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/master"));
+		assertThat(pckIn.readString(), is(tip.toObjectId().getName() + " refs/heads/other"));
+		assertTrue(pckIn.readString() == PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2LsRefsUnrecognizedArgument() throws Exception {
+		thrown.expect(PackProtocolException.class);
+		thrown.expectMessage("unexpected invalid-argument");
+		uploadPackV2(
+			"command=ls-refs\n",
+			PacketLineIn.DELIM,
+			"invalid-argument\n",
+			PacketLineIn.END);
+	}
+
+	/*
+	 * Parse multiplexed packfile output from upload-pack using protocol V2
+	 * into the client repository.
+	 */
+	private ReceivedPackStatistics parsePack(ByteArrayInputStream recvStream) throws Exception {
+		return parsePack(recvStream, NullProgressMonitor.INSTANCE);
+	}
+
+	private ReceivedPackStatistics parsePack(ByteArrayInputStream recvStream, ProgressMonitor pm)
+			throws Exception {
+		SideBandInputStream sb = new SideBandInputStream(
+				recvStream, pm,
+				new StringWriter(), NullOutputStream.INSTANCE);
+		PackParser pp = client.newObjectInserter().newPackParser(sb);
+		pp.parse(NullProgressMonitor.INSTANCE);
+		return pp.getReceivedPackStatistics();
+	}
+
+	@Test
+	public void testV2FetchRequestPolicyAdvertised() throws Exception {
+		RevCommit advertized = remote.commit().message("x").create();
+		RevCommit unadvertized = remote.commit().message("y").create();
+		remote.update("branch1", advertized);
+
+		// This works
+		uploadPackV2(
+			RequestPolicy.ADVERTISED,
+			null,
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + advertized.name() + "\n",
+			PacketLineIn.END);
+
+		// This doesn't
+		thrown.expect(TransportException.class);
+		thrown.expectMessage(Matchers.containsString(
+					"want " + unadvertized.name() + " not valid"));
+		uploadPackV2(
+			RequestPolicy.ADVERTISED,
+			null,
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + unadvertized.name() + "\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchRequestPolicyReachableCommit() throws Exception {
+		RevCommit reachable = remote.commit().message("x").create();
+		RevCommit advertized = remote.commit().message("x").parent(reachable).create();
+		RevCommit unreachable = remote.commit().message("y").create();
+		remote.update("branch1", advertized);
+
+		// This works
+		uploadPackV2(
+			RequestPolicy.REACHABLE_COMMIT,
+			null,
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + reachable.name() + "\n",
+			PacketLineIn.END);
+
+		// This doesn't
+		thrown.expect(TransportException.class);
+		thrown.expectMessage(Matchers.containsString(
+					"want " + unreachable.name() + " not valid"));
+		uploadPackV2(
+			RequestPolicy.REACHABLE_COMMIT,
+			null,
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + unreachable.name() + "\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchRequestPolicyTip() throws Exception {
+		RevCommit parentOfTip = remote.commit().message("x").create();
+		RevCommit tip = remote.commit().message("y").parent(parentOfTip).create();
+		remote.update("secret", tip);
+
+		// This works
+		uploadPackV2(
+			RequestPolicy.TIP,
+			new RejectAllRefFilter(),
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + tip.name() + "\n",
+			PacketLineIn.END);
+
+		// This doesn't
+		thrown.expect(TransportException.class);
+		thrown.expectMessage(Matchers.containsString(
+					"want " + parentOfTip.name() + " not valid"));
+		uploadPackV2(
+			RequestPolicy.TIP,
+			new RejectAllRefFilter(),
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + parentOfTip.name() + "\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchRequestPolicyReachableCommitTip() throws Exception {
+		RevCommit parentOfTip = remote.commit().message("x").create();
+		RevCommit tip = remote.commit().message("y").parent(parentOfTip).create();
+		RevCommit unreachable = remote.commit().message("y").create();
+		remote.update("secret", tip);
+
+		// This works
+		uploadPackV2(
+			RequestPolicy.REACHABLE_COMMIT_TIP,
+			new RejectAllRefFilter(),
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + parentOfTip.name() + "\n",
+			PacketLineIn.END);
+
+		// This doesn't
+		thrown.expect(TransportException.class);
+		thrown.expectMessage(Matchers.containsString(
+					"want " + unreachable.name() + " not valid"));
+		uploadPackV2(
+			RequestPolicy.REACHABLE_COMMIT_TIP,
+			new RejectAllRefFilter(),
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + unreachable.name() + "\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchRequestPolicyAny() throws Exception {
+		RevCommit unreachable = remote.commit().message("y").create();
+
+		// Exercise to make sure that even unreachable commits can be fetched
+		uploadPackV2(
+			RequestPolicy.ANY,
+			null,
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + unreachable.name() + "\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchServerDoesNotStopNegotiation() throws Exception {
+		RevCommit fooParent = remote.commit().message("x").create();
+		RevCommit fooChild = remote.commit().message("x").parent(fooParent).create();
+		RevCommit barParent = remote.commit().message("y").create();
+		RevCommit barChild = remote.commit().message("y").parent(barParent).create();
+		remote.update("branch1", fooChild);
+		remote.update("branch2", barChild);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + fooChild.toObjectId().getName() + "\n",
+			"want " + barChild.toObjectId().getName() + "\n",
+			"have " + fooParent.toObjectId().getName() + "\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("acknowledgments"));
+		assertThat(pckIn.readString(), is("ACK " + fooParent.toObjectId().getName()));
+		assertThat(pckIn.readString(), theInstance(PacketLineIn.END));
+	}
+
+	@Test
+	public void testV2FetchServerStopsNegotiation() throws Exception {
+		RevCommit fooParent = remote.commit().message("x").create();
+		RevCommit fooChild = remote.commit().message("x").parent(fooParent).create();
+		RevCommit barParent = remote.commit().message("y").create();
+		RevCommit barChild = remote.commit().message("y").parent(barParent).create();
+		remote.update("branch1", fooChild);
+		remote.update("branch2", barChild);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + fooChild.toObjectId().getName() + "\n",
+			"want " + barChild.toObjectId().getName() + "\n",
+			"have " + fooParent.toObjectId().getName() + "\n",
+			"have " + barParent.toObjectId().getName() + "\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("acknowledgments"));
+		assertThat(
+			Arrays.asList(pckIn.readString(), pckIn.readString()),
+			hasItems(
+				"ACK " + fooParent.toObjectId().getName(),
+				"ACK " + barParent.toObjectId().getName()));
+		assertThat(pckIn.readString(), is("ready"));
+		assertThat(pckIn.readString(), theInstance(PacketLineIn.DELIM));
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertFalse(client.hasObject(fooParent.toObjectId()));
+		assertTrue(client.hasObject(fooChild.toObjectId()));
+		assertFalse(client.hasObject(barParent.toObjectId()));
+		assertTrue(client.hasObject(barChild.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchClientStopsNegotiation() throws Exception {
+		RevCommit fooParent = remote.commit().message("x").create();
+		RevCommit fooChild = remote.commit().message("x").parent(fooParent).create();
+		RevCommit barParent = remote.commit().message("y").create();
+		RevCommit barChild = remote.commit().message("y").parent(barParent).create();
+		remote.update("branch1", fooChild);
+		remote.update("branch2", barChild);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + fooChild.toObjectId().getName() + "\n",
+			"want " + barChild.toObjectId().getName() + "\n",
+			"have " + fooParent.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertFalse(client.hasObject(fooParent.toObjectId()));
+		assertTrue(client.hasObject(fooChild.toObjectId()));
+		assertTrue(client.hasObject(barParent.toObjectId()));
+		assertTrue(client.hasObject(barChild.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchThinPack() throws Exception {
+		String commonInBlob = "abcdefghijklmnopqrstuvwxyz";
+
+		RevBlob parentBlob = remote.blob(commonInBlob + "a");
+		RevCommit parent = remote.commit(remote.tree(remote.file("foo", parentBlob)));
+		RevBlob childBlob = remote.blob(commonInBlob + "b");
+		RevCommit child = remote.commit(remote.tree(remote.file("foo", childBlob)), parent);
+		remote.update("branch1", child);
+
+		// Pretend that we have parent to get a thin pack based on it.
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"have " + parent.toObjectId().getName() + "\n",
+			"thin-pack\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		assertThat(pckIn.readString(), is("packfile"));
+
+		// Verify that we received a thin pack by trying to apply it
+		// against the client repo, which does not have parent.
+		thrown.expect(IOException.class);
+		thrown.expectMessage("pack has unresolved deltas");
+		parsePack(recvStream);
+	}
+
+	@Test
+	public void testV2FetchNoProgress() throws Exception {
+		RevCommit commit = remote.commit().message("x").create();
+		remote.update("branch1", commit);
+
+		// Without no-progress, progress is reported.
+		StringWriter sw = new StringWriter();
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream, new TextProgressMonitor(sw));
+		assertFalse(sw.toString().isEmpty());
+
+		// With no-progress, progress is not reported.
+		sw = new StringWriter();
+		recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"no-progress\n",
+			"done\n",
+			PacketLineIn.END);
+		pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream, new TextProgressMonitor(sw));
+		assertTrue(sw.toString().isEmpty());
+	}
+
+	@Test
+	public void testV2FetchIncludeTag() throws Exception {
+		RevCommit commit = remote.commit().message("x").create();
+		RevTag tag = remote.tag("tag", commit);
+		remote.update("branch1", commit);
+		remote.update("refs/tags/tag", tag);
+
+		// Without include-tag.
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertFalse(client.hasObject(tag.toObjectId()));
+
+		// With tag.
+		recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"include-tag\n",
+			"done\n",
+			PacketLineIn.END);
+		pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertTrue(client.hasObject(tag.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchOfsDelta() throws Exception {
+		String commonInBlob = "abcdefghijklmnopqrstuvwxyz";
+
+		RevBlob parentBlob = remote.blob(commonInBlob + "a");
+		RevCommit parent = remote.commit(remote.tree(remote.file("foo", parentBlob)));
+		RevBlob childBlob = remote.blob(commonInBlob + "b");
+		RevCommit child = remote.commit(remote.tree(remote.file("foo", childBlob)), parent);
+		remote.update("branch1", child);
+
+		// Without ofs-delta.
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		ReceivedPackStatistics stats = parsePack(recvStream);
+		assertTrue(stats.getNumOfsDelta() == 0);
+
+		// With ofs-delta.
+		recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"ofs-delta\n",
+			"done\n",
+			PacketLineIn.END);
+		pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		stats = parsePack(recvStream);
+		assertTrue(stats.getNumOfsDelta() != 0);
+	}
+
+	@Test
+	public void testV2FetchShallow() throws Exception {
+		RevCommit commonParent = remote.commit().message("parent").create();
+		RevCommit fooChild = remote.commit().message("x").parent(commonParent).create();
+		RevCommit barChild = remote.commit().message("y").parent(commonParent).create();
+		remote.update("branch1", barChild);
+
+		// Without shallow, the server thinks that we have
+		// commonParent, so it doesn't send it.
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + barChild.toObjectId().getName() + "\n",
+			"have " + fooChild.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertTrue(client.hasObject(barChild.toObjectId()));
+		assertFalse(client.hasObject(commonParent.toObjectId()));
+
+		// With shallow, the server knows that we don't have
+		// commonParent, so it sends it.
+		recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + barChild.toObjectId().getName() + "\n",
+			"have " + fooChild.toObjectId().getName() + "\n",
+			"shallow " + fooChild.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertTrue(client.hasObject(commonParent.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchDeepenAndDone() throws Exception {
+		RevCommit parent = remote.commit().message("parent").create();
+		RevCommit child = remote.commit().message("x").parent(parent).create();
+		remote.update("branch1", child);
+
+		// "deepen 1" sends only the child.
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"deepen 1\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("shallow-info"));
+		assertThat(pckIn.readString(), is("shallow " + child.toObjectId().getName()));
+		assertThat(pckIn.readString(), theInstance(PacketLineIn.DELIM));
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertTrue(client.hasObject(child.toObjectId()));
+		assertFalse(client.hasObject(parent.toObjectId()));
+
+		// Without that, the parent is sent too.
+		recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"done\n",
+			PacketLineIn.END);
+		pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+		assertTrue(client.hasObject(parent.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchDeepenWithoutDone() throws Exception {
+		RevCommit parent = remote.commit().message("parent").create();
+		RevCommit child = remote.commit().message("x").parent(parent).create();
+		remote.update("branch1", child);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + child.toObjectId().getName() + "\n",
+			"deepen 1\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+
+		// Verify that only the correct section is sent. "shallow-info"
+		// is not sent because, according to the specification, it is
+		// sent only if a packfile is sent.
+		assertThat(pckIn.readString(), is("acknowledgments"));
+		assertThat(pckIn.readString(), is("NAK"));
+		assertThat(pckIn.readString(), theInstance(PacketLineIn.END));
+	}
+
+	@Test
+	public void testV2FetchUnrecognizedArgument() throws Exception {
+		thrown.expect(PackProtocolException.class);
+		thrown.expectMessage("unexpected invalid-argument");
+		uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"invalid-argument\n",
+			PacketLineIn.END);
+	}
+
+	@Test
+	public void testV2FetchFilter() throws Exception {
+		RevBlob big = remote.blob("foobar");
+		RevBlob small = remote.blob("fooba");
+		RevTree tree = remote.tree(remote.file("1", big),
+				remote.file("2", small));
+		RevCommit commit = remote.commit(tree);
+		remote.update("master", commit);
+
+		server.getConfig().setBoolean("uploadpack", null, "allowfilter", true);
+
+		ByteArrayInputStream recvStream = uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"filter blob:limit=5\n",
+			"done\n",
+			PacketLineIn.END);
+		PacketLineIn pckIn = new PacketLineIn(recvStream);
+		assertThat(pckIn.readString(), is("packfile"));
+		parsePack(recvStream);
+
+		assertFalse(client.hasObject(big.toObjectId()));
+		assertTrue(client.hasObject(small.toObjectId()));
+	}
+
+	@Test
+	public void testV2FetchFilterWhenNotAllowed() throws Exception {
+		RevCommit commit = remote.commit().message("0").create();
+		remote.update("master", commit);
+
+		server.getConfig().setBoolean("uploadpack", null, "allowfilter", false);
+
+		thrown.expect(PackProtocolException.class);
+		thrown.expectMessage("unexpected filter blob:limit=5");
+		uploadPackV2(
+			"command=fetch\n",
+			PacketLineIn.DELIM,
+			"want " + commit.toObjectId().getName() + "\n",
+			"filter blob:limit=5\n",
+			"done\n",
+			PacketLineIn.END);
+	}
+
+	private static class RejectAllRefFilter implements RefFilter {
+		@Override
+		public Map<String, Ref> filter(Map<String, Ref> refs) {
+			return new HashMap<>();
+		}
+	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
index cb04f83..33e2529 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/transport/WalkEncryptionTest.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.transport.WalkEncryptionTest.Util.cryptoCipherListPBE;
 import static org.eclipse.jgit.transport.WalkEncryptionTest.Util.cryptoCipherListTrans;
 import static org.eclipse.jgit.transport.WalkEncryptionTest.Util.folderDelete;
@@ -360,7 +360,7 @@
 		 * @throws Exception
 		 */
 		static String textRead(File file) throws Exception {
-			return new String(Files.readAllBytes(file.toPath()), UTF_8);
+			return new String(Files.readAllBytes(file.toPath()), CHARSET);
 		}
 
 		/**
@@ -371,7 +371,7 @@
 		 * @throws Exception
 		 */
 		static void textWrite(File file, String text) throws Exception {
-			Files.write(file.toPath(), text.getBytes(UTF_8));
+			Files.write(file.toPath(), text.getBytes(CHARSET));
 		}
 
 		static void verifyFileContent(File fileOne, File fileTwo)
@@ -419,12 +419,9 @@
 				URLConnection c = url.openConnection();
 				c.setConnectTimeout(500);
 				c.setReadTimeout(500);
-				BufferedReader reader = new BufferedReader(
-						new InputStreamReader(c.getInputStream()));
-				try {
+				try (BufferedReader reader = new BufferedReader(
+						new InputStreamReader(c.getInputStream()))) {
 					return reader.readLine();
-				} finally {
-					reader.close();
 				}
 			} catch (UnknownHostException | SocketTimeoutException e) {
 				return "Can't reach http://checkip.amazonaws.com to"
@@ -654,9 +651,9 @@
 			Properties props = Props.discover();
 			props.put(AmazonS3.Keys.PASSWORD, JGIT_PASS);
 			props.put(AmazonS3.Keys.CRYPTO_ALG, algorithm);
-			PrintWriter writer = new PrintWriter(JGIT_CONF_FILE);
-			props.store(writer, "JGIT S3 connection configuration file.");
-			writer.close();
+			try (PrintWriter writer = new PrintWriter(JGIT_CONF_FILE)) {
+				props.store(writer, "JGIT S3 connection configuration file.");
+			}
 		}
 
 		/**
@@ -668,9 +665,9 @@
 		static void configCreate(Properties source) throws Exception {
 			Properties target = Props.discover();
 			target.putAll(source);
-			PrintWriter writer = new PrintWriter(JGIT_CONF_FILE);
-			target.store(writer, "JGIT S3 connection configuration file.");
-			writer.close();
+			try (PrintWriter writer = new PrintWriter(JGIT_CONF_FILE)) {
+				target.store(writer, "JGIT S3 connection configuration file.");
+			}
 		}
 
 		/**
@@ -741,7 +738,7 @@
 			AmazonS3 s3 = new AmazonS3(props);
 			String file = JGIT_USER + "-" + UUID.randomUUID().toString();
 			String path = JGIT_REMOTE_DIR + "/" + file;
-			s3.put(bucket, path, file.getBytes(UTF_8));
+			s3.put(bucket, path, file.getBytes(CHARSET));
 			s3.delete(bucket, path);
 		}
 
@@ -836,10 +833,10 @@
 			{
 				byte[] origin = sourceText.getBytes(charset);
 				ByteArrayOutputStream target = new ByteArrayOutputStream();
-				OutputStream source = crypto.encrypt(target);
-				source.write(origin);
-				source.flush();
-				source.close();
+				try (OutputStream source = crypto.encrypt(target)) {
+					source.write(origin);
+					source.flush();
+				}
 				cipherText = target.toByteArray();
 			}
 			{
@@ -1074,10 +1071,10 @@
 				remoteConfig.update(config);
 				config.save();
 
-				Git git = Git.open(dirOne);
-				git.checkout().setName("master").call();
-				git.push().setRemote(remote).setRefSpecs(specs).call();
-				git.close();
+				try (Git git = Git.open(dirOne)) {
+					git.checkout().setName("master").call();
+					git.push().setRemote(remote).setRefSpecs(specs).call();
+				}
 
 				File fileStatic = new File(dirOne, nameStatic);
 				assertTrue("Provided by setup", fileStatic.exists());
@@ -1089,11 +1086,11 @@
 				File fileStatic = new File(dirTwo, nameStatic);
 				assertFalse("Not Provided by setup", fileStatic.exists());
 
-				Git git = Git.cloneRepository().setURI(uri).setDirectory(dirTwo)
-						.call();
-				git.close();
+				try (Git git = Git.cloneRepository().setURI(uri)
+						.setDirectory(dirTwo).call()) {
+					assertTrue("Provided by clone", fileStatic.exists());
+				}
 
-				assertTrue("Provided by clone", fileStatic.exists());
 			}
 
 			{ // Verify static file content.
@@ -1111,11 +1108,11 @@
 				assertTrue("Provided by create", fileDynamic.exists());
 				assertTrue("Need content to encrypt", fileDynamic.length() > 0);
 
-				Git git = Git.open(dirOne);
-				git.add().addFilepattern(nameDynamic).call();
-				git.commit().setMessage(nameDynamic).call();
-				git.push().setRemote(remote).setRefSpecs(specs).call();
-				git.close();
+				try (Git git = Git.open(dirOne)) {
+					git.add().addFilepattern(nameDynamic).call();
+					git.commit().setMessage(nameDynamic).call();
+					git.push().setRemote(remote).setRefSpecs(specs).call();
+				}
 
 			}
 
@@ -1124,9 +1121,9 @@
 				File fileDynamic = new File(dirTwo, nameDynamic);
 				assertFalse("Not Provided by setup", fileDynamic.exists());
 
-				Git git = Git.open(dirTwo);
-				git.pull().call();
-				git.close();
+				try (Git git = Git.open(dirTwo)) {
+					git.pull().call();
+				}
 
 				assertTrue("Provided by pull", fileDynamic.exists());
 			}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/CanonicalTreeParserTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/CanonicalTreeParserTest.java
index f5e97c2..6195e64 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/CanonicalTreeParserTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/CanonicalTreeParserTest.java
@@ -91,9 +91,9 @@
 				hash_sometree), entry(m644, "foo", hash_foo));
 	}
 
-	private static byte[] mktree(final byte[]... data) throws Exception {
+	private static byte[] mktree(byte[]... data) throws Exception {
 		final ByteArrayOutputStream out = new ByteArrayOutputStream();
-		for (final byte[] e : data)
+		for (byte[] e : data)
 			out.write(e);
 		return out.toByteArray();
 	}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java
index e34cb97..0e009b9 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/FileTreeIteratorTest.java
@@ -821,7 +821,7 @@
 		assertEquals(sha1string, tw.getObjectId(1).getName() /* 1=filetree here */);
 	}
 
-	private static String nameOf(final AbstractTreeIterator i) {
+	private static String nameOf(AbstractTreeIterator i) {
 		return RawParseUtils.decode(Constants.CHARSET, i.path, 0, i.pathLen);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/PostOrderTreeWalkTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/PostOrderTreeWalkTest.java
index 6ad47c2..232422e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/PostOrderTreeWalkTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/PostOrderTreeWalkTest.java
@@ -60,14 +60,14 @@
 public class PostOrderTreeWalkTest extends RepositoryTestCase {
 	@Test
 	public void testInitialize_NoPostOrder() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			assertFalse(tw.isPostOrderTraversal());
 		}
 	}
 
 	@Test
 	public void testInitialize_TogglePostOrder() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			assertFalse(tw.isPostOrderTraversal());
 			tw.setPostOrderTraversal(true);
 			assertTrue(tw.isPostOrderTraversal());
@@ -78,7 +78,7 @@
 
 	@Test
 	public void testResetDoesNotAffectPostOrder() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setPostOrderTraversal(true);
 			assertTrue(tw.isPostOrderTraversal());
 			tw.reset();
@@ -104,7 +104,7 @@
 		b.finish();
 		assertEquals(4, tree.getEntryCount());
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setPostOrderTraversal(false);
 			tw.addTree(new DirCacheIterator(tree));
 
@@ -132,7 +132,7 @@
 		b.finish();
 		assertEquals(4, tree.getEntryCount());
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setPostOrderTraversal(true);
 			tw.addTree(new DirCacheIterator(tree));
 
@@ -166,7 +166,7 @@
 		b.finish();
 		assertEquals(4, tree.getEntryCount());
 
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setPostOrderTraversal(true);
 			tw.addTree(new DirCacheIterator(tree));
 
@@ -180,7 +180,7 @@
 		}
 	}
 
-	private DirCacheEntry makeFile(final String path) throws Exception {
+	private DirCacheEntry makeFile(String path) throws Exception {
 		return createEntry(path, REGULAR_FILE);
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/AlwaysCloneTreeFilter.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/AlwaysCloneTreeFilter.java
index 8e2cca4..d9cfb62 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/AlwaysCloneTreeFilter.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/AlwaysCloneTreeFilter.java
@@ -52,7 +52,7 @@
 	}
 
 	@Override
-	public boolean include(final TreeWalk walker) {
+	public boolean include(TreeWalk walker) {
 		return false;
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/NotTreeFilterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/NotTreeFilterTest.java
index f7a7fb8..c6389fb 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/NotTreeFilterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/NotTreeFilterTest.java
@@ -57,12 +57,13 @@
 public class NotTreeFilterTest extends RepositoryTestCase {
 	@Test
 	public void testWrap() throws Exception {
-		final TreeWalk tw = new TreeWalk(db);
-		final TreeFilter a = TreeFilter.ALL;
-		final TreeFilter n = NotTreeFilter.create(a);
-		assertNotNull(n);
-		assertTrue(a.include(tw));
-		assertFalse(n.include(tw));
+		try (TreeWalk tw = new TreeWalk(db)) {
+			final TreeFilter a = TreeFilter.ALL;
+			final TreeFilter n = NotTreeFilter.create(a);
+			assertNotNull(n);
+			assertTrue(a.include(tw));
+			assertFalse(n.include(tw));
+		}
 	}
 
 	@Test
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest.java
index d921aab..71a2f32 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathFilterGroupTest.java
@@ -254,7 +254,7 @@
 		}
 	}
 
-	TreeWalk fakeWalk(final String path) throws IOException {
+	TreeWalk fakeWalk(String path) throws IOException {
 		DirCache dc = DirCache.newInCore();
 		DirCacheEditor dce = dc.editor();
 		dce.add(new DirCacheEditor.PathEdit(path) {
@@ -274,7 +274,7 @@
 		return ret;
 	}
 
-	TreeWalk fakeWalkAtSubtree(final String path) throws IOException {
+	TreeWalk fakeWalkAtSubtree(String path) throws IOException {
 		DirCache dc = DirCache.newInCore();
 		DirCacheEditor dce = dc.editor();
 		dce.add(new DirCacheEditor.PathEdit(path + "/README") {
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathSuffixFilterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathSuffixFilterTest.java
index 38adda3..148d5ac 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathSuffixFilterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/PathSuffixFilterTest.java
@@ -113,7 +113,7 @@
 
 	private List<String> getMatchingPaths(String suffixFilter,
 			final ObjectId treeId, boolean recursiveWalk) throws IOException {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.setFilter(PathSuffixFilter.create(suffixFilter));
 			tw.setRecursive(recursiveWalk);
 			tw.addTree(treeId);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/TreeFilterTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/TreeFilterTest.java
index c3423b6..8686c4f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/TreeFilterTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/treewalk/filter/TreeFilterTest.java
@@ -55,7 +55,7 @@
 public class TreeFilterTest extends RepositoryTestCase {
 	@Test
 	public void testALL_IncludesAnything() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new EmptyTreeIterator());
 			assertTrue(TreeFilter.ALL.include(tw));
 		}
@@ -73,7 +73,7 @@
 
 	@Test
 	public void testNotALL_IncludesNothing() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new EmptyTreeIterator());
 			assertFalse(TreeFilter.ALL.negate().include(tw));
 		}
@@ -81,7 +81,7 @@
 
 	@Test
 	public void testANY_DIFF_IncludesSingleTreeCase() throws Exception {
-		try (final TreeWalk tw = new TreeWalk(db)) {
+		try (TreeWalk tw = new TreeWalk(db)) {
 			tw.addTree(new EmptyTreeIterator());
 			assertTrue(TreeFilter.ANY_DIFF.include(tw));
 		}
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/ChangeIdUtilTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/ChangeIdUtilTest.java
index 6fed233..81467c2 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/ChangeIdUtilTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/ChangeIdUtilTest.java
@@ -680,15 +680,15 @@
 				"\n"));
 	}
 
-	private void hookDoesNotModify(final String in) throws Exception {
+	private void hookDoesNotModify(String in) throws Exception {
 		assertEquals(in, call(in));
 	}
 
-	private String call(final String body) throws Exception {
+	private String call(String body) throws Exception {
 		return call(body, false);
 	}
 
-	private String call(final String body, boolean replaceExisting) throws Exception {
+	private String call(String body, boolean replaceExisting) throws Exception {
 		ObjectId computeChangeId = ChangeIdUtil.computeChangeId(treeId1,
 				parentId1, author, committer, body);
 		if (computeChangeId == null)
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/HookTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/HookTest.java
index a680ef9..e34c3ce 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/HookTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/HookTest.java
@@ -241,7 +241,7 @@
 		}
 	}
 
-	private File writeHookFile(final String name, final String data)
+	private File writeHookFile(String name, String data)
 			throws IOException {
 		File path = new File(db.getWorkTree() + "/.git/hooks/", name);
 		JGitTestUtil.write(path, data);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java
index d2d44ff..830f20e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/NBTest.java
@@ -338,7 +338,7 @@
 		assertOutput(b(0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff), out, 3);
 	}
 
-	private static void prepareOutput(final byte[] buf) {
+	private static void prepareOutput(byte[] buf) {
 		for (int i = 0; i < buf.length; i++)
 			buf[i] = (byte) (0x77 + i);
 	}
@@ -353,11 +353,11 @@
 			assertEquals((byte) (0x77 + i), buf[i]);
 	}
 
-	private static byte[] b(final int a, final int b) {
+	private static byte[] b(int a, int b) {
 		return new byte[] { (byte) a, (byte) b };
 	}
 
-	private static byte[] padb(final int len, final int a, final int b) {
+	private static byte[] padb(int len, int a, int b) {
 		final byte[] r = new byte[len + 2];
 		for (int i = 0; i < len; i++)
 			r[i] = (byte) 0xaf;
@@ -370,7 +370,7 @@
 		return new byte[] { (byte) a, (byte) b, (byte) c };
 	}
 
-	private static byte[] b(final int a, final int b, final int c, final int d) {
+	private static byte[] b(int a, int b, int c, int d) {
 		return new byte[] { (byte) a, (byte) b, (byte) c, (byte) d };
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneStyleTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneStyleTest.java
index 6507876..49ad55f 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneStyleTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneStyleTest.java
@@ -52,14 +52,14 @@
 import org.junit.Test;
 
 public class QuotedStringBourneStyleTest {
-	private static void assertQuote(final String in, final String exp) {
+	private static void assertQuote(String in, String exp) {
 		final String r = BOURNE.quote(in);
 		assertNotSame(in, r);
 		assertFalse(in.equals(r));
 		assertEquals('\'' + exp + '\'', r);
 	}
 
-	private static void assertDequote(final String exp, final String in) {
+	private static void assertDequote(String exp, String in) {
 		final byte[] b = Constants.encode('\'' + in + '\'');
 		final String r = BOURNE.dequote(b, 0, b.length);
 		assertEquals(exp, r);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneUserPathStyleTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneUserPathStyleTest.java
index 7463528..17f1b77 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneUserPathStyleTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringBourneUserPathStyleTest.java
@@ -52,14 +52,14 @@
 import org.junit.Test;
 
 public class QuotedStringBourneUserPathStyleTest {
-	private static void assertQuote(final String in, final String exp) {
+	private static void assertQuote(String in, String exp) {
 		final String r = BOURNE_USER_PATH.quote(in);
 		assertNotSame(in, r);
 		assertFalse(in.equals(r));
 		assertEquals('\'' + exp + '\'', r);
 	}
 
-	private static void assertDequote(final String exp, final String in) {
+	private static void assertDequote(String exp, String in) {
 		final byte[] b = Constants.encode('\'' + in + '\'');
 		final String r = BOURNE_USER_PATH.dequote(b, 0, b.length);
 		assertEquals(exp, r);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringGitPathStyleTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringGitPathStyleTest.java
index a6f3345..9a0c96e 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringGitPathStyleTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/QuotedStringGitPathStyleTest.java
@@ -54,14 +54,14 @@
 import org.junit.Test;
 
 public class QuotedStringGitPathStyleTest {
-	private static void assertQuote(final String exp, final String in) {
+	private static void assertQuote(String exp, String in) {
 		final String r = GIT_PATH.quote(in);
 		assertNotSame(in, r);
 		assertFalse(in.equals(r));
 		assertEquals('"' + exp + '"', r);
 	}
 
-	private static void assertDequote(final String exp, final String in) {
+	private static void assertDequote(String exp, String in) {
 		final byte[] b = ('"' + in + '"').getBytes(ISO_8859_1);
 		final String r = GIT_PATH.dequote(b, 0, b.length);
 		assertEquals(exp, r);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_HexParseTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_HexParseTest.java
index f5b56e7..f3c046d 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_HexParseTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_HexParseTest.java
@@ -81,7 +81,7 @@
 		assertNotHex('.');
 	}
 
-	private static void assertNotHex(final char c) {
+	private static void assertNotHex(char c) {
 		try {
 			RawParseUtils.parseHexInt4((byte) c);
 			fail("Incorrectly acccepted " + c);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
index 0243798..7630c11 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawParseUtils_LineMapTest.java
@@ -47,18 +47,25 @@
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertNotNull;
 
+import org.eclipse.jgit.errors.BinaryBlobException;
+import org.junit.Rule;
 import org.junit.Test;
+import org.junit.rules.ExpectedException;
 
 public class RawParseUtils_LineMapTest {
+	@Rule
+	public ExpectedException exception = ExpectedException.none();
+
+
 	@Test
-	public void testEmpty() {
+	public void testEmpty() throws Exception {
 		final IntList map = RawParseUtils.lineMap(new byte[] {}, 0, 0);
 		assertNotNull(map);
 		assertArrayEquals(new int[]{Integer.MIN_VALUE, 0}, asInts(map));
 	}
 
 	@Test
-	public void testOneBlankLine() {
+	public void testOneBlankLine() throws Exception  {
 		final IntList map = RawParseUtils.lineMap(new byte[] { '\n' }, 0, 1);
 		assertArrayEquals(new int[]{Integer.MIN_VALUE, 0, 1}, asInts(map));
 	}
@@ -85,6 +92,13 @@
 	}
 
 	@Test
+	public void testLineMapOrBinary() throws Exception {
+		final byte[] buf = "xxxfoo\nb\0ar".getBytes(ISO_8859_1);
+		exception.expect(BinaryBlobException.class);
+		RawParseUtils.lineMapOrBinary(buf, 3, buf.length);
+	}
+
+	@Test
 	public void testFourLineBlanks() {
 		final byte[] buf = "foo\n\n\nbar\n".getBytes(ISO_8859_1);
 		final IntList map = RawParseUtils.lineMap(buf, 0, buf.length);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawSubStringPatternTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawSubStringPatternTest.java
index e8566d2..a748b52 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawSubStringPatternTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RawSubStringPatternTest.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.util;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 
@@ -93,7 +93,7 @@
 	}
 
 	private static RawCharSequence raw(String text) {
-		byte[] bytes = text.getBytes(UTF_8);
+		byte[] bytes = text.getBytes(CHARSET);
 		return new RawCharSequence(bytes, 0, bytes.length);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefListTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefListTest.java
index 5a1468a..d124d73 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefListTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/RefListTest.java
@@ -456,7 +456,7 @@
 		return b.toRefList();
 	}
 
-	private static Ref newRef(final String name) {
+	private static Ref newRef(String name) {
 		return new ObjectIdRef.Unpeeled(Ref.Storage.LOOSE, name, ID);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
index d978804..edcce12 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/TemporaryBufferTest.java
@@ -61,6 +61,7 @@
 public class TemporaryBufferTest {
 	@Test
 	public void testEmpty() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		try {
 			b.close();
@@ -75,6 +76,7 @@
 
 	@Test
 	public void testOneByte() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte test = (byte) new TestRng(getName()).nextInt();
 		try {
@@ -87,10 +89,8 @@
 				assertEquals(1, r.length);
 				assertEquals(test, r[0]);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(1, r.length);
 				assertEquals(test, r[0]);
@@ -102,6 +102,7 @@
 
 	@Test
 	public void testOneBlock_BulkWrite() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.Block.SZ);
@@ -118,10 +119,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -133,6 +132,7 @@
 
 	@Test
 	public void testOneBlockAndHalf_BulkWrite() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
@@ -149,10 +149,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -164,6 +162,7 @@
 
 	@Test
 	public void testOneBlockAndHalf_SingleWrite() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
@@ -178,10 +177,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -193,6 +190,7 @@
 
 	@Test
 	public void testOneBlockAndHalf_Copy() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.Block.SZ * 3 / 2);
@@ -208,10 +206,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -223,6 +219,7 @@
 
 	@Test
 	public void testLarge_SingleWrite() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 3);
@@ -236,10 +233,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -253,18 +248,18 @@
 	public void testInCoreInputStream() throws IOException {
 		final int cnt = 256;
 		final byte[] test = new TestRng(getName()).nextBytes(cnt);
-		final TemporaryBuffer.Heap b = new TemporaryBuffer.Heap(cnt + 4);
-		b.write(test);
-		b.close();
-
-		InputStream in = b.openInputStream();
-		byte[] act = new byte[cnt];
-		IO.readFully(in, act, 0, cnt);
-		assertArrayEquals(test, act);
+		try (TemporaryBuffer.Heap b = new TemporaryBuffer.Heap(cnt + 4)) {
+			b.write(test);
+			InputStream in = b.openInputStream();
+			byte[] act = new byte[cnt];
+			IO.readFully(in, act, 0, cnt);
+			assertArrayEquals(test, act);
+		}
 	}
 
 	@Test
 	public void testInCoreLimit_SwitchOnAppendByte() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT + 1);
@@ -279,10 +274,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -294,6 +287,7 @@
 
 	@Test
 	public void testInCoreLimit_SwitchBeforeAppendByte() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 3);
@@ -308,10 +302,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -323,6 +315,7 @@
 
 	@Test
 	public void testInCoreLimit_SwitchOnCopy() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final byte[] test = new TestRng(getName())
 				.nextBytes(TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2);
@@ -340,10 +333,8 @@
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(test.length, r.length);
 				assertArrayEquals(test, r);
@@ -355,7 +346,7 @@
 
 	@Test
 	public void testDestroyWhileOpen() throws IOException {
-		@SuppressWarnings("resource" /* java 7 */)
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		try {
 			b.write(new TestRng(getName())
@@ -367,6 +358,7 @@
 
 	@Test
 	public void testRandomWrites() throws IOException {
+		@SuppressWarnings("resource") // Buffer is explicitly destroyed in finally block
 		final TemporaryBuffer b = new TemporaryBuffer.LocalFile(null);
 		final TestRng rng = new TestRng(getName());
 		final int max = TemporaryBuffer.DEFAULT_IN_CORE_LIMIT * 2;
@@ -399,10 +391,8 @@
 				assertEquals(expect.length, r.length);
 				assertArrayEquals(expect, r);
 			}
-			{
-				final ByteArrayOutputStream o = new ByteArrayOutputStream();
+			try (ByteArrayOutputStream o = new ByteArrayOutputStream()) {
 				b.writeTo(o, null);
-				o.close();
 				final byte[] r = o.toByteArray();
 				assertEquals(expect.length, r.length);
 				assertArrayEquals(expect, r);
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoCRLFOutputStreamTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoCRLFOutputStreamTest.java
index a72d33c..0655827 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoCRLFOutputStreamTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoCRLFOutputStreamTest.java
@@ -96,32 +96,31 @@
 		for (int i = -4; i < 5; ++i) {
 			int size = Math.abs(i);
 			byte[] buf = new byte[size];
-			InputStream in = new ByteArrayInputStream(inbytes);
-			ByteArrayOutputStream bos = new ByteArrayOutputStream();
-			OutputStream out = new AutoCRLFOutputStream(bos);
-			if (i > 0) {
-				int n;
-				while ((n = in.read(buf)) >= 0) {
-					out.write(buf, 0, n);
+			try (InputStream in = new ByteArrayInputStream(inbytes);
+					ByteArrayOutputStream bos = new ByteArrayOutputStream();
+					OutputStream out = new AutoCRLFOutputStream(bos)) {
+				if (i > 0) {
+					int n;
+					while ((n = in.read(buf)) >= 0) {
+						out.write(buf, 0, n);
+					}
+				} else if (i < 0) {
+					int n;
+					while ((n = in.read(buf)) >= 0) {
+						byte[] b = new byte[n];
+						System.arraycopy(buf, 0, b, 0, n);
+						out.write(b);
+					}
+				} else {
+					int c;
+					while ((c = in.read()) != -1)
+						out.write(c);
 				}
-			} else if (i < 0) {
-				int n;
-				while ((n = in.read(buf)) >= 0) {
-					byte[] b = new byte[n];
-					System.arraycopy(buf, 0, b, 0, n);
-					out.write(b);
-				}
-			} else {
-				int c;
-				while ((c = in.read()) != -1)
-					out.write(c);
+				out.flush();
+				byte[] actualBytes = bos.toByteArray();
+				Assert.assertEquals("bufsize=" + size, encode(expectBytes),
+						encode(actualBytes));
 			}
-			out.flush();
-			in.close();
-			out.close();
-			byte[] actualBytes = bos.toByteArray();
-			Assert.assertEquals("bufsize=" + size, encode(expectBytes),
-					encode(actualBytes));
 		}
 	}
 
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoLFInputStreamTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoLFInputStreamTest.java
index 38199d8..5058165 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoLFInputStreamTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/AutoLFInputStreamTest.java
@@ -44,7 +44,7 @@
 
 package org.eclipse.jgit.util.io;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 
 import java.io.ByteArrayInputStream;
@@ -97,38 +97,41 @@
 
 	private static void test(byte[] input, byte[] expected,
 			boolean detectBinary) throws IOException {
-		final InputStream bis1 = new ByteArrayInputStream(input);
-		final InputStream cis1 = new AutoLFInputStream(bis1, detectBinary);
-		int index1 = 0;
-		for (int b = cis1.read(); b != -1; b = cis1.read()) {
-			assertEquals(expected[index1], (byte) b);
-			index1++;
-		}
-
-		assertEquals(expected.length, index1);
-
-		for (int bufferSize = 1; bufferSize < 10; bufferSize++) {
-			final byte[] buffer = new byte[bufferSize];
-			final InputStream bis2 = new ByteArrayInputStream(input);
-			final InputStream cis2 = new AutoLFInputStream(bis2, detectBinary);
-
-			int read = 0;
-			for (int readNow = cis2.read(buffer, 0, buffer.length); readNow != -1
-					&& read < expected.length; readNow = cis2.read(buffer, 0,
-					buffer.length)) {
-				for (int index2 = 0; index2 < readNow; index2++) {
-					assertEquals(expected[read + index2], buffer[index2]);
-				}
-				read += readNow;
+		try (InputStream bis1 = new ByteArrayInputStream(input);
+				InputStream cis1 = new AutoLFInputStream(bis1, detectBinary)) {
+			int index1 = 0;
+			for (int b = cis1.read(); b != -1; b = cis1.read()) {
+				assertEquals(expected[index1], (byte) b);
+				index1++;
 			}
 
-			assertEquals(expected.length, read);
-			cis2.close();
+			assertEquals(expected.length, index1);
+
+			for (int bufferSize = 1; bufferSize < 10; bufferSize++) {
+				final byte[] buffer = new byte[bufferSize];
+				try (InputStream bis2 = new ByteArrayInputStream(input);
+						InputStream cis2 = new AutoLFInputStream(bis2,
+								detectBinary)) {
+
+					int read = 0;
+					for (int readNow = cis2.read(buffer, 0,
+							buffer.length); readNow != -1
+									&& read < expected.length; readNow = cis2
+											.read(buffer, 0, buffer.length)) {
+						for (int index2 = 0; index2 < readNow; index2++) {
+							assertEquals(expected[read + index2],
+									buffer[index2]);
+						}
+						read += readNow;
+					}
+
+					assertEquals(expected.length, read);
+				}
+			}
 		}
-		cis1.close();
 	}
 
 	private static byte[] asBytes(String in) {
-		return in.getBytes(UTF_8);
+		return in.getBytes(CHARSET);
 	}
 }
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/UnionInputStreamTest.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/UnionInputStreamTest.java
index 6b5ef7e..b824fae 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/UnionInputStreamTest.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/io/UnionInputStreamTest.java
@@ -58,13 +58,13 @@
 public class UnionInputStreamTest {
 	@Test
 	public void testEmptyStream() throws IOException {
-		final UnionInputStream u = new UnionInputStream();
-		assertTrue(u.isEmpty());
-		assertEquals(-1, u.read());
-		assertEquals(-1, u.read(new byte[1], 0, 1));
-		assertEquals(0, u.available());
-		assertEquals(0, u.skip(1));
-		u.close();
+		try (UnionInputStream u = new UnionInputStream()) {
+			assertTrue(u.isEmpty());
+			assertEquals(-1, u.read());
+			assertEquals(-1, u.read(new byte[1], 0, 1));
+			assertEquals(0, u.available());
+			assertEquals(0, u.skip(1));
+		}
 	}
 
 	@Test
@@ -211,25 +211,24 @@
 
 	@Test
 	public void testCloseDuringClose() throws IOException {
-		final UnionInputStream u = new UnionInputStream();
 		final boolean closed[] = new boolean[2];
-		u.add(new ByteArrayInputStream(new byte[] { 1 }) {
-			@Override
-			public void close() {
-				closed[0] = true;
-			}
-		});
-		u.add(new ByteArrayInputStream(new byte[] { 2 }) {
-			@Override
-			public void close() {
-				closed[1] = true;
-			}
-		});
+		try (UnionInputStream u = new UnionInputStream()) {
+			u.add(new ByteArrayInputStream(new byte[] { 1 }) {
+				@Override
+				public void close() {
+					closed[0] = true;
+				}
+			});
+			u.add(new ByteArrayInputStream(new byte[] { 2 }) {
+				@Override
+				public void close() {
+					closed[1] = true;
+				}
+			});
 
-		assertFalse(closed[0]);
-		assertFalse(closed[1]);
-
-		u.close();
+			assertFalse(closed[0]);
+			assertFalse(closed[1]);
+		}
 
 		assertTrue(closed[0]);
 		assertTrue(closed[1]);
@@ -237,6 +236,7 @@
 
 	@Test
 	public void testExceptionDuringClose() {
+		@SuppressWarnings("resource") // We are testing the close() method
 		final UnionInputStream u = new UnionInputStream();
 		u.add(new ByteArrayInputStream(new byte[] { 1 }) {
 			@Override
diff --git a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/sha1/SHA1Test.java b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/sha1/SHA1Test.java
index e6045a9..3c612e1 100644
--- a/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/sha1/SHA1Test.java
+++ b/org.eclipse.jgit.test/tst/org/eclipse/jgit/util/sha1/SHA1Test.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.util.sha1;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
@@ -95,15 +95,15 @@
 				.fromString("a9993e364706816aba3e25717850c26c9cd0d89d");
 
 		MessageDigest m = MessageDigest.getInstance("SHA-1");
-		m.update(TEST1.getBytes(UTF_8));
+		m.update(TEST1.getBytes(CHARSET));
 		ObjectId m1 = ObjectId.fromRaw(m.digest());
 
 		SHA1 s = SHA1.newInstance();
-		s.update(TEST1.getBytes(UTF_8));
+		s.update(TEST1.getBytes(CHARSET));
 		ObjectId s1 = ObjectId.fromRaw(s.digest());
 
 		s.reset();
-		s.update(TEST1.getBytes(UTF_8));
+		s.update(TEST1.getBytes(CHARSET));
 		ObjectId s2 = s.toObjectId();
 
 		assertEquals(m1, s1);
@@ -117,15 +117,15 @@
 				.fromString("84983e441c3bd26ebaae4aa1f95129e5e54670f1");
 
 		MessageDigest m = MessageDigest.getInstance("SHA-1");
-		m.update(TEST2.getBytes(UTF_8));
+		m.update(TEST2.getBytes(CHARSET));
 		ObjectId m1 = ObjectId.fromRaw(m.digest());
 
 		SHA1 s = SHA1.newInstance();
-		s.update(TEST2.getBytes(UTF_8));
+		s.update(TEST2.getBytes(CHARSET));
 		ObjectId s1 = ObjectId.fromRaw(s.digest());
 
 		s.reset();
-		s.update(TEST2.getBytes(UTF_8));
+		s.update(TEST2.getBytes(CHARSET));
 		ObjectId s2 = s.toObjectId();
 
 		assertEquals(m1, s1);
diff --git a/org.eclipse.jgit.ui/.settings/.api_filters b/org.eclipse.jgit.ui/.settings/.api_filters
new file mode 100644
index 0000000..b4788ba
--- /dev/null
+++ b/org.eclipse.jgit.ui/.settings/.api_filters
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<component id="org.eclipse.jgit.ui" version="2">
+    <resource path="META-INF/MANIFEST.MF">
+        <filter id="925892614">
+            <message_arguments>
+                <message_argument value="5.0.4"/>
+                <message_argument value="4.11.0"/>
+            </message_arguments>
+        </filter>
+    </resource>
+</component>
diff --git a/org.eclipse.jgit.ui/META-INF/MANIFEST.MF b/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
index f611d1e..7667af4 100644
--- a/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit.ui/META-INF/MANIFEST.MF
@@ -4,14 +4,14 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit.ui
 Bundle-SymbolicName: org.eclipse.jgit.ui
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Vendor: %provider_name
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
-Export-Package: org.eclipse.jgit.awtui;version="4.11.10"
-Import-Package: org.eclipse.jgit.errors;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.lib;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.nls;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revplot;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.revwalk;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.transport;version="[4.11.10,4.12.0)",
- org.eclipse.jgit.util;version="[4.11.10,4.12.0)"
+Export-Package: org.eclipse.jgit.awtui;version="5.0.4"
+Import-Package: org.eclipse.jgit.errors;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.lib;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.nls;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revplot;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.revwalk;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.transport;version="[5.0.4,5.1.0)",
+ org.eclipse.jgit.util;version="[5.0.4,5.1.0)"
diff --git a/org.eclipse.jgit.ui/pom.xml b/org.eclipse.jgit.ui/pom.xml
index 016d033..7d10c09 100644
--- a/org.eclipse.jgit.ui/pom.xml
+++ b/org.eclipse.jgit.ui/pom.xml
@@ -52,7 +52,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit.ui</artifactId>
diff --git a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AWTPlotRenderer.java b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AWTPlotRenderer.java
index bccf0c0..b1fffd8 100644
--- a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AWTPlotRenderer.java
+++ b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/AWTPlotRenderer.java
@@ -66,11 +66,11 @@
 
 	transient Graphics2D g;
 
-	AWTPlotRenderer(final GraphCellRender c) {
+	AWTPlotRenderer(GraphCellRender c) {
 		cell = c;
 	}
 
-	void paint(final Graphics in, final PlotCommit<SwingLane> commit) {
+	void paint(Graphics in, PlotCommit<SwingLane> commit) {
 		g = (Graphics2D) in.create();
 		try {
 			final int h = cell.getHeight();
@@ -125,7 +125,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void drawText(final String msg, final int x, final int y) {
+	protected void drawText(String msg, int x, int y) {
 		final int texth = g.getFontMetrics().getHeight();
 		final int y0 = (y - texth) / 2 + (cell.getHeight() - texth) / 2;
 		g.setColor(cell.getForeground());
@@ -134,11 +134,11 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected Color laneColor(final SwingLane myLane) {
+	protected Color laneColor(SwingLane myLane) {
 		return myLane != null ? myLane.color : Color.black;
 	}
 
-	void paintTriangleDown(final int cx, final int y, final int h) {
+	void paintTriangleDown(int cx, int y, int h) {
 		final int tipX = cx;
 		final int tipY = y + h;
 		final int baseX1 = cx - 10 / 2;
diff --git a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/CommitGraphPane.java b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/CommitGraphPane.java
index d122a77..943a325 100644
--- a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/CommitGraphPane.java
+++ b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/CommitGraphPane.java
@@ -114,7 +114,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void setModel(final TableModel dataModel) {
+	public void setModel(TableModel dataModel) {
 		if (dataModel != null && !(dataModel instanceof CommitTableModel))
 			throw new ClassCastException(UIText.get().mustBeSpecialTableModel);
 		super.setModel(dataModel);
@@ -161,7 +161,7 @@
 		}
 
 		@Override
-		public Object getValueAt(final int rowIndex, final int columnIndex) {
+		public Object getValueAt(int rowIndex, int columnIndex) {
 			final PlotCommit<SwingLane> c = allCommits.get(rowIndex);
 			switch (columnIndex) {
 			case 0:
@@ -175,7 +175,7 @@
 			}
 		}
 
-		PersonIdent authorFor(final PlotCommit<SwingLane> c) {
+		PersonIdent authorFor(PlotCommit<SwingLane> c) {
 			if (c != lastCommit) {
 				lastCommit = c;
 				lastAuthor = c.getAuthorIdent();
@@ -244,7 +244,7 @@
 		}
 
 		@Override
-		protected void paintComponent(final Graphics inputGraphics) {
+		protected void paintComponent(Graphics inputGraphics) {
 			if (inputGraphics == null)
 				return;
 			renderer.paint(inputGraphics, commit);
@@ -259,7 +259,7 @@
 			strokeCache[i] = new BasicStroke(i);
 	}
 
-	static Stroke stroke(final int width) {
+	static Stroke stroke(int width) {
 		if (width < strokeCache.length)
 			return strokeCache[width];
 		return new BasicStroke(width);
diff --git a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/SwingCommitList.java b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/SwingCommitList.java
index 743eb78..10519ca 100644
--- a/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/SwingCommitList.java
+++ b/org.eclipse.jgit.ui/src/org/eclipse/jgit/awtui/SwingCommitList.java
@@ -79,7 +79,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void recycleLane(final SwingLane lane) {
+	protected void recycleLane(SwingLane lane) {
 		colors.add(lane.color);
 	}
 
diff --git a/org.eclipse.jgit/.settings/.api_filters b/org.eclipse.jgit/.settings/.api_filters
index 304fab0..404b45d 100644
--- a/org.eclipse.jgit/.settings/.api_filters
+++ b/org.eclipse.jgit/.settings/.api_filters
@@ -1,13 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <component id="org.eclipse.jgit" version="2">
-    <resource path="src/org/eclipse/jgit/diff/DiffEntry.java" type="org.eclipse.jgit.diff.DiffEntry">
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.diff.DiffEntry"/>
-                <message_argument value="diffAttribute"/>
-            </message_arguments>
-        </filter>
-    </resource>
     <resource path="src/org/eclipse/jgit/errors/PackInvalidException.java" type="org.eclipse.jgit.errors.PackInvalidException">
         <filter id="1142947843">
             <message_arguments>
@@ -22,25 +14,11 @@
             </message_arguments>
         </filter>
     </resource>
-    <resource path="src/org/eclipse/jgit/lib/ConfigConstants.java" type="org.eclipse.jgit.lib.ConfigConstants">
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lib.ConfigConstants"/>
-                <message_argument value="CONFIG_KEY_REQUIRED"/>
-            </message_arguments>
-        </filter>
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.lib.ConfigConstants"/>
-                <message_argument value="CONFIG_SECTION_LFS"/>
-            </message_arguments>
-        </filter>
-    </resource>
     <resource path="src/org/eclipse/jgit/lib/Constants.java" type="org.eclipse.jgit.lib.Constants">
         <filter id="1141899266">
             <message_arguments>
                 <message_argument value="4.7"/>
-                <message_argument value="4.11"/>
+                <message_argument value="5.0"/>
                 <message_argument value="LOCK_SUFFIX"/>
             </message_arguments>
         </filter>
@@ -61,37 +39,19 @@
             </message_arguments>
         </filter>
     </resource>
-    <resource path="src/org/eclipse/jgit/merge/ResolveMerger.java" type="org.eclipse.jgit.merge.ResolveMerger">
-        <filter id="336658481">
+    <resource path="src/org/eclipse/jgit/lib/ObjectIdSerializer.java" type="org.eclipse.jgit.lib.ObjectIdSerializer">
+        <filter id="1141899266">
             <message_arguments>
-                <message_argument value="org.eclipse.jgit.merge.ResolveMerger"/>
-                <message_argument value="workingTreeOptions"/>
+                <message_argument value="4.11"/>
+                <message_argument value="5.0"/>
+                <message_argument value="readWithoutMarker(InputStream)"/>
             </message_arguments>
         </filter>
-    </resource>
-    <resource path="src/org/eclipse/jgit/storage/pack/PackStatistics.java" type="org.eclipse.jgit.storage.pack.PackStatistics$Accumulator">
-        <filter id="336658481">
+        <filter id="1141899266">
             <message_arguments>
-                <message_argument value="org.eclipse.jgit.storage.pack.PackStatistics.Accumulator"/>
-                <message_argument value="advertised"/>
-            </message_arguments>
-        </filter>
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.storage.pack.PackStatistics.Accumulator"/>
-                <message_argument value="haves"/>
-            </message_arguments>
-        </filter>
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.storage.pack.PackStatistics.Accumulator"/>
-                <message_argument value="timeNegotiating"/>
-            </message_arguments>
-        </filter>
-        <filter id="336658481">
-            <message_arguments>
-                <message_argument value="org.eclipse.jgit.storage.pack.PackStatistics.Accumulator"/>
-                <message_argument value="wants"/>
+                <message_argument value="4.11"/>
+                <message_argument value="5.0"/>
+                <message_argument value="writeWithoutMarker(OutputStream, AnyObjectId)"/>
             </message_arguments>
         </filter>
     </resource>
@@ -99,7 +59,7 @@
         <filter id="1141899266">
             <message_arguments>
                 <message_argument value="4.7"/>
-                <message_argument value="4.11"/>
+                <message_argument value="5.0"/>
                 <message_argument value="createNewFileAtomic(File)"/>
             </message_arguments>
         </filter>
@@ -114,7 +74,7 @@
         <filter id="1141899266">
             <message_arguments>
                 <message_argument value="4.7"/>
-                <message_argument value="4.11"/>
+                <message_argument value="5.0"/>
                 <message_argument value="LockToken"/>
             </message_arguments>
         </filter>
diff --git a/org.eclipse.jgit/META-INF/MANIFEST.MF b/org.eclipse.jgit/META-INF/MANIFEST.MF
index b3d096a..a8114d9 100644
--- a/org.eclipse.jgit/META-INF/MANIFEST.MF
+++ b/org.eclipse.jgit/META-INF/MANIFEST.MF
@@ -3,12 +3,12 @@
 Bundle-Name: %plugin_name
 Automatic-Module-Name: org.eclipse.jgit
 Bundle-SymbolicName: org.eclipse.jgit
-Bundle-Version: 4.11.10.qualifier
+Bundle-Version: 5.0.4.qualifier
 Bundle-Localization: plugin
 Bundle-Vendor: %provider_name
 Bundle-ActivationPolicy: lazy
-Export-Package: org.eclipse.jgit.annotations;version="4.11.10",
- org.eclipse.jgit.api;version="4.11.10";
+Export-Package: org.eclipse.jgit.annotations;version="5.0.4",
+ org.eclipse.jgit.api;version="5.0.4";
   uses:="org.eclipse.jgit.revwalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.diff,
@@ -22,52 +22,52 @@
    org.eclipse.jgit.submodule,
    org.eclipse.jgit.transport,
    org.eclipse.jgit.merge",
- org.eclipse.jgit.api.errors;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.errors",
- org.eclipse.jgit.attributes;version="4.11.10",
- org.eclipse.jgit.blame;version="4.11.10";
+ org.eclipse.jgit.api.errors;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.errors",
+ org.eclipse.jgit.attributes;version="5.0.4",
+ org.eclipse.jgit.blame;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.diff",
- org.eclipse.jgit.diff;version="4.11.10";
+ org.eclipse.jgit.diff;version="5.0.4";
   uses:="org.eclipse.jgit.patch,
    org.eclipse.jgit.lib,
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.util",
- org.eclipse.jgit.dircache;version="4.11.10";
+ org.eclipse.jgit.dircache;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.util,
    org.eclipse.jgit.events,
    org.eclipse.jgit.attributes",
- org.eclipse.jgit.errors;version="4.11.10";
+ org.eclipse.jgit.errors;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.internal.storage.pack,
    org.eclipse.jgit.transport,
    org.eclipse.jgit.dircache",
- org.eclipse.jgit.events;version="4.11.10";uses:="org.eclipse.jgit.lib",
- org.eclipse.jgit.fnmatch;version="4.11.10",
- org.eclipse.jgit.gitrepo;version="4.11.10";
+ org.eclipse.jgit.events;version="5.0.4";uses:="org.eclipse.jgit.lib",
+ org.eclipse.jgit.fnmatch;version="5.0.4",
+ org.eclipse.jgit.gitrepo;version="5.0.4";
   uses:="org.eclipse.jgit.api,
    org.eclipse.jgit.lib,
    org.eclipse.jgit.revwalk,
    org.xml.sax.helpers,
    org.xml.sax",
- org.eclipse.jgit.gitrepo.internal;version="4.11.10";x-internal:=true,
- org.eclipse.jgit.hooks;version="4.11.10";uses:="org.eclipse.jgit.lib",
- org.eclipse.jgit.ignore;version="4.11.10",
- org.eclipse.jgit.ignore.internal;version="4.11.10";x-friends:="org.eclipse.jgit.test",
- org.eclipse.jgit.internal;version="4.11.10";x-friends:="org.eclipse.jgit.test,org.eclipse.jgit.http.test",
- org.eclipse.jgit.internal.fsck;version="4.11.10";x-friends:="org.eclipse.jgit.test",
- org.eclipse.jgit.internal.ketch;version="4.11.10";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
- org.eclipse.jgit.internal.storage.dfs;version="4.11.10";
+ org.eclipse.jgit.gitrepo.internal;version="5.0.4";x-internal:=true,
+ org.eclipse.jgit.hooks;version="5.0.4";uses:="org.eclipse.jgit.lib",
+ org.eclipse.jgit.ignore;version="5.0.4",
+ org.eclipse.jgit.ignore.internal;version="5.0.4";x-friends:="org.eclipse.jgit.test",
+ org.eclipse.jgit.internal;version="5.0.4";x-friends:="org.eclipse.jgit.test,org.eclipse.jgit.http.test",
+ org.eclipse.jgit.internal.fsck;version="5.0.4";x-friends:="org.eclipse.jgit.test",
+ org.eclipse.jgit.internal.ketch;version="5.0.4";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
+ org.eclipse.jgit.internal.storage.dfs;version="5.0.4";
   x-friends:="org.eclipse.jgit.test,
    org.eclipse.jgit.http.server,
    org.eclipse.jgit.http.test,
    org.eclipse.jgit.lfs.test",
- org.eclipse.jgit.internal.storage.file;version="4.11.10";
+ org.eclipse.jgit.internal.storage.file;version="5.0.4";
   x-friends:="org.eclipse.jgit.test,
    org.eclipse.jgit.junit,
    org.eclipse.jgit.junit.http,
@@ -75,12 +75,12 @@
    org.eclipse.jgit.lfs,
    org.eclipse.jgit.pgm,
    org.eclipse.jgit.pgm.test",
- org.eclipse.jgit.internal.storage.io;version="4.11.10";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
- org.eclipse.jgit.internal.storage.pack;version="4.11.10";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
- org.eclipse.jgit.internal.storage.reftable;version="4.11.10";
+ org.eclipse.jgit.internal.storage.io;version="5.0.4";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
+ org.eclipse.jgit.internal.storage.pack;version="5.0.4";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
+ org.eclipse.jgit.internal.storage.reftable;version="5.0.4";
   x-friends:="org.eclipse.jgit.http.test,org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
- org.eclipse.jgit.internal.storage.reftree;version="4.11.10";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
- org.eclipse.jgit.lib;version="4.11.10";
+ org.eclipse.jgit.internal.storage.reftree;version="5.0.4";x-friends:="org.eclipse.jgit.junit,org.eclipse.jgit.test,org.eclipse.jgit.pgm",
+ org.eclipse.jgit.lib;version="5.0.4";
   uses:="org.eclipse.jgit.revwalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.util,
@@ -90,33 +90,33 @@
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.transport,
    org.eclipse.jgit.submodule",
- org.eclipse.jgit.lib.internal;version="4.11.10";x-internal:=true,
- org.eclipse.jgit.merge;version="4.11.10";
+ org.eclipse.jgit.lib.internal;version="5.0.4";x-internal:=true,
+ org.eclipse.jgit.merge;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.diff,
    org.eclipse.jgit.dircache,
    org.eclipse.jgit.api",
- org.eclipse.jgit.nls;version="4.11.10",
- org.eclipse.jgit.notes;version="4.11.10";
+ org.eclipse.jgit.nls;version="5.0.4",
+ org.eclipse.jgit.notes;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.merge",
- org.eclipse.jgit.patch;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.diff",
- org.eclipse.jgit.revplot;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.revwalk",
- org.eclipse.jgit.revwalk;version="4.11.10";
+ org.eclipse.jgit.patch;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.diff",
+ org.eclipse.jgit.revplot;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.revwalk",
+ org.eclipse.jgit.revwalk;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.treewalk,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.diff,
    org.eclipse.jgit.revwalk.filter",
- org.eclipse.jgit.revwalk.filter;version="4.11.10";uses:="org.eclipse.jgit.revwalk,org.eclipse.jgit.lib,org.eclipse.jgit.util",
- org.eclipse.jgit.storage.file;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.util",
- org.eclipse.jgit.storage.pack;version="4.11.10";uses:="org.eclipse.jgit.lib",
- org.eclipse.jgit.submodule;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.treewalk.filter,org.eclipse.jgit.treewalk",
- org.eclipse.jgit.transport;version="4.11.10";
+ org.eclipse.jgit.revwalk.filter;version="5.0.4";uses:="org.eclipse.jgit.revwalk,org.eclipse.jgit.lib,org.eclipse.jgit.util",
+ org.eclipse.jgit.storage.file;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.util",
+ org.eclipse.jgit.storage.pack;version="5.0.4";uses:="org.eclipse.jgit.lib",
+ org.eclipse.jgit.submodule;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.treewalk.filter,org.eclipse.jgit.treewalk",
+ org.eclipse.jgit.transport;version="5.0.4";
   uses:="org.eclipse.jgit.transport.resolver,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.internal.storage.pack,
@@ -128,24 +128,24 @@
    org.eclipse.jgit.transport.http,
    org.eclipse.jgit.errors,
    org.eclipse.jgit.storage.pack",
- org.eclipse.jgit.transport.http;version="4.11.10";uses:="javax.net.ssl",
- org.eclipse.jgit.transport.resolver;version="4.11.10";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.transport",
- org.eclipse.jgit.treewalk;version="4.11.10";
+ org.eclipse.jgit.transport.http;version="5.0.4";uses:="javax.net.ssl",
+ org.eclipse.jgit.transport.resolver;version="5.0.4";uses:="org.eclipse.jgit.lib,org.eclipse.jgit.transport",
+ org.eclipse.jgit.treewalk;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.revwalk,
    org.eclipse.jgit.attributes,
    org.eclipse.jgit.treewalk.filter,
    org.eclipse.jgit.util,
    org.eclipse.jgit.dircache",
- org.eclipse.jgit.treewalk.filter;version="4.11.10";uses:="org.eclipse.jgit.treewalk",
- org.eclipse.jgit.util;version="4.11.10";
+ org.eclipse.jgit.treewalk.filter;version="5.0.4";uses:="org.eclipse.jgit.treewalk",
+ org.eclipse.jgit.util;version="5.0.4";
   uses:="org.eclipse.jgit.lib,
    org.eclipse.jgit.transport.http,
    org.eclipse.jgit.storage.file,
    org.ietf.jgss",
- org.eclipse.jgit.util.io;version="4.11.10",
- org.eclipse.jgit.util.sha1;version="4.11.10",
- org.eclipse.jgit.util.time;version="4.11.10"
+ org.eclipse.jgit.util.io;version="5.0.4",
+ org.eclipse.jgit.util.sha1;version="5.0.4",
+ org.eclipse.jgit.util.time;version="5.0.4"
 Bundle-RequiredExecutionEnvironment: JavaSE-1.8
 Import-Package: com.googlecode.javaewah;version="[1.1.6,2.0.0)",
  com.jcraft.jsch;version="[0.1.37,0.2.0)",
diff --git a/org.eclipse.jgit/META-INF/SOURCE-MANIFEST.MF b/org.eclipse.jgit/META-INF/SOURCE-MANIFEST.MF
index 9ed4497..b2d694a 100644
--- a/org.eclipse.jgit/META-INF/SOURCE-MANIFEST.MF
+++ b/org.eclipse.jgit/META-INF/SOURCE-MANIFEST.MF
@@ -3,5 +3,5 @@
 Bundle-Name: org.eclipse.jgit - Sources
 Bundle-SymbolicName: org.eclipse.jgit.source
 Bundle-Vendor: Eclipse.org - JGit
-Bundle-Version: 4.11.10.qualifier
-Eclipse-SourceBundle: org.eclipse.jgit;version="4.11.10.qualifier";roots="."
+Bundle-Version: 5.0.4.qualifier
+Eclipse-SourceBundle: org.eclipse.jgit;version="5.0.4.qualifier";roots="."
diff --git a/org.eclipse.jgit/pom.xml b/org.eclipse.jgit/pom.xml
index a49d426..2b56d0a 100644
--- a/org.eclipse.jgit/pom.xml
+++ b/org.eclipse.jgit/pom.xml
@@ -53,7 +53,7 @@
   <parent>
     <groupId>org.eclipse.jgit</groupId>
     <artifactId>org.eclipse.jgit-parent</artifactId>
-    <version>4.11.10-SNAPSHOT</version>
+    <version>5.0.4-SNAPSHOT</version>
   </parent>
 
   <artifactId>org.eclipse.jgit</artifactId>
diff --git a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
index 815c672..017662d 100644
--- a/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
+++ b/org.eclipse.jgit/resources/org/eclipse/jgit/internal/JGitText.properties
@@ -226,6 +226,8 @@
 credentialUsername=Username
 daemonAlreadyRunning=Daemon already running
 daysAgo={0} days ago
+deepenNotWithDeepen=Cannot combine deepen with deepen-not
+deepenSinceWithDeepen=Cannot combine deepen with deepen-since
 deleteBranchUnexpectedResult=Delete branch returned unexpected result {0}
 deleteFileFailed=Could not delete file {0}
 deleteRequiresZeroNewId=Delete requires new ID to be zero
@@ -311,6 +313,7 @@
 fileModeNotSetForPath=FileMode not set for path {0}
 filterExecutionFailed=Execution of filter command ''{0}'' on file ''{1}'' failed
 filterExecutionFailedRc=Execution of filter command ''{0}'' on file ''{1}'' failed with return code ''{2}'', message on stderr: ''{3}''
+filterRequiresCapability=filter requires server to advertise that capability
 findingGarbage=Finding garbage
 flagIsDisposed={0} is disposed.
 flagNotFromThis={0} not from this.
@@ -362,6 +365,7 @@
 invalidDepth=Invalid depth: {0}
 invalidEncryption=Invalid encryption
 invalidExpandWildcard=ExpandFromSource on a refspec that can have mismatched wildcards does not make sense.
+invalidFilter=Invalid filter: {0}
 invalidGitdirRef = Invalid .git reference in file ''{0}''
 invalidGitModules=Invalid .gitmodules file
 invalidGitType=invalid git type: {0}
@@ -398,6 +402,7 @@
 invalidSystemProperty=Invalid system property ''{0}'': ''{1}''; using default value {2}
 invalidTagOption=Invalid tag option: {0}
 invalidTimeout=Invalid timeout: {0}
+invalidTimestamp=Invalid timestamp in {0}
 invalidTimeUnitValue2=Invalid time unit value: {0}.{1}={2}
 invalidTimeUnitValue3=Invalid time unit value: {0}.{1}.{2}={3}
 invalidTreeZeroLengthName=Cannot append a tree entry with zero-length name
@@ -629,6 +634,7 @@
 sourceRefDoesntResolveToAnyObject=Source ref {0} doesn''t resolve to any object.
 sourceRefNotSpecifiedForRefspec=Source ref not specified for refspec: {0}
 squashCommitNotUpdatingHEAD=Squash commit -- not updating HEAD
+sshCommandFailed=Execution of ssh command ''{0}'' failed with error ''{1}''
 sshUserNameError=Jsch error: failed to set SSH user name correctly to ''{0}''; using ''{1}'' picked up from SSH config file.
 sslFailureExceptionMessage=Secure connection to {0} could not be stablished because of SSL problems
 sslFailureInfo=A secure connection to {0}\ncould not be established because the server''s certificate could not be validated.
@@ -673,6 +679,7 @@
 timeIsUncertain=Time is uncertain
 timerAlreadyTerminated=Timer already terminated
 tooManyCommands=Too many commands
+tooManyFilters=Too many "filter" lines in request
 tooManyIncludeRecursions=Too many recursions; circular includes in config file(s)?
 topologicalSortRequired=Topological sort required.
 transactionAborted=transaction aborted
@@ -716,6 +723,7 @@
 unexpectedEofInPack=Unexpected EOF in partially created pack
 unexpectedHunkTrailer=Unexpected hunk trailer
 unexpectedOddResult=odd: {0} + {1} - {2}
+unexpectedPacketLine=unexpected {0}
 unexpectedRefReport={0}: unexpected ref report: {1}
 unexpectedReportLine=unexpected report line: {0}
 unexpectedReportLine2={0} unexpected report line: {1}
@@ -730,6 +738,7 @@
 unknownObjectType2=unknown
 unknownRepositoryFormat=Unknown repository format
 unknownRepositoryFormat2=Unknown repository format "{0}"; expected "0".
+unknownTransportCommand=unknown command {0}
 unknownZlibError=Unknown zlib error.
 unlockLockFileFailed=Unlocking LockFile ''{0}'' failed
 unmergedPath=Unmerged path: {0}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ArchiveCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ArchiveCommand.java
index 10397f8..27bb5a9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ArchiveCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ArchiveCommand.java
@@ -157,30 +157,6 @@
 		 *
 		 * @param out
 		 *            archive object from createArchiveOutputStream
-		 * @param path
-		 *            full filename relative to the root of the archive (with
-		 *            trailing '/' for directories)
-		 * @param mode
-		 *            mode (for example FileMode.REGULAR_FILE or
-		 *            FileMode.SYMLINK)
-		 * @param loader
-		 *            blob object with data for this entry (null for
-		 *            directories)
-		 * @throws IOException
-		 *             thrown by the underlying output stream for I/O errors
-		 * @deprecated use
-		 *             {@link #putEntry(Closeable, ObjectId, String, FileMode, ObjectLoader)}
-		 *             instead
-		 */
-		@Deprecated
-		void putEntry(T out, String path, FileMode mode,
-					  ObjectLoader loader) throws IOException;
-
-		/**
-		 * Write an entry to an archive.
-		 *
-		 * @param out
-		 *            archive object from createArchiveOutputStream
 		 * @param tree
 		 *            the tag, commit, or tree object to produce an archive for
 		 * @param path
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/CherryPickCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/CherryPickCommand.java
index f45e39e..65b72f7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/CherryPickCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/CherryPickCommand.java
@@ -288,7 +288,7 @@
 	 * @return {@code this}
 	 * @since 3.1
 	 */
-	public CherryPickCommand setReflogPrefix(final String prefix) {
+	public CherryPickCommand setReflogPrefix(String prefix) {
 		this.reflogPrefix = prefix;
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
index 79b0efb..5c06bac 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/CloneCommand.java
@@ -191,12 +191,12 @@
 			throw new InvalidRemoteException(
 					MessageFormat.format(JGitText.get().invalidURL, uri));
 		}
-		Repository repository = null;
+		@SuppressWarnings("resource") // Closed by caller
+		Repository repository = init();
 		FetchResult fetchResult = null;
 		Thread cleanupHook = new Thread(() -> cleanup());
 		Runtime.getRuntime().addShutdownHook(cleanupHook);
 		try {
-			repository = init();
 			fetchResult = fetch(repository, u);
 		} catch (IOException ioe) {
 			if (repository != null) {
@@ -306,7 +306,7 @@
 		return command.call();
 	}
 
-	private List<RefSpec> calculateRefSpecs(final String dst) {
+	private List<RefSpec> calculateRefSpecs(String dst) {
 		RefSpec wcrs = new RefSpec();
 		wcrs = wcrs.setForceUpdate(true);
 		wcrs = wcrs.setSourceDestination(Constants.R_HEADS + "*", dst); //$NON-NLS-1$
@@ -315,7 +315,7 @@
 			specs.add(wcrs);
 		else if (branchesToClone != null
 				&& branchesToClone.size() > 0) {
-			for (final String selectedRef : branchesToClone)
+			for (String selectedRef : branchesToClone)
 				if (wcrs.matchSource(selectedRef))
 					specs.add(wcrs.expandFromSource(selectedRef));
 		}
@@ -386,12 +386,9 @@
 		if (!update.call().isEmpty()) {
 			SubmoduleWalk walk = SubmoduleWalk.forIndex(clonedRepo);
 			while (walk.next()) {
-				Repository subRepo = walk.getRepository();
-				if (subRepo != null) {
-					try {
+				try (Repository subRepo = walk.getRepository()) {
+					if (subRepo != null) {
 						cloneSubmodules(subRepo);
-					} finally {
-						subRepo.close();
 					}
 				}
 			}
@@ -413,7 +410,7 @@
 		}
 
 		Ref foundBranch = null;
-		for (final Ref r : result.getAdvertisedRefs()) {
+		for (Ref r : result.getAdvertisedRefs()) {
 			final String n = r.getName();
 			if (!n.startsWith(Constants.R_HEADS))
 				continue;
@@ -443,11 +440,11 @@
 		clonedRepo.getConfig().save();
 	}
 
-	private RevCommit parseCommit(final Repository clonedRepo, final Ref ref)
+	private RevCommit parseCommit(Repository clonedRepo, Ref ref)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		final RevCommit commit;
-		try (final RevWalk rw = new RevWalk(clonedRepo)) {
+		try (RevWalk rw = new RevWalk(clonedRepo)) {
 			commit = rw.parseCommit(ref.getObjectId());
 		}
 		return commit;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/CommitCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/CommitCommand.java
index f257283..d07532c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/CommitCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/CommitCommand.java
@@ -54,7 +54,7 @@
 
 import org.eclipse.jgit.api.errors.AbortedByHookException;
 import org.eclipse.jgit.api.errors.ConcurrentRefUpdateException;
-import org.eclipse.jgit.api.errors.EmtpyCommitException;
+import org.eclipse.jgit.api.errors.EmptyCommitException;
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
 import org.eclipse.jgit.api.errors.NoFilepatternException;
@@ -238,7 +238,7 @@
 					RevCommit headCommit = rw.parseCommit(headId);
 					headCommit.getTree();
 					if (indexTreeId.equals(headCommit.getTree())) {
-						throw new EmtpyCommitException(
+						throw new EmptyCommitException(
 								JGitText.get().emptyCommit);
 					}
 				}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/CreateBranchCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/CreateBranchCommand.java
index 29baf4c..ba6f3f1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/CreateBranchCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/CreateBranchCommand.java
@@ -43,6 +43,9 @@
  */
 package org.eclipse.jgit.api;
 
+import static org.eclipse.jgit.lib.Constants.HEAD;
+import static org.eclipse.jgit.lib.Constants.R_HEADS;
+
 import java.io.IOException;
 import java.text.MessageFormat;
 
@@ -78,7 +81,7 @@
 
 	private SetupUpstreamMode upstreamMode;
 
-	private String startPoint = Constants.HEAD;
+	private String startPoint = HEAD;
 
 	private RevCommit startCommit;
 
@@ -121,7 +124,7 @@
 		try (RevWalk revWalk = new RevWalk(repo)) {
 			Ref refToCheck = repo.findRef(name);
 			boolean exists = refToCheck != null
-					&& refToCheck.getName().startsWith(Constants.R_HEADS);
+					&& refToCheck.getName().startsWith(R_HEADS);
 			if (!force && exists)
 				throw new RefAlreadyExistsException(MessageFormat.format(
 						JGitText.get().refAlreadyExists1, name));
@@ -153,7 +156,7 @@
 				else
 					refLogMessage = "branch: Created from commit " + baseCommit; //$NON-NLS-1$
 
-			} else if (startPointFullName.startsWith(Constants.R_HEADS)
+			} else if (startPointFullName.startsWith(R_HEADS)
 					|| startPointFullName.startsWith(Constants.R_REMOTES)) {
 				baseBranch = startPointFullName;
 				if (exists)
@@ -171,7 +174,7 @@
 							+ startPointFullName;
 			}
 
-			RefUpdate updateRef = repo.updateRef(Constants.R_HEADS + name);
+			RefUpdate updateRef = repo.updateRef(R_HEADS + name);
 			updateRef.setNewObjectId(startAt);
 			updateRef.setRefLogMessage(refLogMessage, false);
 			Result updateResult;
@@ -279,17 +282,34 @@
 	}
 
 	private String getStartPointOrHead() {
-		return startPoint != null ? startPoint : Constants.HEAD;
+		return startPoint != null ? startPoint : HEAD;
 	}
 
 	private void processOptions() throws InvalidRefNameException {
 		if (name == null
-				|| !Repository.isValidRefName(Constants.R_HEADS + name))
+				|| !Repository.isValidRefName(R_HEADS + name)
+				|| !isValidBranchName(name))
 			throw new InvalidRefNameException(MessageFormat.format(JGitText
 					.get().branchNameInvalid, name == null ? "<null>" : name)); //$NON-NLS-1$
 	}
 
 	/**
+	 * Check if the given branch name is valid
+	 *
+	 * @param branchName
+	 *            branch name to check
+	 * @return {@code true} if the branch name is valid
+	 *
+	 * @since 5.0
+	 */
+	public static boolean isValidBranchName(String branchName) {
+		if (HEAD.equals(branchName)) {
+			return false;
+		}
+		return !branchName.startsWith("-"); //$NON-NLS-1$
+	}
+
+	/**
 	 * Set the name of the new branch
 	 *
 	 * @param name
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/DescribeCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/DescribeCommand.java
index 5bd932d..a484742 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/DescribeCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/DescribeCommand.java
@@ -107,6 +107,11 @@
 	private List<IMatcher> matchers = new ArrayList<>();
 
 	/**
+	 * Whether to use all tags (incl. lightweight) or not
+	 */
+	private boolean useTags = false;
+
+	/**
 	 * Constructor for DescribeCommand.
 	 *
 	 * @param repo
@@ -176,6 +181,22 @@
 		return this;
 	}
 
+	/**
+	 * Instead of using only the annotated tags, use any tag found in refs/tags
+	 * namespace. This option enables matching lightweight (non-annotated) tags
+	 * or not.
+	 *
+	 * @param tags
+	 *            <code>true</code> enables matching lightweight (non-annotated)
+	 *            tags like setting option --tags in c git
+	 * @return {@code this}
+	 * @since 5.0
+	 */
+	public DescribeCommand setTags(boolean tags) {
+		this.useTags = tags;
+		return this;
+	}
+
 	private String longDescription(Ref tag, int depth, ObjectId tip)
 			throws IOException {
 		return String.format(
@@ -243,12 +264,16 @@
 		}
 	}
 
-	private ObjectId getObjectIdFromRef(Ref r) {
-		ObjectId key = repo.peel(r).getPeeledObjectId();
-		if (key == null) {
-			key = r.getObjectId();
+	private ObjectId getObjectIdFromRef(Ref r) throws JGitInternalException {
+		try {
+			ObjectId key = repo.getRefDatabase().peel(r).getPeeledObjectId();
+			if (key == null) {
+				key = r.getObjectId();
+			}
+			return key;
+		} catch (IOException e) {
+			throw new JGitInternalException(e.getMessage(), e);
 		}
-		return key;
 	}
 
 	/**
@@ -261,12 +286,14 @@
 	public String call() throws GitAPIException {
 		try {
 			checkCallable();
-
-			if (target == null)
+			if (target == null) {
 				setTarget(Constants.HEAD);
+			}
 
-			Collection<Ref> tagList = repo.getRefDatabase().getRefs(R_TAGS).values();
+			Collection<Ref> tagList = repo.getRefDatabase()
+					.getRefsByPrefix(R_TAGS);
 			Map<ObjectId, List<Ref>> tags = tagList.stream()
+					.filter(this::filterLightweightTags)
 					.collect(Collectors.groupingBy(this::getObjectIdFromRef));
 
 			// combined flags of all the candidate instances
@@ -390,4 +417,22 @@
 			w.close();
 		}
 	}
+
+	/**
+	 * Whether we use lightweight tags or not for describe Candidates
+	 *
+	 * @param ref
+	 *            reference under inspection
+	 * @return true if it should be used for describe or not regarding
+	 *         {@link org.eclipse.jgit.api.DescribeCommand#useTags}
+	 */
+	@SuppressWarnings("null")
+	private boolean filterLightweightTags(Ref ref) {
+		ObjectId id = ref.getObjectId();
+		try {
+			return this.useTags || (id != null && (w.parseTag(id) != null));
+		} catch (IOException e) {
+			return false;
+		}
+	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
index 5d178bc..73e93a1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/FetchCommand.java
@@ -105,6 +105,8 @@
 
 	private Callback callback;
 
+	private boolean isForceUpdate;
+
 	/**
 	 * Callback for status of fetch operation.
 	 *
@@ -198,7 +200,8 @@
 								.setTagOpt(tagOption)
 								.setCheckFetchedObjects(checkFetchedObjects)
 								.setRemoveDeletedRefs(isRemoveDeletedRefs())
-								.setThin(thin).setRefSpecs(refSpecs)
+								.setThin(thin)
+								.setRefSpecs(applyOptions(refSpecs))
 								.setDryRun(dryRun)
 								.setRecurseSubmodules(recurseMode);
 						configure(f);
@@ -237,8 +240,8 @@
 				transport.setTagOpt(tagOption);
 			transport.setFetchThin(thin);
 			configure(transport);
-
-			FetchResult result = transport.fetch(monitor, refSpecs);
+			FetchResult result = transport.fetch(monitor,
+					applyOptions(refSpecs));
 			if (!repo.isBare()) {
 				fetchSubmodules(result);
 			}
@@ -261,6 +264,17 @@
 
 	}
 
+	private List<RefSpec> applyOptions(List<RefSpec> refSpecs2) {
+		if (!isForceUpdate()) {
+			return refSpecs2;
+		}
+		List<RefSpec> updated = new ArrayList<>(3);
+		for (RefSpec refSpec : refSpecs2) {
+			updated.add(refSpec.setForceUpdate(true));
+		}
+		return updated;
+	}
+
 	/**
 	 * Set the mode to be used for recursing into submodules.
 	 *
@@ -517,4 +531,27 @@
 		this.callback = callback;
 		return this;
 	}
+
+	/**
+	 * Whether fetch --force option is enabled
+	 *
+	 * @return whether refs affected by the fetch are updated forcefully
+	 * @since 5.0
+	 */
+	public boolean isForceUpdate() {
+		return this.isForceUpdate;
+	}
+
+	/**
+	 * Set fetch --force option
+	 *
+	 * @param force
+	 *            whether to update refs affected by the fetch forcefully
+	 * @return this command
+	 * @since 5.0
+	 */
+	public FetchCommand setForceUpdate(boolean force) {
+		this.isForceUpdate = force;
+		return this;
+	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ListBranchCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListBranchCommand.java
index cdae782..28a27a9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ListBranchCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListBranchCommand.java
@@ -187,6 +187,6 @@
 	}
 
 	private Collection<Ref> getRefs(String prefix) throws IOException {
-		return repo.getRefDatabase().getRefs(prefix).values();
+		return repo.getRefDatabase().getRefsByPrefix(prefix);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java
index 9161211..01c1991 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ListTagCommand.java
@@ -47,7 +47,6 @@
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
-import java.util.Map;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
@@ -78,11 +77,11 @@
 	@Override
 	public List<Ref> call() throws GitAPIException {
 		checkCallable();
-		Map<String, Ref> refList;
 		List<Ref> tags = new ArrayList<>();
 		try (RevWalk revWalk = new RevWalk(repo)) {
-			refList = repo.getRefDatabase().getRefs(Constants.R_TAGS);
-			for (Ref ref : refList.values()) {
+			List<Ref> refList = repo.getRefDatabase()
+					.getRefsByPrefix(Constants.R_TAGS);
+			for (Ref ref : refList) {
 				tags.add(ref);
 			}
 		} catch (IOException e) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/LogCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/LogCommand.java
index fd6c1fa..cf3d35f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/LogCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/LogCommand.java
@@ -42,13 +42,10 @@
  */
 package org.eclipse.jgit.api;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.IOException;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
 import org.eclipse.jgit.api.errors.GitAPIException;
 import org.eclipse.jgit.api.errors.JGitInternalException;
@@ -275,10 +272,9 @@
 	 *             the references could not be accessed
 	 */
 	public LogCommand all() throws IOException {
-		Map<String, Ref> refs = getRepository().getRefDatabase().getRefs(ALL);
-		for (Ref ref : refs.values()) {
+		for (Ref ref : getRepository().getRefDatabase().getRefs()) {
 			if(!ref.isPeeled())
-				ref = getRepository().peel(ref);
+				ref = getRepository().getRefDatabase().peel(ref);
 
 			ObjectId objectId = ref.getPeeledObjectId();
 			if (objectId == null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/MergeCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/MergeCommand.java
index cd50cae..b8fa74d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/MergeCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/MergeCommand.java
@@ -112,6 +112,8 @@
 
 	private String message;
 
+	private boolean insertChangeId;
+
 	private ProgressMonitor monitor = NullProgressMonitor.INSTANCE;
 
 	/**
@@ -253,7 +255,7 @@
 			refLogMessage.append(ref.getName());
 
 			// handle annotated tags
-			ref = repo.peel(ref);
+			ref = repo.getRefDatabase().peel(ref);
 			ObjectId objectId = ref.getPeeledObjectId();
 			if (objectId == null)
 				objectId = ref.getObjectId();
@@ -392,6 +394,7 @@
 						try (Git git = new Git(getRepository())) {
 							newHeadId = git.commit()
 									.setReflogComment(refLogMessage.toString())
+									.setInsertChangeId(insertChangeId)
 									.call().getId();
 						}
 						mergeStatus = MergeStatus.MERGED;
@@ -619,6 +622,23 @@
 	}
 
 	/**
+	 * If set to true a change id will be inserted into the commit message
+	 *
+	 * An existing change id is not replaced. An initial change id (I000...)
+	 * will be replaced by the change id.
+	 *
+	 * @param insertChangeId
+	 *            whether to insert a change id
+	 * @return {@code this}
+	 * @since 5.0
+	 */
+	public MergeCommand setInsertChangeId(boolean insertChangeId) {
+		checkCallable();
+		this.insertChangeId = insertChangeId;
+		return this;
+	}
+
+	/**
 	 * The progress monitor associated with the diff operation. By default, this
 	 * is set to <code>NullProgressMonitor</code>
 	 *
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/NameRevCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/NameRevCommand.java
index a9d9759..a2b2007 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/NameRevCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/NameRevCommand.java
@@ -251,8 +251,7 @@
 	 * prefix added by {@link #addPrefix(String)}.
 	 *
 	 * @param prefix
-	 *            prefix to add; see
-	 *            {@link org.eclipse.jgit.lib.RefDatabase#getRefs(String)}
+	 *            prefix to add; the prefix must end with a slash
 	 * @return {@code this}
 	 */
 	public NameRevCommand addPrefix(String prefix) {
@@ -279,7 +278,8 @@
 		if (refs == null)
 			refs = new ArrayList<>();
 		try {
-			for (Ref ref : repo.getRefDatabase().getRefs(Constants.R_TAGS).values()) {
+			for (Ref ref : repo.getRefDatabase()
+					.getRefsByPrefix(Constants.R_TAGS)) {
 				ObjectId id = ref.getObjectId();
 				if (id != null && (walk.parseAny(id) instanceof RevTag))
 					addRef(ref);
@@ -325,7 +325,7 @@
 
 	private void addPrefix(String prefix, Map<ObjectId, String> nonCommits,
 			FIFORevQueue pending) throws IOException {
-		for (Ref ref : repo.getRefDatabase().getRefs(prefix).values())
+		for (Ref ref : repo.getRefDatabase().getRefsByPrefix(prefix))
 			addRef(ref, nonCommits, pending);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
index 19bdd35..459451f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/PushCommand.java
@@ -153,7 +153,8 @@
 
 			final List<Transport> transports;
 			transports = Transport.openAll(repo, remote, Transport.Operation.PUSH);
-			for (final Transport transport : transports) {
+			for (@SuppressWarnings("resource") // Explicitly closed in finally
+					final Transport transport : transports) {
 				transport.setPushThin(thin);
 				transport.setPushAtomic(atomic);
 				if (receivePack != null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
index da1ff06..98c16b8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/RebaseCommand.java
@@ -1734,23 +1734,17 @@
 				String content)
 				throws IOException {
 			File file = new File(parentDir, name);
-			FileOutputStream fos = new FileOutputStream(file);
-			try {
+			try (FileOutputStream fos = new FileOutputStream(file)) {
 				fos.write(content.getBytes(Constants.CHARACTER_ENCODING));
 				fos.write('\n');
-			} finally {
-				fos.close();
 			}
 		}
 
 		private static void appendToFile(File file, String content)
 				throws IOException {
-			FileOutputStream fos = new FileOutputStream(file, true);
-			try {
+			try (FileOutputStream fos = new FileOutputStream(file, true)) {
 				fos.write(content.getBytes(Constants.CHARACTER_ENCODING));
 				fos.write('\n');
-			} finally {
-				fos.close();
 			}
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/RemoteAddCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/RemoteAddCommand.java
index c43c5c6..a8fdcd2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/RemoteAddCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/RemoteAddCommand.java
@@ -86,9 +86,12 @@
 	 *
 	 * @param name
 	 *            a remote name
+	 * @return this instance
+	 * @since 5.0
 	 */
-	public void setName(String name) {
+	public RemoteAddCommand setName(String name) {
 		this.name = name;
+		return this;
 	}
 
 	/**
@@ -96,9 +99,12 @@
 	 *
 	 * @param uri
 	 *            an URL for the remote
+	 * @return this instance
+	 * @since 5.0
 	 */
-	public void setUri(URIish uri) {
+	public RemoteAddCommand setUri(URIish uri) {
 		this.uri = uri;
+		return this;
 	}
 
 	/**
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/ResetCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/ResetCommand.java
index be446f9..13ce4e7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/ResetCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/ResetCommand.java
@@ -245,7 +245,7 @@
 		}
 	}
 
-	private RevCommit parseCommit(final ObjectId commitId) {
+	private RevCommit parseCommit(ObjectId commitId) {
 		try (RevWalk rw = new RevWalk(repo)) {
 			return rw.parseCommit(commitId);
 		} catch (IOException e) {
@@ -360,7 +360,7 @@
 
 	private void resetIndexForPaths(ObjectId commitTree) {
 		DirCache dc = null;
-		try (final TreeWalk tw = new TreeWalk(repo)) {
+		try (TreeWalk tw = new TreeWalk(repo)) {
 			dc = repo.lockDirCache();
 			DirCacheBuilder builder = dc.builder();
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/RmCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/RmCommand.java
index 088aa15..d2f4be8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/RmCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/RmCommand.java
@@ -154,7 +154,7 @@
 		DirCache dc = null;
 
 		List<String> actuallyDeletedFiles = new ArrayList<>();
-		try (final TreeWalk tw = new TreeWalk(repo)) {
+		try (TreeWalk tw = new TreeWalk(repo)) {
 			dc = repo.lockDirCache();
 			DirCacheBuilder builder = dc.builder();
 			tw.reset(); // drop the first empty tree, which we do not need here
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashApplyCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashApplyCommand.java
index 5f7928d..01d070c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashApplyCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashApplyCommand.java
@@ -111,7 +111,7 @@
 	 *            the {@link org.eclipse.jgit.lib.Repository} to apply the stash
 	 *            to
 	 */
-	public StashApplyCommand(final Repository repo) {
+	public StashApplyCommand(Repository repo) {
 		super(repo);
 	}
 
@@ -125,7 +125,7 @@
 	 *            name of the stash {@code Ref} to apply
 	 * @return {@code this}
 	 */
-	public StashApplyCommand setStashRef(final String stashRef) {
+	public StashApplyCommand setStashRef(String stashRef) {
 		this.stashRef = stashRef;
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashCreateCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashCreateCommand.java
index 3495ff8..c32890d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashCreateCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashCreateCommand.java
@@ -195,7 +195,7 @@
 
 	private RevCommit parseCommit(final ObjectReader reader,
 			final ObjectId headId) throws IOException {
-		try (final RevWalk walk = new RevWalk(reader)) {
+		try (RevWalk walk = new RevWalk(reader)) {
 			return walk.parseCommit(headId);
 		}
 	}
@@ -303,12 +303,9 @@
 						entry.setLastModified(wtIter.getEntryLastModified());
 						entry.setFileMode(wtIter.getEntryFileMode());
 						long contentLength = wtIter.getEntryContentLength();
-						InputStream in = wtIter.openEntryStream();
-						try {
+						try (InputStream in = wtIter.openEntryStream()) {
 							entry.setObjectId(inserter.insert(
 									Constants.OBJ_BLOB, contentLength, in));
-						} finally {
-							in.close();
 						}
 
 						if (indexIter == null && headIter == null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashDropCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashDropCommand.java
index cd8f8e6..7f02aab 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashDropCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashDropCommand.java
@@ -107,7 +107,7 @@
 	 *            the 0-based index of the stash reference
 	 * @return {@code this}
 	 */
-	public StashDropCommand setStashRef(final int stashRef) {
+	public StashDropCommand setStashRef(int stashRef) {
 		if (stashRef < 0)
 			throw new IllegalArgumentException();
 
@@ -124,7 +124,7 @@
 	 *            {@link #setStashRef(int)}
 	 * @return {@code this}
 	 */
-	public StashDropCommand setAll(final boolean all) {
+	public StashDropCommand setAll(boolean all) {
 		this.all = all;
 		return this;
 	}
@@ -138,7 +138,7 @@
 		}
 	}
 
-	private RefUpdate createRefUpdate(final Ref stashRef) throws IOException {
+	private RefUpdate createRefUpdate(Ref stashRef) throws IOException {
 		RefUpdate update = repo.updateRef(R_STASH);
 		update.disableRefLog();
 		update.setExpectedOldObjectId(stashRef.getObjectId());
@@ -146,7 +146,7 @@
 		return update;
 	}
 
-	private void deleteRef(final Ref stashRef) {
+	private void deleteRef(Ref stashRef) {
 		try {
 			Result result = createRefUpdate(stashRef).delete();
 			if (Result.FORCED != result)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashListCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashListCommand.java
index 6451b70..f316b23 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/StashListCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/StashListCommand.java
@@ -72,7 +72,7 @@
 	 *
 	 * @param repo a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public StashListCommand(final Repository repo) {
+	public StashListCommand(Repository repo) {
 		super(repo);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleAddCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleAddCommand.java
index 81ea350..9d9626f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleAddCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleAddCommand.java
@@ -89,7 +89,7 @@
 	 * @param repo
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public SubmoduleAddCommand(final Repository repo) {
+	public SubmoduleAddCommand(Repository repo) {
 		super(repo);
 	}
 
@@ -100,7 +100,7 @@
 	 *            (with <code>/</code> as separator)
 	 * @return this command
 	 */
-	public SubmoduleAddCommand setPath(final String path) {
+	public SubmoduleAddCommand setPath(String path) {
 		this.path = path;
 		return this;
 	}
@@ -112,7 +112,7 @@
 	 *            a {@link java.lang.String} object.
 	 * @return this command
 	 */
-	public SubmoduleAddCommand setURI(final String uri) {
+	public SubmoduleAddCommand setURI(String uri) {
 		this.uri = uri;
 		return this;
 	}
@@ -126,7 +126,7 @@
 	 *            a {@link org.eclipse.jgit.lib.ProgressMonitor} object.
 	 * @return this command
 	 */
-	public SubmoduleAddCommand setProgressMonitor(final ProgressMonitor monitor) {
+	public SubmoduleAddCommand setProgressMonitor(ProgressMonitor monitor) {
 		this.monitor = monitor;
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleInitCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleInitCommand.java
index 6af27d7..2db12b8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleInitCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleInitCommand.java
@@ -77,7 +77,7 @@
 	 * @param repo
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public SubmoduleInitCommand(final Repository repo) {
+	public SubmoduleInitCommand(Repository repo) {
 		super(repo);
 		paths = new ArrayList<>();
 	}
@@ -89,7 +89,7 @@
 	 *            (with <code>/</code> as separator)
 	 * @return this command
 	 */
-	public SubmoduleInitCommand addPath(final String path) {
+	public SubmoduleInitCommand addPath(String path) {
 		paths.add(path);
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleStatusCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleStatusCommand.java
index 97ae668..0606c5b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleStatusCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleStatusCommand.java
@@ -77,7 +77,7 @@
 	 * @param repo
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public SubmoduleStatusCommand(final Repository repo) {
+	public SubmoduleStatusCommand(Repository repo) {
 		super(repo);
 		paths = new ArrayList<>();
 	}
@@ -89,7 +89,7 @@
 	 *            (with <code>/</code> as separator)
 	 * @return this command
 	 */
-	public SubmoduleStatusCommand addPath(final String path) {
+	public SubmoduleStatusCommand addPath(String path) {
 		paths.add(path);
 		return this;
 	}
@@ -130,16 +130,14 @@
 					id);
 
 		// Report uninitialized if no submodule repository
-		Repository subRepo = generator.getRepository();
-		if (subRepo == null)
-			return new SubmoduleStatus(SubmoduleStatusType.UNINITIALIZED, path,
-					id);
+		ObjectId headId = null;
+		try (Repository subRepo = generator.getRepository()) {
+			if (subRepo == null) {
+				return new SubmoduleStatus(SubmoduleStatusType.UNINITIALIZED,
+						path, id);
+			}
 
-		ObjectId headId;
-		try {
 			headId = subRepo.resolve(Constants.HEAD);
-		} finally {
-			subRepo.close();
 		}
 
 		// Report uninitialized if no HEAD commit in submodule repository
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleSyncCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleSyncCommand.java
index d22d820..7cf4b73 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleSyncCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleSyncCommand.java
@@ -79,7 +79,7 @@
 	 * @param repo
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public SubmoduleSyncCommand(final Repository repo) {
+	public SubmoduleSyncCommand(Repository repo) {
 		super(repo);
 		paths = new ArrayList<>();
 	}
@@ -91,7 +91,7 @@
 	 *            (with <code>/</code> as separator)
 	 * @return this command
 	 */
-	public SubmoduleSyncCommand addPath(final String path) {
+	public SubmoduleSyncCommand addPath(String path) {
 		paths.add(path);
 		return this;
 	}
@@ -104,7 +104,7 @@
 	 * @return shortened branch name, null on failures
 	 * @throws java.io.IOException
 	 */
-	protected String getHeadBranch(final Repository subRepo) throws IOException {
+	protected String getHeadBranch(Repository subRepo) throws IOException {
 		Ref head = subRepo.exactRef(Constants.HEAD);
 		if (head != null && head.isSymbolic())
 			return Repository.shortenRefName(head.getLeaf().getName());
@@ -132,30 +132,31 @@
 						path, ConfigConstants.CONFIG_KEY_URL, remoteUrl);
 				synced.put(path, remoteUrl);
 
-				Repository subRepo = generator.getRepository();
-				if (subRepo == null)
-					continue;
+				try (Repository subRepo = generator.getRepository()) {
+					if (subRepo == null) {
+						continue;
+					}
 
-				StoredConfig subConfig;
-				String branch;
-				try {
+					StoredConfig subConfig;
+					String branch;
+
 					subConfig = subRepo.getConfig();
 					// Get name of remote associated with current branch and
 					// fall back to default remote name as last resort
 					branch = getHeadBranch(subRepo);
 					String remote = null;
-					if (branch != null)
+					if (branch != null) {
 						remote = subConfig.getString(
 								ConfigConstants.CONFIG_BRANCH_SECTION, branch,
 								ConfigConstants.CONFIG_KEY_REMOTE);
-					if (remote == null)
+					}
+					if (remote == null) {
 						remote = Constants.DEFAULT_REMOTE_NAME;
+					}
 
 					subConfig.setString(ConfigConstants.CONFIG_REMOTE_SECTION,
 							remote, ConfigConstants.CONFIG_KEY_URL, remoteUrl);
 					subConfig.save();
-				} finally {
-					subRepo.close();
 				}
 			}
 			if (!synced.isEmpty())
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleUpdateCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleUpdateCommand.java
index 3362d46..398f21e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleUpdateCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/SubmoduleUpdateCommand.java
@@ -103,7 +103,7 @@
 	 * @param repo
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public SubmoduleUpdateCommand(final Repository repo) {
+	public SubmoduleUpdateCommand(Repository repo) {
 		super(repo);
 		paths = new ArrayList<>();
 	}
@@ -132,7 +132,7 @@
 	 * @return this command
 	 * @since 4.9
 	 */
-	public SubmoduleUpdateCommand setFetch(final boolean fetch) {
+	public SubmoduleUpdateCommand setFetch(boolean fetch) {
 		this.fetch = fetch;
 		return this;
 	}
@@ -144,11 +144,43 @@
 	 *            (with <code>/</code> as separator)
 	 * @return this command
 	 */
-	public SubmoduleUpdateCommand addPath(final String path) {
+	public SubmoduleUpdateCommand addPath(String path) {
 		paths.add(path);
 		return this;
 	}
 
+	private Repository getOrCloneSubmodule(SubmoduleWalk generator, String url)
+			throws IOException, GitAPIException {
+		Repository repository = generator.getRepository();
+		if (repository == null) {
+			if (callback != null) {
+				callback.cloningSubmodule(generator.getPath());
+			}
+			CloneCommand clone = Git.cloneRepository();
+			configure(clone);
+			clone.setURI(url);
+			clone.setDirectory(generator.getDirectory());
+			clone.setGitDir(
+					new File(new File(repo.getDirectory(), Constants.MODULES),
+							generator.getPath()));
+			if (monitor != null) {
+				clone.setProgressMonitor(monitor);
+			}
+			repository = clone.call().getRepository();
+		} else if (this.fetch) {
+			if (fetchCallback != null) {
+				fetchCallback.fetchingSubmodule(generator.getPath());
+			}
+			FetchCommand fetchCommand = Git.wrap(repository).fetch();
+			if (monitor != null) {
+				fetchCommand.setProgressMonitor(monitor);
+			}
+			configure(fetchCommand);
+			fetchCommand.call();
+		}
+		return repository;
+	}
+
 	/**
 	 * {@inheritDoc}
 	 *
@@ -175,34 +207,8 @@
 				if (url == null)
 					continue;
 
-				Repository submoduleRepo = generator.getRepository();
-				// Clone repository if not present
-				if (submoduleRepo == null) {
-					if (callback != null) {
-						callback.cloningSubmodule(generator.getPath());
-					}
-					CloneCommand clone = Git.cloneRepository();
-					configure(clone);
-					clone.setURI(url);
-					clone.setDirectory(generator.getDirectory());
-					clone.setGitDir(new File(new File(repo.getDirectory(),
-							Constants.MODULES), generator.getPath()));
-					if (monitor != null)
-						clone.setProgressMonitor(monitor);
-					submoduleRepo = clone.call().getRepository();
-				} else if (this.fetch) {
-					if (fetchCallback != null) {
-						fetchCallback.fetchingSubmodule(generator.getPath());
-					}
-					FetchCommand fetchCommand = Git.wrap(submoduleRepo).fetch();
-					if (monitor != null) {
-						fetchCommand.setProgressMonitor(monitor);
-					}
-					configure(fetchCommand);
-					fetchCommand.call();
-				}
-
-				try (RevWalk walk = new RevWalk(submoduleRepo)) {
+				try (Repository submoduleRepo = getOrCloneSubmodule(generator,
+						url); RevWalk walk = new RevWalk(submoduleRepo)) {
 					RevCommit commit = walk
 							.parseCommit(generator.getObjectId());
 
@@ -237,8 +243,6 @@
 									generator.getPath());
 						}
 					}
-				} finally {
-					submoduleRepo.close();
 				}
 				updated.add(generator.getPath());
 			}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/TransportCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/TransportCommand.java
index 9c91537..d34bb5d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/TransportCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/TransportCommand.java
@@ -80,7 +80,7 @@
 	 *
 	 * @param repo a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	protected TransportCommand(final Repository repo) {
+	protected TransportCommand(Repository repo) {
 		super(repo);
 		setCredentialsProvider(CredentialsProvider.getDefault());
 	}
@@ -147,7 +147,7 @@
 	 *            a {@link org.eclipse.jgit.transport.Transport} object.
 	 * @return {@code this}
 	 */
-	protected C configure(final Transport transport) {
+	protected C configure(Transport transport) {
 		if (credentialsProvider != null)
 			transport.setCredentialsProvider(credentialsProvider);
 		transport.setTimeout(timeout);
@@ -164,7 +164,7 @@
 	 *            a {@link org.eclipse.jgit.api.TransportCommand} object.
 	 * @return {@code this}
 	 */
-	protected C configure(final TransportCommand childCommand) {
+	protected C configure(TransportCommand childCommand) {
 		childCommand.setCredentialsProvider(credentialsProvider);
 		childCommand.setTimeout(timeout);
 		childCommand.setTransportConfigCallback(transportConfigCallback);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/AbortedByHookException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/AbortedByHookException.java
old mode 100755
new mode 100644
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmtpyCommitException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmptyCommitException.java
similarity index 88%
rename from org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmtpyCommitException.java
rename to org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmptyCommitException.java
index ea0e718..87e1a6a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmtpyCommitException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/EmptyCommitException.java
@@ -40,30 +40,30 @@
 /**
  * Exception thrown when a newly created commit does not contain any changes
  *
- * @since 4.2
+ * @since 5.0
  */
-public class EmtpyCommitException extends GitAPIException { // TODO: Correct spelling of this class name in 5.0
+public class EmptyCommitException extends GitAPIException {
 	private static final long serialVersionUID = 1L;
 
 	/**
-	 * Constructor for EmtpyCommitException
+	 * Constructor for EmptyCommitException
 	 *
 	 * @param message
 	 *            error message
 	 * @param cause
 	 *            a {@link java.lang.Throwable}
 	 */
-	public EmtpyCommitException(String message, Throwable cause) {
+	public EmptyCommitException(String message, Throwable cause) {
 		super(message, cause);
 	}
 
 	/**
-	 * Constructor for EmtpyCommitException.
+	 * Constructor for EmptyCommitException.
 	 *
 	 * @param message
 	 *            error message
 	 */
-	public EmtpyCommitException(String message) {
+	public EmptyCommitException(String message) {
 		super(message);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/StashApplyFailureException.java b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/StashApplyFailureException.java
index 517b512..b12c032 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/StashApplyFailureException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/api/errors/StashApplyFailureException.java
@@ -26,7 +26,7 @@
 	 * @param message
 	 *            error message
 	 */
-	public StashApplyFailureException(final String message) {
+	public StashApplyFailureException(String message) {
 		super(message);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/blame/ReverseWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/blame/ReverseWalk.java
index 2eb313f..1067378 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/blame/ReverseWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/blame/ReverseWalk.java
@@ -108,7 +108,7 @@
 			return children.length;
 		}
 
-		ReverseCommit getChild(final int nth) {
+		ReverseCommit getChild(int nth) {
 			return children[nth];
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffConfig.java
index 063ceff..21dca6b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffConfig.java
@@ -76,7 +76,7 @@
 
 	private final int renameLimit;
 
-	private DiffConfig(final Config rc) {
+	private DiffConfig(Config rc) {
 		noPrefix = rc.getBoolean(ConfigConstants.CONFIG_DIFF_SECTION,
 				ConfigConstants.CONFIG_KEY_NOPREFIX, false);
 		renameDetectionType = parseRenameDetectionType(rc.getString(
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffFormatter.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffFormatter.java
index 2e29b81..7aaa500 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffFormatter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/DiffFormatter.java
@@ -222,7 +222,7 @@
 	 *            modification and after the last modification within a hunk of
 	 *            the modified file.
 	 */
-	public void setContext(final int lineCount) {
+	public void setContext(int lineCount) {
 		if (lineCount < 0)
 			throw new IllegalArgumentException(
 					JGitText.get().contextMustBeNonNegative);
@@ -235,7 +235,7 @@
 	 * @param count
 	 *            number of digits to show in an ObjectId.
 	 */
-	public void setAbbreviationLength(final int count) {
+	public void setAbbreviationLength(int count) {
 		if (count < 0)
 			throw new IllegalArgumentException(
 					JGitText.get().abbreviationLengthMustBeNonNegative);
@@ -742,7 +742,7 @@
 	 * @throws java.io.IOException
 	 *             writing to the supplied stream failed.
 	 */
-	public void format(final FileHeader head, final RawText a, final RawText b)
+	public void format(FileHeader head, RawText a, RawText b)
 			throws IOException {
 		// Reuse the existing FileHeader as-is by blindly copying its
 		// header lines, but avoiding its hunks. Instead we recreate
@@ -768,7 +768,7 @@
 	 *            the text B which was compared
 	 * @throws java.io.IOException
 	 */
-	public void format(final EditList edits, final RawText a, final RawText b)
+	public void format(EditList edits, RawText a, RawText b)
 			throws IOException {
 		for (int curIdx = 0; curIdx < edits.size();) {
 			Edit curEdit = edits.get(curIdx);
@@ -816,12 +816,12 @@
 	 *            the line number within text
 	 * @throws java.io.IOException
 	 */
-	protected void writeContextLine(final RawText text, final int line)
+	protected void writeContextLine(RawText text, int line)
 			throws IOException {
 		writeLine(' ', text, line);
 	}
 
-	private static boolean isEndOfLineMissing(final RawText text, final int line) {
+	private static boolean isEndOfLineMissing(RawText text, int line) {
 		return line + 1 == text.size() && text.isMissingNewlineAtEnd();
 	}
 
@@ -834,7 +834,7 @@
 	 *            the line number within text
 	 * @throws java.io.IOException
 	 */
-	protected void writeAddedLine(final RawText text, final int line)
+	protected void writeAddedLine(RawText text, int line)
 			throws IOException {
 		writeLine('+', text, line);
 	}
@@ -848,7 +848,7 @@
 	 *            the line number within text
 	 * @throws java.io.IOException
 	 */
-	protected void writeRemovedLine(final RawText text, final int line)
+	protected void writeRemovedLine(RawText text, int line)
 			throws IOException {
 		writeLine('-', text, line);
 	}
@@ -878,7 +878,7 @@
 		out.write('\n');
 	}
 
-	private void writeRange(final char prefix, final int begin, final int cnt)
+	private void writeRange(char prefix, int begin, int cnt)
 			throws IOException {
 		out.write(' ');
 		out.write(prefix);
@@ -1213,7 +1213,7 @@
 		o.write(encode("+++ " + newp + "\n")); //$NON-NLS-1$ //$NON-NLS-2$
 	}
 
-	private int findCombinedEnd(final List<Edit> edits, final int i) {
+	private int findCombinedEnd(List<Edit> edits, int i) {
 		int end = i + 1;
 		while (end < edits.size()
 				&& (combineA(edits, end) || combineB(edits, end)))
@@ -1221,15 +1221,15 @@
 		return end - 1;
 	}
 
-	private boolean combineA(final List<Edit> e, final int i) {
+	private boolean combineA(List<Edit> e, int i) {
 		return e.get(i).getBeginA() - e.get(i - 1).getEndA() <= 2 * context;
 	}
 
-	private boolean combineB(final List<Edit> e, final int i) {
+	private boolean combineB(List<Edit> e, int i) {
 		return e.get(i).getBeginB() - e.get(i - 1).getEndB() <= 2 * context;
 	}
 
-	private static boolean end(final Edit edit, final int a, final int b) {
+	private static boolean end(Edit edit, int a, int b) {
 		return edit.getEndA() <= a && edit.getEndB() <= b;
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/Edit.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/Edit.java
index 775d11a..5c876e8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/Edit.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/Edit.java
@@ -94,7 +94,7 @@
 	 * @param bs
 	 *            beginB: start and end of region in sequence B; 0 based.
 	 */
-	public Edit(final int as, final int bs) {
+	public Edit(int as, int bs) {
 		this(as, as, bs, bs);
 	}
 
@@ -110,7 +110,7 @@
 	 * @param be
 	 *            endB: end of region in sequence B; must be &gt; = bs.
 	 */
-	public Edit(final int as, final int ae, final int bs, final int be) {
+	public Edit(int as, int ae, int bs, int be) {
 		beginA = as;
 		endA = ae;
 
@@ -279,7 +279,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object o) {
+	public boolean equals(Object o) {
 		if (o instanceof Edit) {
 			final Edit e = (Edit) o;
 			return this.beginA == e.beginA && this.endA == e.endA
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/HistogramDiffIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/HistogramDiffIndex.java
index 04c79fc..3f813d8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/HistogramDiffIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/HistogramDiffIndex.java
@@ -230,7 +230,7 @@
 		return true;
 	}
 
-	private int tryLongestCommonSequence(final int bPtr) {
+	private int tryLongestCommonSequence(int bPtr) {
 		int bNext = bPtr + 1;
 		int rIdx = table[hash(b, bPtr)];
 		for (long rec; rIdx != 0; rIdx = recNext(rec)) {
@@ -328,7 +328,7 @@
 		return ((int) rec) & REC_CNT_MASK;
 	}
 
-	private static int tableBits(final int sz) {
+	private static int tableBits(int sz) {
 		int bits = 31 - Integer.numberOfLeadingZeros(sz);
 		if (bits == 0)
 			bits = 1;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
index 646f264..caaffe3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/MyersDiff.java
@@ -359,7 +359,7 @@
 			abstract int getLeft(int x);
 			abstract int getRight(int x);
 			abstract boolean isBetter(int left, int right);
-			abstract void adjustMinMaxK(final int k, final int x);
+			abstract void adjustMinMaxK(int k, int x);
 			abstract boolean meets(int d, int k, int x, long snake);
 
 			final long newSnake(int k, int x) {
@@ -469,22 +469,22 @@
 			}
 
 			@Override
-			final int getLeft(final int x) {
+			final int getLeft(int x) {
 				return x;
 			}
 
 			@Override
-			final int getRight(final int x) {
+			final int getRight(int x) {
 				return x + 1;
 			}
 
 			@Override
-			final boolean isBetter(final int left, final int right) {
+			final boolean isBetter(int left, int right) {
 				return left > right;
 			}
 
 			@Override
-			final void adjustMinMaxK(final int k, final int x) {
+			final void adjustMinMaxK(int k, int x) {
 				if (x >= endA || k + x >= endB) {
 					if (k > backward.middleK)
 						maxK = k;
@@ -517,22 +517,22 @@
 			}
 
 			@Override
-			final int getLeft(final int x) {
+			final int getLeft(int x) {
 				return x - 1;
 			}
 
 			@Override
-			final int getRight(final int x) {
+			final int getRight(int x) {
 				return x;
 			}
 
 			@Override
-			final boolean isBetter(final int left, final int right) {
+			final boolean isBetter(int left, int right) {
 				return left < right;
 			}
 
 			@Override
-			final void adjustMinMaxK(final int k, final int x) {
+			final void adjustMinMaxK(int k, int x) {
 				if (x <= beginA || k + x <= beginB) {
 					if (k > forward.middleK)
 						maxK = k;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawText.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawText.java
index ec88ce4..bd41d90 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawText.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawText.java
@@ -88,12 +88,29 @@
 	 * The entire array (indexes 0 through length-1) is used as the content.
 	 *
 	 * @param input
-	 *            the content array. The array is never modified, so passing
-	 *            through cached arrays is safe.
+	 *            the content array. The object retains a reference to this
+	 *            array, so it should be immutable.
 	 */
-	public RawText(final byte[] input) {
+	public RawText(byte[] input) {
+		this(input, RawParseUtils.lineMap(input, 0, input.length));
+	}
+
+	/**
+	 * Create a new sequence from the existing content byte array and the line
+	 * map indicating line boundaries.
+	 *
+	 * @param input
+	 *            the content array. The object retains a reference to this
+	 *            array, so it should be immutable.
+	 * @param lineMap
+	 *            an array with 1-based offsets for the start of each line.
+	 *            The first and last entries should be {@link Integer#MIN_VALUE}
+	 *            and an offset one past the end of the last line, respectively.
+	 * @since 5.0
+	 */
+	public RawText(byte[] input, IntList lineMap) {
 		content = input;
-		lines = RawParseUtils.lineMap(content, 0, content.length);
+		lines = lineMap;
 	}
 
 	/**
@@ -147,7 +164,7 @@
 	 * @throws java.io.IOException
 	 *             the stream write operation failed.
 	 */
-	public void writeLine(final OutputStream out, final int i)
+	public void writeLine(OutputStream out, int i)
 			throws IOException {
 		int start = getStart(i);
 		int end = getEnd(i);
@@ -221,11 +238,11 @@
 		return RawParseUtils.decode(content, start, end);
 	}
 
-	private int getStart(final int i) {
+	private int getStart(int i) {
 		return lines.get(i + 1);
 	}
 
-	private int getEnd(final int i) {
+	private int getEnd(int i) {
 		return lines.get(i + 2);
 	}
 
@@ -325,7 +342,8 @@
 	 * @throws java.io.IOException
 	 *             if the input could not be read.
 	 */
-	public static RawText load(ObjectLoader ldr, int threshold) throws IOException, BinaryBlobException {
+	public static RawText load(ObjectLoader ldr, int threshold)
+			throws IOException, BinaryBlobException {
 		long sz = ldr.getSize();
 
 		if (sz > threshold) {
@@ -369,7 +387,7 @@
 
 			System.arraycopy(head, 0, data, 0, head.length);
 			IO.readFully(stream, data, off, (int) (sz-off));
-			return new RawText(data);
+			return new RawText(data, RawParseUtils.lineMapOrBinary(data, 0, (int) sz));
 		}
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawTextComparator.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawTextComparator.java
index ed2eebb..1e68c2f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawTextComparator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/RawTextComparator.java
@@ -77,7 +77,7 @@
 		}
 
 		@Override
-		protected int hashRegion(final byte[] raw, int ptr, final int end) {
+		protected int hashRegion(byte[] raw, int ptr, int end) {
 			int hash = 5381;
 			for (; ptr < end; ptr++)
 				hash = ((hash << 5) + hash) + (raw[ptr] & 0xff);
@@ -164,7 +164,7 @@
 		}
 
 		@Override
-		protected int hashRegion(final byte[] raw, int ptr, int end) {
+		protected int hashRegion(byte[] raw, int ptr, int end) {
 			int hash = 5381;
 			ptr = trimLeadingWhitespace(raw, ptr, end);
 			for (; ptr < end; ptr++)
@@ -199,7 +199,7 @@
 		}
 
 		@Override
-		protected int hashRegion(final byte[] raw, int ptr, int end) {
+		protected int hashRegion(byte[] raw, int ptr, int end) {
 			int hash = 5381;
 			end = trimTrailingWhitespace(raw, ptr, end);
 			for (; ptr < end; ptr++)
@@ -244,7 +244,7 @@
 		}
 
 		@Override
-		protected int hashRegion(final byte[] raw, int ptr, int end) {
+		protected int hashRegion(byte[] raw, int ptr, int end) {
 			int hash = 5381;
 			end = trimTrailingWhitespace(raw, ptr, end);
 			while (ptr < end) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
index 8b4d2ec..5897ffb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/diff/SimilarityIndex.java
@@ -147,23 +147,17 @@
 
 	private void hashLargeObject(ObjectLoader obj) throws IOException,
 			TableFullException {
-		ObjectStream in1 = obj.openStream();
 		boolean text;
-		try {
+		try (ObjectStream in1 = obj.openStream()) {
 			text = !RawText.isBinary(in1);
-		} finally {
-			in1.close();
 		}
 
-		ObjectStream in2 = obj.openStream();
-		try {
+		try (ObjectStream in2 = obj.openStream()) {
 			hash(in2, in2.getSize(), text);
-		} finally {
-			in2.close();
 		}
 	}
 
-	void hash(byte[] raw, int ptr, final int end) throws TableFullException {
+	void hash(byte[] raw, int ptr, int end) throws TableFullException {
 		final boolean text = !RawText.isBinary(raw);
 		hashedCnt = 0;
 		while (ptr < end) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/BaseDirCacheEditor.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/BaseDirCacheEditor.java
index 0228f4d..aa229f7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/BaseDirCacheEditor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/BaseDirCacheEditor.java
@@ -85,7 +85,7 @@
 	 *            estimated number of entries the editor will have upon
 	 *            completion. This sizes the initial entry table.
 	 */
-	protected BaseDirCacheEditor(final DirCache dc, final int ecnt) {
+	protected BaseDirCacheEditor(DirCache dc, int ecnt) {
 		cache = dc;
 		entries = new DirCacheEntry[ecnt];
 	}
@@ -111,7 +111,7 @@
 	 * @param newEntry
 	 *            the new entry to add.
 	 */
-	protected void fastAdd(final DirCacheEntry newEntry) {
+	protected void fastAdd(DirCacheEntry newEntry) {
 		if (entries.length == entryCnt) {
 			final DirCacheEntry[] n = new DirCacheEntry[(entryCnt + 16) * 3 / 2];
 			System.arraycopy(entries, 0, n, 0, entryCnt);
@@ -140,7 +140,7 @@
 	 * @param cnt
 	 *            number of entries to copy.
 	 */
-	protected void fastKeep(final int pos, int cnt) {
+	protected void fastKeep(int pos, int cnt) {
 		if (entryCnt + cnt > entries.length) {
 			final int m1 = (entryCnt + 16) * 3 / 2;
 			final int m2 = entryCnt + cnt;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCache.java
index cc431db..14653fe 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCache.java
@@ -45,16 +45,16 @@
 
 package org.eclipse.jgit.dircache;
 
+import static java.nio.charset.StandardCharsets.ISO_8859_1;
+
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.EOFException;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
 import java.security.DigestOutputStream;
 import java.security.MessageDigest;
 import java.text.MessageFormat;
@@ -87,6 +87,7 @@
 import org.eclipse.jgit.util.MutableInteger;
 import org.eclipse.jgit.util.NB;
 import org.eclipse.jgit.util.TemporaryBuffer;
+import org.eclipse.jgit.util.io.SilentFileInputStream;
 
 /**
  * Support for the Git dircache (aka index file).
@@ -112,7 +113,7 @@
 
 	static final Comparator<DirCacheEntry> ENT_CMP = new Comparator<DirCacheEntry>() {
 		@Override
-		public int compare(final DirCacheEntry o1, final DirCacheEntry o2) {
+		public int compare(DirCacheEntry o1, DirCacheEntry o2) {
 			final int cr = cmp(o1, o2);
 			if (cr != 0)
 				return cr;
@@ -120,11 +121,11 @@
 		}
 	};
 
-	static int cmp(final DirCacheEntry a, final DirCacheEntry b) {
+	static int cmp(DirCacheEntry a, DirCacheEntry b) {
 		return cmp(a.path, a.path.length, b);
 	}
 
-	static int cmp(final byte[] aPath, final int aLen, final DirCacheEntry b) {
+	static int cmp(byte[] aPath, int aLen, DirCacheEntry b) {
 		return cmp(aPath, aLen, b.path, b.path.length);
 	}
 
@@ -188,7 +189,7 @@
 	 *             the index file is using a format or extension that this
 	 *             library does not support.
 	 */
-	public static DirCache read(final Repository repository)
+	public static DirCache read(Repository repository)
 			throws CorruptObjectException, IOException {
 		final DirCache c = read(repository.getIndexFile(), repository.getFS());
 		c.repository = repository;
@@ -215,7 +216,7 @@
 	 *             the index file is using a format or extension that this
 	 *             library does not support.
 	 */
-	public static DirCache read(final File indexLocation, final FS fs)
+	public static DirCache read(File indexLocation, FS fs)
 			throws CorruptObjectException, IOException {
 		final DirCache c = new DirCache(indexLocation, fs);
 		c.read();
@@ -244,7 +245,7 @@
 	 *             the index file is using a format or extension that this
 	 *             library does not support.
 	 */
-	public static DirCache lock(final File indexLocation, final FS fs)
+	public static DirCache lock(File indexLocation, FS fs)
 			throws CorruptObjectException, IOException {
 		final DirCache c = new DirCache(indexLocation, fs);
 		if (!c.lock())
@@ -372,7 +373,7 @@
 	 *            the file system abstraction which will be necessary to perform
 	 *            certain file system operations.
 	 */
-	public DirCache(final File indexLocation, final FS fs) {
+	public DirCache(File indexLocation, FS fs) {
 		liveFile = indexLocation;
 		clear();
 	}
@@ -403,7 +404,7 @@
 		return new DirCacheEditor(this, entryCnt + 16);
 	}
 
-	void replace(final DirCacheEntry[] e, final int cnt) {
+	void replace(DirCacheEntry[] e, int cnt) {
 		sortedEntries = e;
 		entryCnt = cnt;
 		tree = null;
@@ -429,18 +430,10 @@
 		if (!liveFile.exists())
 			clear();
 		else if (snapshot == null || snapshot.isModified(liveFile)) {
-			try {
-				final FileInputStream inStream = new FileInputStream(liveFile);
-				try {
-					clear();
-					readFrom(inStream);
-				} finally {
-					try {
-						inStream.close();
-					} catch (IOException err2) {
-						// Ignore any close failures.
-					}
-				}
+			try (SilentFileInputStream inStream = new SilentFileInputStream(
+					liveFile)) {
+				clear();
+				readFrom(inStream);
 			} catch (FileNotFoundException fnfe) {
 				if (liveFile.exists()) {
 					// Panic: the index file exists but we can't read it
@@ -480,7 +473,7 @@
 		readIndexChecksum = NO_CHECKSUM;
 	}
 
-	private void readFrom(final InputStream inStream) throws IOException,
+	private void readFrom(InputStream inStream) throws IOException,
 			CorruptObjectException {
 		final BufferedInputStream in = new BufferedInputStream(inStream);
 		final MessageDigest md = Constants.newMessageDigest();
@@ -588,12 +581,11 @@
 		}
 	}
 
-	private static String formatExtensionName(final byte[] hdr)
-			throws UnsupportedEncodingException {
-		return "'" + new String(hdr, 0, 4, "ISO-8859-1") + "'"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+	private static String formatExtensionName(byte[] hdr) {
+		return "'" + new String(hdr, 0, 4, ISO_8859_1) + "'"; //$NON-NLS-1$ //$NON-NLS-2$
 	}
 
-	private static boolean is_DIRC(final byte[] hdr) {
+	private static boolean is_DIRC(byte[] hdr) {
 		if (hdr.length < SIG_DIRC.length)
 			return false;
 		for (int i = 0; i < SIG_DIRC.length; i++)
@@ -656,7 +648,7 @@
 		}
 	}
 
-	void writeTo(File dir, final OutputStream os) throws IOException {
+	void writeTo(File dir, OutputStream os) throws IOException {
 		final MessageDigest foot = Constants.newMessageDigest();
 		final DigestOutputStream dos = new DigestOutputStream(os, foot);
 
@@ -710,6 +702,8 @@
 		}
 
 		if (writeTree) {
+			@SuppressWarnings("resource") // Explicitly closed in try block, and
+											// destroyed in finally
 			TemporaryBuffer bb = new TemporaryBuffer.LocalFile(dir, 5 << 20);
 			try {
 				tree.write(tmp, bb);
@@ -743,16 +737,18 @@
 		final LockFile tmp = myLock;
 		requireLocked(tmp);
 		myLock = null;
-		if (!tmp.commit())
+		if (!tmp.commit()) {
 			return false;
+		}
 		snapshot = tmp.getCommitSnapshot();
 		if (indexChangedListener != null
-				&& !Arrays.equals(readIndexChecksum, writeIndexChecksum))
-			indexChangedListener.onIndexChanged(new IndexChangedEvent());
+				&& !Arrays.equals(readIndexChecksum, writeIndexChecksum)) {
+			indexChangedListener.onIndexChanged(new IndexChangedEvent(true));
+		}
 		return true;
 	}
 
-	private void requireLocked(final LockFile tmp) {
+	private void requireLocked(LockFile tmp) {
 		if (liveFile == null)
 			throw new IllegalStateException(JGitText.get().dirCacheIsNotLocked);
 		if (tmp == null)
@@ -783,7 +779,7 @@
 	 *         the index; pass to {@link #getEntry(int)} to obtain the entry
 	 *         information. If &lt; 0 the entry does not exist in the index.
 	 */
-	public int findEntry(final String path) {
+	public int findEntry(String path) {
 		final byte[] p = Constants.encode(path);
 		return findEntry(p, p.length);
 	}
@@ -839,7 +835,7 @@
 	 *            entry position of the path that should be skipped.
 	 * @return position of the next entry whose path is after the input.
 	 */
-	public int nextEntry(final int position) {
+	public int nextEntry(int position) {
 		DirCacheEntry last = sortedEntries[position];
 		int nextIdx = position + 1;
 		while (nextIdx < entryCnt) {
@@ -852,7 +848,7 @@
 		return nextIdx;
 	}
 
-	int nextEntry(final byte[] p, final int pLen, int nextIdx) {
+	int nextEntry(byte[] p, int pLen, int nextIdx) {
 		while (nextIdx < entryCnt) {
 			final DirCacheEntry next = sortedEntries[nextIdx];
 			if (!DirCacheTree.peq(p, next.path, pLen))
@@ -886,7 +882,7 @@
 	 *            position of the entry to get.
 	 * @return the entry at position <code>i</code>.
 	 */
-	public DirCacheEntry getEntry(final int i) {
+	public DirCacheEntry getEntry(int i) {
 		return sortedEntries[i];
 	}
 
@@ -897,7 +893,7 @@
 	 *            the path to search for.
 	 * @return the entry for the given <code>path</code>.
 	 */
-	public DirCacheEntry getEntry(final String path) {
+	public DirCacheEntry getEntry(String path) {
 		final int i = findEntry(path);
 		return i < 0 ? null : sortedEntries[i];
 	}
@@ -946,7 +942,7 @@
 	 * @return the cache tree; null if there is no current cache tree available
 	 *         and <code>build</code> was false.
 	 */
-	public DirCacheTree getCacheTree(final boolean build) {
+	public DirCacheTree getCacheTree(boolean build) {
 		if (build) {
 			if (tree == null)
 				tree = new DirCacheTree();
@@ -972,7 +968,7 @@
 	 * @throws java.io.IOException
 	 *             an unexpected error occurred writing to the object store.
 	 */
-	public ObjectId writeTree(final ObjectInserter ow)
+	public ObjectId writeTree(ObjectInserter ow)
 			throws UnmergedPathException, IOException {
 		return getCacheTree(true).writeTree(sortedEntries, 0, 0, ow);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuildIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuildIterator.java
index 6e3682a..e80544e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuildIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuildIterator.java
@@ -96,7 +96,7 @@
 	 *            the cache builder for the cache to walk. The cache must be
 	 *            already loaded into memory.
 	 */
-	public DirCacheBuildIterator(final DirCacheBuilder dcb) {
+	public DirCacheBuildIterator(DirCacheBuilder dcb) {
 		super(dcb.getDirCache());
 		builder = dcb;
 	}
@@ -109,7 +109,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader)
+	public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
 		if (currentSubtree == null)
 			throw new IncorrectObjectTypeException(getEntryObjectId(),
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuilder.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuilder.java
index 2ff7bb9..c5ff9ac 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuilder.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheBuilder.java
@@ -83,7 +83,7 @@
 	 *            estimated number of entries the builder will have upon
 	 *            completion. This sizes the initial entry table.
 	 */
-	protected DirCacheBuilder(final DirCache dc, final int ecnt) {
+	protected DirCacheBuilder(DirCache dc, int ecnt) {
 		super(dc, ecnt);
 	}
 
@@ -102,7 +102,7 @@
 	 * @throws java.lang.IllegalArgumentException
 	 *             If the FileMode of the entry was not set by the caller.
 	 */
-	public void add(final DirCacheEntry newEntry) {
+	public void add(DirCacheEntry newEntry) {
 		if (newEntry.getRawMode() == 0)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().fileModeNotSetForPath,
@@ -131,7 +131,7 @@
 	 * @param cnt
 	 *            number of entries to copy.
 	 */
-	public void keep(final int pos, int cnt) {
+	public void keep(int pos, int cnt) {
 		beforeAdd(cache.getEntry(pos));
 		fastKeep(pos, cnt);
 	}
@@ -227,7 +227,7 @@
 		replace();
 	}
 
-	private void beforeAdd(final DirCacheEntry newEntry) {
+	private void beforeAdd(DirCacheEntry newEntry) {
 		if (sorted && entryCnt > 0) {
 			final DirCacheEntry lastEntry = entries[entryCnt - 1];
 			final int cr = DirCache.cmp(lastEntry, newEntry);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEditor.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEditor.java
index 30e3a3c..74ba97f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEditor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEditor.java
@@ -77,7 +77,7 @@
 public class DirCacheEditor extends BaseDirCacheEditor {
 	private static final Comparator<PathEdit> EDIT_CMP = new Comparator<PathEdit>() {
 		@Override
-		public int compare(final PathEdit o1, final PathEdit o2) {
+		public int compare(PathEdit o1, PathEdit o2) {
 			final byte[] a = o1.path;
 			final byte[] b = o2.path;
 			return cmp(a, a.length, b, b.length);
@@ -96,7 +96,7 @@
 	 *            estimated number of entries the editor will have upon
 	 *            completion. This sizes the initial entry table.
 	 */
-	protected DirCacheEditor(final DirCache dc, final int ecnt) {
+	protected DirCacheEditor(DirCache dc, int ecnt) {
 		super(dc, ecnt);
 		edits = new ArrayList<>();
 	}
@@ -111,7 +111,7 @@
 	 * @param edit
 	 *            another edit command.
 	 */
-	public void add(final PathEdit edit) {
+	public void add(PathEdit edit) {
 		edits.add(edit);
 	}
 
@@ -304,7 +304,7 @@
 		 * @param entryPath
 		 *            path of the file within the repository.
 		 */
-		public PathEdit(final String entryPath) {
+		public PathEdit(String entryPath) {
 			path = Constants.encode(entryPath);
 		}
 
@@ -319,7 +319,7 @@
 		 *            entry instance to match path of. Only the path of this
 		 *            entry is actually considered during command evaluation.
 		 */
-		public PathEdit(final DirCacheEntry ent) {
+		public PathEdit(DirCacheEntry ent) {
 			path = ent.path;
 		}
 
@@ -374,7 +374,7 @@
 		 * @param entryPath
 		 *            path of the file within the repository.
 		 */
-		public DeletePath(final String entryPath) {
+		public DeletePath(String entryPath) {
 			super(entryPath);
 		}
 
@@ -385,12 +385,12 @@
 		 *            entry instance to remove. Only the path of this entry is
 		 *            actually considered during command evaluation.
 		 */
-		public DeletePath(final DirCacheEntry ent) {
+		public DeletePath(DirCacheEntry ent) {
 			super(ent);
 		}
 
 		@Override
-		public void apply(final DirCacheEntry ent) {
+		public void apply(DirCacheEntry ent) {
 			throw new UnsupportedOperationException(JGitText.get().noApplyInDelete);
 		}
 	}
@@ -440,7 +440,7 @@
 		}
 
 		@Override
-		public void apply(final DirCacheEntry ent) {
+		public void apply(DirCacheEntry ent) {
 			throw new UnsupportedOperationException(JGitText.get().noApplyInDelete);
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEntry.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEntry.java
index 7c03c64..fee9f51 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEntry.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheEntry.java
@@ -227,7 +227,7 @@
 	 *             "\0". These sequences are not permitted in a git tree object
 	 *             or DirCache file.
 	 */
-	public DirCacheEntry(final String newPath) {
+	public DirCacheEntry(String newPath) {
 		this(Constants.encode(newPath), STAGE_0);
 	}
 
@@ -244,7 +244,7 @@
 	 *             or DirCache file.  Or if {@code stage} is outside of the
 	 *             range 0..3, inclusive.
 	 */
-	public DirCacheEntry(final String newPath, final int stage) {
+	public DirCacheEntry(String newPath, int stage) {
 		this(Constants.encode(newPath), stage);
 	}
 
@@ -258,7 +258,7 @@
 	 *             "\0". These sequences are not permitted in a git tree object
 	 *             or DirCache file.
 	 */
-	public DirCacheEntry(final byte[] newPath) {
+	public DirCacheEntry(byte[] newPath) {
 		this(newPath, STAGE_0);
 	}
 
@@ -276,7 +276,7 @@
 	 *             range 0..3, inclusive.
 	 */
 	@SuppressWarnings("boxing")
-	public DirCacheEntry(byte[] path, final int stage) {
+	public DirCacheEntry(byte[] path, int stage) {
 		checkPath(path);
 		if (stage < 0 || 3 < stage)
 			throw new IllegalArgumentException(MessageFormat.format(
@@ -312,7 +312,7 @@
 		System.arraycopy(src.info, src.infoOffset, info, 0, INFO_LEN);
 	}
 
-	void write(final OutputStream os) throws IOException {
+	void write(OutputStream os) throws IOException {
 		final int len = isExtended() ? INFO_LEN_EXTENDED : INFO_LEN;
 		final int pathLen = path.length;
 		os.write(info, infoOffset, len);
@@ -343,7 +343,7 @@
 	 *            nanoseconds component of the index's last modified time.
 	 * @return true if extra careful checks should be used.
 	 */
-	public final boolean mightBeRacilyClean(final int smudge_s, final int smudge_ns) {
+	public final boolean mightBeRacilyClean(int smudge_s, int smudge_ns) {
 		// If the index has a modification time then it came from disk
 		// and was not generated from scratch in memory. In such cases
 		// the entry is 'racily clean' if the entry's cached modification
@@ -420,7 +420,7 @@
 	 *            true to ignore apparent modifications; false to look at last
 	 *            modified to detect file modifications.
 	 */
-	public void setAssumeValid(final boolean assume) {
+	public void setAssumeValid(boolean assume) {
 		if (assume)
 			info[infoOffset + P_FLAGS] |= ASSUME_VALID;
 		else
@@ -518,7 +518,7 @@
 	 *             {@link org.eclipse.jgit.lib.FileMode#TREE}, or any other type
 	 *             code not permitted in a tree object.
 	 */
-	public void setFileMode(final FileMode mode) {
+	public void setFileMode(FileMode mode) {
 		switch (mode.getBits() & FileMode.TYPE_MASK) {
 		case FileMode.TYPE_MISSING:
 		case FileMode.TYPE_TREE:
@@ -548,7 +548,7 @@
 	 * @param when
 	 *            new cached creation time of the file, in milliseconds.
 	 */
-	public void setCreationTime(final long when) {
+	public void setCreationTime(long when) {
 		encodeTS(P_CTIME, when);
 	}
 
@@ -572,7 +572,7 @@
 	 * @param when
 	 *            new cached modification date of the file, in milliseconds.
 	 */
-	public void setLastModified(final long when) {
+	public void setLastModified(long when) {
 		encodeTS(P_MTIME, when);
 	}
 
@@ -604,7 +604,7 @@
 	 *            new cached size of the file, as bytes. If the file is larger
 	 *            than 2G, cast it to (int) before calling this method.
 	 */
-	public void setLength(final int sz) {
+	public void setLength(int sz) {
 		NB.encodeInt32(info, infoOffset + P_SIZE, sz);
 	}
 
@@ -614,7 +614,7 @@
 	 * @param sz
 	 *            new cached size of the file, as bytes.
 	 */
-	public void setLength(final long sz) {
+	public void setLength(long sz) {
 		setLength((int) sz);
 	}
 
@@ -638,7 +638,7 @@
 	 *            {@link org.eclipse.jgit.lib.ObjectId#zeroId()} to remove the
 	 *            current identifier.
 	 */
-	public void setObjectId(final AnyObjectId id) {
+	public void setObjectId(AnyObjectId id) {
 		id.copyRawTo(idBuffer(), idOffset());
 	}
 
@@ -651,7 +651,7 @@
 	 * @param p
 	 *            position to read the first byte of data from.
 	 */
-	public void setObjectIdFromRaw(final byte[] bs, final int p) {
+	public void setObjectIdFromRaw(byte[] bs, int p) {
 		final int n = Constants.OBJECT_ID_LENGTH;
 		System.arraycopy(bs, p, idBuffer(), idOffset(), n);
 	}
@@ -704,7 +704,7 @@
 	 * @param src
 	 *            the entry to copy ObjectId and meta fields from.
 	 */
-	public void copyMetaData(final DirCacheEntry src) {
+	public void copyMetaData(DirCacheEntry src) {
 		copyMetaData(src, false);
 	}
 
@@ -719,7 +719,7 @@
 	 * @param keepStage
 	 *            if true, the stage attribute will not be copied
 	 */
-	void copyMetaData(final DirCacheEntry src, boolean keepStage) {
+	void copyMetaData(DirCacheEntry src, boolean keepStage) {
 		int origflags = NB.decodeUInt16(info, infoOffset + P_FLAGS);
 		int newflags = NB.decodeUInt16(src.info, src.infoOffset + P_FLAGS);
 		System.arraycopy(src.info, src.infoOffset, info, infoOffset, INFO_LEN);
@@ -741,14 +741,14 @@
 		return (info[infoOffset + P_FLAGS] & EXTENDED) != 0;
 	}
 
-	private long decodeTS(final int pIdx) {
+	private long decodeTS(int pIdx) {
 		final int base = infoOffset + pIdx;
 		final int sec = NB.decodeInt32(info, base);
 		final int ms = NB.decodeInt32(info, base + 4) / 1000000;
 		return 1000L * sec + ms;
 	}
 
-	private void encodeTS(final int pIdx, final long when) {
+	private void encodeTS(int pIdx, long when) {
 		final int base = infoOffset + pIdx;
 		NB.encodeInt32(info, base, (int) (when / 1000));
 		NB.encodeInt32(info, base + 4, ((int) (when % 1000)) * 1000000);
@@ -771,7 +771,7 @@
 		}
 	}
 
-	static String toString(final byte[] path) {
+	static String toString(byte[] path) {
 		return Constants.CHARSET.decode(ByteBuffer.wrap(path)).toString();
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheIterator.java
index d768216..19c916f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheIterator.java
@@ -114,7 +114,7 @@
 	 * @param dc
 	 *            the cache to walk. It must be already loaded into memory.
 	 */
-	public DirCacheIterator(final DirCache dc) {
+	public DirCacheIterator(DirCache dc) {
 		cache = dc;
 		tree = dc.getCacheTree(true);
 		treeStart = 0;
@@ -124,7 +124,7 @@
 			parseEntry();
 	}
 
-	DirCacheIterator(final DirCacheIterator p, final DirCacheTree dct) {
+	DirCacheIterator(DirCacheIterator p, DirCacheTree dct) {
 		super(p, p.path, p.pathLen + 1);
 		cache = p.cache;
 		tree = dct;
@@ -137,7 +137,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader)
+	public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
 		if (currentSubtree == null)
 			throw new IncorrectObjectTypeException(getEntryObjectId(),
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
index dc825d4..b605f3c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/dircache/DirCacheTree.java
@@ -82,7 +82,7 @@
 
 	private static final Comparator<DirCacheTree> TREE_CMP = new Comparator<DirCacheTree>() {
 		@Override
-		public int compare(final DirCacheTree o1, final DirCacheTree o2) {
+		public int compare(DirCacheTree o1, DirCacheTree o2) {
 			final byte[] a = o1.encodedName;
 			final byte[] b = o2.encodedName;
 			final int aLen = a.length;
@@ -185,7 +185,7 @@
 		childCnt = subcnt;
 	}
 
-	void write(final byte[] tmp, final OutputStream os) throws IOException {
+	void write(byte[] tmp, OutputStream os) throws IOException {
 		int ptr = tmp.length;
 		tmp[--ptr] = '\n';
 		ptr = RawParseUtils.formatBase10(tmp, ptr, childCnt);
@@ -248,7 +248,7 @@
 	 *            index of the child to obtain.
 	 * @return the child tree.
 	 */
-	public DirCacheTree getChild(final int i) {
+	public DirCacheTree getChild(int i) {
 		return children[i];
 	}
 
@@ -389,7 +389,7 @@
 		return size;
 	}
 
-	private void appendName(final StringBuilder r) {
+	private void appendName(StringBuilder r) {
 		if (parent != null) {
 			parent.appendName(r);
 			r.append(getNameString());
@@ -404,7 +404,7 @@
 		return encodedName.length;
 	}
 
-	final boolean contains(final byte[] a, int aOff, final int aLen) {
+	final boolean contains(byte[] a, int aOff, int aLen) {
 		final byte[] e = encodedName;
 		final int eLen = e.length;
 		for (int eOff = 0; eOff < eLen && aOff < aLen; eOff++, aOff++)
@@ -503,7 +503,7 @@
 			removeChild(childCnt - 1);
 	}
 
-	private void insertChild(final int stIdx, final DirCacheTree st) {
+	private void insertChild(int stIdx, DirCacheTree st) {
 		final DirCacheTree[] c = children;
 		if (childCnt + 1 <= c.length) {
 			if (stIdx < childCnt)
@@ -524,14 +524,14 @@
 		childCnt++;
 	}
 
-	private void removeChild(final int stIdx) {
+	private void removeChild(int stIdx) {
 		final int n = --childCnt;
 		if (stIdx < n)
 			System.arraycopy(children, stIdx + 1, children, stIdx, n - stIdx);
 		children[n] = null;
 	}
 
-	static boolean peq(final byte[] a, final byte[] b, int aLen) {
+	static boolean peq(byte[] a, byte[] b, int aLen) {
 		if (b.length < aLen)
 			return false;
 		for (aLen--; aLen >= 0; aLen--)
@@ -540,7 +540,7 @@
 		return true;
 	}
 
-	private static int namecmp(final byte[] a, int aPos, final DirCacheTree ct) {
+	private static int namecmp(byte[] a, int aPos, DirCacheTree ct) {
 		if (ct == null)
 			return -1;
 		final byte[] b = ct.encodedName;
@@ -557,7 +557,7 @@
 		return aLen - bLen;
 	}
 
-	private static int slash(final byte[] a, int aPos) {
+	private static int slash(byte[] a, int aPos) {
 		final int aLen = a.length;
 		for (; aPos < aLen; aPos++)
 			if (a[aPos] == '/')
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/CompoundException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/CompoundException.java
index 62ff990..1df70e3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/CompoundException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/CompoundException.java
@@ -56,10 +56,10 @@
 public class CompoundException extends Exception {
 	private static final long serialVersionUID = 1L;
 
-	private static String format(final Collection<Throwable> causes) {
+	private static String format(Collection<Throwable> causes) {
 		final StringBuilder msg = new StringBuilder();
 		msg.append(JGitText.get().failureDueToOneOfTheFollowing);
-		for (final Throwable c : causes) {
+		for (Throwable c : causes) {
 			msg.append("  "); //$NON-NLS-1$
 			msg.append(c.getMessage());
 			msg.append("\n"); //$NON-NLS-1$
@@ -75,7 +75,7 @@
 	 * @param why
 	 *            Two or more exceptions that may have been the problem.
 	 */
-	public CompoundException(final Collection<Throwable> why) {
+	public CompoundException(Collection<Throwable> why) {
 		super(format(why));
 		causeList = Collections.unmodifiableList(new ArrayList<>(why));
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/ConfigInvalidException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/ConfigInvalidException.java
index a7e1d02..24f43cf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/ConfigInvalidException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/ConfigInvalidException.java
@@ -55,7 +55,7 @@
 	 * @param message
 	 *            why the configuration is invalid.
 	 */
-	public ConfigInvalidException(final String message) {
+	public ConfigInvalidException(String message) {
 		super(message);
 	}
 
@@ -67,7 +67,7 @@
 	 * @param cause
 	 *            root cause of the error.
 	 */
-	public ConfigInvalidException(final String message, final Throwable cause) {
+	public ConfigInvalidException(String message, Throwable cause) {
 		super(message, cause);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/EntryExistsException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/EntryExistsException.java
index 8dd0d53..b97d237 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/EntryExistsException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/EntryExistsException.java
@@ -61,7 +61,7 @@
 	 *
 	 * @param name workdir relative file name
 	 */
-	public EntryExistsException(final String name) {
+	public EntryExistsException(String name) {
 		super(MessageFormat.format(JGitText.get().treeEntryAlreadyExists, name));
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IllegalTodoFileModification.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IllegalTodoFileModification.java
index a647121..785cb95 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IllegalTodoFileModification.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IllegalTodoFileModification.java
@@ -56,7 +56,7 @@
 	 * @param msg
 	 *            error message
 	 */
-	public IllegalTodoFileModification(final String msg) {
+	public IllegalTodoFileModification(String msg) {
 		super(msg);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IncorrectObjectTypeException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IncorrectObjectTypeException.java
index 7ba3a00..5abd0c3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IncorrectObjectTypeException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IncorrectObjectTypeException.java
@@ -70,7 +70,7 @@
 	 * @param id SHA-1
 	 * @param type object type
 	 */
-	public IncorrectObjectTypeException(final ObjectId id, final String type) {
+	public IncorrectObjectTypeException(ObjectId id, String type) {
 		super(MessageFormat.format(JGitText.get().objectIsNotA, id.name(), type));
 	}
 
@@ -82,7 +82,7 @@
 	 * @param id SHA-1
 	 * @param type object type
 	 */
-	public IncorrectObjectTypeException(final ObjectId id, final int type) {
+	public IncorrectObjectTypeException(ObjectId id, int type) {
 		this(id, Constants.typeString(type));
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexReadException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexReadException.java
index 70f650d..e07d308 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexReadException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexReadException.java
@@ -63,7 +63,7 @@
 	 * @param s
 	 *            message
 	 */
-	public IndexReadException(final String s) {
+	public IndexReadException(String s) {
 		super(s);
 	}
 
@@ -75,7 +75,7 @@
 	 * @param cause
 	 *            root cause exception
 	 */
-	public IndexReadException(final String s, final Throwable cause) {
+	public IndexReadException(String s, Throwable cause) {
 		super(s);
 		initCause(cause);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexWriteException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexWriteException.java
index de19c06..34fd7a8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexWriteException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/IndexWriteException.java
@@ -60,7 +60,7 @@
 	 *
 	 * @param s message
 	 */
-	public IndexWriteException(final String s) {
+	public IndexWriteException(String s) {
 		super(s);
 	}
 
@@ -70,7 +70,7 @@
 	 * @param s message
 	 * @param cause root cause exception
 	 */
-	public IndexWriteException(final String s, final Throwable cause) {
+	public IndexWriteException(String s, Throwable cause) {
 		super(s);
 		initCause(cause);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingBundlePrerequisiteException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingBundlePrerequisiteException.java
index 09bb4a9..b37d20d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingBundlePrerequisiteException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingBundlePrerequisiteException.java
@@ -56,10 +56,10 @@
 public class MissingBundlePrerequisiteException extends TransportException {
 	private static final long serialVersionUID = 1L;
 
-	private static String format(final Map<ObjectId, String> missingCommits) {
+	private static String format(Map<ObjectId, String> missingCommits) {
 		final StringBuilder r = new StringBuilder();
 		r.append(JGitText.get().missingPrerequisiteCommits);
-		for (final Map.Entry<ObjectId, String> e : missingCommits.entrySet()) {
+		for (Map.Entry<ObjectId, String> e : missingCommits.entrySet()) {
 			r.append("\n  "); //$NON-NLS-1$
 			r.append(e.getKey().name());
 			if (e.getValue() != null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingObjectException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingObjectException.java
index f6aa092..c6c47f9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingObjectException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/MissingObjectException.java
@@ -69,7 +69,7 @@
 	 * @param id SHA-1
 	 * @param type object type
 	 */
-	public MissingObjectException(final ObjectId id, final String type) {
+	public MissingObjectException(ObjectId id, String type) {
 		super(MessageFormat.format(JGitText.get().missingObject, type, id.name()));
 		missing = id.copy();
 	}
@@ -81,7 +81,7 @@
 	 * @param id SHA-1
 	 * @param type object type
 	 */
-	public MissingObjectException(final ObjectId id, final int type) {
+	public MissingObjectException(ObjectId id, int type) {
 		this(id, Constants.typeString(type));
 	}
 
@@ -94,7 +94,7 @@
 	 * @param type
 	 *            object type
 	 */
-	public MissingObjectException(final AbbreviatedObjectId id, final int type) {
+	public MissingObjectException(AbbreviatedObjectId id, int type) {
 		super(MessageFormat.format(JGitText.get().missingObject, Constants
 				.typeString(type), id.name()));
 		missing = null;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoPackSignatureException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoPackSignatureException.java
index 28e9788..8c2e872 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoPackSignatureException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoPackSignatureException.java
@@ -60,7 +60,7 @@
 	 * @param why
 	 *            description of the type of error.
 	 */
-	public NoPackSignatureException(final String why) {
+	public NoPackSignatureException(String why) {
 		super(why);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoRemoteRepositoryException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoRemoteRepositoryException.java
index fe073d5..524968d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoRemoteRepositoryException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NoRemoteRepositoryException.java
@@ -59,7 +59,7 @@
 	 * @param s
 	 *            message
 	 */
-	public NoRemoteRepositoryException(final URIish uri, final String s) {
+	public NoRemoteRepositoryException(URIish uri, String s) {
 		super(uri, s);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NotSupportedException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NotSupportedException.java
index 124680e..114e662 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/NotSupportedException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/NotSupportedException.java
@@ -58,7 +58,7 @@
 	 *
 	 * @param s message describing the issue
 	 */
-	public NotSupportedException(final String s) {
+	public NotSupportedException(String s) {
 		super(s);
 	}
 
@@ -70,7 +70,7 @@
 	 * @param why
 	 *            a lower level implementation specific issue.
 	 */
-	public NotSupportedException(final String s, final Throwable why) {
+	public NotSupportedException(String s, Throwable why) {
 		super(s);
 		initCause(why);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/ObjectWritingException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/ObjectWritingException.java
index 8af1991..bbee42f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/ObjectWritingException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/ObjectWritingException.java
@@ -58,7 +58,7 @@
 	 *
 	 * @param s message
 	 */
-	public ObjectWritingException(final String s) {
+	public ObjectWritingException(String s) {
 		super(s);
 	}
 
@@ -68,7 +68,7 @@
 	 * @param s message
 	 * @param cause root cause exception
 	 */
-	public ObjectWritingException(final String s, final Throwable cause) {
+	public ObjectWritingException(String s, Throwable cause) {
 		super(s);
 		initCause(cause);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackInvalidException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackInvalidException.java
index 217d209..b238ab4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackInvalidException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackInvalidException.java
@@ -63,7 +63,7 @@
 	 * @deprecated Use {@link #PackInvalidException(File, Throwable)}.
 	 */
 	@Deprecated
-	public PackInvalidException(final File path) {
+	public PackInvalidException(File path) {
 		this(path, null);
 	}
 
@@ -76,7 +76,7 @@
 	 *            cause of the pack file becoming invalid.
 	 * @since 4.5.7
 	 */
-	public PackInvalidException(final File path, Throwable cause) {
+	public PackInvalidException(File path, Throwable cause) {
 		this(path.getAbsolutePath(), cause);
 	}
 
@@ -88,7 +88,7 @@
 	 * @deprecated Use {@link #PackInvalidException(String, Throwable)}.
 	 */
 	@Deprecated
-	public PackInvalidException(final String path) {
+	public PackInvalidException(String path) {
 		this(path, null);
 	}
 
@@ -101,7 +101,7 @@
 	 *            cause of the pack file becoming invalid.
 	 * @since 4.5.7
 	 */
-	public PackInvalidException(final String path, Throwable cause) {
+	public PackInvalidException(String path, Throwable cause) {
 		super(MessageFormat.format(JGitText.get().packFileInvalid, path), cause);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackMismatchException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackMismatchException.java
index 5b9a4b9..ea1e65b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackMismatchException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackMismatchException.java
@@ -57,7 +57,7 @@
 	 * @param why
 	 *            description of the type of error.
 	 */
-	public PackMismatchException(final String why) {
+	public PackMismatchException(String why) {
 		super(why);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackProtocolException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackProtocolException.java
index 44bc164..dd13740 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackProtocolException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/PackProtocolException.java
@@ -62,7 +62,7 @@
 	 * @param s
 	 *            message, which may be shown to an end-user.
 	 */
-	public PackProtocolException(final URIish uri, final String s) {
+	public PackProtocolException(URIish uri, String s) {
 		super(uri + ": " + s); //$NON-NLS-1$
 	}
 
@@ -88,7 +88,7 @@
 	 * @param s
 	 *            message, which may be shown to an end-user.
 	 */
-	public PackProtocolException(final String s) {
+	public PackProtocolException(String s) {
 		super(s);
 	}
 
@@ -100,7 +100,7 @@
 	 * @param cause
 	 *            root cause exception
 	 */
-	public PackProtocolException(final String s, final Throwable cause) {
+	public PackProtocolException(String s, Throwable cause) {
 		super(s);
 		initCause(cause);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/RepositoryNotFoundException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/RepositoryNotFoundException.java
index aabb46a..04fd8ea 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/RepositoryNotFoundException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/RepositoryNotFoundException.java
@@ -60,7 +60,7 @@
 	 * @param location
 	 *            description of the repository not found, usually file path.
 	 */
-	public RepositoryNotFoundException(final File location) {
+	public RepositoryNotFoundException(File location) {
 		this(location.getPath());
 	}
 
@@ -72,7 +72,7 @@
 	 * @param why
 	 *            why the repository does not exist.
 	 */
-	public RepositoryNotFoundException(final File location, Throwable why) {
+	public RepositoryNotFoundException(File location, Throwable why) {
 		this(location.getPath(), why);
 	}
 
@@ -82,7 +82,7 @@
 	 * @param location
 	 *            description of the repository not found, usually file path.
 	 */
-	public RepositoryNotFoundException(final String location) {
+	public RepositoryNotFoundException(String location) {
 		super(message(location));
 	}
 
@@ -98,7 +98,7 @@
 		super(message(location), why);
 	}
 
-	private static String message(final String location) {
+	private static String message(String location) {
 		return MessageFormat.format(JGitText.get().repositoryNotFound, location);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/RevWalkException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/RevWalkException.java
index 82654e8..f6852b5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/RevWalkException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/RevWalkException.java
@@ -65,7 +65,7 @@
 	 * @param cause
 	 *            the checked exception that describes why the walk failed.
 	 */
-	public RevWalkException(final Throwable cause) {
+	public RevWalkException(Throwable cause) {
 		super(JGitText.get().walkFailure, cause);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/StoredObjectRepresentationNotAvailableException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/StoredObjectRepresentationNotAvailableException.java
index 8fa14c7..611fd66 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/StoredObjectRepresentationNotAvailableException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/StoredObjectRepresentationNotAvailableException.java
@@ -56,21 +56,6 @@
 	 *
 	 * @param otp
 	 *            the object whose current representation is no longer present.
-	 * @deprecated use
-	 *             {@link #StoredObjectRepresentationNotAvailableException(ObjectToPack, Throwable)}
-	 *             instead.
-	 * @since 3.0
-	 */
-	@Deprecated
-	public StoredObjectRepresentationNotAvailableException(ObjectToPack otp) {
-		// Do nothing.
-	}
-
-	/**
-	 * Construct an error for an object.
-	 *
-	 * @param otp
-	 *            the object whose current representation is no longer present.
 	 * @param cause
 	 *            cause
 	 * @since 4.10
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/SymlinksNotSupportedException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/SymlinksNotSupportedException.java
index 60d7aa0..dc59c8c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/SymlinksNotSupportedException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/SymlinksNotSupportedException.java
@@ -58,7 +58,7 @@
 	 *
 	 * @param s name of link in tree or workdir
 	 */
-	public SymlinksNotSupportedException(final String s) {
+	public SymlinksNotSupportedException(String s) {
 		super(s);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/TransportException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/TransportException.java
index 86dea82..5fecf0e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/TransportException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/TransportException.java
@@ -64,7 +64,7 @@
 	 * @param s
 	 *            message
 	 */
-	public TransportException(final URIish uri, final String s) {
+	public TransportException(URIish uri, String s) {
 		super(uri.setPass(null) + ": " + s); //$NON-NLS-1$
 	}
 
@@ -90,7 +90,7 @@
 	 * @param s
 	 *            message
 	 */
-	public TransportException(final String s) {
+	public TransportException(String s) {
 		super(s);
 	}
 
@@ -102,7 +102,7 @@
 	 * @param cause
 	 *            root cause exception
 	 */
-	public TransportException(final String s, final Throwable cause) {
+	public TransportException(String s, Throwable cause) {
 		super(s);
 		initCause(cause);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnmergedPathException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnmergedPathException.java
index 4fc534b..6de9153 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnmergedPathException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnmergedPathException.java
@@ -63,7 +63,7 @@
 	 * @param dce
 	 *            the first non-zero stage of the unmerged path.
 	 */
-	public UnmergedPathException(final DirCacheEntry dce) {
+	public UnmergedPathException(DirCacheEntry dce) {
 		super(MessageFormat.format(JGitText.get().unmergedPath, dce.getPathString()));
 		entry = dce;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java
index 88c2ef6..9bab687 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedCredentialItem.java
@@ -62,7 +62,7 @@
 	 * @param s
 	 *            message
 	 */
-	public UnsupportedCredentialItem(final URIish uri, final String s) {
+	public UnsupportedCredentialItem(URIish uri, String s) {
 		super(uri.setPass(null) + ": " + s); //$NON-NLS-1$
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackIndexVersionException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackIndexVersionException.java
index 0b7ccf5..0a4fef1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackIndexVersionException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackIndexVersionException.java
@@ -62,7 +62,7 @@
 	 * @param version
 	 *            pack index version
 	 */
-	public UnsupportedPackIndexVersionException(final int version) {
+	public UnsupportedPackIndexVersionException(int version) {
 		super(MessageFormat.format(JGitText.get().unsupportedPackIndexVersion,
 				Integer.valueOf(version)));
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackVersionException.java b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackVersionException.java
index 2361186..cbf8f3a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackVersionException.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/errors/UnsupportedPackVersionException.java
@@ -62,7 +62,7 @@
 	 * @param version
 	 *            pack version
 	 */
-	public UnsupportedPackVersionException(final long version) {
+	public UnsupportedPackVersionException(long version) {
 		super(MessageFormat.format(JGitText.get().unsupportedPackVersion,
 				Long.valueOf(version)));
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/events/IndexChangedEvent.java b/org.eclipse.jgit/src/org/eclipse/jgit/events/IndexChangedEvent.java
index 647ec8a..dcce86a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/events/IndexChangedEvent.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/events/IndexChangedEvent.java
@@ -47,6 +47,28 @@
  * Describes a change to one or more paths in the index file.
  */
 public class IndexChangedEvent extends RepositoryEvent<IndexChangedListener> {
+	private boolean internal;
+
+	/**
+	 * Notify that the index changed
+	 *
+	 * @param internal
+	 *                     {@code true} if the index was changed by the same
+	 *                     JGit process
+	 * @since 5.0
+	 */
+	public IndexChangedEvent(boolean internal) {
+		this.internal = internal;
+	}
+
+	/**
+	 * @return {@code true} if the index was changed by the same JGit process
+	 * @since 5.0
+	 */
+	public boolean isInternal() {
+		return internal;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public Class<IndexChangedListener> getListenerType() {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/CharacterHead.java b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/CharacterHead.java
index 98aee0e..7039c3d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/CharacterHead.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/CharacterHead.java
@@ -53,14 +53,14 @@
 	 * @param expectedCharacter
 	 *            expected {@code char}
 	 */
-	protected CharacterHead(final char expectedCharacter) {
+	protected CharacterHead(char expectedCharacter) {
 		super(false);
 		this.expectedCharacter = expectedCharacter;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	protected final boolean matches(final char c) {
+	protected final boolean matches(char c) {
 		return c == expectedCharacter;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/FileNameMatcher.java b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/FileNameMatcher.java
index 5663039..bfcc580 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/FileNameMatcher.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/FileNameMatcher.java
@@ -105,7 +105,7 @@
 	 * @param headsStartValue
 	 *            must be a list which will never be modified.
 	 */
-	private FileNameMatcher(final List<Head> headsStartValue) {
+	private FileNameMatcher(List<Head> headsStartValue) {
 		this(headsStartValue, headsStartValue);
 	}
 
@@ -315,7 +315,7 @@
 	 * @param c new character to append
 	 * @return true to continue, false if the matcher can stop appending
 	 */
-	private boolean extendStringToMatchByOneCharacter(final char c) {
+	private boolean extendStringToMatchByOneCharacter(char c) {
 		final List<Head> newHeads = listForLocalUseage;
 		newHeads.clear();
 		List<Head> lastAddedHeads = null;
@@ -357,7 +357,7 @@
 	 *            extends the string which is matched against the patterns of
 	 *            this class.
 	 */
-	public void append(final String stringToMatch) {
+	public void append(String stringToMatch) {
 		for (int i = 0; i < stringToMatch.length(); i++) {
 			final char c = stringToMatch.charAt(i);
 			if (!extendStringToMatchByOneCharacter(c))
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/GroupHead.java b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/GroupHead.java
index 965d900..1dc5931 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/GroupHead.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/GroupHead.java
@@ -61,7 +61,7 @@
 
 	private final boolean inverse;
 
-	GroupHead(String pattern, final String wholePattern)
+	GroupHead(String pattern, String wholePattern)
 			throws InvalidPatternException {
 		super(false);
 		this.characterClasses = new ArrayList<>();
@@ -132,7 +132,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected final boolean matches(final char c) {
+	protected final boolean matches(char c) {
 		for (CharacterPattern pattern : characterClasses) {
 			if (pattern.matches(c)) {
 				return !inverse;
@@ -214,7 +214,7 @@
 	private static final class OneCharacterPattern implements CharacterPattern {
 		private char expectedCharacter;
 
-		OneCharacterPattern(final char c) {
+		OneCharacterPattern(char c) {
 			this.expectedCharacter = c;
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/RestrictedWildCardHead.java b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/RestrictedWildCardHead.java
index c132e28..45e6ed2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/RestrictedWildCardHead.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/RestrictedWildCardHead.java
@@ -47,14 +47,14 @@
 final class RestrictedWildCardHead extends AbstractHead {
 	private final char excludedCharacter;
 
-	RestrictedWildCardHead(final char excludedCharacter, final boolean star) {
+	RestrictedWildCardHead(char excludedCharacter, boolean star) {
 		super(star);
 		this.excludedCharacter = excludedCharacter;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	protected final boolean matches(final char c) {
+	protected final boolean matches(char c) {
 		return c != excludedCharacter;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/WildCardHead.java b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/WildCardHead.java
index c806e23..07362aa 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/WildCardHead.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/fnmatch/WildCardHead.java
@@ -51,7 +51,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected final boolean matches(final char c) {
+	protected final boolean matches(char c) {
 		return true;
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
index 8b8df87..80fd3cf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
@@ -413,7 +413,7 @@
 	 *            a {@link org.eclipse.jgit.lib.ProgressMonitor}
 	 * @return this command
 	 */
-	public RepoCommand setProgressMonitor(final ProgressMonitor monitor) {
+	public RepoCommand setProgressMonitor(ProgressMonitor monitor) {
 		this.monitor = monitor;
 		return this;
 	}
@@ -448,7 +448,7 @@
 	 *            the author's {@link org.eclipse.jgit.lib.PersonIdent}
 	 * @return this command
 	 */
-	public RepoCommand setAuthor(final PersonIdent author) {
+	public RepoCommand setAuthor(PersonIdent author) {
 		this.author = author;
 		return this;
 	}
@@ -463,7 +463,7 @@
 	 *            object.
 	 * @return this command
 	 */
-	public RepoCommand setRemoteReader(final RemoteReader callback) {
+	public RepoCommand setRemoteReader(RemoteReader callback) {
 		this.callback = callback;
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoProject.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoProject.java
index e827612..7ba83c7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoProject.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoProject.java
@@ -131,18 +131,10 @@
 			File srcFile = new File(repo.getWorkTree(),
 					path + "/" + src); //$NON-NLS-1$
 			File destFile = new File(repo.getWorkTree(), dest);
-			FileInputStream input = new FileInputStream(srcFile);
-			try {
-				FileOutputStream output = new FileOutputStream(destFile);
-				try {
-					FileChannel channel = input.getChannel();
-					output.getChannel().transferFrom(
-							channel, 0, channel.size());
-				} finally {
-					output.close();
-				}
-			} finally {
-				input.close();
+			try (FileInputStream input = new FileInputStream(srcFile);
+					FileOutputStream output = new FileOutputStream(destFile)) {
+				FileChannel channel = input.getChannel();
+				output.getChannel().transferFrom(channel, 0, channel.size());
 			}
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
index ad43e2c..8a61d1b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/GitHook.java
@@ -42,7 +42,7 @@
  */
 package org.eclipse.jgit.hooks;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
@@ -158,7 +158,7 @@
 		PrintStream hookErrRedirect = null;
 		try {
 			hookErrRedirect = new PrintStream(errorByteArray, false,
-					UTF_8.name());
+					CHARSET.name());
 		} catch (UnsupportedEncodingException e) {
 			// UTF-8 is guaranteed to be available
 		}
@@ -167,7 +167,7 @@
 				hookErrRedirect, getStdinArgs());
 		if (result.isExecutedWithError()) {
 			throw new AbortedByHookException(
-					new String(errorByteArray.toByteArray(), UTF_8),
+					new String(errorByteArray.toByteArray(), CHARSET),
 					getHookName(), result.getExitCode());
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/Hooks.java b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/Hooks.java
index 79395ed..b801d68 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/hooks/Hooks.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/hooks/Hooks.java
@@ -115,7 +115,11 @@
 					outputStream);
 			if (hook != null) {
 				if (hook.isNativeHookPresent()) {
-					throw new IllegalStateException(MessageFormat
+					PrintStream ps = outputStream;
+					if (ps == null) {
+						ps = System.out;
+					}
+					ps.println(MessageFormat
 							.format(JGitText.get().lfsHookConflict, repo));
 				}
 				return hook;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/ignore/IgnoreNode.java b/org.eclipse.jgit/src/org/eclipse/jgit/ignore/IgnoreNode.java
index 1224df4..d570fde 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/ignore/IgnoreNode.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/ignore/IgnoreNode.java
@@ -163,35 +163,6 @@
 	 *            (uses '/' and not '\').
 	 * @param isDirectory
 	 *            true if the target item is a directory.
-	 * @param negateFirstMatch
-	 *            true if the first match should be negated
-	 * @deprecated negateFirstMatch is not honored anymore
-	 * @return status of the path.
-	 * @since 3.6
-	 */
-	@Deprecated
-	public MatchResult isIgnored(String entryPath, boolean isDirectory,
-			boolean negateFirstMatch) {
-		final Boolean result = checkIgnored(entryPath, isDirectory);
-		if (result == null) {
-			return negateFirstMatch
-					? MatchResult.CHECK_PARENT_NEGATE_FIRST_MATCH
-					: MatchResult.CHECK_PARENT;
-		}
-
-		return result.booleanValue() ? MatchResult.IGNORED
-				: MatchResult.NOT_IGNORED;
-	}
-
-	/**
-	 * Determine if an entry path matches an ignore rule.
-	 *
-	 * @param entryPath
-	 *            the path to test. The path must be relative to this ignore
-	 *            node's own repository path, and in repository path format
-	 *            (uses '/' and not '\').
-	 * @param isDirectory
-	 *            true if the target item is a directory.
 	 * @return Boolean.TRUE, if the entry is ignored; Boolean.FALSE, if the
 	 *         entry is forced to be not ignored (negated match); or null, if
 	 *         undetermined
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java
index 120d6ad..d2f6232 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/JGitText.java
@@ -287,6 +287,8 @@
 	/***/ public String credentialUsername;
 	/***/ public String daemonAlreadyRunning;
 	/***/ public String daysAgo;
+	/***/ public String deepenNotWithDeepen;
+	/***/ public String deepenSinceWithDeepen;
 	/***/ public String deleteBranchUnexpectedResult;
 	/***/ public String deleteFileFailed;
 	/***/ public String deleteRequiresZeroNewId;
@@ -372,6 +374,7 @@
 	/***/ public String fileModeNotSetForPath;
 	/***/ public String filterExecutionFailed;
 	/***/ public String filterExecutionFailedRc;
+	/***/ public String filterRequiresCapability;
 	/***/ public String findingGarbage;
 	/***/ public String flagIsDisposed;
 	/***/ public String flagNotFromThis;
@@ -423,6 +426,7 @@
 	/***/ public String invalidDepth;
 	/***/ public String invalidEncryption;
 	/***/ public String invalidExpandWildcard;
+	/***/ public String invalidFilter;
 	/***/ public String invalidGitdirRef;
 	/***/ public String invalidGitModules;
 	/***/ public String invalidGitType;
@@ -458,6 +462,7 @@
 	/***/ public String invalidSystemProperty;
 	/***/ public String invalidTagOption;
 	/***/ public String invalidTimeout;
+	/***/ public String invalidTimestamp;
 	/***/ public String invalidTimeUnitValue2;
 	/***/ public String invalidTimeUnitValue3;
 	/***/ public String invalidTreeZeroLengthName;
@@ -690,6 +695,7 @@
 	/***/ public String sourceRefDoesntResolveToAnyObject;
 	/***/ public String sourceRefNotSpecifiedForRefspec;
 	/***/ public String squashCommitNotUpdatingHEAD;
+	/***/ public String sshCommandFailed;
 	/***/ public String sshUserNameError;
 	/***/ public String sslFailureExceptionMessage;
 	/***/ public String sslFailureInfo;
@@ -735,6 +741,7 @@
 	/***/ public String timeIsUncertain;
 	/***/ public String timerAlreadyTerminated;
 	/***/ public String tooManyCommands;
+	/***/ public String tooManyFilters;
 	/***/ public String tooManyIncludeRecursions;
 	/***/ public String topologicalSortRequired;
 	/***/ public String transportExceptionBadRef;
@@ -777,6 +784,7 @@
 	/***/ public String unexpectedEofInPack;
 	/***/ public String unexpectedHunkTrailer;
 	/***/ public String unexpectedOddResult;
+	/***/ public String unexpectedPacketLine;
 	/***/ public String unexpectedRefReport;
 	/***/ public String unexpectedReportLine;
 	/***/ public String unexpectedReportLine2;
@@ -791,6 +799,7 @@
 	/***/ public String unknownObjectType2;
 	/***/ public String unknownRepositoryFormat;
 	/***/ public String unknownRepositoryFormat2;
+	/***/ public String unknownTransportCommand;
 	/***/ public String unknownZlibError;
 	/***/ public String unlockLockFileFailed;
 	/***/ public String unmergedPath;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/KetchSystem.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/KetchSystem.java
index 1908d6c..d1d4f67 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/KetchSystem.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/KetchSystem.java
@@ -260,7 +260,7 @@
 	 * @throws java.net.URISyntaxException
 	 *             a follower configuration contains an unsupported URI.
 	 */
-	public KetchLeader createLeader(final Repository repo)
+	public KetchLeader createLeader(Repository repo)
 			throws URISyntaxException {
 		KetchLeader leader = new KetchLeader(this) {
 			@Override
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/LocalReplica.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/LocalReplica.java
index 9c37a90..7ddde63 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/LocalReplica.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/LocalReplica.java
@@ -122,7 +122,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void startPush(final ReplicaPushRequest req) {
+	protected void startPush(ReplicaPushRequest req) {
 		getSystem().getExecutor().execute(new Runnable() {
 			@Override
 			public void run() {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/RemoteGitReplica.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/RemoteGitReplica.java
index 674da1f..b61274e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/RemoteGitReplica.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/ketch/RemoteGitReplica.java
@@ -138,7 +138,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void startPush(final ReplicaPushRequest req) {
+	protected void startPush(ReplicaPushRequest req) {
 		getSystem().getExecutor().execute(new Runnable() {
 			@Override
 			public void run() {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCache.java
index 14dc80f..4687952 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCache.java
@@ -181,7 +181,7 @@
 	private Ref clockHand;
 
 	@SuppressWarnings("unchecked")
-	private DfsBlockCache(final DfsBlockCacheConfig cfg) {
+	private DfsBlockCache(DfsBlockCacheConfig cfg) {
 		tableSize = tableSize(cfg);
 		if (tableSize < 1)
 			throw new IllegalArgumentException(JGitText.get().tSizeMustBeGreaterOrEqual1);
@@ -330,7 +330,7 @@
 		return blockSize;
 	}
 
-	private static int tableSize(final DfsBlockCacheConfig cfg) {
+	private static int tableSize(DfsBlockCacheConfig cfg) {
 		final int wsz = cfg.getBlockSize();
 		final long limit = cfg.getBlockLimit();
 		if (wsz <= 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
index cd7901b..dd7cb89 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsBlockCacheConfig.java
@@ -106,7 +106,7 @@
 	 *            pack file data; must be positive.
 	 * @return {@code this}
 	 */
-	public DfsBlockCacheConfig setBlockLimit(final long newLimit) {
+	public DfsBlockCacheConfig setBlockLimit(long newLimit) {
 		if (newLimit <= 0) {
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().blockLimitNotPositive,
@@ -135,7 +135,7 @@
 	 *            The value must be a power of 2.
 	 * @return {@code this}
 	 */
-	public DfsBlockCacheConfig setBlockSize(final int newSize) {
+	public DfsBlockCacheConfig setBlockSize(int newSize) {
 		int size = Math.max(512, newSize);
 		if ((size & (size - 1)) != 0) {
 			throw new IllegalArgumentException(
@@ -206,7 +206,7 @@
 	 *            configuration to read properties from.
 	 * @return {@code this}
 	 */
-	public DfsBlockCacheConfig fromConfig(final Config rc) {
+	public DfsBlockCacheConfig fromConfig(Config rc) {
 		long cfgBlockLimit = rc.getLong(
 				CONFIG_CORE_SECTION,
 				CONFIG_DFS_SECTION,
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsGarbageCollector.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsGarbageCollector.java
index 69989a4..ca11fb9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsGarbageCollector.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsGarbageCollector.java
@@ -403,7 +403,7 @@
 	}
 
 	private Collection<Ref> getAllRefs() throws IOException {
-		Collection<Ref> refs = refdb.getRefs(RefDatabase.ALL).values();
+		Collection<Ref> refs = refdb.getRefs();
 		List<Ref> addl = refdb.getAdditionalRefs();
 		if (!addl.isEmpty()) {
 			List<Ref> all = new ArrayList<>(refs.size() + addl.size());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsInserter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsInserter.java
index eb0a527..0d9e2c1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsInserter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsInserter.java
@@ -68,6 +68,7 @@
 import java.util.zip.Inflater;
 import java.util.zip.InflaterInputStream;
 
+import org.eclipse.jgit.annotations.Nullable;
 import org.eclipse.jgit.errors.CorruptObjectException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.LargeObjectException;
@@ -309,6 +310,15 @@
 		Collections.sort(objectList);
 	}
 
+	@Nullable
+	private TemporaryBuffer.Heap maybeGetTemporaryBuffer(
+			List<PackedObjectInfo> list) {
+		if (list.size() <= 58000) {
+			return new TemporaryBuffer.Heap(2 << 20);
+		}
+		return null;
+	}
+
 	PackIndex writePackIndex(DfsPackDescription pack, byte[] packHash,
 			List<PackedObjectInfo> list) throws IOException {
 		pack.setIndexVersion(INDEX_VERSION);
@@ -317,27 +327,20 @@
 		// If there are less than 58,000 objects, the entire index fits in under
 		// 2 MiB. Callers will probably need the index immediately, so buffer
 		// the index in process and load from the buffer.
-		TemporaryBuffer.Heap buf = null;
 		PackIndex packIndex = null;
-		if (list.size() <= 58000) {
-			buf = new TemporaryBuffer.Heap(2 << 20);
-			index(buf, packHash, list);
-			packIndex = PackIndex.read(buf.openInputStream());
-		}
-
-		try (DfsOutputStream os = db.writeFile(pack, INDEX)) {
-			CountingOutputStream cnt = new CountingOutputStream(os);
-			if (buf != null)
+		try (TemporaryBuffer.Heap buf = maybeGetTemporaryBuffer(list);
+				DfsOutputStream os = db.writeFile(pack, INDEX);
+				CountingOutputStream cnt = new CountingOutputStream(os)) {
+			if (buf != null) {
+				index(buf, packHash, list);
+				packIndex = PackIndex.read(buf.openInputStream());
 				buf.writeTo(cnt, null);
-			else
+			} else {
 				index(cnt, packHash, list);
+			}
 			pack.addFileExt(INDEX);
 			pack.setBlockSize(INDEX, os.blockSize());
 			pack.setFileSize(INDEX, cnt.getCount());
-		} finally {
-			if (buf != null) {
-				buf.close();
-			}
 		}
 		return packIndex;
 	}
@@ -403,7 +406,7 @@
 		}
 
 		@Override
-		public void write(final int b) throws IOException {
+		public void write(int b) throws IOException {
 			hdrBuf[0] = (byte) b;
 			write(hdrBuf, 0, 1);
 		}
@@ -666,6 +669,7 @@
 
 		@Override
 		public ObjectStream openStream() throws IOException {
+			@SuppressWarnings("resource") // Explicitly closed below
 			final DfsReader ctx = db.newReader();
 			if (srcPack != packKey) {
 				try {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjDatabase.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjDatabase.java
index 42b1a47..ca54ee2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjDatabase.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjDatabase.java
@@ -497,7 +497,7 @@
 		} while (!packList.compareAndSet(o, n));
 	}
 
-	PackList scanPacks(final PackList original) throws IOException {
+	PackList scanPacks(PackList original) throws IOException {
 		PackList o, n;
 		synchronized (packList) {
 			do {
@@ -546,7 +546,7 @@
 			}
 		}
 
-		if (newPacks.isEmpty())
+		if (newPacks.isEmpty() && newReftables.isEmpty())
 			return new PackListImpl(NO_PACKS.packs, NO_PACKS.reftables);
 		if (!foundNew) {
 			old.clearDirty();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjectToPack.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjectToPack.java
index 3a04d70..5f4dee2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjectToPack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsObjectToPack.java
@@ -60,7 +60,7 @@
 	/** Length of the data section of the object. */
 	long length;
 
-	DfsObjectToPack(AnyObjectId src, final int type) {
+	DfsObjectToPack(AnyObjectId src, int type) {
 		super(src, type);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackCompactor.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackCompactor.java
index ab76332..b43b9b1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackCompactor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackCompactor.java
@@ -268,8 +268,7 @@
 		pc.setReuseDeltas(true);
 		pc.setReuseObjects(true);
 
-		PackWriter pw = new PackWriter(pc, ctx);
-		try {
+		try (PackWriter pw = new PackWriter(pc, ctx)) {
 			pw.setDeltaBaseAsOffset(true);
 			pw.setReuseDeltaCommits(false);
 
@@ -285,8 +284,6 @@
 				writeIndex(objdb, outDesc, pw);
 
 				PackStatistics stats = pw.getStatistics();
-				pw.close();
-				pw = null;
 
 				outDesc.setPackStats(stats);
 				newStats = stats;
@@ -296,10 +293,6 @@
 					objdb.rollbackPack(Collections.singletonList(outDesc));
 				}
 			}
-		} finally {
-			if (pw != null) {
-				pw.close();
-			}
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
index b4d6698..c131f94 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsPackFile.java
@@ -210,8 +210,7 @@
 			try {
 				ctx.stats.readIdx++;
 				long start = System.nanoTime();
-				ReadableChannel rc = ctx.db.openFile(desc, INDEX);
-				try {
+				try (ReadableChannel rc = ctx.db.openFile(desc, INDEX)) {
 					InputStream in = Channels.newInputStream(rc);
 					int wantSize = 8192;
 					int bs = rc.blockSize();
@@ -222,7 +221,6 @@
 					idx = PackIndex.read(new BufferedInputStream(in, bs));
 					ctx.stats.readIdxBytes += rc.position();
 				} finally {
-					rc.close();
 					ctx.stats.readIdxMicros += elapsedMicros(start);
 				}
 			} catch (EOFException e) {
@@ -279,10 +277,9 @@
 
 			long size;
 			PackBitmapIndex idx;
-			try {
-				ctx.stats.readBitmap++;
-				long start = System.nanoTime();
-				ReadableChannel rc = ctx.db.openFile(desc, BITMAP_INDEX);
+			ctx.stats.readBitmap++;
+			long start = System.nanoTime();
+			try (ReadableChannel rc = ctx.db.openFile(desc, BITMAP_INDEX)) {
 				try {
 					InputStream in = Channels.newInputStream(rc);
 					int wantSize = 8192;
@@ -296,7 +293,6 @@
 							in, idx(ctx), getReverseIdx(ctx));
 				} finally {
 					size = rc.position();
-					rc.close();
 					ctx.stats.readIdxBytes += size;
 					ctx.stats.readIdxMicros += elapsedMicros(start);
 				}
@@ -446,6 +442,7 @@
 
 	private void copyPackThroughCache(PackOutputStream out, DfsReader ctx)
 			throws IOException {
+		@SuppressWarnings("resource") // Explicitly closed in finally block
 		ReadableChannel rc = null;
 		try {
 			long position = 12;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReaderOptions.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReaderOptions.java
index bf14d18..2ea5c39 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReaderOptions.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsReaderOptions.java
@@ -115,7 +115,7 @@
 	 *            {@link org.eclipse.jgit.lib.ObjectStream}.
 	 * @return {@code this}
 	 */
-	public DfsReaderOptions setStreamFileThreshold(final int newLimit) {
+	public DfsReaderOptions setStreamFileThreshold(int newLimit) {
 		streamFileThreshold = Math.max(0, newLimit);
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsRepository.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsRepository.java
index 1976816..5169e92 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsRepository.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsRepository.java
@@ -133,7 +133,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void notifyIndexChanged() {
+	public void notifyIndexChanged(boolean internal) {
 		// Do not send notifications.
 		// There is no index, as there is no working tree.
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsStreamKey.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsStreamKey.java
index 8793d83..c11f696 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsStreamKey.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/DfsStreamKey.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.dfs;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.util.Arrays;
 
@@ -67,7 +67,7 @@
 	 */
 	public static DfsStreamKey of(DfsRepositoryDescription repo, String name,
 			@Nullable PackExt ext) {
-		return new ByteArrayDfsStreamKey(repo, name.getBytes(UTF_8), ext);
+		return new ByteArrayDfsStreamKey(repo, name.getBytes(CHARSET), ext);
 	}
 
 	final int hash;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/LargePackedWholeObject.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/LargePackedWholeObject.java
index fa2c529..37d8d1c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/LargePackedWholeObject.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/LargePackedWholeObject.java
@@ -104,31 +104,34 @@
 	/** {@inheritDoc} */
 	@Override
 	public ObjectStream openStream() throws MissingObjectException, IOException {
+		PackInputStream packIn;
+		// ctx is closed by PackInputStream, or explicitly in the finally block
+		@SuppressWarnings("resource")
 		DfsReader ctx = db.newReader();
-		InputStream in;
 		try {
-			in = new PackInputStream(pack, objectOffset + headerLength, ctx);
-		} catch (IOException packGone) {
-			// If the pack file cannot be pinned into the cursor, it
-			// probably was repacked recently. Go find the object
-			// again and open the stream from that location instead.
-			//
 			try {
+				packIn = new PackInputStream(
+						pack, objectOffset + headerLength, ctx);
+				ctx = null; // owned by packIn
+			} catch (IOException packGone) {
+				// If the pack file cannot be pinned into the cursor, it
+				// probably was repacked recently. Go find the object
+				// again and open the stream from that location instead.
 				ObjectId obj = pack.getReverseIdx(ctx).findObject(objectOffset);
 				return ctx.open(obj, type).openStream();
-			} finally {
-				ctx.close();
 			}
 		} finally {
-			ctx.close();
+			if (ctx != null) {
+				ctx.close();
+			}
 		}
 
 		// Align buffer to inflater size, at a larger than default block.
 		// This reduces the number of context switches from the
 		// caller down into the pack stream inflation.
 		int bufsz = 8192;
-		in = new BufferedInputStream(
-				new InflaterInputStream(in, ctx.inflater(), bufsz),
+		InputStream in = new BufferedInputStream(
+				new InflaterInputStream(packIn, packIn.ctx.inflater(), bufsz),
 				bufsz);
 		return new ObjectStream.Filter(type, size, in);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/PackInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/PackInputStream.java
index d88011c..b859d9d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/PackInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/dfs/PackInputStream.java
@@ -47,7 +47,7 @@
 import java.io.InputStream;
 
 final class PackInputStream extends InputStream {
-	private final DfsReader ctx;
+	final DfsReader ctx;
 
 	private final DfsPackFile pack;
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitmapIndexImpl.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitmapIndexImpl.java
index 6ade438..1da4304 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitmapIndexImpl.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/BitmapIndexImpl.java
@@ -213,22 +213,6 @@
 		}
 
 		@Override
-		public boolean add(AnyObjectId objectId, int type) {
-			int position = bitmapIndex.findOrInsert(objectId, type);
-			if (bitset.contains(position))
-				return false;
-
-			Bitmap entry = bitmapIndex.getBitmap(objectId);
-			if (entry != null) {
-				or(entry);
-				return false;
-			}
-
-			bitset.set(position);
-			return true;
-		}
-
-		@Override
 		public boolean contains(AnyObjectId objectId) {
 			int position = bitmapIndex.findPosition(objectId);
 			return 0 <= position && bitset.contains(position);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteArrayWindow.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteArrayWindow.java
index 338df4a..c6fdeb0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteArrayWindow.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteArrayWindow.java
@@ -58,14 +58,14 @@
 final class ByteArrayWindow extends ByteWindow {
 	private final byte[] array;
 
-	ByteArrayWindow(final PackFile pack, final long o, final byte[] b) {
+	ByteArrayWindow(PackFile pack, long o, byte[] b) {
 		super(pack, o, b.length);
 		array = b;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	protected int copy(final int p, final byte[] b, final int o, int n) {
+	protected int copy(int p, byte[] b, int o, int n) {
 		n = Math.min(array.length - p, n);
 		System.arraycopy(array, p, b, o, n);
 		return n;
@@ -73,7 +73,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected int setInput(final int pos, final Inflater inf)
+	protected int setInput(int pos, Inflater inf)
 			throws DataFormatException {
 		int n = array.length - pos;
 		inf.setInput(array, pos, n);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteBufferWindow.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteBufferWindow.java
index 4dcf133..8e7904f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteBufferWindow.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteBufferWindow.java
@@ -60,14 +60,14 @@
 final class ByteBufferWindow extends ByteWindow {
 	private final ByteBuffer buffer;
 
-	ByteBufferWindow(final PackFile pack, final long o, final ByteBuffer b) {
+	ByteBufferWindow(PackFile pack, long o, ByteBuffer b) {
 		super(pack, o, b.capacity());
 		buffer = b;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	protected int copy(final int p, final byte[] b, final int o, int n) {
+	protected int copy(int p, byte[] b, int o, int n) {
 		final ByteBuffer s = buffer.slice();
 		s.position(p);
 		n = Math.min(s.remaining(), n);
@@ -92,7 +92,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected int setInput(final int pos, final Inflater inf)
+	protected int setInput(int pos, Inflater inf)
 			throws DataFormatException {
 		final ByteBuffer s = buffer.slice();
 		s.position(pos);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteWindow.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteWindow.java
index 7963cea..60073f3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteWindow.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ByteWindow.java
@@ -76,7 +76,7 @@
 	 * @param n
 	 *            size of the byte window
 	 */
-	protected ByteWindow(final PackFile p, final long s, final int n) {
+	protected ByteWindow(PackFile p, long s, int n) {
 		pack = p;
 		start = s;
 		end = start + n;
@@ -86,7 +86,7 @@
 		return (int) (end - start);
 	}
 
-	final boolean contains(final PackFile neededFile, final long neededPos) {
+	final boolean contains(PackFile neededFile, long neededPos) {
 		return pack == neededFile && start <= neededPos && neededPos < end;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/CachedObjectDirectory.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/CachedObjectDirectory.java
index e810ae0..7f7ecc2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/CachedObjectDirectory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/CachedObjectDirectory.java
@@ -181,11 +181,11 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean has(final AnyObjectId objectId) throws IOException {
+	public boolean has(AnyObjectId objectId) throws IOException {
 		return has(objectId, null);
 	}
 
-	private boolean has(final AnyObjectId objectId, Set<AlternateHandle.Id> skips)
+	private boolean has(AnyObjectId objectId, Set<AlternateHandle.Id> skips)
 			throws IOException {
 		if (unpackedObjects.contains(objectId)) {
 			return true;
@@ -205,7 +205,7 @@
 	}
 
 	@Override
-	ObjectLoader openObject(final WindowCursor curs, final AnyObjectId objectId)
+	ObjectLoader openObject(WindowCursor curs, AnyObjectId objectId)
 			throws IOException {
 		return openObject(curs, objectId, null);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/DeltaBaseCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/DeltaBaseCache.java
index b397989..ed73e72 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/DeltaBaseCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/DeltaBaseCache.java
@@ -52,7 +52,7 @@
 
 	static final SoftReference<Entry> DEAD;
 
-	private static int hash(final long position) {
+	private static int hash(long position) {
 		return (((int) position) << 22) >>> 22;
 	}
 
@@ -82,7 +82,7 @@
 		cache = new Slot[CACHE_SZ];
 	}
 
-	Entry get(final PackFile pack, final long position) {
+	Entry get(PackFile pack, long position) {
 		Slot e = cache[hash(position)];
 		if (e == null)
 			return null;
@@ -136,7 +136,7 @@
 		}
 	}
 
-	private void moveToHead(final Slot e) {
+	private void moveToHead(Slot e) {
 		unlink(e);
 		e.lruPrev = null;
 		e.lruNext = lruHead;
@@ -147,7 +147,7 @@
 		lruHead = e;
 	}
 
-	private void unlink(final Slot e) {
+	private void unlink(Slot e) {
 		final Slot prev = e.lruPrev;
 		final Slot next = e.lruNext;
 		if (prev != null)
@@ -156,7 +156,7 @@
 			next.lruPrev = prev;
 	}
 
-	private void clearEntry(final Slot e) {
+	private void clearEntry(Slot e) {
 		openByteCount -= e.sz;
 		e.provider = null;
 		e.data = DEAD;
@@ -168,7 +168,7 @@
 
 		final int type;
 
-		Entry(final byte[] aData, final int aType) {
+		Entry(byte[] aData, int aType) {
 			data = aData;
 			type = aType;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java
index 9b82210..d02888a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileRepository.java
@@ -46,8 +46,6 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
@@ -125,6 +123,10 @@
 	private final FileBasedConfig repoConfig;
 	private final RefDatabase refs;
 	private final ObjectDirectory objectDatabase;
+
+	private final Object snapshotLock = new Object();
+
+	// protected by snapshotLock
 	private FileSnapshot snapshot;
 
 	/**
@@ -147,7 +149,7 @@
 	 *             accessed.
 	 * @see FileRepositoryBuilder
 	 */
-	public FileRepository(final File gitDir) throws IOException {
+	public FileRepository(File gitDir) throws IOException {
 		this(new FileRepositoryBuilder().setGitDir(gitDir).setup());
 	}
 
@@ -161,7 +163,7 @@
 	 *             accessed.
 	 * @see FileRepositoryBuilder
 	 */
-	public FileRepository(final String gitDir) throws IOException {
+	public FileRepository(String gitDir) throws IOException {
 		this(new File(gitDir));
 	}
 
@@ -174,7 +176,7 @@
 	 *             the user configuration file or repository configuration file
 	 *             cannot be accessed.
 	 */
-	public FileRepository(final BaseRepositoryBuilder options) throws IOException {
+	public FileRepository(BaseRepositoryBuilder options) throws IOException {
 		super(options);
 
 		if (StringUtils.isEmptyOrNull(SystemReader.getInstance().getenv(
@@ -240,8 +242,9 @@
 						Long.valueOf(repositoryFormatVersion)));
 		}
 
-		if (!isBare())
+		if (!isBare()) {
 			snapshot = FileSnapshot.save(getIndexFile());
+		}
 	}
 
 	private void loadSystemConfig() throws IOException {
@@ -531,34 +534,43 @@
 	 *             index file could not be opened, read, or is not recognized as
 	 *             a Git pack file index.
 	 */
-	public void openPack(final File pack) throws IOException {
+	public void openPack(File pack) throws IOException {
 		objectDatabase.openPack(pack);
 	}
 
 	/** {@inheritDoc} */
 	@Override
 	public void scanForRepoChanges() throws IOException {
-		getRefDatabase().getRefs(ALL); // This will look for changes to refs
+		getRefDatabase().getRefs(); // This will look for changes to refs
 		detectIndexChanges();
 	}
 
 	/** Detect index changes. */
 	private void detectIndexChanges() {
-		if (isBare())
+		if (isBare()) {
 			return;
+		}
 
 		File indexFile = getIndexFile();
-		if (snapshot == null)
-			snapshot = FileSnapshot.save(indexFile);
-		else if (snapshot.isModified(indexFile))
-			notifyIndexChanged();
+		synchronized (snapshotLock) {
+			if (snapshot == null) {
+				snapshot = FileSnapshot.save(indexFile);
+				return;
+			}
+			if (!snapshot.isModified(indexFile)) {
+				return;
+			}
+		}
+		notifyIndexChanged(false);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void notifyIndexChanged() {
-		snapshot = FileSnapshot.save(getIndexFile());
-		fireEvent(new IndexChangedEvent());
+	public void notifyIndexChanged(boolean internal) {
+		synchronized (snapshotLock) {
+			snapshot = FileSnapshot.save(getIndexFile());
+		}
+		fireEvent(new IndexChangedEvent(internal));
 	}
 
 	/** {@inheritDoc} */
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
index b5485c4..f26eba3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/FileSnapshot.java
@@ -268,7 +268,7 @@
 				+ ", read: " + f.format(new Date(lastRead)) + "]"; //$NON-NLS-1$ //$NON-NLS-2$
 	}
 
-	private boolean notRacyClean(final long read) {
+	private boolean notRacyClean(long read) {
 		// The last modified time granularity of FAT filesystems is 2 seconds.
 		// Using 2.5 seconds here provides a reasonably high assurance that
 		// a modification was not missed.
@@ -276,7 +276,7 @@
 		return read - lastModified > 2500;
 	}
 
-	private boolean isModified(final long currLastModified) {
+	private boolean isModified(long currLastModified) {
 		// Any difference indicates the path was modified.
 		//
 		if (lastModified != currLastModified)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java
index 8a47dfc..cfe0294 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GC.java
@@ -772,7 +772,8 @@
 	 * @throws java.io.IOException
 	 */
 	public void packRefs() throws IOException {
-		Collection<Ref> refs = repo.getRefDatabase().getRefs(Constants.R_REFS).values();
+		Collection<Ref> refs = repo.getRefDatabase()
+				.getRefsByPrefix(Constants.R_REFS);
 		List<String> refsToBePacked = new ArrayList<>(refs.size());
 		pm.beginTask(JGitText.get().packRefs, refs.size());
 		try {
@@ -838,7 +839,7 @@
 		}
 
 		List<ObjectIdSet> excluded = new LinkedList<>();
-		for (final PackFile f : repo.getObjectDatabase().getPacks()) {
+		for (PackFile f : repo.getObjectDatabase().getPacks()) {
 			checkCancelled();
 			if (f.shouldBeKept())
 				excluded.add(f.getIndex());
@@ -1001,6 +1002,9 @@
 	private void deleteTempPacksIdx() {
 		Path packDir = repo.getObjectDatabase().getPackDirectory().toPath();
 		Instant threshold = Instant.now().minus(1, ChronoUnit.DAYS);
+		if (!Files.exists(packDir)) {
+			return;
+		}
 		try (DirectoryStream<Path> stream =
 				Files.newDirectoryStream(packDir, "gc_*_tmp")) { //$NON-NLS-1$
 			stream.forEach(t -> {
@@ -1062,7 +1066,7 @@
 	 */
 	private Collection<Ref> getAllRefs() throws IOException {
 		RefDatabase refdb = repo.getRefDatabase();
-		Collection<Ref> refs = refdb.getRefs(RefDatabase.ALL).values();
+		Collection<Ref> refs = refdb.getRefs();
 		List<Ref> addl = refdb.getAdditionalRefs();
 		if (!addl.isEmpty()) {
 			List<Ref> all = new ArrayList<>(refs.size() + addl.size());
@@ -1370,7 +1374,7 @@
 		}
 
 		RefDatabase refDb = repo.getRefDatabase();
-		for (Ref r : refDb.getRefs(RefDatabase.ALL).values()) {
+		for (Ref r : refDb.getRefs()) {
 			Storage storage = r.getStorage();
 			if (storage == Storage.LOOSE || storage == Storage.LOOSE_PACKED)
 				ret.numberOfLooseRefs++;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GcLog.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GcLog.java
index 82458c1..0e587ce 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GcLog.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/GcLog.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.File;
 import java.io.IOException;
@@ -171,6 +171,6 @@
 		if (content.length() > 0) {
 			nonEmpty = true;
 		}
-		lock.write(content.getBytes(UTF_8));
+		lock.write(content.getBytes(CHARSET));
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LazyObjectIdSetFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LazyObjectIdSetFile.java
index 3d0e9c7..c82d52e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LazyObjectIdSetFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LazyObjectIdSetFile.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.file;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedReader;
 import java.io.File;
@@ -86,7 +86,7 @@
 	private ObjectIdOwnerMap<Entry> load() {
 		ObjectIdOwnerMap<Entry> r = new ObjectIdOwnerMap<>();
 		try (FileInputStream fin = new FileInputStream(src);
-				Reader rin = new InputStreamReader(fin, UTF_8);
+				Reader rin = new InputStreamReader(fin, CHARSET);
 				BufferedReader br = new BufferedReader(rin)) {
 			MutableObjectId id = new MutableObjectId();
 			for (String line; (line = br.readLine()) != null;) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LocalObjectToPack.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LocalObjectToPack.java
index 55eeb95..ed5cbfc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LocalObjectToPack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LocalObjectToPack.java
@@ -58,7 +58,7 @@
 	/** Length of the data section of the object. */
 	long length;
 
-	LocalObjectToPack(AnyObjectId src, final int type) {
+	LocalObjectToPack(AnyObjectId src, int type) {
 		super(src, type);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
index 9befe2a..b80c58c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/LockFile.java
@@ -93,7 +93,7 @@
 	 *            a {@link java.io.File} object.
 	 * @return true if unlocked, false if unlocking failed
 	 */
-	public static boolean unlock(final File file) {
+	public static boolean unlock(File file) {
 		final File lockFile = getLockFile(file);
 		final int flags = FileUtils.RETRY | FileUtils.SKIP_MISSING;
 		try {
@@ -144,26 +144,8 @@
 	 *
 	 * @param f
 	 *            the file that will be locked.
-	 * @param fs
-	 *            the file system abstraction which will be necessary to perform
-	 *            certain file system operations.
-	 * @deprecated use
-	 *             {@link org.eclipse.jgit.internal.storage.file.LockFile#LockFile(File)}
-	 *             instead
 	 */
-	@Deprecated
-	public LockFile(final File f, final FS fs) {
-		ref = f;
-		lck = getLockFile(ref);
-	}
-
-	/**
-	 * Create a new lock for any file.
-	 *
-	 * @param f
-	 *            the file that will be locked.
-	 */
-	public LockFile(final File f) {
+	public LockFile(File f) {
 		ref = f;
 		lck = getLockFile(ref);
 	}
@@ -282,7 +264,7 @@
 	 *             the temporary file could not be written. The lock is released
 	 *             before throwing the underlying exception to the caller.
 	 */
-	public void write(final ObjectId id) throws IOException {
+	public void write(ObjectId id) throws IOException {
 		byte[] buf = new byte[Constants.OBJECT_ID_STRING_LENGTH + 1];
 		id.copyTo(buf, 0);
 		buf[Constants.OBJECT_ID_STRING_LENGTH] = '\n';
@@ -303,7 +285,7 @@
 	 *             the temporary file could not be written. The lock is released
 	 *             before throwing the underlying exception to the caller.
 	 */
-	public void write(final byte[] content) throws IOException {
+	public void write(byte[] content) throws IOException {
 		requireLock();
 		try {
 			if (fsync) {
@@ -349,18 +331,18 @@
 
 		return new OutputStream() {
 			@Override
-			public void write(final byte[] b, final int o, final int n)
+			public void write(byte[] b, int o, int n)
 					throws IOException {
 				out.write(b, o, n);
 			}
 
 			@Override
-			public void write(final byte[] b) throws IOException {
+			public void write(byte[] b) throws IOException {
 				out.write(b);
 			}
 
 			@Override
-			public void write(final int b) throws IOException {
+			public void write(int b) throws IOException {
 				out.write(b);
 			}
 
@@ -400,7 +382,7 @@
 	 * @param on
 	 *            true if the commit method must remember the modification time.
 	 */
-	public void setNeedStatInformation(final boolean on) {
+	public void setNeedStatInformation(boolean on) {
 		setNeedSnapshot(on);
 	}
 
@@ -411,7 +393,7 @@
 	 * @param on
 	 *            true if the commit method must remember the FileSnapshot.
 	 */
-	public void setNeedSnapshot(final boolean on) {
+	public void setNeedSnapshot(boolean on) {
 		needSnapshot = on;
 	}
 
@@ -421,7 +403,7 @@
 	 * @param on
 	 *            true if dirty data should be forced to the drive.
 	 */
-	public void setFSync(final boolean on) {
+	public void setFSync(boolean on) {
 		fsync = on;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
index 81a75ff..103ab10 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectory.java
@@ -257,7 +257,7 @@
 		// Fully close all loaded alternates and clear the alternate list.
 		AlternateHandle[] alt = alternates.get();
 		if (alt != null && alternates.compareAndSet(alt, null)) {
-			for(final AlternateHandle od : alt)
+			for(AlternateHandle od : alt)
 				od.close();
 		}
 	}
@@ -278,7 +278,7 @@
 	 * Add a single existing pack to the list of available pack files.
 	 */
 	@Override
-	public PackFile openPack(final File pack)
+	public PackFile openPack(File pack)
 			throws IOException {
 		final String p = pack.getName();
 		if (p.length() != 50 || !p.startsWith("pack-") || !p.endsWith(".pack")) //$NON-NLS-1$ //$NON-NLS-2$
@@ -622,7 +622,7 @@
 			WindowCursor curs, Set<AlternateHandle.Id> skips) throws IOException {
 		PackList pList = packList.get();
 		SEARCH: for (;;) {
-			for (final PackFile p : pList.packs) {
+			for (PackFile p : pList.packs) {
 				try {
 					LocalObjectRepresentation rep = p.representation(curs, otp);
 					p.resetTransientErrorCount();
@@ -814,7 +814,7 @@
 		return shallowCommitsIds;
 	}
 
-	private void insertPack(final PackFile pf) {
+	private void insertPack(PackFile pf) {
 		PackList o, n;
 		do {
 			o = packList.get();
@@ -837,7 +837,7 @@
 		} while (!packList.compareAndSet(o, n));
 	}
 
-	private void removePack(final PackFile deadPack) {
+	private void removePack(PackFile deadPack) {
 		PackList o, n;
 		do {
 			o = packList.get();
@@ -855,7 +855,7 @@
 		deadPack.close();
 	}
 
-	private static int indexOf(final PackFile[] list, final PackFile pack) {
+	private static int indexOf(PackFile[] list, PackFile pack) {
 		for (int i = 0; i < list.length; i++) {
 			if (list[i] == pack)
 				return i;
@@ -863,7 +863,7 @@
 		return -1;
 	}
 
-	private PackList scanPacks(final PackList original) {
+	private PackList scanPacks(PackList original) {
 		synchronized (packList) {
 			PackList o, n;
 			do {
@@ -882,13 +882,13 @@
 		}
 	}
 
-	private PackList scanPacksImpl(final PackList old) {
+	private PackList scanPacksImpl(PackList old) {
 		final Map<String, PackFile> forReuse = reuseMap(old);
 		final FileSnapshot snapshot = FileSnapshot.save(packDirectory);
 		final Set<String> names = listPackDirectory();
 		final List<PackFile> list = new ArrayList<>(names.size() >> 2);
 		boolean foundNew = false;
-		for (final String indexName : names) {
+		for (String indexName : names) {
 			// Must match "pack-[0-9a-f]{40}.idx" to be an index.
 			//
 			if (indexName.length() != 49 || !indexName.endsWith(".idx")) //$NON-NLS-1$
@@ -932,7 +932,7 @@
 			return old;
 		}
 
-		for (final PackFile p : forReuse.values()) {
+		for (PackFile p : forReuse.values()) {
 			p.close();
 		}
 
@@ -944,9 +944,9 @@
 		return new PackList(snapshot, r);
 	}
 
-	private static Map<String, PackFile> reuseMap(final PackList old) {
+	private static Map<String, PackFile> reuseMap(PackList old) {
 		final Map<String, PackFile> forReuse = new HashMap<>();
-		for (final PackFile p : old.packs) {
+		for (PackFile p : old.packs) {
 			if (p.invalid()) {
 				// The pack instance is corrupted, and cannot be safely used
 				// again. Do not include it in our reuse map.
@@ -975,7 +975,7 @@
 		if (nameList == null)
 			return Collections.emptySet();
 		final Set<String> nameSet = new HashSet<>(nameList.length << 1);
-		for (final String name : nameList) {
+		for (String name : nameList) {
 			if (name.startsWith("pack-")) //$NON-NLS-1$
 				nameSet.add(name);
 		}
@@ -1034,12 +1034,12 @@
 		return l.toArray(new AlternateHandle[l.size()]);
 	}
 
-	private static BufferedReader open(final File f)
+	private static BufferedReader open(File f)
 			throws FileNotFoundException {
 		return new BufferedReader(new FileReader(f));
 	}
 
-	private AlternateHandle openAlternate(final String location)
+	private AlternateHandle openAlternate(String location)
 			throws IOException {
 		final File objdir = fs.resolve(objects, location);
 		return openAlternate(objdir);
@@ -1077,7 +1077,7 @@
 		/** All known packs, sorted by {@link PackFile#SORT}. */
 		final PackFile[] packs;
 
-		PackList(final FileSnapshot monitor, final PackFile[] packs) {
+		PackList(FileSnapshot monitor, PackFile[] packs) {
 			this.snapshot = monitor;
 			this.packs = packs;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryInserter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryInserter.java
index e06f721..e5a54e3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryInserter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryInserter.java
@@ -78,7 +78,7 @@
 
 	private Deflater deflate;
 
-	ObjectDirectoryInserter(final FileObjectDatabase dest, final Config cfg) {
+	ObjectDirectoryInserter(FileObjectDatabase dest, Config cfg) {
 		db = dest;
 		config = cfg.get(WriteConfig.KEY);
 	}
@@ -117,7 +117,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public ObjectId insert(final int type, long len, final InputStream is)
+	public ObjectId insert(int type, long len, InputStream is)
 			throws IOException {
 		return insert(type, len, is, false);
 	}
@@ -267,7 +267,7 @@
 		}
 	}
 
-	void writeHeader(OutputStream out, final int type, long len)
+	void writeHeader(OutputStream out, int type, long len)
 			throws IOException {
 		out.write(Constants.encodedTypeString(type));
 		out.write((byte) ' ');
@@ -279,7 +279,7 @@
 		return File.createTempFile("noz", null, db.getDirectory()); //$NON-NLS-1$
 	}
 
-	DeflaterOutputStream compress(final OutputStream out) {
+	DeflaterOutputStream compress(OutputStream out) {
 		if (deflate == null)
 			deflate = new Deflater(config.getCompression());
 		else
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryPackParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryPackParser.java
index 5dcba60..0cec2d5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryPackParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ObjectDirectoryPackParser.java
@@ -153,7 +153,7 @@
 	 * @param empty
 	 *            true to enable keeping an empty pack.
 	 */
-	public void setKeepEmpty(final boolean empty) {
+	public void setKeepEmpty(boolean empty) {
 		keepEmpty = empty;
 	}
 
@@ -429,8 +429,7 @@
 
 	private void writeIdx() throws IOException {
 		List<PackedObjectInfo> list = getSortedObjectList(null /* by ObjectId */);
-		final FileOutputStream os = new FileOutputStream(tmpIdx);
-		try {
+		try (FileOutputStream os = new FileOutputStream(tmpIdx)) {
 			final PackIndexWriter iw;
 			if (indexVersion <= 0)
 				iw = PackIndexWriter.createOldestPossible(os, list);
@@ -438,12 +437,10 @@
 				iw = PackIndexWriter.createVersion(os, indexVersion);
 			iw.write(list, packHash);
 			os.getChannel().force(true);
-		} finally {
-			os.close();
 		}
 	}
 
-	private PackLock renameAndOpenPack(final String lockMessage)
+	private PackLock renameAndOpenPack(String lockMessage)
 			throws IOException {
 		if (!keepEmpty && getObjectCount() == 0) {
 			cleanupTemporaryFiles();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndex.java
index 21a1c7f..6772e2c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackBitmapIndex.java
@@ -44,7 +44,6 @@
 package org.eclipse.jgit.internal.storage.file;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.text.MessageFormat;
@@ -53,6 +52,7 @@
 import org.eclipse.jgit.internal.JGitText;
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.util.io.SilentFileInputStream;
 
 import com.googlecode.javaewah.EWAHCompressedBitmap;
 
@@ -93,19 +93,15 @@
 	public static PackBitmapIndex open(
 			File idxFile, PackIndex packIndex, PackReverseIndex reverseIndex)
 			throws IOException {
-		final FileInputStream fd = new FileInputStream(idxFile);
-		try {
-			return read(fd, packIndex, reverseIndex);
-		} catch (IOException ioe) {
-			throw new IOException(MessageFormat
-					.format(JGitText.get().unreadablePackIndex,
-							idxFile.getAbsolutePath()),
-					ioe);
-		} finally {
+		try (SilentFileInputStream fd = new SilentFileInputStream(
+				idxFile)) {
 			try {
-				fd.close();
-			} catch (IOException err2) {
-				// ignore
+				return read(fd, packIndex, reverseIndex);
+			} catch (IOException ioe) {
+				throw new IOException(
+						MessageFormat.format(JGitText.get().unreadablePackIndex,
+								idxFile.getAbsolutePath()),
+						ioe);
 			}
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
index b8b226e..d834b1a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java
@@ -103,7 +103,7 @@
 	/** Sorts PackFiles to be most recently created to least recently created. */
 	public static final Comparator<PackFile> SORT = new Comparator<PackFile>() {
 		@Override
-		public int compare(final PackFile a, final PackFile b) {
+		public int compare(PackFile a, PackFile b) {
 			return b.packLastModified - a.packLastModified;
 		}
 	};
@@ -166,7 +166,7 @@
 	 * @param extensions
 	 *            additional pack file extensions with the same base as the pack
 	 */
-	public PackFile(final File packFile, int extensions) {
+	public PackFile(File packFile, int extensions) {
 		this.packFile = packFile;
 		this.fileSnapshot = FileSnapshot.save(packFile);
 		this.packLastModified = (int) (fileSnapshot.lastModified() >> 10);
@@ -268,7 +268,7 @@
 	 * @throws java.io.IOException
 	 *             the index file cannot be loaded into memory.
 	 */
-	public boolean hasObject(final AnyObjectId id) throws IOException {
+	public boolean hasObject(AnyObjectId id) throws IOException {
 		final long offset = idx().findOffset(id);
 		return 0 < offset && !isCorrupt(offset);
 	}
@@ -296,7 +296,7 @@
 	 * @throws IOException
 	 *             the pack file or the index could not be read.
 	 */
-	ObjectLoader get(final WindowCursor curs, final AnyObjectId id)
+	ObjectLoader get(WindowCursor curs, AnyObjectId id)
 			throws IOException {
 		final long offset = idx().findOffset(id);
 		return 0 < offset && !isCorrupt(offset) ? load(curs, offset) : null;
@@ -361,7 +361,7 @@
 	 * @throws IOException
 	 *             the index file cannot be loaded into memory.
 	 */
-	ObjectId findObjectForOffset(final long offset) throws IOException {
+	ObjectId findObjectForOffset(long offset) throws IOException {
 		return getReverseIdx().findObject(offset);
 	}
 
@@ -721,7 +721,7 @@
 		}
 	}
 
-	ByteArrayWindow read(final long pos, int size) throws IOException {
+	ByteArrayWindow read(long pos, int size) throws IOException {
 		synchronized (readLock) {
 			if (invalid || fd == null) {
 				// Due to concurrency between a read and another packfile invalidation thread
@@ -740,7 +740,7 @@
 		}
 	}
 
-	ByteWindow mmap(final long pos, int size) throws IOException {
+	ByteWindow mmap(long pos, int size) throws IOException {
 		synchronized (readLock) {
 			if (length < pos + size)
 				size = (int) (length - pos);
@@ -797,7 +797,7 @@
 		}
 	}
 
-	ObjectLoader load(final WindowCursor curs, long pos)
+	ObjectLoader load(WindowCursor curs, long pos)
 			throws IOException, LargeObjectException {
 		try {
 			final byte[] ib = curs.tempId;
@@ -986,7 +986,7 @@
 		return hdr;
 	}
 
-	int getObjectType(final WindowCursor curs, long pos) throws IOException {
+	int getObjectType(WindowCursor curs, long pos) throws IOException {
 		final byte[] ib = curs.tempId;
 		for (;;) {
 			readFully(pos, ib, 0, 20, curs);
@@ -1033,13 +1033,13 @@
 		}
 	}
 
-	long getObjectSize(final WindowCursor curs, final AnyObjectId id)
+	long getObjectSize(WindowCursor curs, AnyObjectId id)
 			throws IOException {
 		final long offset = idx().findOffset(id);
 		return 0 < offset ? getObjectSize(curs, offset) : -1;
 	}
 
-	long getObjectSize(final WindowCursor curs, final long pos)
+	long getObjectSize(WindowCursor curs, long pos)
 			throws IOException {
 		final byte[] ib = curs.tempId;
 		readFully(pos, ib, 0, 20, curs);
@@ -1137,7 +1137,7 @@
 		}
 	}
 
-	private long findEndOffset(final long startOffset)
+	private long findEndOffset(long startOffset)
 			throws IOException, CorruptObjectException {
 		final long maxOffset = length - 20;
 		return getReverseIdx().findNextOffset(startOffset, maxOffset);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndex.java
index acfd9c4..72699b0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndex.java
@@ -45,7 +45,6 @@
 package org.eclipse.jgit.internal.storage.file;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
@@ -64,6 +63,7 @@
 import org.eclipse.jgit.lib.ObjectIdSet;
 import org.eclipse.jgit.util.IO;
 import org.eclipse.jgit.util.NB;
+import org.eclipse.jgit.util.io.SilentFileInputStream;
 
 /**
  * Access path to locate objects by {@link org.eclipse.jgit.lib.ObjectId} in a
@@ -94,21 +94,15 @@
 	 *             the file exists but could not be read due to security errors,
 	 *             unrecognized data version, or unexpected data corruption.
 	 */
-	public static PackIndex open(final File idxFile) throws IOException {
-		final FileInputStream fd = new FileInputStream(idxFile);
-		try {
-			return read(fd);
+	public static PackIndex open(File idxFile) throws IOException {
+		try (SilentFileInputStream fd = new SilentFileInputStream(
+				idxFile)) {
+				return read(fd);
 		} catch (IOException ioe) {
-			throw new IOException(MessageFormat
-					.format(JGitText.get().unreadablePackIndex,
+			throw new IOException(
+					MessageFormat.format(JGitText.get().unreadablePackIndex,
 							idxFile.getAbsolutePath()),
 					ioe);
-		} finally {
-			try {
-				fd.close();
-			} catch (IOException err2) {
-				// ignore
-			}
 		}
 	}
 
@@ -145,7 +139,7 @@
 		return new PackIndexV1(fd, hdr);
 	}
 
-	private static boolean isTOC(final byte[] h) {
+	private static boolean isTOC(byte[] h) {
 		final byte[] toc = PackIndexWriter.TOC;
 		for (int i = 0; i < toc.length; i++)
 			if (h[i] != toc[i])
@@ -163,7 +157,7 @@
 	 *            the object to look for. Must not be null.
 	 * @return true if the object is listed in this index; false otherwise.
 	 */
-	public boolean hasObject(final AnyObjectId id) {
+	public boolean hasObject(AnyObjectId id) {
 		return findOffset(id) != -1;
 	}
 
@@ -247,7 +241,7 @@
 	 *            negative, but still valid.
 	 * @return the ObjectId for the corresponding entry.
 	 */
-	public final ObjectId getObjectId(final int nthPosition) {
+	public final ObjectId getObjectId(int nthPosition) {
 		if (nthPosition >= 0)
 			return getObjectId((long) nthPosition);
 		final int u31 = nthPosition >>> 1;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV1.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV1.java
index 8ea31e4..4444dd6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV1.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV1.java
@@ -113,14 +113,14 @@
 	@Override
 	public long getOffset64Count() {
 		long n64 = 0;
-		for (final MutableEntry e : this) {
+		for (MutableEntry e : this) {
 			if (e.getOffset() >= Integer.MAX_VALUE)
 				n64++;
 		}
 		return n64;
 	}
 
-	private int findLevelOne(final long nthPosition) {
+	private int findLevelOne(long nthPosition) {
 		int levelOne = Arrays.binarySearch(idxHeader, nthPosition + 1);
 		if (levelOne >= 0) {
 			// If we hit the bucket exactly the item is in the bucket, or
@@ -137,14 +137,14 @@
 		return levelOne;
 	}
 
-	private int getLevelTwo(final long nthPosition, final int levelOne) {
+	private int getLevelTwo(long nthPosition, int levelOne) {
 		final long base = levelOne > 0 ? idxHeader[levelOne - 1] : 0;
 		return (int) (nthPosition - base);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public ObjectId getObjectId(final long nthPosition) {
+	public ObjectId getObjectId(long nthPosition) {
 		final int levelOne = findLevelOne(nthPosition);
 		final int p = getLevelTwo(nthPosition, levelOne);
 		final int dataIdx = idOffset(p);
@@ -161,7 +161,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public long findOffset(final AnyObjectId objId) {
+	public long findOffset(AnyObjectId objId) {
 		final int levelOne = objId.getFirstByte();
 		byte[] data = idxdata[levelOne];
 		if (data == null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV2.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV2.java
index 9f6201f..a9606cf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV2.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexV2.java
@@ -176,7 +176,7 @@
 		return offset64.length / 8;
 	}
 
-	private int findLevelOne(final long nthPosition) {
+	private int findLevelOne(long nthPosition) {
 		int levelOne = Arrays.binarySearch(fanoutTable, nthPosition + 1);
 		if (levelOne >= 0) {
 			// If we hit the bucket exactly the item is in the bucket, or
@@ -193,14 +193,14 @@
 		return levelOne;
 	}
 
-	private int getLevelTwo(final long nthPosition, final int levelOne) {
+	private int getLevelTwo(long nthPosition, int levelOne) {
 		final long base = levelOne > 0 ? fanoutTable[levelOne - 1] : 0;
 		return (int) (nthPosition - base);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public ObjectId getObjectId(final long nthPosition) {
+	public ObjectId getObjectId(long nthPosition) {
 		final int levelOne = findLevelOne(nthPosition);
 		final int p = getLevelTwo(nthPosition, levelOne);
 		final int p4 = p << 2;
@@ -209,7 +209,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public long getOffset(final long nthPosition) {
+	public long getOffset(long nthPosition) {
 		final int levelOne = findLevelOne(nthPosition);
 		final int levelTwo = getLevelTwo(nthPosition, levelOne);
 		return getOffset(levelOne, levelTwo);
@@ -217,7 +217,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public long findOffset(final AnyObjectId objId) {
+	public long findOffset(AnyObjectId objId) {
 		final int levelOne = objId.getFirstByte();
 		final int levelTwo = binarySearchLevelTwo(objId, levelOne);
 		if (levelTwo == -1)
@@ -225,7 +225,7 @@
 		return getOffset(levelOne, levelTwo);
 	}
 
-	private long getOffset(final int levelOne, final int levelTwo) {
+	private long getOffset(int levelOne, int levelTwo) {
 		final long p = NB.decodeUInt32(offset32[levelOne], levelTwo << 2);
 		if ((p & IS_O64) != 0)
 			return NB.decodeUInt64(offset64, (8 * (int) (p & ~IS_O64)));
@@ -290,7 +290,7 @@
 		return (p << 2) + p; // p * 5
 	}
 
-	private int binarySearchLevelTwo(final AnyObjectId objId, final int levelOne) {
+	private int binarySearchLevelTwo(AnyObjectId objId, int levelOne) {
 		final int[] data = names[levelOne];
 		int high = offset32[levelOne].length >>> 2;
 		if (high == 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriter.java
index b92f7b2..553f7c9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriter.java
@@ -123,7 +123,7 @@
 	 */
 	public static int oldestPossibleFormat(
 			final List<? extends PackedObjectInfo> objs) {
-		for (final PackedObjectInfo oe : objs) {
+		for (PackedObjectInfo oe : objs) {
 			if (!PackIndexWriterV1.canStore(oe))
 				return 2;
 		}
@@ -180,7 +180,7 @@
 	 *            the stream this instance outputs to. If not already buffered
 	 *            it will be automatically wrapped in a buffered stream.
 	 */
-	protected PackIndexWriter(final OutputStream dst) {
+	protected PackIndexWriter(OutputStream dst) {
 		out = new DigestOutputStream(dst instanceof BufferedOutputStream ? dst
 				: new BufferedOutputStream(dst),
 				Constants.newMessageDigest());
@@ -250,7 +250,7 @@
 	 * @throws java.io.IOException
 	 *             an error occurred while writing to the output stream.
 	 */
-	protected void writeTOC(final int version) throws IOException {
+	protected void writeTOC(int version) throws IOException {
 		out.write(TOC);
 		NB.encodeInt32(tmp, 0, version);
 		out.write(tmp, 0, 4);
@@ -269,11 +269,11 @@
 	 */
 	protected void writeFanOutTable() throws IOException {
 		final int[] fanout = new int[256];
-		for (final PackedObjectInfo po : entries)
+		for (PackedObjectInfo po : entries)
 			fanout[po.getFirstByte() & 0xff]++;
 		for (int i = 1; i < 256; i++)
 			fanout[i] += fanout[i - 1];
-		for (final int n : fanout) {
+		for (int n : fanout) {
 			NB.encodeInt32(tmp, 0, n);
 			out.write(tmp, 0, 4);
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV1.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV1.java
index f220e7a..877f7c8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV1.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV1.java
@@ -58,7 +58,7 @@
  * @see PackIndexV1
  */
 class PackIndexWriterV1 extends PackIndexWriter {
-	static boolean canStore(final PackedObjectInfo oe) {
+	static boolean canStore(PackedObjectInfo oe) {
 		// We are limited to 4 GB per pack as offset is 32 bit unsigned int.
 		//
 		return oe.getOffset() >>> 1 < Integer.MAX_VALUE;
@@ -73,7 +73,7 @@
 	protected void writeImpl() throws IOException {
 		writeFanOutTable();
 
-		for (final PackedObjectInfo oe : entries) {
+		for (PackedObjectInfo oe : entries) {
 			if (!canStore(oe))
 				throw new IOException(JGitText.get().packTooLargeForIndexVersion1);
 			NB.encodeInt32(tmp, 0, (int) oe.getOffset());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV2.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV2.java
index a18ccaf..9505d35 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV2.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackIndexWriterV2.java
@@ -76,12 +76,12 @@
 	}
 
 	private void writeObjectNames() throws IOException {
-		for (final PackedObjectInfo oe : entries)
+		for (PackedObjectInfo oe : entries)
 			oe.copyRawTo(out);
 	}
 
 	private void writeCRCs() throws IOException {
-		for (final PackedObjectInfo oe : entries) {
+		for (PackedObjectInfo oe : entries) {
 			NB.encodeInt32(tmp, 0, oe.getCRC());
 			out.write(tmp, 0, 4);
 		}
@@ -89,7 +89,7 @@
 
 	private void writeOffset32() throws IOException {
 		int o64 = 0;
-		for (final PackedObjectInfo oe : entries) {
+		for (PackedObjectInfo oe : entries) {
 			final long o = oe.getOffset();
 			if (o <= MAX_OFFSET_32)
 				NB.encodeInt32(tmp, 0, (int) o);
@@ -100,7 +100,7 @@
 	}
 
 	private void writeOffset64() throws IOException {
-		for (final PackedObjectInfo oe : entries) {
+		for (PackedObjectInfo oe : entries) {
 			final long o = oe.getOffset();
 			if (MAX_OFFSET_32 < o) {
 				NB.encodeInt64(tmp, 0, o);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInserter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInserter.java
index 7ff2696..0ce3cc9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInserter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackInserter.java
@@ -438,7 +438,7 @@
 		}
 
 		@Override
-		public void write(final int b) throws IOException {
+		public void write(int b) throws IOException {
 			hdrBuf[0] = (byte) b;
 			write(hdrBuf, 0, 1);
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackLock.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackLock.java
index 82f0da1..0fb8911 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackLock.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackLock.java
@@ -65,7 +65,7 @@
 	 * @param fs
 	 *            the filesystem abstraction used by the repository.
 	 */
-	public PackLock(final File packFile, final FS fs) {
+	public PackLock(File packFile, FS fs) {
 		final File p = packFile.getParentFile();
 		final String n = packFile.getName();
 		keepFile = new File(p, n.substring(0, n.length() - 5) + ".keep"); //$NON-NLS-1$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
index 944af26..dfe23ba 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackReverseIndex.java
@@ -88,7 +88,7 @@
 	 * @param packIndex
 	 *            forward index - entries to (reverse) index.
 	 */
-	public PackReverseIndex(final PackIndex packIndex) {
+	public PackReverseIndex(PackIndex packIndex) {
 		index = packIndex;
 
 		final long cnt = index.getObjectCount();
@@ -107,7 +107,7 @@
 
 		long maxOffset = 0;
 		int ith = 0;
-		for (final MutableEntry me : index) {
+		for (MutableEntry me : index) {
 			final long o = me.getOffset();
 			offsetsBySha1[ith++] = o;
 			if (o > maxOffset)
@@ -155,7 +155,7 @@
 	 *            start offset of object to find.
 	 * @return object id for this offset, or null if no object was found.
 	 */
-	public ObjectId findObject(final long offset) {
+	public ObjectId findObject(long offset) {
 		final int ith = binarySearch(offset);
 		if (ith < 0)
 			return null;
@@ -177,7 +177,7 @@
 	 * @throws org.eclipse.jgit.errors.CorruptObjectException
 	 *             when there is no object with the provided offset.
 	 */
-	public long findNextOffset(final long offset, final long maxOffset)
+	public long findNextOffset(long offset, long maxOffset)
 			throws CorruptObjectException {
 		final int ith = binarySearch(offset);
 		if (ith < 0)
@@ -195,7 +195,7 @@
 		return binarySearch(offset);
 	}
 
-	private int binarySearch(final long offset) {
+	private int binarySearch(long offset) {
 		int bucket = (int) (offset / bucketSize);
 		int low = bucket == 0 ? 0 : offsetIndex[bucket - 1];
 		int high = offsetIndex[bucket];
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
index 106c84b..6a18df8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectory.java
@@ -209,7 +209,7 @@
 
 	private List<Integer> retrySleepMs = RETRY_SLEEP_MS;
 
-	RefDirectory(final FileRepository db) {
+	RefDirectory(FileRepository db) {
 		final FS fs = db.getFS();
 		parent = db;
 		gitDir = db.getDirectory();
@@ -346,7 +346,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public Ref getRef(final String needle) throws IOException {
+	public Ref getRef(String needle) throws IOException {
 		final RefList<Ref> packed = getPackedRefs();
 		Ref ref = null;
 		for (String prefix : SEARCH_PATH) {
@@ -435,7 +435,7 @@
 
 		RefList.Builder<LooseRef> newLoose;
 
-		LooseScanner(final RefList<LooseRef> curLoose) {
+		LooseScanner(RefList<LooseRef> curLoose) {
 			this.curLoose = curLoose;
 		}
 
@@ -546,7 +546,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public Ref peel(final Ref ref) throws IOException {
+	public Ref peel(Ref ref) throws IOException {
 		final Ref leaf = ref.getLeaf();
 		if (leaf.isPeeled() || leaf.getObjectId() == null)
 			return ref;
@@ -568,7 +568,7 @@
 		return recreate(ref, newLeaf);
 	}
 
-	private ObjectIdRef doPeel(final Ref leaf) throws MissingObjectException,
+	private ObjectIdRef doPeel(Ref leaf) throws MissingObjectException,
 			IOException {
 		try (RevWalk rw = new RevWalk(getRepository())) {
 			RevObject obj = rw.parseAny(leaf.getObjectId());
@@ -582,7 +582,7 @@
 		}
 	}
 
-	private static Ref recreate(final Ref old, final ObjectIdRef leaf) {
+	private static Ref recreate(Ref old, ObjectIdRef leaf) {
 		if (old.isSymbolic()) {
 			Ref dst = recreate(old.getTarget(), leaf);
 			return new SymbolicRef(old.getName(), dst);
@@ -972,7 +972,7 @@
 		}
 	}
 
-	private RefList<Ref> parsePackedRefs(final BufferedReader br)
+	private RefList<Ref> parsePackedRefs(BufferedReader br)
 			throws IOException {
 		RefList.Builder<Ref> all = new RefList.Builder<>();
 		Ref last = null;
@@ -1024,7 +1024,7 @@
 		return all.toRefList();
 	}
 
-	private static String copy(final String src, final int off, final int end) {
+	private static String copy(String src, int off, int end) {
 		// Don't use substring since it could leave a reference to the much
 		// larger existing string. Force construction of a full new object.
 		return new StringBuilder(end - off).append(src, off, end).toString();
@@ -1190,7 +1190,7 @@
 		return new LooseUnpeeled(otherSnapshot, name, id);
 	}
 
-	private static boolean isSymRef(final byte[] buf, int n) {
+	private static boolean isSymRef(byte[] buf, int n) {
 		if (n < 6)
 			return false;
 		return /**/buf[0] == 'r' //
@@ -1263,18 +1263,18 @@
 		return new File(gitDir, name);
 	}
 
-	static int levelsIn(final String name) {
+	static int levelsIn(String name) {
 		int count = 0;
 		for (int p = name.indexOf('/'); p >= 0; p = name.indexOf('/', p + 1))
 			count++;
 		return count;
 	}
 
-	static void delete(final File file, final int depth) throws IOException {
+	static void delete(File file, int depth) throws IOException {
 		delete(file, depth, null);
 	}
 
-	private static void delete(final File file, final int depth, LockFile rLck)
+	private static void delete(File file, int depth, LockFile rLck)
 			throws IOException {
 		if (!file.delete() && file.isFile()) {
 			throw new IOException(MessageFormat.format(
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryRename.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
index 202e51f..ec7ec73 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryRename.java
@@ -104,7 +104,7 @@
 		objId = source.getOldObjectId();
 		updateHEAD = needToUpdateHEAD();
 		tmp = refdb.newTemporaryUpdate();
-		try (final RevWalk rw = new RevWalk(refdb.getRepository())) {
+		try (RevWalk rw = new RevWalk(refdb.getRepository())) {
 			// First backup the source so its never unreachable.
 			tmp.setNewObjectId(objId);
 			tmp.setForceUpdate(true);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryUpdate.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryUpdate.java
index 4d6b245..45ce634 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryUpdate.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/RefDirectoryUpdate.java
@@ -60,7 +60,7 @@
 	private boolean shouldDeref;
 	private LockFile lock;
 
-	RefDirectoryUpdate(final RefDirectory r, final Ref ref) {
+	RefDirectoryUpdate(RefDirectory r, Ref ref) {
 		super(ref);
 		database = r;
 	}
@@ -106,7 +106,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected Result doUpdate(final Result status) throws IOException {
+	protected Result doUpdate(Result status) throws IOException {
 		WriteConfig wc = database.getRepository().getConfig()
 				.get(WriteConfig.KEY);
 
@@ -148,7 +148,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected Result doDelete(final Result status) throws IOException {
+	protected Result doDelete(Result status) throws IOException {
 		if (getRef().getStorage() != Ref.Storage.NEW)
 			database.delete(this);
 		return status;
@@ -156,7 +156,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected Result doLink(final String target) throws IOException {
+	protected Result doLink(String target) throws IOException {
 		WriteConfig wc = database.getRepository().getConfig()
 				.get(WriteConfig.KEY);
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
index fd6b427..131f716 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/ReflogWriter.java
@@ -220,6 +220,22 @@
 		return Constants.encode(r.toString());
 	}
 
+	private FileOutputStream getFileOutputStream(File log) throws IOException {
+		try {
+			return new FileOutputStream(log, true);
+		} catch (FileNotFoundException err) {
+			File dir = log.getParentFile();
+			if (dir.exists()) {
+				throw err;
+			}
+			if (!dir.mkdirs() && !dir.isDirectory()) {
+				throw new IOException(MessageFormat
+						.format(JGitText.get().cannotCreateDirectory, dir));
+			}
+			return new FileOutputStream(log, true);
+		}
+	}
+
 	private ReflogWriter log(String refName, byte[] rec) throws IOException {
 		File log = refdb.logFor(refName);
 		boolean write = forceWrite
@@ -229,29 +245,17 @@
 			return this;
 
 		WriteConfig wc = refdb.getRepository().getConfig().get(WriteConfig.KEY);
-		FileOutputStream out;
-		try {
-			out = new FileOutputStream(log, true);
-		} catch (FileNotFoundException err) {
-			File dir = log.getParentFile();
-			if (dir.exists())
-				throw err;
-			if (!dir.mkdirs() && !dir.isDirectory())
-				throw new IOException(MessageFormat.format(
-						JGitText.get().cannotCreateDirectory, dir));
-			out = new FileOutputStream(log, true);
-		}
-		try {
+		try (FileOutputStream out = getFileOutputStream(log)) {
 			if (wc.getFSyncRefFiles()) {
 				FileChannel fc = out.getChannel();
 				ByteBuffer buf = ByteBuffer.wrap(rec);
-				while (0 < buf.remaining())
+				while (0 < buf.remaining()) {
 					fc.write(buf);
+				}
 				fc.force(true);
-			} else
+			} else {
 				out.write(rec);
-		} finally {
-			out.close();
+			}
 		}
 		return this;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
index adb05e4..cf474af 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/UnpackedObject.java
@@ -266,7 +266,7 @@
 		}
 	}
 
-	static boolean isStandardFormat(final byte[] hdr) {
+	static boolean isStandardFormat(byte[] hdr) {
 		/*
 		 * We must determine if the buffer contains the standard
 		 * zlib-deflated stream or the experimental format based
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
index e71284f..8cf1d4e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCache.java
@@ -157,7 +157,7 @@
 	 *             settings, usually too low of a limit.
 	 */
 	@Deprecated
-	public static void reconfigure(final WindowCacheConfig cfg) {
+	public static void reconfigure(WindowCacheConfig cfg) {
 		final WindowCache nc = new WindowCache(cfg);
 		final WindowCache oc = cache;
 		if (oc != null)
@@ -178,7 +178,7 @@
 		return cache;
 	}
 
-	static final ByteWindow get(final PackFile pack, final long offset)
+	static final ByteWindow get(PackFile pack, long offset)
 			throws IOException {
 		final WindowCache c = cache;
 		final ByteWindow r = c.getOrLoad(pack, c.toStart(offset));
@@ -193,7 +193,7 @@
 		return r;
 	}
 
-	static final void purge(final PackFile pack) {
+	static final void purge(PackFile pack) {
 		cache.removeAll(pack);
 	}
 
@@ -232,7 +232,7 @@
 
 	private final AtomicLong openBytes;
 
-	private WindowCache(final WindowCacheConfig cfg) {
+	private WindowCache(WindowCacheConfig cfg) {
 		tableSize = tableSize(cfg);
 		final int lockCount = lockCount(cfg);
 		if (tableSize < 1)
@@ -286,11 +286,11 @@
 		return openBytes.get();
 	}
 
-	private int hash(final int packHash, final long off) {
+	private int hash(int packHash, long off) {
 		return packHash + (int) (off >>> windowSizeShift);
 	}
 
-	private ByteWindow load(final PackFile pack, final long offset)
+	private ByteWindow load(PackFile pack, long offset)
 			throws IOException {
 		if (pack.beginWindowCache())
 			openFiles.incrementAndGet();
@@ -310,18 +310,18 @@
 		}
 	}
 
-	private Ref createRef(final PackFile p, final long o, final ByteWindow v) {
+	private Ref createRef(PackFile p, long o, ByteWindow v) {
 		final Ref ref = new Ref(p, o, v, queue);
 		openBytes.addAndGet(ref.size);
 		return ref;
 	}
 
-	private void clear(final Ref ref) {
+	private void clear(Ref ref) {
 		openBytes.addAndGet(-ref.size);
 		close(ref.pack);
 	}
 
-	private void close(final PackFile pack) {
+	private void close(PackFile pack) {
 		if (pack.endWindowCache())
 			openFiles.decrementAndGet();
 	}
@@ -330,11 +330,11 @@
 		return maxFiles < openFiles.get() || maxBytes < openBytes.get();
 	}
 
-	private long toStart(final long offset) {
+	private long toStart(long offset) {
 		return (offset >>> windowSizeShift) << windowSizeShift;
 	}
 
-	private static int tableSize(final WindowCacheConfig cfg) {
+	private static int tableSize(WindowCacheConfig cfg) {
 		final int wsz = cfg.getPackedGitWindowSize();
 		final long limit = cfg.getPackedGitLimit();
 		if (wsz <= 0)
@@ -344,7 +344,7 @@
 		return (int) Math.min(5 * (limit / wsz) / 2, 2000000000);
 	}
 
-	private static int lockCount(final WindowCacheConfig cfg) {
+	private static int lockCount(WindowCacheConfig cfg) {
 		return Math.max(cfg.getPackedGitOpenFiles(), 32);
 	}
 
@@ -360,7 +360,7 @@
 	 *             the object reference was not in the cache and could not be
 	 *             obtained by {@link #load(PackFile, long)}.
 	 */
-	private ByteWindow getOrLoad(final PackFile pack, final long position)
+	private ByteWindow getOrLoad(PackFile pack, long position)
 			throws IOException {
 		final int slot = slot(pack, position);
 		final Entry e1 = table.get(slot);
@@ -399,7 +399,7 @@
 		return v;
 	}
 
-	private ByteWindow scan(Entry n, final PackFile pack, final long position) {
+	private ByteWindow scan(Entry n, PackFile pack, long position) {
 		for (; n != null; n = n.next) {
 			final Ref r = n.ref;
 			if (r.pack == pack && r.position == position) {
@@ -415,7 +415,7 @@
 		return null;
 	}
 
-	private void hit(final Ref r) {
+	private void hit(Ref r) {
 		// We don't need to be 100% accurate here. Its sufficient that at least
 		// one thread performs the increment. Any other concurrent access at
 		// exactly the same time can simply use the same clock value.
@@ -487,7 +487,7 @@
 	 * @param pack
 	 *            the file to purge all entries of.
 	 */
-	private void removeAll(final PackFile pack) {
+	private void removeAll(PackFile pack) {
 		for (int s = 0; s < tableSize; s++) {
 			final Entry e1 = table.get(s);
 			boolean hasDead = false;
@@ -521,11 +521,11 @@
 		}
 	}
 
-	private int slot(final PackFile pack, final long position) {
+	private int slot(PackFile pack, long position) {
 		return (hash(pack.hash, position) >>> 1) % tableSize;
 	}
 
-	private Lock lock(final PackFile pack, final long position) {
+	private Lock lock(PackFile pack, long position) {
 		return locks[(hash(pack.hash, position) >>> 1) % locks.length];
 	}
 
@@ -556,7 +556,7 @@
 		 */
 		volatile boolean dead;
 
-		Entry(final Entry n, final Ref r) {
+		Entry(Entry n, Ref r) {
 			next = n;
 			ref = r;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCursor.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCursor.java
index 569bfe8..010c142 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCursor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WindowCursor.java
@@ -347,7 +347,7 @@
 			inf.reset();
 	}
 
-	void pin(final PackFile pack, final long position)
+	void pin(PackFile pack, long position)
 			throws IOException {
 		final ByteWindow w = window;
 		if (w == null || !w.contains(pack, position)) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WriteConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WriteConfig.java
index d9cbbd8..23055ee 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WriteConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/WriteConfig.java
@@ -57,7 +57,7 @@
 
 	private final boolean fsyncRefFiles;
 
-	private WriteConfig(final Config rc) {
+	private WriteConfig(Config rc) {
 		compression = rc.get(CoreConfig.KEY).getCompression();
 		fsyncObjectFiles = rc.getBoolean("core", "fsyncobjectfiles", false); //$NON-NLS-1$ //$NON-NLS-2$
 		fsyncRefFiles = rc.getBoolean("core", "fsyncreffiles", false); //$NON-NLS-1$ //$NON-NLS-2$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/BinaryDelta.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/BinaryDelta.java
index 2565931..c7e5ad6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/BinaryDelta.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/BinaryDelta.java
@@ -64,7 +64,7 @@
 	 *            the delta stream, or at least the header of it.
 	 * @return the base object's size.
 	 */
-	public static long getBaseSize(final byte[] delta) {
+	public static long getBaseSize(byte[] delta) {
 		int p = 0;
 		long baseLen = 0;
 		int c, shift = 0;
@@ -83,7 +83,7 @@
 	 *            the delta stream, or at least the header of it.
 	 * @return the resulting object's size.
 	 */
-	public static long getResultSize(final byte[] delta) {
+	public static long getResultSize(byte[] delta) {
 		int p = 0;
 
 		// Skip length of the base object.
@@ -114,7 +114,7 @@
 	 *            another.
 	 * @return patched base
 	 */
-	public static final byte[] apply(final byte[] base, final byte[] delta) {
+	public static final byte[] apply(byte[] base, byte[] delta) {
 		return apply(base, delta, null);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaIndexScanner.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaIndexScanner.java
index 969d02b..944a9e5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaIndexScanner.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaIndexScanner.java
@@ -89,7 +89,7 @@
 		}
 	}
 
-	private void scan(byte[] raw, final int end) {
+	private void scan(byte[] raw, int end) {
 		// We scan the input backwards, and always insert onto the
 		// front of the chain. This ensures that chains will have lower
 		// offsets at the front of the chain, allowing us to prefer the
@@ -120,7 +120,7 @@
 		} while (0 <= ptr);
 	}
 
-	private static int tableSize(final int worstCaseBlockCnt) {
+	private static int tableSize(int worstCaseBlockCnt) {
 		int shift = 32 - Integer.numberOfLeadingZeros(worstCaseBlockCnt);
 		int sz = 1 << (shift - 1);
 		if (sz < worstCaseBlockCnt)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaWindow.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaWindow.java
index 73b285a..a047534 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaWindow.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/DeltaWindow.java
@@ -266,7 +266,7 @@
 		deltaBuf = null;
 	}
 
-	private boolean delta(final DeltaWindowEntry src)
+	private boolean delta(DeltaWindowEntry src)
 			throws IOException {
 		// If the sizes are radically different, this is a bad pairing.
 		if (res.size() < src.size() >>> 4)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/ObjectToPack.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/ObjectToPack.java
index e8c7510..a30bf98 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/ObjectToPack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/ObjectToPack.java
@@ -103,7 +103,7 @@
 	 * @param type
 	 *            real type code of the object, not its in-pack type.
 	 */
-	public ObjectToPack(AnyObjectId src, final int type) {
+	public ObjectToPack(AnyObjectId src, int type) {
 		super(src);
 		flags = type << TYPE_SHIFT;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackOutputStream.java
index fd9c1a0..7f38a7b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackOutputStream.java
@@ -107,7 +107,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public final void write(final int b) throws IOException {
+	public final void write(int b) throws IOException {
 		count++;
 		out.write(b);
 		md.update((byte) b);
@@ -115,7 +115,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public final void write(final byte[] b, int off, int len)
+	public final void write(byte[] b, int off, int len)
 			throws IOException {
 		while (0 < len) {
 			final int n = Math.min(len, BYTES_TO_WRITE_BEFORE_CANCEL_CHECK);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
index 42df1a6..36d6f0a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/pack/PackWriter.java
@@ -303,6 +303,8 @@
 
 	private ObjectCountCallback callback;
 
+	private long filterBlobLimit = -1;
+
 	/**
 	 * Create writer for specified repository.
 	 * <p>
@@ -312,7 +314,7 @@
 	 * @param repo
 	 *            repository where objects are stored.
 	 */
-	public PackWriter(final Repository repo) {
+	public PackWriter(Repository repo) {
 		this(repo, repo.newObjectReader());
 	}
 
@@ -325,7 +327,7 @@
 	 * @param reader
 	 *            reader to read from the repository with.
 	 */
-	public PackWriter(final ObjectReader reader) {
+	public PackWriter(ObjectReader reader) {
 		this(new PackConfig(), reader);
 	}
 
@@ -340,7 +342,7 @@
 	 * @param reader
 	 *            reader to read from the repository with.
 	 */
-	public PackWriter(final Repository repo, final ObjectReader reader) {
+	public PackWriter(Repository repo, ObjectReader reader) {
 		this(new PackConfig(repo), reader);
 	}
 
@@ -355,7 +357,7 @@
 	 * @param reader
 	 *            reader to read from the repository with.
 	 */
-	public PackWriter(final PackConfig config, final ObjectReader reader) {
+	public PackWriter(PackConfig config, ObjectReader reader) {
 		this(config, reader, null);
 	}
 
@@ -510,7 +512,7 @@
 	 *            determined by set; this kind of pack is used only for
 	 *            transport; true - to produce thin pack, false - otherwise.
 	 */
-	public void setThin(final boolean packthin) {
+	public void setThin(boolean packthin) {
 		thin = packthin;
 	}
 
@@ -601,7 +603,7 @@
 	 *            pack; false otherwise - non existing uninteresting objects may
 	 *            cause {@link org.eclipse.jgit.errors.MissingObjectException}
 	 */
-	public void setIgnoreMissingUninteresting(final boolean ignore) {
+	public void setIgnoreMissingUninteresting(boolean ignore) {
 		ignoreMissingUninteresting = ignore;
 	}
 
@@ -639,6 +641,14 @@
 	}
 
 	/**
+	 * @param bytes exclude blobs of size greater than this
+	 * @since 5.0
+	 */
+	public void setFilterBlobLimit(long bytes) {
+		filterBlobLimit = bytes;
+	}
+
+	/**
 	 * Returns objects number in a pack file that was created by this writer.
 	 *
 	 * @return number of objects in pack.
@@ -914,7 +924,7 @@
 	 * @throws java.io.IOException
 	 *             a cached pack cannot be examined.
 	 */
-	public boolean willInclude(final AnyObjectId id) throws IOException {
+	public boolean willInclude(AnyObjectId id) throws IOException {
 		ObjectToPack obj = objectsMap.get(id);
 		return obj != null && !obj.isEdge();
 	}
@@ -981,7 +991,7 @@
 	 * @throws java.io.IOException
 	 *             the index data could not be written to the supplied stream.
 	 */
-	public void writeIndex(final OutputStream indexStream) throws IOException {
+	public void writeIndex(OutputStream indexStream) throws IOException {
 		if (isIndexDisabled())
 			throw new IOException(JGitText.get().cachedPacksPreventsIndexCreation);
 
@@ -1003,7 +1013,7 @@
 	 * @throws java.io.IOException
 	 *             the index data could not be written to the supplied stream.
 	 */
-	public void writeBitmapIndex(final OutputStream bitmapIndexStream)
+	public void writeBitmapIndex(OutputStream bitmapIndexStream)
 			throws IOException {
 		if (writeBitmaps == null)
 			throw new IOException(JGitText.get().bitmapsMustBePrepared);
@@ -1516,7 +1526,7 @@
 			// The caller gave us an executor, but it might not do
 			// asynchronous execution.  Wrap everything and hope it
 			// can schedule these for us.
-			for (final DeltaTask task : taskBlock.tasks) {
+			for (DeltaTask task : taskBlock.tasks) {
 				executor.execute(new Runnable() {
 					@Override
 					public void run() {
@@ -1723,7 +1733,7 @@
 		typeStats.deltaBytes += out.length() - otp.getOffset();
 	}
 
-	private TemporaryBuffer.Heap delta(final ObjectToPack otp)
+	private TemporaryBuffer.Heap delta(ObjectToPack otp)
 			throws IOException {
 		DeltaIndex index = new DeltaIndex(buffer(otp.getDeltaBaseId()));
 		byte[] res = buffer(otp);
@@ -1960,7 +1970,7 @@
 				byte[] pathBuf = walker.getPathBuffer();
 				int pathLen = walker.getPathLength();
 				bases.addBase(o.getType(), pathBuf, pathLen, pathHash);
-				addObject(o, pathHash);
+				filterAndAddObject(o, o.getType(), pathHash);
 				countingMonitor.update(1);
 			}
 		} else {
@@ -1970,7 +1980,7 @@
 					continue;
 				if (exclude(o))
 					continue;
-				addObject(o, walker.getPathHashCode());
+				filterAndAddObject(o, o.getType(), walker.getPathHashCode());
 				countingMonitor.update(1);
 			}
 		}
@@ -2003,7 +2013,7 @@
 				needBitmap.remove(objectId);
 				continue;
 			}
-			addObject(objectId, obj.getType(), 0);
+			filterAndAddObject(objectId, obj.getType(), 0);
 		}
 
 		if (thin)
@@ -2040,13 +2050,13 @@
 	 * @throws org.eclipse.jgit.errors.IncorrectObjectTypeException
 	 *             the object is an unsupported type.
 	 */
-	public void addObject(final RevObject object)
+	public void addObject(RevObject object)
 			throws IncorrectObjectTypeException {
 		if (!exclude(object))
 			addObject(object, 0);
 	}
 
-	private void addObject(final RevObject object, final int pathHashCode) {
+	private void addObject(RevObject object, int pathHashCode) {
 		addObject(object, object.getType(), pathHashCode);
 	}
 
@@ -2062,6 +2072,21 @@
 		objectsMap.add(otp);
 	}
 
+	// Adds the given object as an object to be packed, first performing
+	// filtering on blobs at or exceeding a given size.
+	private void filterAndAddObject(@NonNull AnyObjectId src, int type,
+			int pathHashCode) throws IOException {
+
+		// Check if this object needs to be rejected, doing the cheaper
+		// checks first.
+		boolean reject = filterBlobLimit >= 0 &&
+			type == OBJ_BLOB &&
+			reader.getObjectSize(src, OBJ_BLOB) > filterBlobLimit;
+		if (!reject) {
+			addObject(src, type, pathHashCode);
+		}
+	}
+
 	private boolean exclude(AnyObjectId objectId) {
 		if (excludeInPacks == null)
 			return false;
@@ -2223,290 +2248,6 @@
 		return true;
 	}
 
-	/**
-	 * Summary of how PackWriter created the pack.
-	 *
-	 * @deprecated Use {@link PackStatistics} instead.
-	 */
-	@Deprecated
-	public static class Statistics {
-		/** Statistics about a single class of object. */
-		public static class ObjectType {
-			// All requests are forwarded to this object.
-			private PackStatistics.ObjectType objectType;
-
-			/**
-			 * Wraps an
-			 * {@link org.eclipse.jgit.storage.pack.PackStatistics.ObjectType}
-			 * instance to maintain backwards compatibility with existing API.
-			 *
-			 * @param type
-			 *            the wrapped instance
-			 */
-			public ObjectType(PackStatistics.ObjectType type) {
-				objectType = type;
-			}
-
-			/**
-			 * @return total number of objects output. This total includes the
-			 *         value of {@link #getDeltas()}.
-			 */
-			public long getObjects() {
-				return objectType.getObjects();
-			}
-
-			/**
-			 * @return total number of deltas output. This may be lower than the
-			 *         actual number of deltas if a cached pack was reused.
-			 */
-			public long getDeltas() {
-				return objectType.getDeltas();
-			}
-
-			/**
-			 * @return number of objects whose existing representation was
-			 *         reused in the output. This count includes
-			 *         {@link #getReusedDeltas()}.
-			 */
-			public long getReusedObjects() {
-				return objectType.getReusedObjects();
-			}
-
-			/**
-			 * @return number of deltas whose existing representation was reused
-			 *         in the output, as their base object was also output or
-			 *         was assumed present for a thin pack. This may be lower
-			 *         than the actual number of reused deltas if a cached pack
-			 *         was reused.
-			 */
-			public long getReusedDeltas() {
-				return objectType.getReusedDeltas();
-			}
-
-			/**
-			 * @return total number of bytes written. This size includes the
-			 *         object headers as well as the compressed data. This size
-			 *         also includes all of {@link #getDeltaBytes()}.
-			 */
-			public long getBytes() {
-				return objectType.getBytes();
-			}
-
-			/**
-			 * @return number of delta bytes written. This size includes the
-			 *         object headers for the delta objects.
-			 */
-			public long getDeltaBytes() {
-				return objectType.getDeltaBytes();
-			}
-		}
-
-		// All requests are forwarded to this object.
-		private PackStatistics statistics;
-
-		/**
-		 * Wraps a {@link PackStatistics} object to maintain backwards
-		 * compatibility with existing API.
-		 *
-		 * @param stats
-		 *            the wrapped PackStatitics object
-		 */
-		public Statistics(PackStatistics stats) {
-			statistics = stats;
-		}
-
-		/**
-		 * @return unmodifiable collection of objects to be included in the
-		 *         pack. May be null if the pack was hand-crafted in a unit
-		 *         test.
-		 */
-		public Set<ObjectId> getInterestingObjects() {
-			return statistics.getInterestingObjects();
-		}
-
-		/**
-		 * @return unmodifiable collection of objects that should be excluded
-		 *         from the pack, as the peer that will receive the pack already
-		 *         has these objects.
-		 */
-		public Set<ObjectId> getUninterestingObjects() {
-			return statistics.getUninterestingObjects();
-		}
-
-		/**
-		 * @return unmodifiable collection of the cached packs that were reused
-		 *         in the output, if any were selected for reuse.
-		 */
-		public Collection<CachedPack> getReusedPacks() {
-			return statistics.getReusedPacks();
-		}
-
-		/**
-		 * @return number of objects in the output pack that went through the
-		 *         delta search process in order to find a potential delta base.
-		 */
-		public int getDeltaSearchNonEdgeObjects() {
-			return statistics.getDeltaSearchNonEdgeObjects();
-		}
-
-		/**
-		 * @return number of objects in the output pack that went through delta
-		 *         base search and found a suitable base. This is a subset of
-		 *         {@link #getDeltaSearchNonEdgeObjects()}.
-		 */
-		public int getDeltasFound() {
-			return statistics.getDeltasFound();
-		}
-
-		/**
-		 * @return total number of objects output. This total includes the value
-		 *         of {@link #getTotalDeltas()}.
-		 */
-		public long getTotalObjects() {
-			return statistics.getTotalObjects();
-		}
-
-		/**
-		 * @return the count of objects that needed to be discovered through an
-		 *         object walk because they were not found in bitmap indices.
-		 *         Returns -1 if no bitmap indices were found.
-		 */
-		public long getBitmapIndexMisses() {
-			return statistics.getBitmapIndexMisses();
-		}
-
-		/**
-		 * @return total number of deltas output. This may be lower than the
-		 *         actual number of deltas if a cached pack was reused.
-		 */
-		public long getTotalDeltas() {
-			return statistics.getTotalDeltas();
-		}
-
-		/**
-		 * @return number of objects whose existing representation was reused in
-		 *         the output. This count includes {@link #getReusedDeltas()}.
-		 */
-		public long getReusedObjects() {
-			return statistics.getReusedObjects();
-		}
-
-		/**
-		 * @return number of deltas whose existing representation was reused in
-		 *         the output, as their base object was also output or was
-		 *         assumed present for a thin pack. This may be lower than the
-		 *         actual number of reused deltas if a cached pack was reused.
-		 */
-		public long getReusedDeltas() {
-			return statistics.getReusedDeltas();
-		}
-
-		/**
-		 * @return total number of bytes written. This size includes the pack
-		 *         header, trailer, thin pack, and reused cached pack(s).
-		 */
-		public long getTotalBytes() {
-			return statistics.getTotalBytes();
-		}
-
-		/**
-		 * @return size of the thin pack in bytes, if a thin pack was generated.
-		 *         A thin pack is created when the client already has objects
-		 *         and some deltas are created against those objects, or if a
-		 *         cached pack is being used and some deltas will reference
-		 *         objects in the cached pack. This size does not include the
-		 *         pack header or trailer.
-		 */
-		public long getThinPackBytes() {
-			return statistics.getThinPackBytes();
-		}
-
-		/**
-		 * @param typeCode
-		 *            object type code, e.g. OBJ_COMMIT or OBJ_TREE.
-		 * @return information about this type of object in the pack.
-		 */
-		public ObjectType byObjectType(int typeCode) {
-			return new ObjectType(statistics.byObjectType(typeCode));
-		}
-
-		/** @return true if the resulting pack file was a shallow pack. */
-		public boolean isShallow() {
-			return statistics.isShallow();
-		}
-
-		/** @return depth (in commits) the pack includes if shallow. */
-		public int getDepth() {
-			return statistics.getDepth();
-		}
-
-		/**
-		 * @return time in milliseconds spent enumerating the objects that need
-		 *         to be included in the output. This time includes any restarts
-		 *         that occur when a cached pack is selected for reuse.
-		 */
-		public long getTimeCounting() {
-			return statistics.getTimeCounting();
-		}
-
-		/**
-		 * @return time in milliseconds spent matching existing representations
-		 *         against objects that will be transmitted, or that the client
-		 *         can be assumed to already have.
-		 */
-		public long getTimeSearchingForReuse() {
-			return statistics.getTimeSearchingForReuse();
-		}
-
-		/**
-		 * @return time in milliseconds spent finding the sizes of all objects
-		 *         that will enter the delta compression search window. The
-		 *         sizes need to be known to better match similar objects
-		 *         together and improve delta compression ratios.
-		 */
-		public long getTimeSearchingForSizes() {
-			return statistics.getTimeSearchingForSizes();
-		}
-
-		/**
-		 * @return time in milliseconds spent on delta compression. This is
-		 *         observed wall-clock time and does not accurately track CPU
-		 *         time used when multiple threads were used to perform the
-		 *         delta compression.
-		 */
-		public long getTimeCompressing() {
-			return statistics.getTimeCompressing();
-		}
-
-		/**
-		 * @return time in milliseconds spent writing the pack output, from
-		 *         start of header until end of trailer. The transfer speed can
-		 *         be approximated by dividing {@link #getTotalBytes()} by this
-		 *         value.
-		 */
-		public long getTimeWriting() {
-			return statistics.getTimeWriting();
-		}
-
-		/** @return total time spent processing this pack. */
-		public long getTimeTotal() {
-			return statistics.getTimeTotal();
-		}
-
-		/**
-		 * @return get the average output speed in terms of bytes-per-second.
-		 *         {@code getTotalBytes() / (getTimeWriting() / 1000.0)}.
-		 */
-		public double getTransferRate() {
-			return statistics.getTransferRate();
-		}
-
-		/** @return formatted message string for display to clients. */
-		public String getMessage() {
-			return statistics.getMessage();
-		}
-	}
-
 	private class MutableState {
 		/** Estimated size of a single ObjectToPack instance. */
 		// Assume 64-bit pointers, since this is just an estimate.
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockReader.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockReader.java
index ce2ba4a..942d72f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockReader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockReader.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.reftable;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.internal.storage.reftable.BlockWriter.compare;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_BLOCK_TYPE;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_HEADER_LEN;
@@ -138,7 +138,7 @@
 		if (blockType == LOG_BLOCK_TYPE) {
 			len -= 9;
 		}
-		return RawParseUtils.decode(UTF_8, nameBuf, 0, len);
+		return RawParseUtils.decode(CHARSET, nameBuf, 0, len);
 	}
 
 	boolean match(byte[] match, boolean matchIsPrefix) {
@@ -171,7 +171,7 @@
 	}
 
 	Ref readRef() throws IOException {
-		String name = RawParseUtils.decode(UTF_8, nameBuf, 0, nameLen);
+		String name = RawParseUtils.decode(CHARSET, nameBuf, 0, nameLen);
 		switch (valueType & VALUE_TYPE_MASK) {
 		case VALUE_NONE: // delete
 			return newRef(name);
@@ -266,7 +266,7 @@
 	private String readValueString() {
 		int len = readVarint32();
 		int end = ptr + len;
-		String s = RawParseUtils.decode(UTF_8, buf, ptr, end);
+		String s = RawParseUtils.decode(CHARSET, buf, ptr, end);
 		ptr = end;
 		return s;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockWriter.java
index b3173e8..3d8fbf4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/BlockWriter.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.reftable;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_HEADER_LEN;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.INDEX_BLOCK_TYPE;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.LOG_BLOCK_TYPE;
@@ -440,7 +440,7 @@
 		}
 
 		private static byte[] nameUtf8(Ref ref) {
-			return ref.getName().getBytes(UTF_8);
+			return ref.getName().getBytes(CHARSET);
 		}
 	}
 
@@ -559,13 +559,13 @@
 			this.newId = newId;
 			this.timeSecs = who.getWhen().getTime() / 1000L;
 			this.tz = (short) who.getTimeZoneOffset();
-			this.name = who.getName().getBytes(UTF_8);
-			this.email = who.getEmailAddress().getBytes(UTF_8);
-			this.msg = message.getBytes(UTF_8);
+			this.name = who.getName().getBytes(CHARSET);
+			this.email = who.getEmailAddress().getBytes(CHARSET);
+			this.msg = message.getBytes(CHARSET);
 		}
 
 		static byte[] key(String ref, long index) {
-			byte[] name = ref.getBytes(UTF_8);
+			byte[] name = ref.getBytes(CHARSET);
 			byte[] key = Arrays.copyOf(name, name.length + 1 + 8);
 			NB.encodeInt64(key, key.length - 8, reverseUpdateIndex(index));
 			return key;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableOutputStream.java
index 1fc43c9..44bbb16 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableOutputStream.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.reftable;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_HEADER_LEN;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.INDEX_BLOCK_TYPE;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.LOG_BLOCK_TYPE;
@@ -160,7 +160,7 @@
 	}
 
 	void writeVarintString(String s) {
-		writeVarintString(s.getBytes(UTF_8));
+		writeVarintString(s.getBytes(CHARSET));
 	}
 
 	void writeVarintString(byte[] msg) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableReader.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableReader.java
index 7487719..5356952 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableReader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable/ReftableReader.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.internal.storage.reftable;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.internal.storage.reftable.BlockReader.decodeBlockLen;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_BLOCK_TYPE;
 import static org.eclipse.jgit.internal.storage.reftable.ReftableConstants.FILE_FOOTER_LEN;
@@ -182,7 +182,7 @@
 	public RefCursor seekRef(String refName) throws IOException {
 		initRefIndex();
 
-		byte[] key = refName.getBytes(UTF_8);
+		byte[] key = refName.getBytes(CHARSET);
 		boolean prefix = key[key.length - 1] == '/';
 
 		RefCursorImpl i = new RefCursorImpl(refEnd, key, prefix);
@@ -223,7 +223,7 @@
 		initLogIndex();
 		if (logPosition > 0) {
 			byte[] key = LogEntry.key(refName, updateIndex);
-			byte[] match = refName.getBytes(UTF_8);
+			byte[] match = refName.getBytes(CHARSET);
 			LogCursorImpl i = new LogCursorImpl(logEnd, match);
 			i.block = seek(LOG_BLOCK_TYPE, key, logIndex, logPosition, logEnd);
 			return i;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTree.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTree.java
index e9aa110..5751dd6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTree.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTree.java
@@ -279,7 +279,7 @@
 		return HEAD.equals(n) || Repository.isValidRefName(n);
 	}
 
-	private void apply(DirCacheEditor ed, final Command cmd) {
+	private void apply(DirCacheEditor ed, Command cmd) {
 		String path = refPath(cmd.getRefName());
 		Ref oldRef = cmd.getOldRef();
 		final Ref newRef = cmd.getNewRef();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabase.java b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabase.java
index 183468f..27daaf0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabase.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftree/RefTreeDatabase.java
@@ -282,7 +282,7 @@
 	public List<Ref> getAdditionalRefs() throws IOException {
 		Collection<Ref> txnRefs;
 		if (txnNamespace != null) {
-			txnRefs = bootstrap.getRefs(txnNamespace).values();
+			txnRefs = bootstrap.getRefsByPrefix(txnNamespace);
 		} else {
 			Ref r = bootstrap.exactRef(txnCommitted);
 			if (r != null && r.getObjectId() != null) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
index 425f7f6..d105d0d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AbbreviatedObjectId.java
@@ -74,7 +74,7 @@
 	 *            the string to test.
 	 * @return true if the string can converted into an AbbreviatedObjectId.
 	 */
-	public static final boolean isId(final String id) {
+	public static final boolean isId(String id) {
 		if (id.length() < 2 || Constants.OBJECT_ID_STRING_LENGTH < id.length())
 			return false;
 		try {
@@ -131,7 +131,7 @@
 	 *            the string to read from. Must be &lt;= 40 characters.
 	 * @return the converted object id.
 	 */
-	public static final AbbreviatedObjectId fromString(final String str) {
+	public static final AbbreviatedObjectId fromString(String str) {
 		if (str.length() > Constants.OBJECT_ID_STRING_LENGTH)
 			throw new IllegalArgumentException(MessageFormat.format(JGitText.get().invalidId, str));
 		final byte[] b = Constants.encodeASCII(str);
@@ -165,7 +165,7 @@
 		return r << (8 - n) * 4;
 	}
 
-	static int mask(final int nibbles, final int word, final int v) {
+	static int mask(int nibbles, int word, int v) {
 		final int b = (word - 1) * 8;
 		if (b + 8 <= nibbles) {
 			// We have all of the bits required for this word.
@@ -244,7 +244,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final AnyObjectId other) {
+	public final int prefixCompare(AnyObjectId other) {
 		int cmp;
 
 		cmp = NB.compareUInt32(w1, mask(1, other.w1));
@@ -280,7 +280,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final byte[] bs, final int p) {
+	public final int prefixCompare(byte[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt32(w1, mask(1, NB.decodeInt32(bs, p)));
@@ -316,7 +316,7 @@
 	 *         &gt;0 if this abbreviation names an object that is after
 	 *         <code>other</code>.
 	 */
-	public final int prefixCompare(final int[] bs, final int p) {
+	public final int prefixCompare(int[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt32(w1, mask(1, bs[p]));
@@ -347,7 +347,7 @@
 		return w1 >>> 24;
 	}
 
-	private int mask(final int word, final int v) {
+	private int mask(int word, int v) {
 		return mask(nibbles, word, v);
 	}
 
@@ -359,7 +359,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object o) {
+	public boolean equals(Object o) {
 		if (o instanceof AbbreviatedObjectId) {
 			final AbbreviatedObjectId b = (AbbreviatedObjectId) o;
 			return nibbles == b.nibbles && w1 == b.w1 && w2 == b.w2
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AnyObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AnyObjectId.java
index 5847765..978dd3a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/AnyObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/AnyObjectId.java
@@ -73,17 +73,19 @@
 		if (firstObjectId == secondObjectId)
 			return true;
 
-		// We test word 2 first as odds are someone already used our
-		// word 1 as a hash code, and applying that came up with these
-		// two instances we are comparing for equality. Therefore the
-		// first two words are very likely to be identical. We want to
-		// break away from collisions as quickly as possible.
+		// We test word 3 first since the git file-based ODB
+		// uses the first byte of w1, and we use w2 as the
+		// hash code, one of those probably came up with these
+		// two instances which we are comparing for equality.
+		// Therefore the first two words are very likely to be
+		// identical. We want to break away from collisions as
+		// quickly as possible.
 		//
-		return firstObjectId.w2 == secondObjectId.w2
-				&& firstObjectId.w3 == secondObjectId.w3
+		return firstObjectId.w3 == secondObjectId.w3
 				&& firstObjectId.w4 == secondObjectId.w4
 				&& firstObjectId.w5 == secondObjectId.w5
-				&& firstObjectId.w1 == secondObjectId.w1;
+				&& firstObjectId.w1 == secondObjectId.w1
+				&& firstObjectId.w2 == secondObjectId.w2;
 	}
 
 	int w1;
@@ -159,7 +161,7 @@
 	 * Compare this ObjectId to another and obtain a sort ordering.
 	 */
 	@Override
-	public final int compareTo(final AnyObjectId other) {
+	public final int compareTo(AnyObjectId other) {
 		if (this == other)
 			return 0;
 
@@ -195,7 +197,7 @@
 	 * @return a negative integer, zero, or a positive integer as this object is
 	 *         less than, equal to, or greater than the specified object.
 	 */
-	public final int compareTo(final byte[] bs, final int p) {
+	public final int compareTo(byte[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt32(w1, NB.decodeInt32(bs, p));
@@ -228,7 +230,7 @@
 	 * @return a negative integer, zero, or a positive integer as this object is
 	 *         less than, equal to, or greater than the specified object.
 	 */
-	public final int compareTo(final int[] bs, final int p) {
+	public final int compareTo(int[] bs, int p) {
 		int cmp;
 
 		cmp = NB.compareUInt32(w1, bs[p]);
@@ -257,7 +259,7 @@
 	 *            the abbreviation.
 	 * @return true if this ObjectId begins with the abbreviation; else false.
 	 */
-	public boolean startsWith(final AbbreviatedObjectId abbr) {
+	public boolean startsWith(AbbreviatedObjectId abbr) {
 		return abbr.prefixCompare(this) == 0;
 	}
 
@@ -274,13 +276,13 @@
 	 *            the other id to compare to. May be null.
 	 * @return true only if both ObjectIds have identical bits.
 	 */
-	public final boolean equals(final AnyObjectId other) {
+	public final boolean equals(AnyObjectId other) {
 		return other != null ? equals(this, other) : false;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public final boolean equals(final Object o) {
+	public final boolean equals(Object o) {
 		if (o instanceof AnyObjectId)
 			return equals((AnyObjectId) o);
 		else
@@ -293,7 +295,7 @@
 	 * @param w
 	 *            the buffer to copy to. Must be in big endian order.
 	 */
-	public void copyRawTo(final ByteBuffer w) {
+	public void copyRawTo(ByteBuffer w) {
 		w.putInt(w1);
 		w.putInt(w2);
 		w.putInt(w3);
@@ -309,7 +311,7 @@
 	 * @param o
 	 *            the offset within b to write at.
 	 */
-	public void copyRawTo(final byte[] b, final int o) {
+	public void copyRawTo(byte[] b, int o) {
 		NB.encodeInt32(b, o, w1);
 		NB.encodeInt32(b, o + 4, w2);
 		NB.encodeInt32(b, o + 8, w3);
@@ -325,7 +327,7 @@
 	 * @param o
 	 *            the offset within b to write at.
 	 */
-	public void copyRawTo(final int[] b, final int o) {
+	public void copyRawTo(int[] b, int o) {
 		b[o] = w1;
 		b[o + 1] = w2;
 		b[o + 2] = w3;
@@ -341,7 +343,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyRawTo(final OutputStream w) throws IOException {
+	public void copyRawTo(OutputStream w) throws IOException {
 		writeRawInt(w, w1);
 		writeRawInt(w, w2);
 		writeRawInt(w, w3);
@@ -349,7 +351,7 @@
 		writeRawInt(w, w5);
 	}
 
-	private static void writeRawInt(final OutputStream w, int v)
+	private static void writeRawInt(OutputStream w, int v)
 			throws IOException {
 		w.write(v >>> 24);
 		w.write(v >>> 16);
@@ -365,7 +367,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final OutputStream w) throws IOException {
+	public void copyTo(OutputStream w) throws IOException {
 		w.write(toHexByteArray());
 	}
 
@@ -408,7 +410,7 @@
 	private static final byte[] hexbyte = { '0', '1', '2', '3', '4', '5', '6',
 			'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 
-	private static void formatHexByte(final byte[] dst, final int p, int w) {
+	private static void formatHexByte(byte[] dst, int p, int w) {
 		int o = p + 7;
 		while (o >= p && w != 0) {
 			dst[o--] = hexbyte[w & 0xf];
@@ -426,7 +428,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final Writer w) throws IOException {
+	public void copyTo(Writer w) throws IOException {
 		w.write(toHexCharArray());
 	}
 
@@ -442,7 +444,7 @@
 	 * @throws java.io.IOException
 	 *             the stream writing failed.
 	 */
-	public void copyTo(final char[] tmp, final Writer w) throws IOException {
+	public void copyTo(char[] tmp, Writer w) throws IOException {
 		toHexCharArray(tmp);
 		w.write(tmp, 0, Constants.OBJECT_ID_STRING_LENGTH);
 	}
@@ -457,7 +459,7 @@
 	 * @param w
 	 *            the string to append onto.
 	 */
-	public void copyTo(final char[] tmp, final StringBuilder w) {
+	public void copyTo(char[] tmp, StringBuilder w) {
 		toHexCharArray(tmp);
 		w.append(tmp, 0, Constants.OBJECT_ID_STRING_LENGTH);
 	}
@@ -468,7 +470,7 @@
 		return dst;
 	}
 
-	private void toHexCharArray(final char[] dst) {
+	private void toHexCharArray(char[] dst) {
 		formatHexChar(dst, 0, w1);
 		formatHexChar(dst, 8, w2);
 		formatHexChar(dst, 16, w3);
@@ -479,7 +481,7 @@
 	private static final char[] hexchar = { '0', '1', '2', '3', '4', '5', '6',
 			'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
 
-	static void formatHexChar(final char[] dst, final int p, int w) {
+	static void formatHexChar(char[] dst, int p, int w) {
 		int o = p + 7;
 		while (o >= p && w != 0) {
 			dst[o--] = hexchar[w & 0xf];
@@ -527,7 +529,7 @@
 	 *            length of the abbreviated string.
 	 * @return SHA-1 abbreviation.
 	 */
-	public AbbreviatedObjectId abbreviate(final int len) {
+	public AbbreviatedObjectId abbreviate(int len) {
 		final int a = AbbreviatedObjectId.mask(len, 1, w1);
 		final int b = AbbreviatedObjectId.mask(len, 2, w2);
 		final int c = AbbreviatedObjectId.mask(len, 3, w3);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BatchRefUpdate.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BatchRefUpdate.java
index 6919f7e..925b6be 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BatchRefUpdate.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BatchRefUpdate.java
@@ -46,6 +46,7 @@
 
 import static org.eclipse.jgit.transport.ReceiveCommand.Result.NOT_ATTEMPTED;
 import static org.eclipse.jgit.transport.ReceiveCommand.Result.REJECTED_OTHER_REASON;
+import static java.util.stream.Collectors.toCollection;
 
 import java.io.IOException;
 import java.text.MessageFormat;
@@ -179,7 +180,7 @@
 	 *            configuration.
 	 * @return {@code this}.
 	 */
-	public BatchRefUpdate setRefLogIdent(final PersonIdent pi) {
+	public BatchRefUpdate setRefLogIdent(PersonIdent pi) {
 		refLogIdent = pi;
 		return this;
 	}
@@ -528,8 +529,9 @@
 		}
 		if (!commands2.isEmpty()) {
 			// What part of the name space is already taken
-			Collection<String> takenNames = new HashSet<>(refdb.getRefs(
-					RefDatabase.ALL).keySet());
+			Collection<String> takenNames = refdb.getRefs().stream()
+					.map(Ref::getName)
+					.collect(toCollection(HashSet::new));
 			Collection<String> takenPrefixes = getTakenPrefixes(takenNames);
 
 			// Now to the update that may require more room in the name space
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BitmapIndex.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BitmapIndex.java
index fc354db..9f64f35 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BitmapIndex.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BitmapIndex.java
@@ -121,19 +121,6 @@
 	 * return a reference to the current builder.
 	 */
 	public interface BitmapBuilder extends Bitmap {
-		/**
-		 * Adds the id and the existing bitmap for the id, if one exists, to the
-		 * bitmap.
-		 *
-		 * @param objectId
-		 *            the object ID
-		 * @param type
-		 *            the Git object type. See {@link Constants}.
-		 * @return true if the value was not contained or able to be loaded.
-		 * @deprecated use {@link #or} or {@link #addObject} instead.
-		 */
-		@Deprecated
-		boolean add(AnyObjectId objectId, int type);
 
 		/**
 		 * Whether the bitmap has the id set.
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BlobBasedConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BlobBasedConfig.java
index 3ff92dc..e008be3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BlobBasedConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BlobBasedConfig.java
@@ -45,6 +45,8 @@
 
 package org.eclipse.jgit.lib;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.text.MessageFormat;
@@ -76,13 +78,12 @@
 	 * @throws org.eclipse.jgit.errors.ConfigInvalidException
 	 *             the byte array is not a valid configuration format.
 	 */
-	public BlobBasedConfig(Config base, final byte[] blob)
+	public BlobBasedConfig(Config base, byte[] blob)
 			throws ConfigInvalidException {
 		super(base);
 		final String decoded;
 		if (isUtf8(blob)) {
-			decoded = RawParseUtils.decode(RawParseUtils.UTF8_CHARSET,
-					blob, 3, blob.length);
+			decoded = RawParseUtils.decode(CHARSET, blob, 3, blob.length);
 		} else {
 			decoded = RawParseUtils.decode(blob);
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BranchConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BranchConfig.java
index 596da03..be53c4b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/BranchConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/BranchConfig.java
@@ -107,7 +107,7 @@
 	 * @param branchName
 	 *            the short branch name of the section to read
 	 */
-	public BranchConfig(final Config config, String branchName) {
+	public BranchConfig(Config config, String branchName) {
 		this.config = config;
 		this.branchName = branchName;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/CommitBuilder.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/CommitBuilder.java
index 2217fde..59a13f6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/CommitBuilder.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/CommitBuilder.java
@@ -243,7 +243,7 @@
 	 * @param newMessage
 	 *            the commit message. Should not be null.
 	 */
-	public void setMessage(final String newMessage) {
+	public void setMessage(String newMessage) {
 		message = newMessage;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Config.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Config.java
index 4d558c9..0e01cca 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Config.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Config.java
@@ -51,6 +51,8 @@
 
 package org.eclipse.jgit.lib;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -374,7 +376,7 @@
 	}
 
 	@SuppressWarnings("unchecked")
-	private static <T> T[] allValuesOf(final T value) {
+	private static <T> T[] allValuesOf(T value) {
 		try {
 			return (T[]) value.getClass().getMethod("values").invoke(null); //$NON-NLS-1$
 		} catch (Exception err) {
@@ -513,7 +515,7 @@
 	 *         order they are declared by the configuration starting from this
 	 *         instance and progressing through the base.
 	 */
-	public Set<String> getSubsections(final String section) {
+	public Set<String> getSubsections(String section) {
 		return getState().getSubsections(section);
 	}
 
@@ -599,7 +601,7 @@
 	 * @return the parsed object instance, which is cached inside this config.
 	 */
 	@SuppressWarnings("unchecked")
-	public <T> T get(final SectionParser<T> parser) {
+	public <T> T get(SectionParser<T> parser) {
 		final ConfigSnapshot myState = getState();
 		T obj = (T) myState.cache.get(parser);
 		if (obj == null) {
@@ -619,7 +621,7 @@
 	 *            parser used to obtain the configuration object.
 	 * @see #get(SectionParser)
 	 */
-	public void uncache(final SectionParser<?> parser) {
+	public void uncache(SectionParser<?> parser) {
 		state.get().cache.remove(parser);
 	}
 
@@ -1008,7 +1010,7 @@
 	 */
 	public String toText() {
 		final StringBuilder out = new StringBuilder();
-		for (final ConfigLine e : state.get().entryList) {
+		for (ConfigLine e : state.get().entryList) {
 			if (e.prefix != null)
 				out.append(e.prefix);
 			if (e.section != null && e.name == null) {
@@ -1057,11 +1059,11 @@
 	 *             the text supplied is not formatted correctly. No changes were
 	 *             made to {@code this}.
 	 */
-	public void fromText(final String text) throws ConfigInvalidException {
+	public void fromText(String text) throws ConfigInvalidException {
 		state.set(newState(fromTextRecurse(text, 1)));
 	}
 
-	private List<ConfigLine> fromTextRecurse(final String text, int depth)
+	private List<ConfigLine> fromTextRecurse(String text, int depth)
 			throws ConfigInvalidException {
 		if (depth > MAX_DEPTH) {
 			throw new ConfigInvalidException(
@@ -1166,8 +1168,7 @@
 
 		String decoded;
 		if (isUtf8(bytes)) {
-			decoded = RawParseUtils.decode(RawParseUtils.UTF8_CHARSET, bytes, 3,
-					bytes.length);
+			decoded = RawParseUtils.decode(CHARSET, bytes, 3, bytes.length);
 		} else {
 			decoded = RawParseUtils.decode(bytes);
 		}
@@ -1184,7 +1185,7 @@
 				getBaseState());
 	}
 
-	private ConfigSnapshot newState(final List<ConfigLine> entries) {
+	private ConfigSnapshot newState(List<ConfigLine> entries) {
 		return new ConfigSnapshot(Collections.unmodifiableList(entries),
 				getBaseState());
 	}
@@ -1209,7 +1210,7 @@
 				&& bytes[1] == (byte) 0xBB && bytes[2] == (byte) 0xBF;
 	}
 
-	private static String readSectionName(final StringReader in)
+	private static String readSectionName(StringReader in)
 			throws ConfigInvalidException {
 		final StringBuilder name = new StringBuilder();
 		for (;;) {
@@ -1248,7 +1249,7 @@
 		return name.toString();
 	}
 
-	private static String readKeyName(final StringReader in)
+	private static String readKeyName(StringReader in)
 			throws ConfigInvalidException {
 		final StringBuilder name = new StringBuilder();
 		for (;;) {
@@ -1335,7 +1336,7 @@
 		return r.toString();
 	}
 
-	private static String readValue(final StringReader in)
+	private static String readValue(StringReader in)
 			throws ConfigInvalidException {
 		StringBuilder value = new StringBuilder();
 		StringBuilder trailingSpaces = null;
@@ -1451,7 +1452,7 @@
 
 		private int pos;
 
-		StringReader(final String in) {
+		StringReader(String in) {
 			buf = in.toCharArray();
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigLine.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigLine.java
index d5f1d8f..937ba92 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigLine.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ConfigLine.java
@@ -73,7 +73,7 @@
 	/** The text content after entry. */
 	String suffix;
 
-	ConfigLine forValue(final String newValue) {
+	ConfigLine forValue(String newValue) {
 		final ConfigLine e = new ConfigLine();
 		e.prefix = prefix;
 		e.section = section;
@@ -91,12 +91,12 @@
 				&& eqIgnoreCase(name, aKey);
 	}
 
-	boolean match(final String aSection, final String aSubsection) {
+	boolean match(String aSection, String aSubsection) {
 		return eqIgnoreCase(section, aSection)
 				&& eqSameCase(subsection, aSubsection);
 	}
 
-	private static boolean eqIgnoreCase(final String a, final String b) {
+	private static boolean eqIgnoreCase(String a, String b) {
 		if (a == null && b == null)
 			return true;
 		if (a == null || b == null)
@@ -104,7 +104,7 @@
 		return StringUtils.equalsIgnoreCase(a, b);
 	}
 
-	private static boolean eqSameCase(final String a, final String b) {
+	private static boolean eqSameCase(String a, String b) {
 		if (a == null && b == null)
 			return true;
 		if (a == null || b == null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
index 10abd9e..9023bd8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Constants.java
@@ -45,6 +45,8 @@
 
 package org.eclipse.jgit.lib;
 
+import static java.nio.charset.StandardCharsets.UTF_8;
+
 import java.nio.ByteBuffer;
 import java.nio.charset.Charset;
 import java.security.MessageDigest;
@@ -226,10 +228,10 @@
 	public static final byte[] PACK_SIGNATURE = { 'P', 'A', 'C', 'K' };
 
 	/** Native character encoding for commit messages, file names... */
-	public static final String CHARACTER_ENCODING = "UTF-8";
+	public static final Charset CHARSET;
 
 	/** Native character encoding for commit messages, file names... */
-	public static final Charset CHARSET;
+	public static final String CHARACTER_ENCODING;
 
 	/** Default main branch name */
 	public static final String MASTER = "master";
@@ -475,7 +477,7 @@
 	 * @param typeCode the type code, from a pack representation.
 	 * @return the canonical string name of this type.
 	 */
-	public static String typeString(final int typeCode) {
+	public static String typeString(int typeCode) {
 		switch (typeCode) {
 		case OBJ_COMMIT:
 			return TYPE_COMMIT;
@@ -500,7 +502,7 @@
 	 * @param typeCode the type code, from a pack representation.
 	 * @return the canonical ASCII encoded name of this type.
 	 */
-	public static byte[] encodedTypeString(final int typeCode) {
+	public static byte[] encodedTypeString(int typeCode) {
 		switch (typeCode) {
 		case OBJ_COMMIT:
 			return ENCODED_TYPE_COMMIT;
@@ -599,7 +601,7 @@
 	 * @return a decimal representation of the input integer. The returned array
 	 *         is the smallest array that will hold the value.
 	 */
-	public static byte[] encodeASCII(final long s) {
+	public static byte[] encodeASCII(long s) {
 		return encodeASCII(Long.toString(s));
 	}
 
@@ -615,7 +617,7 @@
 	 *             the input string contains one or more characters outside of
 	 *             the 7-bit ASCII character space.
 	 */
-	public static byte[] encodeASCII(final String s) {
+	public static byte[] encodeASCII(String s) {
 		final byte[] r = new byte[s.length()];
 		for (int k = r.length - 1; k >= 0; k--) {
 			final char c = s.charAt(k);
@@ -635,7 +637,7 @@
 	 *         default character encoding (UTF-8).
 	 * @see #CHARACTER_ENCODING
 	 */
-	public static byte[] encode(final String str) {
+	public static byte[] encode(String str) {
 		final ByteBuffer bb = Constants.CHARSET.encode(str);
 		final int len = bb.limit();
 		if (bb.hasArray() && bb.arrayOffset() == 0) {
@@ -652,7 +654,8 @@
 	static {
 		if (OBJECT_ID_LENGTH != newMessageDigest().getDigestLength())
 			throw new LinkageError(JGitText.get().incorrectOBJECT_ID_LENGTH);
-		CHARSET = Charset.forName(CHARACTER_ENCODING);
+		CHARSET = UTF_8;
+		CHARACTER_ENCODING = CHARSET.name();
 	}
 
 	/** name of the file containing the commit msg for a merge commit */
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/CoreConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/CoreConfig.java
index 32a894f..98de3a9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/CoreConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/CoreConfig.java
@@ -166,7 +166,7 @@
 		DOTGITONLY
 	}
 
-	private CoreConfig(final Config rc) {
+	private CoreConfig(Config rc) {
 		compression = rc.getInt(ConfigConstants.CONFIG_CORE_SECTION,
 				ConfigConstants.CONFIG_KEY_COMPRESSION, DEFAULT_COMPRESSION);
 		packIndexVersion = rc.getInt(ConfigConstants.CONFIG_PACK_SECTION,
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
index 68f881d..891c7f2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/DefaultTypedConfigGetter.java
@@ -270,8 +270,8 @@
 		}
 	}
 
-	private static boolean match(final String a, final String... cases) {
-		for (final String b : cases) {
+	private static boolean match(String a, String... cases) {
+		for (String b : cases) {
 			if (b != null && b.equalsIgnoreCase(a)) {
 				return true;
 			}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/FileMode.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/FileMode.java
index 7852371..d4c4d5b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/FileMode.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/FileMode.java
@@ -88,7 +88,7 @@
 	public static final FileMode TREE = new FileMode(TYPE_TREE,
 			Constants.OBJ_TREE) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return (modeBits & TYPE_MASK) == TYPE_TREE;
 		}
 	};
@@ -97,7 +97,7 @@
 	public static final FileMode SYMLINK = new FileMode(TYPE_SYMLINK,
 			Constants.OBJ_BLOB) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return (modeBits & TYPE_MASK) == TYPE_SYMLINK;
 		}
 	};
@@ -106,7 +106,7 @@
 	public static final FileMode REGULAR_FILE = new FileMode(0100644,
 			Constants.OBJ_BLOB) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return (modeBits & TYPE_MASK) == TYPE_FILE && (modeBits & 0111) == 0;
 		}
 	};
@@ -115,7 +115,7 @@
 	public static final FileMode EXECUTABLE_FILE = new FileMode(0100755,
 			Constants.OBJ_BLOB) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return (modeBits & TYPE_MASK) == TYPE_FILE && (modeBits & 0111) != 0;
 		}
 	};
@@ -124,7 +124,7 @@
 	public static final FileMode GITLINK = new FileMode(TYPE_GITLINK,
 			Constants.OBJ_COMMIT) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return (modeBits & TYPE_MASK) == TYPE_GITLINK;
 		}
 	};
@@ -133,7 +133,7 @@
 	public static final FileMode MISSING = new FileMode(TYPE_MISSING,
 			Constants.OBJ_BAD) {
 		@Override
-		public boolean equals(final int modeBits) {
+		public boolean equals(int modeBits) {
 			return modeBits == 0;
 		}
 	};
@@ -145,7 +145,7 @@
 	 *            the mode bits the caller has somehow obtained.
 	 * @return the FileMode instance that represents the given bits.
 	 */
-	public static final FileMode fromBits(final int bits) {
+	public static final FileMode fromBits(int bits) {
 		switch (bits & TYPE_MASK) {
 		case TYPE_MISSING:
 			if (bits == 0)
@@ -165,7 +165,7 @@
 
 		return new FileMode(bits, Constants.OBJ_BAD) {
 			@Override
-			public boolean equals(final int a) {
+			public boolean equals(int a) {
 				return bits == a;
 			}
 		};
@@ -177,7 +177,7 @@
 
 	private final int objectType;
 
-	private FileMode(int mode, final int expType) {
+	private FileMode(int mode, int expType) {
 		modeBits = mode;
 		objectType = expType;
 		if (mode != 0) {
@@ -206,7 +206,7 @@
 	 *            a int.
 	 * @return true if the mode bits represent the same mode as this object
 	 */
-	public abstract boolean equals(final int modebits);
+	public abstract boolean equals(int modebits);
 
 	/**
 	 * Copy this mode as a sequence of octal US-ASCII bytes.
@@ -222,7 +222,7 @@
 	 * @throws java.io.IOException
 	 *             the stream encountered an error during the copy.
 	 */
-	public void copyTo(final OutputStream os) throws IOException {
+	public void copyTo(OutputStream os) throws IOException {
 		os.write(octalBytes);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
index 87086cb..94b9ddc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/IndexDiff.java
@@ -542,10 +542,9 @@
 							JGitText.get().invalidIgnoreParamSubmodule,
 							smw.getPath()), e);
 				}
-				Repository subRepo = smw.getRepository();
-				if (subRepo != null) {
-					String subRepoPath = smw.getPath();
-					try {
+				try (Repository subRepo = smw.getRepository()) {
+					if (subRepo != null) {
+						String subRepoPath = smw.getPath();
 						ObjectId subHead = subRepo.resolve("HEAD"); //$NON-NLS-1$
 						if (subHead != null
 								&& !subHead.equals(smw.getObjectId())) {
@@ -574,8 +573,6 @@
 								recordFileMode(subRepoPath, FileMode.GITLINK);
 							}
 						}
-					} finally {
-						subRepo.close();
 					}
 				}
 			}
@@ -745,7 +742,7 @@
 	 * @param path a {@link java.lang.String} object.
 	 * @return file mode
 	 */
-	public FileMode getIndexMode(final String path) {
+	public FileMode getIndexMode(String path) {
 		final DirCacheEntry entry = dirCache.getEntry(path);
 		return entry != null ? entry.getFileMode() : FileMode.MISSING;
 	}
@@ -759,7 +756,7 @@
 	 *         the given file mode
 	 * @since 3.6
 	 */
-	public Set<String> getPathsWithIndexMode(final FileMode mode) {
+	public Set<String> getPathsWithIndexMode(FileMode mode) {
 		Set<String> paths = fileModes.get(mode);
 		if (paths == null)
 			paths = new HashSet<>();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/InflaterCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/InflaterCache.java
index a97721c..dd0f18e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/InflaterCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/InflaterCache.java
@@ -89,7 +89,7 @@
 	 *            the inflater to return. May be null, in which case this method
 	 *            does nothing.
 	 */
-	public static void release(final Inflater i) {
+	public static void release(Inflater i) {
 		if (i != null) {
 			i.reset();
 			if (releaseImpl(i))
@@ -97,7 +97,7 @@
 		}
 	}
 
-	private static synchronized boolean releaseImpl(final Inflater i) {
+	private static synchronized boolean releaseImpl(Inflater i) {
 		if (openInflaterCount < SZ) {
 			inflaterCache[openInflaterCount++] = i;
 			return false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
index e492af9..8cf0fd0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/MutableObjectId.java
@@ -162,7 +162,7 @@
 	 *            the raw byte buffer to read from. At least 20 bytes must be
 	 *            available within this byte array.
 	 */
-	public void fromRaw(final byte[] bs) {
+	public void fromRaw(byte[] bs) {
 		fromRaw(bs, 0);
 	}
 
@@ -175,7 +175,7 @@
 	 * @param p
 	 *            position to read the first byte of data from.
 	 */
-	public void fromRaw(final byte[] bs, final int p) {
+	public void fromRaw(byte[] bs, int p) {
 		w1 = NB.decodeInt32(bs, p);
 		w2 = NB.decodeInt32(bs, p + 4);
 		w3 = NB.decodeInt32(bs, p + 8);
@@ -190,7 +190,7 @@
 	 *            the raw int buffer to read from. At least 5 integers must be
 	 *            available within this integers array.
 	 */
-	public void fromRaw(final int[] ints) {
+	public void fromRaw(int[] ints) {
 		fromRaw(ints, 0);
 	}
 
@@ -203,7 +203,7 @@
 	 * @param p
 	 *            position to read the first integer of data from.
 	 */
-	public void fromRaw(final int[] ints, final int p) {
+	public void fromRaw(int[] ints, int p) {
 		w1 = ints[p];
 		w2 = ints[p + 1];
 		w3 = ints[p + 2];
@@ -243,7 +243,7 @@
 	 * @param offset
 	 *            position to read the first character from.
 	 */
-	public void fromString(final byte[] buf, final int offset) {
+	public void fromString(byte[] buf, int offset) {
 		fromHexString(buf, offset);
 	}
 
@@ -253,14 +253,14 @@
 	 * @param str
 	 *            the string to read from. Must be 40 characters long.
 	 */
-	public void fromString(final String str) {
+	public void fromString(String str) {
 		if (str.length() != Constants.OBJECT_ID_STRING_LENGTH)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().invalidId, str));
 		fromHexString(Constants.encodeASCII(str), 0);
 	}
 
-	private void fromHexString(final byte[] bs, int p) {
+	private void fromHexString(byte[] bs, int p) {
 		try {
 			w1 = RawParseUtils.parseHexInt32(bs, p);
 			w2 = RawParseUtils.parseHexInt32(bs, p + 8);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java
index 5c14754..d37fb21 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectChecker.java
@@ -1230,7 +1230,7 @@
 	 * @throws org.eclipse.jgit.errors.CorruptObjectException
 	 *             if any error was detected.
 	 */
-	public void checkBlob(final byte[] raw) throws CorruptObjectException {
+	public void checkBlob(byte[] raw) throws CorruptObjectException {
 		// We can always assume the blob is valid.
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectDatabase.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectDatabase.java
index bbef51d..93add5c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectDatabase.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectDatabase.java
@@ -121,8 +121,8 @@
 	 * @throws java.io.IOException
 	 *             the object store cannot be accessed.
 	 */
-	public boolean has(final AnyObjectId objectId) throws IOException {
-		try (final ObjectReader or = newReader()) {
+	public boolean has(AnyObjectId objectId) throws IOException {
+		try (ObjectReader or = newReader()) {
 			return or.has(objectId);
 		}
 	}
@@ -141,7 +141,7 @@
 	 * @throws java.io.IOException
 	 *             the object store cannot be accessed.
 	 */
-	public ObjectLoader open(final AnyObjectId objectId)
+	public ObjectLoader open(AnyObjectId objectId)
 			throws IOException {
 		return open(objectId, ObjectReader.OBJ_ANY);
 	}
@@ -172,7 +172,7 @@
 	public ObjectLoader open(AnyObjectId objectId, int typeHint)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
-		try (final ObjectReader or = newReader()) {
+		try (ObjectReader or = newReader()) {
 			return or.open(objectId, typeHint);
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
index 0e85545..764f890 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectId.java
@@ -86,7 +86,7 @@
 	 *            the string to test.
 	 * @return true if the string can converted into an ObjectId.
 	 */
-	public static final boolean isId(final String id) {
+	public static final boolean isId(String id) {
 		if (id.length() != Constants.OBJECT_ID_STRING_LENGTH)
 			return false;
 		try {
@@ -106,7 +106,7 @@
 	 *            the id to convert. May be null.
 	 * @return the hex string conversion of this id's content.
 	 */
-	public static final String toString(final ObjectId i) {
+	public static final String toString(ObjectId i) {
 		return i != null ? i.name() : ZEROID_STR;
 	}
 
@@ -157,7 +157,7 @@
 	 *            available within this byte array.
 	 * @return the converted object id.
 	 */
-	public static final ObjectId fromRaw(final byte[] bs) {
+	public static final ObjectId fromRaw(byte[] bs) {
 		return fromRaw(bs, 0);
 	}
 
@@ -171,7 +171,7 @@
 	 *            position to read the first byte of data from.
 	 * @return the converted object id.
 	 */
-	public static final ObjectId fromRaw(final byte[] bs, final int p) {
+	public static final ObjectId fromRaw(byte[] bs, int p) {
 		final int a = NB.decodeInt32(bs, p);
 		final int b = NB.decodeInt32(bs, p + 4);
 		final int c = NB.decodeInt32(bs, p + 8);
@@ -188,7 +188,7 @@
 	 *            be available within this int array.
 	 * @return the converted object id.
 	 */
-	public static final ObjectId fromRaw(final int[] is) {
+	public static final ObjectId fromRaw(int[] is) {
 		return fromRaw(is, 0);
 	}
 
@@ -202,7 +202,7 @@
 	 *            position to read the first integer of data from.
 	 * @return the converted object id.
 	 */
-	public static final ObjectId fromRaw(final int[] is, final int p) {
+	public static final ObjectId fromRaw(int[] is, int p) {
 		return new ObjectId(is[p], is[p + 1], is[p + 2], is[p + 3], is[p + 4]);
 	}
 
@@ -216,7 +216,7 @@
 	 *            position to read the first character from.
 	 * @return the converted object id.
 	 */
-	public static final ObjectId fromString(final byte[] buf, final int offset) {
+	public static final ObjectId fromString(byte[] buf, int offset) {
 		return fromHexString(buf, offset);
 	}
 
@@ -227,14 +227,14 @@
 	 *            the string to read from. Must be 40 characters long.
 	 * @return the converted object id.
 	 */
-	public static ObjectId fromString(final String str) {
+	public static ObjectId fromString(String str) {
 		if (str.length() != Constants.OBJECT_ID_STRING_LENGTH) {
 			throw new InvalidObjectIdException(str);
 		}
 		return fromHexString(Constants.encodeASCII(str), 0);
 	}
 
-	private static final ObjectId fromHexString(final byte[] bs, int p) {
+	private static final ObjectId fromHexString(byte[] bs, int p) {
 		try {
 			final int a = RawParseUtils.parseHexInt32(bs, p);
 			final int b = RawParseUtils.parseHexInt32(bs, p + 8);
@@ -281,7 +281,7 @@
 	 * @param src
 	 *            another already parsed ObjectId to copy the value out of.
 	 */
-	protected ObjectId(final AnyObjectId src) {
+	protected ObjectId(AnyObjectId src) {
 		w1 = src.w1;
 		w2 = src.w2;
 		w3 = src.w3;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdOwnerMap.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdOwnerMap.java
index 03a430c..9df5933 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdOwnerMap.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdOwnerMap.java
@@ -134,7 +134,7 @@
 	 * @return the instance mapped to toFind, or null if no mapping exists.
 	 */
 	@SuppressWarnings("unchecked")
-	public V get(final AnyObjectId toFind) {
+	public V get(AnyObjectId toFind) {
 		int h = toFind.w1;
 		V obj = directory[h & mask][h >>> SEGMENT_SHIFT];
 		for (; obj != null; obj = (V) obj.next)
@@ -149,7 +149,7 @@
 	 * Returns true if this map contains the specified object.
 	 */
 	@Override
-	public boolean contains(final AnyObjectId toFind) {
+	public boolean contains(AnyObjectId toFind) {
 		return get(toFind) != null;
 	}
 
@@ -163,7 +163,7 @@
 	 * @param newValue
 	 *            the object to store.
 	 */
-	public <Q extends V> void add(final Q newValue) {
+	public <Q extends V> void add(Q newValue) {
 		if (++size == grow)
 			grow();
 
@@ -194,7 +194,7 @@
 	 *         {@code get(newValue)} first.
 	 */
 	@SuppressWarnings("unchecked")
-	public <Q extends V> V addIfAbsent(final Q newValue) {
+	public <Q extends V> V addIfAbsent(Q newValue) {
 		int h = newValue.w1;
 		V[] table = directory[h & mask];
 		h >>>= SEGMENT_SHIFT;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
index 001aa9c..cd57bda 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectIdSubclassMap.java
@@ -96,7 +96,7 @@
 	 *            the object identifier to find.
 	 * @return the instance mapped to toFind, or null if no mapping exists.
 	 */
-	public V get(final AnyObjectId toFind) {
+	public V get(AnyObjectId toFind) {
 		final int msk = mask;
 		int i = toFind.w1 & msk;
 		final V[] tbl = table;
@@ -116,7 +116,7 @@
 	 * Returns true if this map contains the specified object.
 	 */
 	@Override
-	public boolean contains(final AnyObjectId toFind) {
+	public boolean contains(AnyObjectId toFind) {
 		return get(toFind) != null;
 	}
 
@@ -131,7 +131,7 @@
 	 * @param newValue
 	 *            the object to store.
 	 */
-	public <Q extends V> void add(final Q newValue) {
+	public <Q extends V> void add(Q newValue) {
 		if (++size == grow)
 			grow();
 		insert(newValue);
@@ -155,7 +155,7 @@
 	 *         that would have been returned had the caller used
 	 *         {@code get(newValue)} first.
 	 */
-	public <Q extends V> V addIfAbsent(final Q newValue) {
+	public <Q extends V> V addIfAbsent(Q newValue) {
 		final int msk = mask;
 		int i = newValue.w1 & msk;
 		final V[] tbl = table;
@@ -226,7 +226,7 @@
 		};
 	}
 
-	private void insert(final V newValue) {
+	private void insert(V newValue) {
 		final int msk = mask;
 		int j = newValue.w1 & msk;
 		final V[] tbl = table;
@@ -254,7 +254,7 @@
 	}
 
 	@SuppressWarnings("unchecked")
-	private final V[] createArray(final int sz) {
+	private final V[] createArray(int sz) {
 		return (V[]) new ObjectId[sz];
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectInserter.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectInserter.java
index 40522ba..77fa1b2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectInserter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectInserter.java
@@ -361,7 +361,7 @@
 	 * @throws java.io.IOException
 	 *             the object could not be stored.
 	 */
-	public ObjectId insert(final int type, final byte[] data)
+	public ObjectId insert(int type, byte[] data)
 			throws IOException {
 		return insert(type, data, 0, data.length);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectLoader.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectLoader.java
index 432f5a6..2e52f03 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectLoader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/ObjectLoader.java
@@ -194,8 +194,7 @@
 		if (!isLarge())
 			return getCachedBytes();
 
-		ObjectStream in = openStream();
-		try {
+		try (ObjectStream in = openStream()) {
 			long sz = in.getSize();
 			if (sizeLimit < sz)
 				throw new LargeObjectException.ExceedsLimit(sizeLimit, sz);
@@ -212,8 +211,6 @@
 
 			IO.readFully(in, buf, 0, buf.length);
 			return buf;
-		} finally {
-			in.close();
 		}
 	}
 
@@ -255,8 +252,7 @@
 	public void copyTo(OutputStream out) throws MissingObjectException,
 			IOException {
 		if (isLarge()) {
-			ObjectStream in = openStream();
-			try {
+			try (ObjectStream in = openStream()) {
 				final long sz = in.getSize();
 				byte[] tmp = new byte[8192];
 				long copied = 0;
@@ -269,15 +265,13 @@
 				}
 				if (0 <= in.read())
 					throw new EOFException();
-			} finally {
-				in.close();
 			}
 		} else {
 			out.write(getCachedBytes());
 		}
 	}
 
-	private static byte[] cloneArray(final byte[] data) {
+	private static byte[] cloneArray(byte[] data) {
 		final byte[] copy = new byte[data.length];
 		System.arraycopy(data, 0, copy, 0, data.length);
 		return copy;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/PersonIdent.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/PersonIdent.java
index 18a11f0..c16a2b6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/PersonIdent.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/PersonIdent.java
@@ -167,7 +167,7 @@
 	 *
 	 * @param repo a {@link org.eclipse.jgit.lib.Repository} object.
 	 */
-	public PersonIdent(final Repository repo) {
+	public PersonIdent(Repository repo) {
 		this(repo.getConfig().get(UserConfig.KEY));
 	}
 
@@ -177,7 +177,7 @@
 	 * @param pi
 	 *            Original {@link org.eclipse.jgit.lib.PersonIdent}
 	 */
-	public PersonIdent(final PersonIdent pi) {
+	public PersonIdent(PersonIdent pi) {
 		this(pi.getName(), pi.getEmailAddress());
 	}
 
@@ -190,7 +190,7 @@
 	 * @param aEmailAddress
 	 *            a {@link java.lang.String} object.
 	 */
-	public PersonIdent(final String aName, final String aEmailAddress) {
+	public PersonIdent(String aName, String aEmailAddress) {
 		this(aName, aEmailAddress, SystemReader.getInstance().getCurrentTime());
 	}
 
@@ -221,7 +221,7 @@
 	 * @param tz
 	 *            time zone
 	 */
-	public PersonIdent(final PersonIdent pi, final Date when, final TimeZone tz) {
+	public PersonIdent(PersonIdent pi, Date when, TimeZone tz) {
 		this(pi.getName(), pi.getEmailAddress(), when, tz);
 	}
 
@@ -234,7 +234,7 @@
 	 * @param aWhen
 	 *            local time
 	 */
-	public PersonIdent(final PersonIdent pi, final Date aWhen) {
+	public PersonIdent(PersonIdent pi, Date aWhen) {
 		this(pi.getName(), pi.getEmailAddress(), aWhen.getTime(), pi.tzOffset);
 	}
 
@@ -264,7 +264,7 @@
 	 * @param aTZ
 	 *            time zone
 	 */
-	public PersonIdent(final PersonIdent pi, final long aWhen, final int aTZ) {
+	public PersonIdent(PersonIdent pi, long aWhen, int aTZ) {
 		this(pi.getName(), pi.getEmailAddress(), aWhen, aTZ);
 	}
 
@@ -274,7 +274,7 @@
 				.getTimezone(when));
 	}
 
-	private PersonIdent(final UserConfig config) {
+	private PersonIdent(UserConfig config) {
 		this(config.getCommitterName(), config.getCommitterEmail());
 	}
 
@@ -370,7 +370,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object o) {
+	public boolean equals(Object o) {
 		if (o instanceof PersonIdent) {
 			final PersonIdent p = (PersonIdent) o;
 			return getName().equals(p.getName())
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RebaseTodoFile.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RebaseTodoFile.java
index 06b4b22..3871605 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RebaseTodoFile.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RebaseTodoFile.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.lib;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedOutputStream;
 import java.io.File;
@@ -183,7 +183,7 @@
 			switch (tokenCount) {
 			case 0:
 				String actionToken = new String(buf, tokenBegin,
-						nextSpace - tokenBegin - 1, UTF_8);
+						nextSpace - tokenBegin - 1, CHARSET);
 				tokenBegin = nextSpace;
 				action = RebaseTodoLine.Action.parse(actionToken);
 				if (action == null)
@@ -192,7 +192,7 @@
 			case 1:
 				nextSpace = RawParseUtils.next(buf, tokenBegin, ' ');
 				String commitToken = new String(buf, tokenBegin,
-						nextSpace - tokenBegin - 1, UTF_8);
+						nextSpace - tokenBegin - 1, CHARSET);
 				tokenBegin = nextSpace;
 				commit = AbbreviatedObjectId.fromString(commitToken);
 				break;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Ref.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Ref.java
index 395bb32..b000558 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Ref.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Ref.java
@@ -105,7 +105,7 @@
 
 		private final boolean packed;
 
-		private Storage(final boolean l, final boolean p) {
+		private Storage(boolean l, boolean p) {
 			loose = l;
 			packed = p;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefComparator.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefComparator.java
index 43d2f37..8bcac00 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefComparator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefComparator.java
@@ -62,7 +62,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int compare(final Ref o1, final Ref o2) {
+	public int compare(Ref o1, Ref o2) {
 		return compareTo(o1, o2);
 	}
 
@@ -73,7 +73,7 @@
 	 *            collection to be sorted
 	 * @return sorted collection of refs
 	 */
-	public static Collection<Ref> sort(final Collection<Ref> refs) {
+	public static Collection<Ref> sort(Collection<Ref> refs) {
 		final List<Ref> r = new ArrayList<>(refs);
 		Collections.sort(r, INSTANCE);
 		return r;
@@ -101,7 +101,7 @@
 	 *            the other reference instance.
 	 * @return standard Comparator result of &lt; 0, 0, &gt; 0.
 	 */
-	public static int compareTo(final Ref o1, final Ref o2) {
+	public static int compareTo(Ref o1, Ref o2) {
 		return o1.getName().compareTo(o2.getName());
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefDatabase.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefDatabase.java
index 557bdb9..3170787 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefDatabase.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefDatabase.java
@@ -43,6 +43,8 @@
 
 package org.eclipse.jgit.lib;
 
+import static java.util.stream.Collectors.toList;
+
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -89,7 +91,10 @@
 	 */
 	public static final int MAX_SYMBOLIC_REF_DEPTH = 5;
 
-	/** Magic value for {@link #getRefs(String)} to return all references. */
+	/**
+	 * Magic value for {@link #getRefsByPrefix(String)} to return all
+	 * references.
+	 */
 	public static final String ALL = "";//$NON-NLS-1$
 
 	/**
@@ -332,6 +337,29 @@
 	}
 
 	/**
+	 * Returns all refs.
+	 * <p>
+	 * This includes {@code HEAD}, branches under {@code ref/heads/}, tags
+	 * under {@code refs/tags/}, etc. It does not include pseudo-refs like
+	 * {@code FETCH_HEAD}; for those, see {@link #getAdditionalRefs}.
+	 * <p>
+	 * Symbolic references to a non-existent ref (for example,
+	 * {@code HEAD} pointing to a branch yet to be born) are not included.
+	 * <p>
+	 * Callers interested in only a portion of the ref hierarchy can call
+	 * {@link #getRefsByPrefix} instead.
+	 *
+	 * @return immutable list of all refs.
+	 * @throws java.io.IOException
+	 *             the reference space cannot be accessed.
+	 * @since 5.0
+	 */
+	@NonNull
+	public List<Ref> getRefs() throws IOException {
+		return getRefsByPrefix(ALL);
+	}
+
+	/**
 	 * Get a section of the reference namespace.
 	 *
 	 * @param prefix
@@ -343,16 +371,73 @@
 	 *         of each key. The map can be an unsorted map.
 	 * @throws java.io.IOException
 	 *             the reference space cannot be accessed.
+	 * @deprecated use {@link #getRefsByPrefix} instead
 	 */
 	@NonNull
+	@Deprecated
 	public abstract Map<String, Ref> getRefs(String prefix) throws IOException;
 
 	/**
+	 * Returns refs whose names start with a given prefix.
+	 * <p>
+	 * The default implementation uses {@link #getRefs(String)}. Implementors of
+	 * {@link RefDatabase} should override this method directly if a better
+	 * implementation is possible.
+	 *
+	 * @param prefix string that names of refs should start with; may be
+	 *             empty (to return all refs).
+	 * @return immutable list of refs whose names start with {@code prefix}.
+	 * @throws java.io.IOException
+	 *             the reference space cannot be accessed.
+	 * @since 5.0
+	 */
+	@NonNull
+	public List<Ref> getRefsByPrefix(String prefix) throws IOException {
+		Map<String, Ref> coarseRefs;
+		int lastSlash = prefix.lastIndexOf('/');
+		if (lastSlash == -1) {
+			coarseRefs = getRefs(ALL);
+		} else {
+			coarseRefs = getRefs(prefix.substring(0, lastSlash + 1));
+		}
+
+		List<Ref> result;
+		if (lastSlash + 1 == prefix.length()) {
+			result = coarseRefs.values().stream().collect(toList());
+		} else {
+			String p = prefix.substring(lastSlash + 1);
+			result = coarseRefs.entrySet().stream()
+					.filter(e -> e.getKey().startsWith(p))
+					.map(e -> e.getValue())
+					.collect(toList());
+		}
+		return Collections.unmodifiableList(result);
+	}
+
+	/**
+	 * Check if any refs exist in the ref database.
+	 * <p>
+	 * This uses the same definition of refs as {@link #getRefs()}. In
+	 * particular, returns {@code false} in a new repository with no refs
+	 * under {@code refs/} and {@code HEAD} pointing to a branch yet to be
+	 * born, and returns {@code true} in a repository with no refs under
+	 * {@code refs/} and a detached {@code HEAD} pointing to history.
+	 *
+	 * @return true if the database has refs.
+	 * @throws java.io.IOException
+	 *             the reference space cannot be accessed.
+	 * @since 5.0
+	 */
+	public boolean hasRefs() throws IOException {
+		return !getRefs().isEmpty();
+	}
+
+	/**
 	 * Get the additional reference-like entities from the repository.
 	 * <p>
 	 * The result list includes non-ref items such as MERGE_HEAD and
 	 * FETCH_RESULT cast to be refs. The names of these refs are not returned by
-	 * <code>getRefs(ALL)</code> but are accepted by {@link #getRef(String)}
+	 * <code>getRefs()</code> but are accepted by {@link #getRef(String)}
 	 * and {@link #exactRef(String)}.
 	 *
 	 * @return a list of additional refs
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefRename.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefRename.java
index 3d22bb0..a05daa0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefRename.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefRename.java
@@ -73,7 +73,7 @@
 	 * @param dst
 	 *            operation to create (or overwrite) the destination.
 	 */
-	protected RefRename(final RefUpdate src, final RefUpdate dst) {
+	protected RefRename(RefUpdate src, RefUpdate dst) {
 		source = src;
 		destination = dst;
 
@@ -107,7 +107,7 @@
 	 *            automatically determined based on the repository
 	 *            configuration.
 	 */
-	public void setRefLogIdent(final PersonIdent pi) {
+	public void setRefLogIdent(PersonIdent pi) {
 		destination.setRefLogIdent(pi);
 	}
 
@@ -127,7 +127,7 @@
 	 * @param msg
 	 *            the message to describe this change.
 	 */
-	public void setRefLogMessage(final String msg) {
+	public void setRefLogMessage(String msg) {
 		if (msg == null)
 			disableRefLog();
 		else
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefUpdate.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefUpdate.java
index 06a7576..5cd593e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefUpdate.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefUpdate.java
@@ -227,7 +227,7 @@
 	 * @param ref
 	 *            the reference that will be updated by this operation.
 	 */
-	protected RefUpdate(final Ref ref) {
+	protected RefUpdate(Ref ref) {
 		this.ref = ref;
 		oldValue = ref.getObjectId();
 		refLogMessage = ""; //$NON-NLS-1$
@@ -350,7 +350,7 @@
 	 * @param id
 	 *            the new value.
 	 */
-	public void setNewObjectId(final AnyObjectId id) {
+	public void setNewObjectId(AnyObjectId id) {
 		newValue = id.copy();
 	}
 
@@ -377,7 +377,7 @@
 	 *            Use {@link org.eclipse.jgit.lib.ObjectId#zeroId()} to indicate
 	 *            expectation of a non-existant ref.
 	 */
-	public void setExpectedOldObjectId(final AnyObjectId id) {
+	public void setExpectedOldObjectId(AnyObjectId id) {
 		expValue = id != null ? id.toObjectId() : null;
 	}
 
@@ -396,7 +396,7 @@
 	 * @param b
 	 *            true if this update should ignore merge tests.
 	 */
-	public void setForceUpdate(final boolean b) {
+	public void setForceUpdate(boolean b) {
 		force = b;
 	}
 
@@ -421,7 +421,7 @@
 	 *            automatically determined based on the repository
 	 *            configuration.
 	 */
-	public void setRefLogIdent(final PersonIdent pi) {
+	public void setRefLogIdent(PersonIdent pi) {
 		refLogIdent = pi;
 	}
 
@@ -461,7 +461,7 @@
 	 *            forced-update) should be appended to the user supplied
 	 *            message.
 	 */
-	public void setRefLogMessage(final String msg, final boolean appendStatus) {
+	public void setRefLogMessage(String msg, boolean appendStatus) {
 		if (msg == null && !appendStatus)
 			disableRefLog();
 		else if (msg == null && appendStatus) {
@@ -615,7 +615,7 @@
 	 * @throws java.io.IOException
 	 *             an unexpected IO error occurred while writing changes.
 	 */
-	public Result update(final RevWalk walk) throws IOException {
+	public Result update(RevWalk walk) throws IOException {
 		requireCanDoUpdate();
 		try {
 			return result = updateImpl(walk, new Store() {
@@ -659,7 +659,7 @@
 	 * @return the result status of the delete.
 	 * @throws java.io.IOException
 	 */
-	public Result delete(final RevWalk walk) throws IOException {
+	public Result delete(RevWalk walk) throws IOException {
 		final String myName = detachingSymbolicRef
 				? getRef().getName()
 				: getRef().getLeaf().getName();
@@ -731,7 +731,7 @@
 		}
 	}
 
-	private Result updateImpl(final RevWalk walk, final Store store)
+	private Result updateImpl(RevWalk walk, Store store)
 			throws IOException {
 		RevObject newObj;
 		RevObject oldObj;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefWriter.java
index 90a0350..71ee963 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RefWriter.java
@@ -116,7 +116,7 @@
 	public void writeInfoRefs() throws IOException {
 		final StringWriter w = new StringWriter();
 		final char[] tmp = new char[Constants.OBJECT_ID_STRING_LENGTH];
-		for (final Ref r : refs) {
+		for (Ref r : refs) {
 			if (Constants.HEAD.equals(r.getName())) {
 				// Historically HEAD has never been published through
 				// the INFO_REFS file. This is a mistake, but its the
@@ -161,7 +161,7 @@
 	 */
 	public void writePackedRefs() throws IOException {
 		boolean peeled = false;
-		for (final Ref r : refs) {
+		for (Ref r : refs) {
 			if (r.getStorage().isPacked() && r.isPeeled()) {
 				peeled = true;
 				break;
@@ -177,7 +177,7 @@
 		}
 
 		final char[] tmp = new char[Constants.OBJECT_ID_STRING_LENGTH];
-		for (final Ref r : refs) {
+		for (Ref r : refs) {
 			if (r.getStorage() != Ref.Storage.PACKED)
 				continue;
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
index db5cad0..29cc19c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/Repository.java
@@ -164,7 +164,7 @@
 	 * @param options
 	 *            options to configure the repository.
 	 */
-	protected Repository(final BaseRepositoryBuilder options) {
+	protected Repository(BaseRepositoryBuilder options) {
 		gitDir = options.getGitDir();
 		fs = options.getFS();
 		workTree = options.getWorkTree();
@@ -344,7 +344,7 @@
 	 *             the object store cannot be accessed.
 	 */
 	@NonNull
-	public ObjectLoader open(final AnyObjectId objectId)
+	public ObjectLoader open(AnyObjectId objectId)
 			throws MissingObjectException, IOException {
 		return getObjectDatabase().open(objectId);
 	}
@@ -392,7 +392,7 @@
 	 *             to the base ref, as the symbolic ref could not be read.
 	 */
 	@NonNull
-	public RefUpdate updateRef(final String ref) throws IOException {
+	public RefUpdate updateRef(String ref) throws IOException {
 		return updateRef(ref, false);
 	}
 
@@ -411,7 +411,7 @@
 	 *             to the base ref, as the symbolic ref could not be read.
 	 */
 	@NonNull
-	public RefUpdate updateRef(final String ref, final boolean detach) throws IOException {
+	public RefUpdate updateRef(String ref, boolean detach) throws IOException {
 		return getRefDatabase().newUpdate(ref, detach);
 	}
 
@@ -427,7 +427,7 @@
 	 *             the rename could not be performed.
 	 */
 	@NonNull
-	public RefRename renameRef(final String fromRef, final String toRef) throws IOException {
+	public RefRename renameRef(String fromRef, String toRef) throws IOException {
 		return getRefDatabase().newRename(fromRef, toRef);
 	}
 
@@ -482,13 +482,13 @@
 	 *             on serious errors
 	 */
 	@Nullable
-	public ObjectId resolve(final String revstr)
+	public ObjectId resolve(String revstr)
 			throws AmbiguousObjectException, IncorrectObjectTypeException,
 			RevisionSyntaxException, IOException {
 		try (RevWalk rw = new RevWalk(this)) {
 			Object resolved = resolve(rw, revstr);
 			if (resolved instanceof String) {
-				final Ref ref = getRef((String)resolved);
+				final Ref ref = findRef((String) resolved);
 				return ref != null ? ref.getLeaf().getObjectId() : null;
 			} else {
 				return (ObjectId) resolved;
@@ -509,7 +509,7 @@
 	 * @throws java.io.IOException
 	 */
 	@Nullable
-	public String simplify(final String revstr)
+	public String simplify(String revstr)
 			throws AmbiguousObjectException, IOException {
 		try (RevWalk rw = new RevWalk(this)) {
 			Object resolved = resolve(rw, revstr);
@@ -523,7 +523,7 @@
 	}
 
 	@Nullable
-	private Object resolve(final RevWalk rw, final String revstr)
+	private Object resolve(RevWalk rw, String revstr)
 			throws IOException {
 		char[] revChars = revstr.toCharArray();
 		RevObject rev = null;
@@ -688,6 +688,8 @@
 			case '@':
 				if (rev != null)
 					throw new RevisionSyntaxException(revstr);
+				if (i + 1 == revChars.length)
+					continue;
 				if (i + 1 < revChars.length && revChars[i + 1] != '{')
 					continue;
 				int m;
@@ -711,7 +713,7 @@
 									.format(JGitText.get().invalidRefName,
 											name),
 									revstr);
-						Ref ref = getRef(name);
+						Ref ref = findRef(name);
 						name = null;
 						if (ref == null)
 							return null;
@@ -764,7 +766,7 @@
 									.format(JGitText.get().invalidRefName,
 											name),
 									revstr);
-						Ref ref = getRef(name);
+						Ref ref = findRef(name);
 						name = null;
 						if (ref == null)
 							return null;
@@ -815,7 +817,7 @@
 			throw new RevisionSyntaxException(
 					MessageFormat.format(JGitText.get().invalidRefName, name),
 					revstr);
-		if (getRef(name) != null)
+		if (findRef(name) != null)
 			return name;
 		return resolveSimple(name);
 	}
@@ -841,7 +843,7 @@
 	}
 
 	@Nullable
-	private ObjectId resolveSimple(final String revstr) throws IOException {
+	private ObjectId resolveSimple(String revstr) throws IOException {
 		if (ObjectId.isId(revstr))
 			return ObjectId.fromString(revstr);
 
@@ -911,7 +913,7 @@
 	}
 
 	@Nullable
-	private ObjectId resolveAbbreviation(final String revstr) throws IOException,
+	private ObjectId resolveAbbreviation(String revstr) throws IOException,
 			AmbiguousObjectException {
 		AbbreviatedObjectId id = AbbreviatedObjectId.fromString(revstr);
 		try (ObjectReader reader = newObjectReader()) {
@@ -1059,24 +1061,6 @@
 	 * Get a ref by name.
 	 *
 	 * @param name
-	 *            the name of the ref to lookup. May be a short-hand form, e.g.
-	 *            "master" which is is automatically expanded to
-	 *            "refs/heads/master" if "refs/heads/master" already exists.
-	 * @return the Ref with the given name, or {@code null} if it does not exist
-	 * @throws java.io.IOException
-	 * @deprecated Use {@link #exactRef(String)} or {@link #findRef(String)}
-	 * instead.
-	 */
-	@Deprecated
-	@Nullable
-	public Ref getRef(final String name) throws IOException {
-		return findRef(name);
-	}
-
-	/**
-	 * Get a ref by name.
-	 *
-	 * @param name
 	 *            the name of the ref to lookup. Must not be a short-hand
 	 *            form; e.g., "master" is not automatically expanded to
 	 *            "refs/heads/master".
@@ -1085,7 +1069,7 @@
 	 * @since 4.2
 	 */
 	@Nullable
-	public Ref exactRef(String name) throws IOException {
+	public final Ref exactRef(String name) throws IOException {
 		return getRefDatabase().exactRef(name);
 	}
 
@@ -1101,7 +1085,7 @@
 	 * @since 4.2
 	 */
 	@Nullable
-	public Ref findRef(String name) throws IOException {
+	public final Ref findRef(String name) throws IOException {
 		return getRefDatabase().getRef(name);
 	}
 
@@ -1126,7 +1110,9 @@
 	 * @return mutable map of all tags; key is short tag name ("v1.0") and value
 	 *         of the entry contains the ref with the full tag name
 	 *         ("refs/tags/v1.0").
+	 * @deprecated use {@code getRefDatabase().getRefsByPrefix(R_TAGS)} instead
 	 */
+	@Deprecated
 	@NonNull
 	public Map<String, Ref> getTags() {
 		try {
@@ -1149,9 +1135,11 @@
 	 *         new Ref object representing the same data as Ref, but isPeeled()
 	 *         will be true and getPeeledObjectId will contain the peeled object
 	 *         (or null).
+	 * @deprecated use {@code getRefDatabase().peel(ref)} instead.
 	 */
+	@Deprecated
 	@NonNull
-	public Ref peel(final Ref ref) {
+	public Ref peel(Ref ref) {
 		try {
 			return getRefDatabase().peel(ref);
 		} catch (IOException e) {
@@ -1285,7 +1273,7 @@
 		IndexChangedListener l = new IndexChangedListener() {
 			@Override
 			public void onIndexChanged(IndexChangedEvent event) {
-				notifyIndexChanged();
+				notifyIndexChanged(true);
 			}
 		};
 		return DirCache.lock(this, l);
@@ -1378,7 +1366,7 @@
 	 * @param refName a {@link java.lang.String} object.
 	 * @return true if refName is a valid ref name
 	 */
-	public static boolean isValidRefName(final String refName) {
+	public static boolean isValidRefName(String refName) {
 		final int len = refName.length();
 		if (len == 0) {
 			return false;
@@ -1580,16 +1568,22 @@
 	}
 
 	/**
-	 * Force a scan for changed refs.
+	 * Force a scan for changed refs. Fires an IndexChangedEvent(false) if
+	 * changes are detected.
 	 *
 	 * @throws java.io.IOException
 	 */
 	public abstract void scanForRepoChanges() throws IOException;
 
 	/**
-	 * Notify that the index changed
+	 * Notify that the index changed by firing an IndexChangedEvent.
+	 *
+	 * @param internal
+	 *                     {@code true} if the index was changed by the same
+	 *                     JGit process
+	 * @since 5.0
 	 */
-	public abstract void notifyIndexChanged();
+	public abstract void notifyIndexChanged(boolean internal);
 
 	/**
 	 * Get a shortened more user friendly ref name
@@ -1968,11 +1962,8 @@
 
 	private void writeCommitMsg(File msgFile, String msg) throws IOException {
 		if (msg != null) {
-			FileOutputStream fos = new FileOutputStream(msgFile);
-			try {
+			try (FileOutputStream fos = new FileOutputStream(msgFile)) {
 				fos.write(msg.getBytes(Constants.CHARACTER_ENCODING));
-			} finally {
-				fos.close();
 			}
 		} else {
 			FileUtils.delete(msgFile, FileUtils.SKIP_MISSING);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java
index ce7ce8c..400342b1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/RepositoryCache.java
@@ -88,7 +88,7 @@
 	 * @throws org.eclipse.jgit.errors.RepositoryNotFoundException
 	 *             there is no repository at the given location.
 	 */
-	public static Repository open(final Key location) throws IOException,
+	public static Repository open(Key location) throws IOException,
 			RepositoryNotFoundException {
 		return open(location, true);
 	}
@@ -115,7 +115,7 @@
 	 *             There is no repository at the given location, only thrown if
 	 *             {@code mustExist} is true.
 	 */
-	public static Repository open(final Key location, final boolean mustExist)
+	public static Repository open(Key location, boolean mustExist)
 			throws IOException {
 		return cache.openRepository(location, mustExist);
 	}
@@ -135,7 +135,7 @@
 	 * @param db
 	 *            repository to register.
 	 */
-	public static void register(final Repository db) {
+	public static void register(Repository db) {
 		if (db.getDirectory() != null) {
 			FileKey key = FileKey.exact(db.getDirectory(), db.getFS());
 			cache.registerRepository(key, db);
@@ -151,7 +151,7 @@
 	 * @param db
 	 *            repository to unregister.
 	 */
-	public static void close(@NonNull final Repository db) {
+	public static void close(@NonNull Repository db) {
 		if (db.getDirectory() != null) {
 			FileKey key = FileKey.exact(db.getDirectory(), db.getFS());
 			cache.unregisterAndCloseRepository(key);
@@ -170,7 +170,7 @@
 	 *            repository to unregister.
 	 * @since 4.3
 	 */
-	public static void unregister(final Repository db) {
+	public static void unregister(Repository db) {
 		if (db.getDirectory() != null) {
 			unregister(FileKey.exact(db.getDirectory(), db.getFS()));
 		}
@@ -287,13 +287,13 @@
 		return db;
 	}
 
-	private void registerRepository(final Key location, final Repository db) {
-		Repository oldDb = cacheMap.put(location, db);
-		if (oldDb != null)
-			oldDb.close();
+	private void registerRepository(Key location, Repository db) {
+		try (Repository oldDb = cacheMap.put(location, db)) {
+			// oldDb is auto-closed
+		}
 	}
 
-	private Repository unregisterRepository(final Key location) {
+	private Repository unregisterRepository(Key location) {
 		return cacheMap.remove(location);
 	}
 
@@ -302,7 +302,7 @@
 			&& (System.currentTimeMillis() - db.closedAt.get() > expireAfter);
 	}
 
-	private void unregisterAndCloseRepository(final Key location) {
+	private void unregisterAndCloseRepository(Key location) {
 		synchronized (lockFor(location)) {
 			Repository oldDb = unregisterRepository(location);
 			if (oldDb != null) {
@@ -329,7 +329,7 @@
 		}
 	}
 
-	private Lock lockFor(final Key location) {
+	private Lock lockFor(Key location) {
 		return openLocks[(location.hashCode() >>> 1) % openLocks.length];
 	}
 
@@ -383,7 +383,7 @@
 		 * @return a key for the given directory.
 		 * @see #lenient(File, FS)
 		 */
-		public static FileKey exact(final File directory, FS fs) {
+		public static FileKey exact(File directory, FS fs) {
 			return new FileKey(directory, fs);
 		}
 
@@ -406,7 +406,7 @@
 		 * @return a key for the given directory.
 		 * @see #exact(File, FS)
 		 */
-		public static FileKey lenient(final File directory, FS fs) {
+		public static FileKey lenient(File directory, FS fs) {
 			final File gitdir = resolve(directory, fs);
 			return new FileKey(gitdir != null ? gitdir : directory, fs);
 		}
@@ -421,12 +421,12 @@
 		 *            the file system abstraction which will be necessary to
 		 *            perform certain file system operations.
 		 */
-		protected FileKey(final File directory, FS fs) {
+		protected FileKey(File directory, FS fs) {
 			path = canonical(directory);
 			this.fs = fs;
 		}
 
-		private static File canonical(final File path) {
+		private static File canonical(File path) {
 			try {
 				return path.getCanonicalFile();
 			} catch (IOException e) {
@@ -440,7 +440,7 @@
 		}
 
 		@Override
-		public Repository open(final boolean mustExist) throws IOException {
+		public Repository open(boolean mustExist) throws IOException {
 			if (mustExist && !isGitRepository(path, fs))
 				throw new RepositoryNotFoundException(path);
 			return new FileRepository(path);
@@ -452,7 +452,7 @@
 		}
 
 		@Override
-		public boolean equals(final Object o) {
+		public boolean equals(Object o) {
 			return o instanceof FileKey && path.equals(((FileKey) o).path);
 		}
 
@@ -476,19 +476,19 @@
 		 *         it doesn't look enough like a Git directory to really be a
 		 *         Git directory.
 		 */
-		public static boolean isGitRepository(final File dir, FS fs) {
+		public static boolean isGitRepository(File dir, FS fs) {
 			return fs.resolve(dir, "objects").exists() //$NON-NLS-1$
 					&& fs.resolve(dir, "refs").exists() //$NON-NLS-1$
 					&& isValidHead(new File(dir, Constants.HEAD));
 		}
 
-		private static boolean isValidHead(final File head) {
+		private static boolean isValidHead(File head) {
 			final String ref = readFirstLine(head);
 			return ref != null
 					&& (ref.startsWith("ref: refs/") || ObjectId.isId(ref)); //$NON-NLS-1$
 		}
 
-		private static String readFirstLine(final File head) {
+		private static String readFirstLine(File head) {
 			try {
 				final byte[] buf = IO.readFully(head, 4096);
 				int n = buf.length;
@@ -521,7 +521,7 @@
 		 * @return the actual directory location if a better match is found;
 		 *         null if there is no suitable match.
 		 */
-		public static File resolve(final File directory, FS fs) {
+		public static File resolve(File directory, FS fs) {
 			if (isGitRepository(directory, fs))
 				return directory;
 			if (isGitRepository(new File(directory, Constants.DOT_GIT), fs))
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/TagBuilder.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TagBuilder.java
index 32ef504..bd03165 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/TagBuilder.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TagBuilder.java
@@ -168,7 +168,7 @@
 	 * @param newMessage
 	 *            the tag's message.
 	 */
-	public void setMessage(final String newMessage) {
+	public void setMessage(String newMessage) {
 		message = newMessage;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/TextProgressMonitor.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TextProgressMonitor.java
index 936ce3d..2f759e5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/TextProgressMonitor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/TextProgressMonitor.java
@@ -44,7 +44,7 @@
 
 package org.eclipse.jgit.lib;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.IOException;
 import java.io.OutputStreamWriter;
@@ -63,7 +63,7 @@
 	 * Initialize a new progress monitor.
 	 */
 	public TextProgressMonitor() {
-		this(new PrintWriter(new OutputStreamWriter(System.err, UTF_8)));
+		this(new PrintWriter(new OutputStreamWriter(System.err, CHARSET)));
 	}
 
 	/**
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/lib/UserConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/lib/UserConfig.java
index 1a3c6f6..bfb5e2f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/lib/UserConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/lib/UserConfig.java
@@ -71,7 +71,7 @@
 
 	private boolean isCommitterEmailImplicit;
 
-	private UserConfig(final Config rc) {
+	private UserConfig(Config rc) {
 		authorName = getNameInternal(rc, Constants.GIT_AUTHOR_NAME_KEY);
 		if (authorName == null) {
 			authorName = getDefaultUserName();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeStrategy.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeStrategy.java
index 520ea6e..98a706c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeStrategy.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/MergeStrategy.java
@@ -100,7 +100,7 @@
 	 * @throws java.lang.IllegalArgumentException
 	 *             a strategy by the same name has already been registered.
 	 */
-	public static void register(final MergeStrategy imp) {
+	public static void register(MergeStrategy imp) {
 		register(imp.getName(), imp);
 	}
 
@@ -129,7 +129,7 @@
 	 *            name of the strategy to locate.
 	 * @return the strategy instance; null if no strategy matches the name.
 	 */
-	public static synchronized MergeStrategy get(final String name) {
+	public static synchronized MergeStrategy get(String name) {
 		return STRATEGIES.get(name);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/Merger.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/Merger.java
index cd19d69..25eb1af 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/Merger.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/Merger.java
@@ -113,7 +113,7 @@
 	 * @param local
 	 *            the repository this merger will read and write data on.
 	 */
-	protected Merger(final Repository local) {
+	protected Merger(Repository local) {
 		if (local == null) {
 			throw new NullPointerException(JGitText.get().repositoryIsRequired);
 		}
@@ -215,7 +215,7 @@
 	 *             one or more sources could not be read, or outputs could not
 	 *             be written to the Repository.
 	 */
-	public boolean merge(final AnyObjectId... tips) throws IOException {
+	public boolean merge(AnyObjectId... tips) throws IOException {
 		return merge(true, tips);
 	}
 
@@ -243,7 +243,7 @@
 	 *             one or more sources could not be read, or outputs could not
 	 *             be written to the Repository.
 	 */
-	public boolean merge(final boolean flush, final AnyObjectId... tips)
+	public boolean merge(boolean flush, AnyObjectId... tips)
 			throws IOException {
 		sourceObjects = new RevObject[tips.length];
 		for (int i = 0; i < tips.length; i++)
@@ -328,7 +328,7 @@
 	 * @throws java.io.IOException
 	 *             the tree object is not found or cannot be read.
 	 */
-	protected AbstractTreeIterator openTree(final AnyObjectId treeId)
+	protected AbstractTreeIterator openTree(AnyObjectId treeId)
 			throws IncorrectObjectTypeException, IOException {
 		return new CanonicalTreeParser(null, reader, treeId);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/ResolveMerger.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/ResolveMerger.java
old mode 100755
new mode 100644
index 6f7a702..da6a3da
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/ResolveMerger.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/ResolveMerger.java
@@ -516,61 +516,6 @@
 	 * @param ignoreConflicts
 	 *            see
 	 *            {@link org.eclipse.jgit.merge.ResolveMerger#mergeTrees(AbstractTreeIterator, RevTree, RevTree, boolean)}
-	 * @return <code>false</code> if the merge will fail because the index entry
-	 *         didn't match ours or the working-dir file was dirty and a
-	 *         conflict occurred
-	 * @throws org.eclipse.jgit.errors.MissingObjectException
-	 * @throws org.eclipse.jgit.errors.IncorrectObjectTypeException
-	 * @throws org.eclipse.jgit.errors.CorruptObjectException
-	 * @throws java.io.IOException
-	 * @since 3.5
-	 */
-	@Deprecated
-	protected boolean processEntry(CanonicalTreeParser base,
-			CanonicalTreeParser ours, CanonicalTreeParser theirs,
-			DirCacheBuildIterator index, WorkingTreeIterator work,
-			boolean ignoreConflicts) throws MissingObjectException,
-			IncorrectObjectTypeException, CorruptObjectException, IOException {
-		return processEntry(base, ours, theirs, index, work, ignoreConflicts,
-				null);
-	}
-
-	/**
-	 * Processes one path and tries to merge taking git attributes in account.
-	 * This method will do all trivial (not content) merges and will also detect
-	 * if a merge will fail. The merge will fail when one of the following is
-	 * true
-	 * <ul>
-	 * <li>the index entry does not match the entry in ours. When merging one
-	 * branch into the current HEAD, ours will point to HEAD and theirs will
-	 * point to the other branch. It is assumed that the index matches the HEAD
-	 * because it will only not match HEAD if it was populated before the merge
-	 * operation. But the merge commit should not accidentally contain
-	 * modifications done before the merge. Check the <a href=
-	 * "http://www.kernel.org/pub/software/scm/git/docs/git-read-tree.html#_3_way_merge"
-	 * >git read-tree</a> documentation for further explanations.</li>
-	 * <li>A conflict was detected and the working-tree file is dirty. When a
-	 * conflict is detected the content-merge algorithm will try to write a
-	 * merged version into the working-tree. If the file is dirty we would
-	 * override unsaved data.</li>
-	 * </ul>
-	 *
-	 * @param base
-	 *            the common base for ours and theirs
-	 * @param ours
-	 *            the ours side of the merge. When merging a branch into the
-	 *            HEAD ours will point to HEAD
-	 * @param theirs
-	 *            the theirs side of the merge. When merging a branch into the
-	 *            current HEAD theirs will point to the branch which is merged
-	 *            into HEAD.
-	 * @param index
-	 *            the index entry
-	 * @param work
-	 *            the file in the working tree
-	 * @param ignoreConflicts
-	 *            see
-	 *            {@link org.eclipse.jgit.merge.ResolveMerger#mergeTrees(AbstractTreeIterator, RevTree, RevTree, boolean)}
 	 * @param attributes
 	 *            the attributes defined for this entry
 	 * @return <code>false</code> if the merge will fail because the index entry
@@ -1050,11 +995,11 @@
 		return RawText.load(loader, threshold);
 	}
 
-	private static boolean nonTree(final int mode) {
+	private static boolean nonTree(int mode) {
 		return mode != 0 && !FileMode.TREE.equals(mode);
 	}
 
-	private static boolean isGitLink(final int mode) {
+	private static boolean isGitLink(int mode) {
 		return FileMode.GITLINK.equals(mode);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategyOneSided.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategyOneSided.java
index 979685c..6e2e2aa 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategyOneSided.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategyOneSided.java
@@ -71,7 +71,7 @@
 	 * @param index
 	 *            the position of the input tree to accept as the result.
 	 */
-	protected StrategyOneSided(final String name, final int index) {
+	protected StrategyOneSided(String name, int index) {
 		strategyName = name;
 		treeIndex = index;
 	}
@@ -84,31 +84,31 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public Merger newMerger(final Repository db) {
+	public Merger newMerger(Repository db) {
 		return new OneSide(db, treeIndex);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public Merger newMerger(final Repository db, boolean inCore) {
+	public Merger newMerger(Repository db, boolean inCore) {
 		return new OneSide(db, treeIndex);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public Merger newMerger(final ObjectInserter inserter, final Config config) {
+	public Merger newMerger(ObjectInserter inserter, Config config) {
 		return new OneSide(inserter, treeIndex);
 	}
 
 	static class OneSide extends Merger {
 		private final int treeIndex;
 
-		protected OneSide(final Repository local, final int index) {
+		protected OneSide(Repository local, int index) {
 			super(local);
 			treeIndex = index;
 		}
 
-		protected OneSide(final ObjectInserter inserter, final int index) {
+		protected OneSide(ObjectInserter inserter, int index) {
 			super(inserter);
 			treeIndex = index;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategySimpleTwoWayInCore.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategySimpleTwoWayInCore.java
index 5739d58..4aeacf5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategySimpleTwoWayInCore.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/StrategySimpleTwoWayInCore.java
@@ -84,7 +84,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public ThreeWayMerger newMerger(final Repository db) {
+	public ThreeWayMerger newMerger(Repository db) {
 		return new InCoreMerger(db);
 	}
 
@@ -116,13 +116,13 @@
 
 		private ObjectId resultTree;
 
-		InCoreMerger(final Repository local) {
+		InCoreMerger(Repository local) {
 			super(local);
 			tw = new NameConflictTreeWalk(local, reader);
 			cache = DirCache.newInCore();
 		}
 
-		InCoreMerger(final ObjectInserter inserter) {
+		InCoreMerger(ObjectInserter inserter) {
 			super(inserter);
 			tw = new NameConflictTreeWalk(null, reader);
 			cache = DirCache.newInCore();
@@ -182,11 +182,11 @@
 			}
 		}
 
-		private static boolean nonTree(final int mode) {
+		private static boolean nonTree(int mode) {
 			return mode != 0 && !FileMode.TREE.equals(mode);
 		}
 
-		private void add(final int tree, final int stage) throws IOException {
+		private void add(int tree, int stage) throws IOException {
 			final AbstractTreeIterator i = getTree(tree);
 			if (i != null) {
 				if (FileMode.TREE.equals(tw.getRawMode(tree))) {
@@ -203,7 +203,7 @@
 			}
 		}
 
-		private AbstractTreeIterator getTree(final int tree) {
+		private AbstractTreeIterator getTree(int tree) {
 			return tw.getTree(tree, AbstractTreeIterator.class);
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/merge/ThreeWayMerger.java b/org.eclipse.jgit/src/org/eclipse/jgit/merge/ThreeWayMerger.java
index 3f28820..2fc0f4f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/merge/ThreeWayMerger.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/merge/ThreeWayMerger.java
@@ -71,7 +71,7 @@
 	 * @param local
 	 *            the repository this merger will read and write data on.
 	 */
-	protected ThreeWayMerger(final Repository local) {
+	protected ThreeWayMerger(Repository local) {
 		super(local);
 	}
 
@@ -83,7 +83,7 @@
 	 * @param inCore
 	 *            perform the merge in core with no working folder involved
 	 */
-	protected ThreeWayMerger(final Repository local, boolean inCore) {
+	protected ThreeWayMerger(Repository local, boolean inCore) {
 		this(local);
 	}
 
@@ -112,7 +112,7 @@
 	 * @throws java.io.IOException
 	 *             the object could not be read.
 	 */
-	public void setBase(final AnyObjectId id) throws MissingObjectException,
+	public void setBase(AnyObjectId id) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		if (id != null) {
 			baseTree = walk.parseTree(id);
@@ -123,7 +123,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean merge(final AnyObjectId... tips) throws IOException {
+	public boolean merge(AnyObjectId... tips) throws IOException {
 		if (tips.length != 2)
 			return false;
 		return super.merge(tips);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/notes/LeafBucket.java b/org.eclipse.jgit/src/org/eclipse/jgit/notes/LeafBucket.java
index 1be5251..6723b63 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/notes/LeafBucket.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/notes/LeafBucket.java
@@ -218,7 +218,7 @@
 		return fmt;
 	}
 
-	private int treeSize(final int nameLen) {
+	private int treeSize(int nameLen) {
 		int sz = cnt * TreeFormatter.entrySize(REGULAR_FILE, nameLen);
 		for (NonNoteEntry e = nonNotes; e != null; e = e.next)
 			sz += e.treeEntrySize();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/BinaryHunk.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/BinaryHunk.java
index 079d6f6..95391ec 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/BinaryHunk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/BinaryHunk.java
@@ -80,7 +80,7 @@
 	/** Inflated length of the data. */
 	private int length;
 
-	BinaryHunk(final FileHeader fh, final int offset) {
+	BinaryHunk(FileHeader fh, int offset) {
 		file = fh;
 		startOffset = offset;
 	}
@@ -139,7 +139,7 @@
 		return length;
 	}
 
-	int parseHunk(int ptr, final int end) {
+	int parseHunk(int ptr, int end) {
 		final byte[] buf = file.buf;
 
 		if (match(buf, ptr, LITERAL) >= 0) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedFileHeader.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedFileHeader.java
index 1afb53d..3407578 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedFileHeader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedFileHeader.java
@@ -69,7 +69,7 @@
 
 	private FileMode[] oldModes;
 
-	CombinedFileHeader(final byte[] b, final int offset) {
+	CombinedFileHeader(byte[] b, int offset) {
 		super(b, offset);
 	}
 
@@ -108,7 +108,7 @@
 	 *            the ancestor to get the mode of
 	 * @return the mode of the requested ancestor.
 	 */
-	public FileMode getOldMode(final int nthParent) {
+	public FileMode getOldMode(int nthParent) {
 		return oldModes[nthParent];
 	}
 
@@ -130,13 +130,13 @@
 	 *            the ancestor to get the object id of
 	 * @return the id of the requested ancestor.
 	 */
-	public AbbreviatedObjectId getOldId(final int nthParent) {
+	public AbbreviatedObjectId getOldId(int nthParent) {
 		return oldIds[nthParent];
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public String getScriptText(final Charset ocs, final Charset ncs) {
+	public String getScriptText(Charset ocs, Charset ncs) {
 		final Charset[] cs = new Charset[getParentCount() + 1];
 		Arrays.fill(cs, ocs);
 		cs[getParentCount()] = ncs;
@@ -149,12 +149,12 @@
 	 * Convert the patch script for this file into a string.
 	 */
 	@Override
-	public String getScriptText(final Charset[] charsetGuess) {
+	public String getScriptText(Charset[] charsetGuess) {
 		return super.getScriptText(charsetGuess);
 	}
 
 	@Override
-	int parseGitHeaders(int ptr, final int end) {
+	int parseGitHeaders(int ptr, int end) {
 		while (ptr < end) {
 			final int eol = nextLF(buf, ptr);
 			if (isHunkHdr(buf, ptr, end) >= 1) {
@@ -191,7 +191,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void parseIndexLine(int ptr, final int eol) {
+	protected void parseIndexLine(int ptr, int eol) {
 		// "index $asha1,$bsha1..$csha1"
 		//
 		final List<AbbreviatedObjectId> ids = new ArrayList<>();
@@ -213,18 +213,18 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void parseNewFileMode(final int ptr, final int eol) {
+	protected void parseNewFileMode(int ptr, int eol) {
 		for (int i = 0; i < oldModes.length; i++)
 			oldModes[i] = FileMode.MISSING;
 		super.parseNewFileMode(ptr, eol);
 	}
 
 	@Override
-	HunkHeader newHunkHeader(final int offset) {
+	HunkHeader newHunkHeader(int offset) {
 		return new CombinedHunkHeader(this, offset);
 	}
 
-	private void parseModeLine(int ptr, final int eol) {
+	private void parseModeLine(int ptr, int eol) {
 		// "mode $amode,$bmode..$cmode"
 		//
 		int n = 0;
@@ -240,7 +240,7 @@
 		newMode = parseFileMode(dot2 + 1, eol);
 	}
 
-	private void parseDeletedFileMode(int ptr, final int eol) {
+	private void parseDeletedFileMode(int ptr, int eol) {
 		// "deleted file mode $amode,$bmode"
 		//
 		changeType = ChangeType.DELETE;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedHunkHeader.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedHunkHeader.java
index bbf8023..d278132 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedHunkHeader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/CombinedHunkHeader.java
@@ -64,7 +64,7 @@
 
 	private CombinedOldImage[] old;
 
-	CombinedHunkHeader(final CombinedFileHeader fh, final int offset) {
+	CombinedHunkHeader(CombinedFileHeader fh, int offset) {
 		super(fh, offset, null);
 		old = new CombinedOldImage[fh.getParentCount()];
 		for (int i = 0; i < old.length; i++) {
@@ -97,7 +97,7 @@
 	 *            the ancestor to get the old image data of
 	 * @return image data of the requested ancestor.
 	 */
-	public OldImage getOldImage(final int nthParent) {
+	public OldImage getOldImage(int nthParent) {
 		return old[nthParent];
 	}
 
@@ -125,11 +125,11 @@
 	}
 
 	@Override
-	int parseBody(final Patch script, final int end) {
+	int parseBody(Patch script, int end) {
 		final byte[] buf = file.buf;
 		int c = nextLF(buf, startOffset);
 
-		for (final CombinedOldImage o : old) {
+		for (CombinedOldImage o : old) {
 			o.nDeleted = 0;
 			o.nAdded = 0;
 			o.nContext = 0;
@@ -207,7 +207,7 @@
 	}
 
 	@Override
-	void extractFileLines(final OutputStream[] out) throws IOException {
+	void extractFileLines(OutputStream[] out) throws IOException {
 		final byte[] buf = file.buf;
 		int ptr = startOffset;
 		int eol = nextLF(buf, ptr);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/FileHeader.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/FileHeader.java
index 5cfbbb2..d0a5216 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/FileHeader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/FileHeader.java
@@ -146,7 +146,7 @@
 	 * @param type
 	 *            the type of patch used to modify this file
 	 */
-	public FileHeader(final byte[] headerLines, EditList edits, PatchType type) {
+	public FileHeader(byte[] headerLines, EditList edits, PatchType type) {
 		this(headerLines, 0);
 		endOffset = headerLines.length;
 		int ptr = parseGitFileName(Patch.DIFF_GIT.length, headerLines.length);
@@ -155,7 +155,7 @@
 		addHunk(new HunkHeader(this, edits));
 	}
 
-	FileHeader(final byte[] b, final int offset) {
+	FileHeader(byte[] b, int offset) {
 		buf = b;
 		startOffset = offset;
 		changeType = ChangeType.MODIFY; // unless otherwise designated
@@ -264,12 +264,12 @@
 
 		final String[] files = extractFileLines(charsetGuess);
 		final int[] offsets = new int[files.length];
-		for (final HunkHeader h : getHunks())
+		for (HunkHeader h : getHunks())
 			h.extractFileLines(r, files, offsets);
 		return r.toString();
 	}
 
-	private static boolean trySimpleConversion(final Charset[] charsetGuess) {
+	private static boolean trySimpleConversion(Charset[] charsetGuess) {
 		if (charsetGuess == null)
 			return true;
 		for (int i = 1; i < charsetGuess.length; i++) {
@@ -279,12 +279,12 @@
 		return true;
 	}
 
-	private String[] extractFileLines(final Charset[] csGuess) {
+	private String[] extractFileLines(Charset[] csGuess) {
 		final TemporaryBuffer[] tmp = new TemporaryBuffer[getParentCount() + 1];
 		try {
 			for (int i = 0; i < tmp.length; i++)
 				tmp[i] = new TemporaryBuffer.Heap(Integer.MAX_VALUE);
-			for (final HunkHeader h : getHunks())
+			for (HunkHeader h : getHunks())
 				h.extractFileLines(tmp);
 
 			final String[] r = new String[tmp.length];
@@ -329,7 +329,7 @@
 		return hunks;
 	}
 
-	void addHunk(final HunkHeader h) {
+	void addHunk(HunkHeader h) {
 		if (h.getFileHeader() != this)
 			throw new IllegalArgumentException(JGitText.get().hunkBelongsToAnotherFile);
 		if (hunks == null)
@@ -337,7 +337,7 @@
 		hunks.add(h);
 	}
 
-	HunkHeader newHunkHeader(final int offset) {
+	HunkHeader newHunkHeader(int offset) {
 		return new HunkHeader(this, offset);
 	}
 
@@ -370,7 +370,7 @@
 	 */
 	public EditList toEditList() {
 		final EditList r = new EditList();
-		for (final HunkHeader hunk : hunks)
+		for (HunkHeader hunk : hunks)
 			r.addAll(hunk.toEditList());
 		return r;
 	}
@@ -384,7 +384,7 @@
 	 *            one past the last position to parse.
 	 * @return first character after the LF at the end of the line; -1 on error.
 	 */
-	int parseGitFileName(int ptr, final int end) {
+	int parseGitFileName(int ptr, int end) {
 		final int eol = nextLF(buf, ptr);
 		final int bol = ptr;
 		if (eol >= end) {
@@ -444,7 +444,7 @@
 		return eol;
 	}
 
-	int parseGitHeaders(int ptr, final int end) {
+	int parseGitHeaders(int ptr, int end) {
 		while (ptr < end) {
 			final int eol = nextLF(buf, ptr);
 			if (isHunkHdr(buf, ptr, eol) >= 1) {
@@ -514,25 +514,25 @@
 		return ptr;
 	}
 
-	void parseOldName(int ptr, final int eol) {
+	void parseOldName(int ptr, int eol) {
 		oldPath = p1(parseName(oldPath, ptr + OLD_NAME.length, eol));
 		if (oldPath == DEV_NULL)
 			changeType = ChangeType.ADD;
 	}
 
-	void parseNewName(int ptr, final int eol) {
+	void parseNewName(int ptr, int eol) {
 		newPath = p1(parseName(newPath, ptr + NEW_NAME.length, eol));
 		if (newPath == DEV_NULL)
 			changeType = ChangeType.DELETE;
 	}
 
-	void parseNewFileMode(int ptr, final int eol) {
+	void parseNewFileMode(int ptr, int eol) {
 		oldMode = FileMode.MISSING;
 		newMode = parseFileMode(ptr + NEW_FILE_MODE.length, eol);
 		changeType = ChangeType.ADD;
 	}
 
-	int parseTraditionalHeaders(int ptr, final int end) {
+	int parseTraditionalHeaders(int ptr, int end) {
 		while (ptr < end) {
 			final int eol = nextLF(buf, ptr);
 			if (isHunkHdr(buf, ptr, eol) >= 1) {
@@ -555,7 +555,7 @@
 		return ptr;
 	}
 
-	private String parseName(final String expect, int ptr, final int end) {
+	private String parseName(String expect, int ptr, int end) {
 		if (ptr == end)
 			return expect;
 
@@ -585,7 +585,7 @@
 		return s > 0 ? r.substring(s + 1) : r;
 	}
 
-	FileMode parseFileMode(int ptr, final int end) {
+	FileMode parseFileMode(int ptr, int end) {
 		int tmp = 0;
 		while (ptr < end - 1) {
 			tmp <<= 3;
@@ -594,7 +594,7 @@
 		return FileMode.fromBits(tmp);
 	}
 
-	void parseIndexLine(int ptr, final int end) {
+	void parseIndexLine(int ptr, int end) {
 		// "index $asha1..$bsha1[ $mode]" where $asha1 and $bsha1
 		// can be unique abbreviations
 		//
@@ -636,7 +636,7 @@
 	 *         for a 3 way-merge returns 3. If this is not a hunk header, 0 is
 	 *         returned instead.
 	 */
-	static int isHunkHdr(final byte[] buf, final int start, final int end) {
+	static int isHunkHdr(byte[] buf, int start, int end) {
 		int ptr = start;
 		while (ptr < end && buf[ptr] == '@')
 			ptr++;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/HunkHeader.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/HunkHeader.java
index d022d47..1458945 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/HunkHeader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/HunkHeader.java
@@ -120,7 +120,7 @@
 
 	private EditList editList;
 
-	HunkHeader(final FileHeader fh, final int offset) {
+	HunkHeader(FileHeader fh, int offset) {
 		this(fh, offset, new OldImage() {
 			@Override
 			public AbbreviatedObjectId getId() {
@@ -129,13 +129,13 @@
 		});
 	}
 
-	HunkHeader(final FileHeader fh, final int offset, final OldImage oi) {
+	HunkHeader(FileHeader fh, int offset, OldImage oi) {
 		file = fh;
 		startOffset = offset;
 		old = oi;
 	}
 
-	HunkHeader(final FileHeader fh, final EditList editList) {
+	HunkHeader(FileHeader fh, EditList editList) {
 		this(fh, fh.buf.length);
 		this.editList = editList;
 		endOffset = startOffset;
@@ -293,7 +293,7 @@
 			newLineCount = 1;
 	}
 
-	int parseBody(final Patch script, final int end) {
+	int parseBody(Patch script, int end) {
 		final byte[] buf = file.buf;
 		int c = nextLF(buf, startOffset), last = c;
 
@@ -359,7 +359,7 @@
 		return c;
 	}
 
-	void extractFileLines(final OutputStream[] out) throws IOException {
+	void extractFileLines(OutputStream[] out) throws IOException {
 		final byte[] buf = file.buf;
 		int ptr = startOffset;
 		int eol = nextLF(buf, ptr);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/patch/Patch.java b/org.eclipse.jgit/src/org/eclipse/jgit/patch/Patch.java
index da123a7..052f2a7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/patch/Patch.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/patch/Patch.java
@@ -101,7 +101,7 @@
 	 * @param fh
 	 *            the header of the file.
 	 */
-	public void addFile(final FileHeader fh) {
+	public void addFile(FileHeader fh) {
 		files.add(fh);
 	}
 
@@ -120,7 +120,7 @@
 	 * @param err
 	 *            the error description.
 	 */
-	public void addError(final FormatError err) {
+	public void addError(FormatError err) {
 		errors.add(err);
 	}
 
@@ -146,12 +146,12 @@
 	 * @throws java.io.IOException
 	 *             there was an error reading from the input stream.
 	 */
-	public void parse(final InputStream is) throws IOException {
+	public void parse(InputStream is) throws IOException {
 		final byte[] buf = readFully(is);
 		parse(buf, 0, buf.length);
 	}
 
-	private static byte[] readFully(final InputStream is) throws IOException {
+	private static byte[] readFully(InputStream is) throws IOException {
 		try (TemporaryBuffer b = new TemporaryBuffer.Heap(Integer.MAX_VALUE)) {
 			b.copy(is);
 			return b.toByteArray();
@@ -173,12 +173,12 @@
 	 *            1 past the last position to end parsing. The total length to
 	 *            be parsed is <code>end - ptr</code>.
 	 */
-	public void parse(final byte[] buf, int ptr, final int end) {
+	public void parse(byte[] buf, int ptr, int end) {
 		while (ptr < end)
 			ptr = parseFile(buf, ptr, end);
 	}
 
-	private int parseFile(final byte[] buf, int c, final int end) {
+	private int parseFile(byte[] buf, int c, int end) {
 		while (c < end) {
 			if (isHunkHdr(buf, c, end) >= 1) {
 				// If we find a disconnected hunk header we might
@@ -234,7 +234,7 @@
 		return c;
 	}
 
-	private int parseDiffGit(final byte[] buf, final int start, final int end) {
+	private int parseDiffGit(byte[] buf, int start, int end) {
 		final FileHeader fh = new FileHeader(buf, start);
 		int ptr = fh.parseGitFileName(start + DIFF_GIT.length, end);
 		if (ptr < 0)
@@ -271,14 +271,14 @@
 		return ptr;
 	}
 
-	private static int skipFile(final byte[] buf, int ptr) {
+	private static int skipFile(byte[] buf, int ptr) {
 		ptr = nextLF(buf, ptr);
 		if (match(buf, ptr, OLD_NAME) >= 0)
 			ptr = nextLF(buf, ptr);
 		return ptr;
 	}
 
-	private int parseHunks(final FileHeader fh, int c, final int end) {
+	private int parseHunks(FileHeader fh, int c, int end) {
 		final byte[] buf = fh.buf;
 		while (c < end) {
 			// If we see a file header at this point, we have all of the
@@ -349,7 +349,7 @@
 		return c;
 	}
 
-	private int parseGitBinary(final FileHeader fh, int c, final int end) {
+	private int parseGitBinary(FileHeader fh, int c, int end) {
 		final BinaryHunk postImage = new BinaryHunk(fh, c);
 		final int nEnd = postImage.parseHunk(c, end);
 		if (nEnd < 0) {
@@ -373,17 +373,17 @@
 		return c;
 	}
 
-	void warn(final byte[] buf, final int ptr, final String msg) {
+	void warn(byte[] buf, int ptr, String msg) {
 		addError(new FormatError(buf, ptr, FormatError.Severity.WARNING, msg));
 	}
 
-	void error(final byte[] buf, final int ptr, final String msg) {
+	void error(byte[] buf, int ptr, String msg) {
 		addError(new FormatError(buf, ptr, FormatError.Severity.ERROR, msg));
 	}
 
 	private static boolean matchAny(final byte[] buf, final int c,
 			final byte[][] srcs) {
-		for (final byte[] s : srcs) {
+		for (byte[] s : srcs) {
 			if (match(buf, c, s) >= 0)
 				return true;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java
index f88b819..58e2106 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/AbstractPlotRenderer.java
@@ -92,14 +92,14 @@
 	 *            total height (in pixels) of this cell.
 	 */
 	@SuppressWarnings("unchecked")
-	protected void paintCommit(final PlotCommit<TLane> commit, final int h) {
+	protected void paintCommit(PlotCommit<TLane> commit, int h) {
 		final int dotSize = computeDotSize(h);
 		final TLane myLane = commit.getLane();
 		final int myLaneX = laneC(myLane);
 		final TColor myColor = laneColor(myLane);
 
 		int maxCenter = myLaneX;
-		for (final TLane passingLane : (TLane[]) commit.passingLanes) {
+		for (TLane passingLane : (TLane[]) commit.passingLanes) {
 			final int cx = laneC(passingLane);
 			final TColor c = laneColor(passingLane);
 			drawLine(c, cx, 0, cx, h, LINE_WIDTH);
@@ -190,7 +190,7 @@
 	 */
 	protected abstract int drawLabel(int x, int y, Ref ref);
 
-	private static int computeDotSize(final int h) {
+	private static int computeDotSize(int h) {
 		int d = (int) (Math.min(h, LANE_WIDTH) * 0.50f);
 		d += (d & 1);
 		return d;
@@ -282,12 +282,12 @@
 	 */
 	protected abstract void drawText(String msg, int x, int y);
 
-	private static int laneX(final PlotLane myLane) {
+	private static int laneX(PlotLane myLane) {
 		final int p = myLane != null ? myLane.getPosition() : 0;
 		return LEFT_PAD + LANE_WIDTH * p;
 	}
 
-	private static int laneC(final PlotLane myLane) {
+	private static int laneC(PlotLane myLane) {
 		return laneX(myLane) + LANE_WIDTH / 2;
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
index 091bf68..9914b0c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommit.java
@@ -79,7 +79,7 @@
 	 * @param id
 	 *            the identity of this commit.
 	 */
-	protected PlotCommit(final AnyObjectId id) {
+	protected PlotCommit(AnyObjectId id) {
 		super(id);
 		forkingOffLanes = NO_LANES;
 		passingLanes = NO_LANES;
@@ -88,19 +88,19 @@
 		refs = NO_REFS;
 	}
 
-	void addForkingOffLane(final PlotLane f) {
+	void addForkingOffLane(PlotLane f) {
 		forkingOffLanes = addLane(f, forkingOffLanes);
 	}
 
-	void addPassingLane(final PlotLane c) {
+	void addPassingLane(PlotLane c) {
 		passingLanes = addLane(c, passingLanes);
 	}
 
-	void addMergingLane(final PlotLane m) {
+	void addMergingLane(PlotLane m) {
 		mergingLanes = addLane(m, mergingLanes);
 	}
 
-	private static PlotLane[] addLane(final PlotLane l, PlotLane[] lanes) {
+	private static PlotLane[] addLane(PlotLane l, PlotLane[] lanes) {
 		final int cnt = lanes.length;
 		if (cnt == 0)
 			lanes = new PlotLane[] { l };
@@ -115,7 +115,7 @@
 		return lanes;
 	}
 
-	void addChild(final PlotCommit c) {
+	void addChild(PlotCommit c) {
 		final int cnt = children.length;
 		if (cnt == 0)
 			children = new PlotCommit[] { c };
@@ -152,7 +152,7 @@
 	 * @throws java.lang.ArrayIndexOutOfBoundsException
 	 *             an invalid child index was specified.
 	 */
-	public final PlotCommit getChild(final int nth) {
+	public final PlotCommit getChild(int nth) {
 		return children[nth];
 	}
 
@@ -163,8 +163,8 @@
 	 *            the commit to test.
 	 * @return true if the given commit built on top of this commit.
 	 */
-	public final boolean isChild(final PlotCommit c) {
-		for (final PlotCommit a : children)
+	public final boolean isChild(PlotCommit c) {
+		for (PlotCommit a : children)
 			if (a == c)
 				return true;
 		return false;
@@ -189,7 +189,7 @@
 	 * @throws java.lang.ArrayIndexOutOfBoundsException
 	 *             an invalid ref index was specified.
 	 */
-	public final Ref getRef(final int nth) {
+	public final Ref getRef(int nth) {
 		return refs[nth];
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommitList.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommitList.java
index 6a0ba66..5e15316 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommitList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotCommitList.java
@@ -94,7 +94,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void source(final RevWalk w) {
+	public void source(RevWalk w) {
 		if (!(w instanceof PlotWalk))
 			throw new ClassCastException(MessageFormat.format(JGitText.get().classCastNotA, PlotWalk.class.getName()));
 		super.source(w);
@@ -120,13 +120,13 @@
 	@SuppressWarnings("unchecked")
 	public void findPassingThrough(final PlotCommit<L> currCommit,
 			final Collection<L> result) {
-		for (final PlotLane p : currCommit.passingLanes)
+		for (PlotLane p : currCommit.passingLanes)
 			result.add((L) p);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	protected void enter(final int index, final PlotCommit<L> currCommit) {
+	protected void enter(int index, PlotCommit<L> currCommit) {
 		setupChildren(currCommit);
 
 		final int nChildren = currCommit.getChildCount();
@@ -202,7 +202,7 @@
 			closeLane(currCommit.lane);
 	}
 
-	private void continueActiveLanes(final PlotCommit currCommit) {
+	private void continueActiveLanes(PlotCommit currCommit) {
 		for (PlotLane lane : activeLanes)
 			if (lane != currCommit.lane)
 				currCommit.addPassingLane(lane);
@@ -356,7 +356,7 @@
 		}
 	}
 
-	private void setupChildren(final PlotCommit<L> currCommit) {
+	private void setupChildren(PlotCommit<L> currCommit) {
 		final int nParents = currCommit.getParentCount();
 		for (int i = 0; i < nParents; i++)
 			((PlotCommit) currCommit.getParent(i)).addChild(currCommit);
@@ -416,7 +416,7 @@
 	 * @param lane
 	 *            a lane
 	 */
-	protected void recycleLane(final L lane) {
+	protected void recycleLane(L lane) {
 		// Nothing.
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotWalk.java
index 8ba8d6e..f27f356 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revplot/PlotWalk.java
@@ -90,7 +90,7 @@
 	 * @param repo
 	 *            the repository the walker will obtain data from.
 	 */
-	public PlotWalk(final Repository repo) {
+	public PlotWalk(Repository repo) {
 		super(repo);
 		super.sort(RevSort.TOPO, true);
 		reverseRefMap = repo.getAllRefsByPeeledObjectId();
@@ -118,7 +118,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void sort(final RevSort s, final boolean use) {
+	public void sort(RevSort s, boolean use) {
 		if (s == RevSort.TOPO && !use)
 			throw new IllegalArgumentException(JGitText.get().topologicalSortRequired);
 		super.sort(s, use);
@@ -126,7 +126,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected RevCommit createCommit(final AnyObjectId id) {
+	protected RevCommit createCommit(AnyObjectId id) {
 		return new PlotCommit(id);
 	}
 
@@ -140,7 +140,7 @@
 		return pc;
 	}
 
-	private Ref[] getRefs(final AnyObjectId commitId) {
+	private Ref[] getRefs(AnyObjectId commitId) {
 		Collection<Ref> list = reverseRefMap.get(commitId);
 		if (list == null)
 			return PlotCommit.NO_REFS;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/AbstractRevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/AbstractRevQueue.java
index b948adb..247a3bd 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/AbstractRevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/AbstractRevQueue.java
@@ -74,7 +74,7 @@
 	 * @param queueControl
 	 *            flag that controls admission to the queue.
 	 */
-	public final void add(final RevCommit c, final RevFlag queueControl) {
+	public final void add(RevCommit c, RevFlag queueControl) {
 		if (!c.has(queueControl)) {
 			c.add(queueControl);
 			add(c);
@@ -94,7 +94,7 @@
 	 * @param queueControl
 	 *            flag that controls admission to the queue.
 	 */
-	public final void addParents(final RevCommit c, final RevFlag queueControl) {
+	public final void addParents(RevCommit c, RevFlag queueControl) {
 		final RevCommit[] pList = c.parents;
 		if (pList == null)
 			return;
@@ -132,7 +132,7 @@
 	 * @param c
 	 *            a {@link org.eclipse.jgit.revwalk.RevCommit}
 	 */
-	protected static void describe(final StringBuilder s, final RevCommit c) {
+	protected static void describe(StringBuilder s, RevCommit c) {
 		s.append(c.toString());
 		s.append('\n');
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockObjQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockObjQueue.java
index 371cd06..fcdf795 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockObjQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockObjQueue.java
@@ -55,7 +55,7 @@
 		free = new BlockFreeList();
 	}
 
-	void add(final RevObject c) {
+	void add(RevObject c) {
 		Block b = tail;
 		if (b == null) {
 			b = free.newBlock();
@@ -98,7 +98,7 @@
 			return b;
 		}
 
-		void freeBlock(final Block b) {
+		void freeBlock(Block b) {
 			b.next = next;
 			next = b;
 		}
@@ -127,7 +127,7 @@
 			return headIndex == tailIndex;
 		}
 
-		void add(final RevObject c) {
+		void add(RevObject c) {
 			objects[tailIndex++] = c;
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockRevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockRevQueue.java
index 74a3511..79307b5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockRevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BlockRevQueue.java
@@ -58,7 +58,7 @@
 		free = new BlockFreeList();
 	}
 
-	BlockRevQueue(final Generator s) throws MissingObjectException,
+	BlockRevQueue(Generator s) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		free = new BlockFreeList();
 		outputType = s.outputType();
@@ -85,7 +85,7 @@
 	 * sharing the same free list are doing so from only a single thread.
 	 */
 	@Override
-	public void shareFreeList(final BlockRevQueue q) {
+	public void shareFreeList(BlockRevQueue q) {
 		free = q.free;
 	}
 
@@ -101,7 +101,7 @@
 			return b;
 		}
 
-		void freeBlock(final Block b) {
+		void freeBlock(Block b) {
 			b.next = next;
 			next = b;
 		}
@@ -138,11 +138,11 @@
 			return headIndex > 0;
 		}
 
-		void add(final RevCommit c) {
+		void add(RevCommit c) {
 			commits[tailIndex++] = c;
 		}
 
-		void unpop(final RevCommit c) {
+		void unpop(RevCommit c) {
 			commits[--headIndex] = c;
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BoundaryGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BoundaryGenerator.java
index 6be0c85..0fd6621 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BoundaryGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/BoundaryGenerator.java
@@ -54,7 +54,7 @@
 
 	Generator g;
 
-	BoundaryGenerator(final RevWalk w, final Generator s) {
+	BoundaryGenerator(RevWalk w, Generator s) {
 		g = new InitialGenerator(w, s);
 	}
 
@@ -64,7 +64,7 @@
 	}
 
 	@Override
-	void shareFreeList(final BlockRevQueue q) {
+	void shareFreeList(BlockRevQueue q) {
 		g.shareFreeList(q);
 	}
 
@@ -85,7 +85,7 @@
 
 		private final Generator source;
 
-		InitialGenerator(final RevWalk w, final Generator s) {
+		InitialGenerator(RevWalk w, Generator s) {
 			walk = w;
 			held = new FIFORevQueue();
 			source = s;
@@ -98,7 +98,7 @@
 		}
 
 		@Override
-		void shareFreeList(final BlockRevQueue q) {
+		void shareFreeList(BlockRevQueue q) {
 			q.shareFreeList(held);
 		}
 
@@ -107,7 +107,7 @@
 				IncorrectObjectTypeException, IOException {
 			RevCommit c = source.next();
 			if (c != null) {
-				for (final RevCommit p : c.parents)
+				for (RevCommit p : c.parents)
 					if ((p.flags & UNINTERESTING) != 0)
 						held.add(p);
 				return c;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DateRevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DateRevQueue.java
index c993fe5..b86e876 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DateRevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DateRevQueue.java
@@ -76,7 +76,7 @@
 		super();
 	}
 
-	DateRevQueue(final Generator s) throws MissingObjectException,
+	DateRevQueue(Generator s) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		for (;;) {
 			final RevCommit c = s.next();
@@ -88,7 +88,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void add(final RevCommit c) {
+	public void add(RevCommit c) {
 		sinceLastIndex++;
 		if (++inQueue > REBUILD_INDEX_COUNT
 				&& sinceLastIndex > REBUILD_INDEX_COUNT)
@@ -181,7 +181,7 @@
 	}
 
 	@Override
-	boolean everbodyHasFlag(final int f) {
+	boolean everbodyHasFlag(int f) {
 		for (Entry q = head; q != null; q = q.next) {
 			if ((q.commit.flags & f) == 0)
 				return false;
@@ -190,7 +190,7 @@
 	}
 
 	@Override
-	boolean anybodyHasFlag(final int f) {
+	boolean anybodyHasFlag(int f) {
 		for (Entry q = head; q != null; q = q.next) {
 			if ((q.commit.flags & f) != 0)
 				return true;
@@ -212,7 +212,7 @@
 		return s.toString();
 	}
 
-	private Entry newEntry(final RevCommit c) {
+	private Entry newEntry(RevCommit c) {
 		Entry r = free;
 		if (r == null)
 			r = new Entry();
@@ -222,7 +222,7 @@
 		return r;
 	}
 
-	private void freeEntry(final Entry e) {
+	private void freeEntry(Entry e) {
 		e.next = free;
 		free = e;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DelayRevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DelayRevQueue.java
index 4a0d19d..c397a01 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DelayRevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DelayRevQueue.java
@@ -69,7 +69,7 @@
 
 	private int size;
 
-	DelayRevQueue(final Generator g) {
+	DelayRevQueue(Generator g) {
 		pending = g;
 		delay = new FIFORevQueue();
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DepthGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DepthGenerator.java
index ad05186..eaec305 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DepthGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/DepthGenerator.java
@@ -113,7 +113,7 @@
 	}
 
 	@Override
-	void shareFreeList(final BlockRevQueue q) {
+	void shareFreeList(BlockRevQueue q) {
 		pending.shareFreeList(q);
 	}
 
@@ -134,7 +134,7 @@
 
 			int newDepth = c.depth + 1;
 
-			for (final RevCommit p : c.parents) {
+			for (RevCommit p : c.parents) {
 				DepthWalk.Commit dp = (DepthWalk.Commit) p;
 
 				// If no depth has been assigned to this commit, assign
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FIFORevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FIFORevQueue.java
index 63b7990..cdb084c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FIFORevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FIFORevQueue.java
@@ -63,14 +63,14 @@
 		super();
 	}
 
-	FIFORevQueue(final Generator s) throws MissingObjectException,
+	FIFORevQueue(Generator s) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		super(s);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void add(final RevCommit c) {
+	public void add(RevCommit c) {
 		Block b = tail;
 		if (b == null) {
 			b = free.newBlock();
@@ -92,7 +92,7 @@
 	 * @param c
 	 *            the commit to insert into the queue.
 	 */
-	public void unpop(final RevCommit c) {
+	public void unpop(RevCommit c) {
 		Block b = head;
 		if (b == null) {
 			b = free.newBlock();
@@ -139,7 +139,7 @@
 	}
 
 	@Override
-	boolean everbodyHasFlag(final int f) {
+	boolean everbodyHasFlag(int f) {
 		for (Block b = head; b != null; b = b.next) {
 			for (int i = b.headIndex; i < b.tailIndex; i++)
 				if ((b.commits[i].flags & f) == 0)
@@ -149,7 +149,7 @@
 	}
 
 	@Override
-	boolean anybodyHasFlag(final int f) {
+	boolean anybodyHasFlag(int f) {
 		for (Block b = head; b != null; b = b.next) {
 			for (int i = b.headIndex; i < b.tailIndex; i++)
 				if ((b.commits[i].flags & f) != 0)
@@ -158,7 +158,7 @@
 		return false;
 	}
 
-	void removeFlag(final int f) {
+	void removeFlag(int f) {
 		final int not_f = ~f;
 		for (Block b = head; b != null; b = b.next) {
 			for (int i = b.headIndex; i < b.tailIndex; i++)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FixUninterestingGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FixUninterestingGenerator.java
index 9d734a7..4e6d7e6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FixUninterestingGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FixUninterestingGenerator.java
@@ -61,7 +61,7 @@
 final class FixUninterestingGenerator extends Generator {
 	private final Generator pending;
 
-	FixUninterestingGenerator(final Generator g) {
+	FixUninterestingGenerator(Generator g) {
 		pending = g;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FollowFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FollowFilter.java
index 2da97c8..dae3aac 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FollowFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FollowFilter.java
@@ -95,7 +95,7 @@
 
 	private RenameCallback renameCallback;
 
-	FollowFilter(final PathFilter path, final DiffConfig cfg) {
+	FollowFilter(PathFilter path, DiffConfig cfg) {
 		this.path = path;
 		this.cfg = cfg;
 	}
@@ -112,7 +112,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final TreeWalk walker)
+	public boolean include(TreeWalk walker)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		return path.include(walker) && ANY_DIFF.include(walker);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterKey.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterKey.java
index 360be29..45d5f80 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterKey.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterKey.java
@@ -70,7 +70,7 @@
 	 * @param keyName
 	 *            name of the footer line.
 	 */
-	public FooterKey(final String keyName) {
+	public FooterKey(String keyName) {
 		name = keyName;
 		raw = Constants.encode(keyName.toLowerCase(Locale.ROOT));
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterLine.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterLine.java
index 074ce82..d6fed66 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterLine.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/FooterLine.java
@@ -86,7 +86,7 @@
 	 *            key to test this line's key name against.
 	 * @return true if {@code key.getName().equalsIgnorecase(getKey())}.
 	 */
-	public boolean matches(final FooterKey key) {
+	public boolean matches(FooterKey key) {
 		final byte[] kRaw = key.raw;
 		final int len = kRaw.length;
 		int bPtr = keyStart;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/Generator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/Generator.java
index a95303b..b2c92ea 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/Generator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/Generator.java
@@ -81,7 +81,7 @@
 	 * @param q
 	 *            another FIFO queue that wants to share our queue's free list.
 	 */
-	void shareFreeList(final BlockRevQueue q) {
+	void shareFreeList(BlockRevQueue q) {
 		// Do nothing by default.
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/LIFORevQueue.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/LIFORevQueue.java
index f734b69..846b8d9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/LIFORevQueue.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/LIFORevQueue.java
@@ -62,14 +62,14 @@
 		super();
 	}
 
-	LIFORevQueue(final Generator s) throws MissingObjectException,
+	LIFORevQueue(Generator s) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		super(s);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void add(final RevCommit c) {
+	public void add(RevCommit c) {
 		Block b = head;
 		if (b == null || !b.canUnpop()) {
 			b = free.newBlock();
@@ -103,7 +103,7 @@
 	}
 
 	@Override
-	boolean everbodyHasFlag(final int f) {
+	boolean everbodyHasFlag(int f) {
 		for (Block b = head; b != null; b = b.next) {
 			for (int i = b.headIndex; i < b.tailIndex; i++)
 				if ((b.commits[i].flags & f) == 0)
@@ -113,7 +113,7 @@
 	}
 
 	@Override
-	boolean anybodyHasFlag(final int f) {
+	boolean anybodyHasFlag(int f) {
 		for (Block b = head; b != null; b = b.next) {
 			for (int i = b.headIndex; i < b.tailIndex; i++)
 				if ((b.commits[i].flags & f) != 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/MergeBaseGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/MergeBaseGenerator.java
index 73ce985..2fe9531 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/MergeBaseGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/MergeBaseGenerator.java
@@ -84,12 +84,12 @@
 
 	private CarryStack stack;
 
-	MergeBaseGenerator(final RevWalk w) {
+	MergeBaseGenerator(RevWalk w) {
 		walker = w;
 		pending = new DateRevQueue();
 	}
 
-	void init(final AbstractRevQueue p) throws IOException {
+	void init(AbstractRevQueue p) throws IOException {
 		try {
 			for (;;) {
 				final RevCommit c = p.next();
@@ -119,7 +119,7 @@
 		}
 	}
 
-	private void add(final RevCommit c) {
+	private void add(RevCommit c) {
 		final int flag = walker.allocFlag();
 		branchMask |= flag;
 		if ((c.flags & branchMask) != 0) {
@@ -146,7 +146,7 @@
 				return null;
 			}
 
-			for (final RevCommit p : c.parents) {
+			for (RevCommit p : c.parents) {
 				if ((p.flags & IN_PENDING) != 0)
 					continue;
 				if ((p.flags & PARSED) == 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
index 25c3e12..e5903c9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/ObjectWalk.java
@@ -119,7 +119,7 @@
 	 * @param repo
 	 *            the repository the walker will obtain data from.
 	 */
-	public ObjectWalk(final Repository repo) {
+	public ObjectWalk(Repository repo) {
 		this(repo.newObjectReader());
 	}
 
@@ -699,7 +699,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected void reset(final int retainFlags) {
+	protected void reset(int retainFlags) {
 		super.reset(retainFlags);
 
 		for (RevObject obj : rootObjects)
@@ -711,7 +711,7 @@
 		freeVisit = null;
 	}
 
-	private void addObject(final RevObject o) {
+	private void addObject(RevObject o) {
 		if ((o.flags & IN_PENDING) == 0) {
 			o.flags |= IN_PENDING;
 			rootObjects.add(o);
@@ -719,7 +719,7 @@
 		}
 	}
 
-	private void markTreeUninteresting(final RevTree tree)
+	private void markTreeUninteresting(RevTree tree)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		if ((tree.flags & UNINTERESTING) != 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/PendingGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/PendingGenerator.java
index 94ae2c9..e607b7d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/PendingGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/PendingGenerator.java
@@ -140,7 +140,7 @@
 					produce = filter.include(walker, c);
 				}
 
-				for (final RevCommit p : c.parents) {
+				for (RevCommit p : c.parents) {
 					if ((p.flags & SEEN) != 0)
 						continue;
 					if ((p.flags & PARSED) == 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevBlob.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevBlob.java
index d352929..cc5e3e4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevBlob.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevBlob.java
@@ -62,7 +62,7 @@
 	 * @param id
 	 *            object name for the blob.
 	 */
-	protected RevBlob(final AnyObjectId id) {
+	protected RevBlob(AnyObjectId id) {
 		super(id);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommit.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommit.java
index 9db1467..b67f934 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommit.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommit.java
@@ -44,7 +44,7 @@
 
 package org.eclipse.jgit.revwalk;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.IOException;
 import java.nio.charset.Charset;
@@ -148,18 +148,18 @@
 	 * @param id
 	 *            object name for the commit.
 	 */
-	protected RevCommit(final AnyObjectId id) {
+	protected RevCommit(AnyObjectId id) {
 		super(id);
 	}
 
 	@Override
-	void parseHeaders(final RevWalk walk) throws MissingObjectException,
+	void parseHeaders(RevWalk walk) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		parseCanonical(walk, walk.getCachedBytes(this));
 	}
 
 	@Override
-	void parseBody(final RevWalk walk) throws MissingObjectException,
+	void parseBody(RevWalk walk) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		if (buffer == null) {
 			buffer = walk.getCachedBytes(this);
@@ -168,7 +168,7 @@
 		}
 	}
 
-	void parseCanonical(final RevWalk walk, final byte[] raw)
+	void parseCanonical(RevWalk walk, byte[] raw)
 			throws IOException {
 		if (!walk.shallowCommitsInitialized)
 			walk.initializeShallowCommits();
@@ -310,7 +310,7 @@
 	 * @param flag
 	 *            the single flag value to carry back onto parents.
 	 */
-	public void carry(final RevFlag flag) {
+	public void carry(RevFlag flag) {
 		final int carry = flags & flag.mask;
 		if (carry != 0)
 			carryFlags(this, carry);
@@ -353,7 +353,7 @@
 	 * @throws java.lang.ArrayIndexOutOfBoundsException
 	 *             an invalid parent index was specified.
 	 */
-	public final RevCommit getParent(final int nth) {
+	public final RevCommit getParent(int nth) {
 		return parents[nth];
 	}
 
@@ -490,7 +490,7 @@
 		return str;
 	}
 
-	static boolean hasLF(final byte[] r, int b, final int e) {
+	static boolean hasLF(byte[] r, int b, int e) {
 		while (b < e)
 			if (r[b++] == '\n')
 				return true;
@@ -539,7 +539,7 @@
 		try {
 			return getEncoding();
 		} catch (IllegalCharsetNameException | UnsupportedCharsetException e) {
-			return UTF_8;
+			return CHARSET;
 		}
 	}
 
@@ -615,7 +615,7 @@
 	 *         with the specified key, or there are no footers at all.
 	 * @see #getFooterLines()
 	 */
-	public final List<String> getFooterLines(final String keyName) {
+	public final List<String> getFooterLines(String keyName) {
 		return getFooterLines(new FooterKey(keyName));
 	}
 
@@ -630,12 +630,12 @@
 	 *         with the specified key, or there are no footers at all.
 	 * @see #getFooterLines()
 	 */
-	public final List<String> getFooterLines(final FooterKey keyName) {
+	public final List<String> getFooterLines(FooterKey keyName) {
 		final List<FooterLine> src = getFooterLines();
 		if (src.isEmpty())
 			return Collections.emptyList();
 		final ArrayList<String> r = new ArrayList<>(src.size());
-		for (final FooterLine f : src) {
+		for (FooterLine f : src) {
 			if (f.matches(keyName))
 				r.add(f.getValue());
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommitList.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommitList.java
index 38cf3f5..d2fda2f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommitList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevCommitList.java
@@ -91,7 +91,7 @@
 	 *             object that should be present was not found. Repository
 	 *             corruption may have occurred.
 	 */
-	public void applyFlag(final RevFilter matching, final RevFlag flag)
+	public void applyFlag(RevFilter matching, RevFlag flag)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		applyFlag(matching, flag, 0, size());
@@ -165,7 +165,7 @@
 	 *            the flag to remove. Applications are responsible for
 	 *            allocating this flag from the source RevWalk.
 	 */
-	public void clearFlag(final RevFlag flag) {
+	public void clearFlag(RevFlag flag) {
 		clearFlag(flag, 0, size());
 	}
 
@@ -207,7 +207,7 @@
 	 * @return index of the first commit at or after index <code>begin</code>
 	 *         that has the specified flag set on it; -1 if no match is found.
 	 */
-	public int indexOf(final RevFlag flag, int begin) {
+	public int indexOf(RevFlag flag, int begin) {
 		while (begin < size()) {
 			int index = begin;
 			Block s = contents;
@@ -238,7 +238,7 @@
 	 * @return index of the first commit at or before index <code>begin</code>
 	 *         that has the specified flag set on it; -1 if no match is found.
 	 */
-	public int lastIndexOf(final RevFlag flag, int begin) {
+	public int lastIndexOf(RevFlag flag, int begin) {
 		begin = Math.min(begin, size() - 1);
 		while (begin >= 0) {
 			int index = begin;
@@ -265,7 +265,7 @@
 	 *            the walker to populate from.
 	 * @see #fillTo(int)
 	 */
-	public void source(final RevWalk w) {
+	public void source(RevWalk w) {
 		walker = w;
 	}
 
@@ -299,7 +299,7 @@
 	 *             see {@link org.eclipse.jgit.revwalk.RevWalk#next()}
 	 */
 	@SuppressWarnings("unchecked")
-	public void fillTo(final int highMark) throws MissingObjectException,
+	public void fillTo(int highMark) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		if (walker == null || size > highMark)
 			return;
@@ -364,7 +364,7 @@
 	 *             see {@link org.eclipse.jgit.revwalk.RevWalk#next()}
 	 */
 	@SuppressWarnings("unchecked")
-	public void fillTo(final RevCommit commitToLoad, int highMark)
+	public void fillTo(RevCommit commitToLoad, int highMark)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		if (walker == null || commitToLoad == null
@@ -419,7 +419,7 @@
 	 * @param e
 	 *            the object being added (or set) into the list.
 	 */
-	protected void enter(final int index, final E e) {
+	protected void enter(int index, E e) {
 		// Do nothing by default.
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlag.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlag.java
index 1e79867..413a552 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlag.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlag.java
@@ -85,7 +85,7 @@
 
 	final int mask;
 
-	RevFlag(final RevWalk w, final String n, final int m) {
+	RevFlag(RevWalk w, String n, int m) {
 		walker = w;
 		name = n;
 		mask = m;
@@ -107,7 +107,7 @@
 	}
 
 	static class StaticRevFlag extends RevFlag {
-		StaticRevFlag(final String n, final int m) {
+		StaticRevFlag(String n, int m) {
 			super(null, n, m);
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlagSet.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlagSet.java
index 9740d14..45a730c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlagSet.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevFlagSet.java
@@ -73,7 +73,7 @@
 	 * @param s
 	 *            the set to copy flags from.
 	 */
-	public RevFlagSet(final RevFlagSet s) {
+	public RevFlagSet(RevFlagSet s) {
 		mask = s.mask;
 		active = new ArrayList<>(s.active);
 	}
@@ -84,14 +84,14 @@
 	 * @param s
 	 *            the collection to copy flags from.
 	 */
-	public RevFlagSet(final Collection<RevFlag> s) {
+	public RevFlagSet(Collection<RevFlag> s) {
 		this();
 		addAll(s);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean contains(final Object o) {
+	public boolean contains(Object o) {
 		if (o instanceof RevFlag)
 			return (mask & ((RevFlag) o).mask) != 0;
 		return false;
@@ -99,7 +99,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean containsAll(final Collection<?> c) {
+	public boolean containsAll(Collection<?> c) {
 		if (c instanceof RevFlagSet) {
 			final int cMask = ((RevFlagSet) c).mask;
 			return (mask & cMask) == cMask;
@@ -109,7 +109,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean add(final RevFlag flag) {
+	public boolean add(RevFlag flag) {
 		if ((mask & flag.mask) != 0)
 			return false;
 		mask |= flag.mask;
@@ -122,7 +122,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean remove(final Object o) {
+	public boolean remove(Object o) {
 		final RevFlag flag = (RevFlag) o;
 		if ((mask & flag.mask) == 0)
 			return false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObject.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObject.java
index 4a88105..eef9bf3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObject.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObject.java
@@ -60,7 +60,7 @@
 
 	int flags;
 
-	RevObject(final AnyObjectId name) {
+	RevObject(AnyObjectId name) {
 		super(name);
 	}
 
@@ -93,7 +93,7 @@
 	 *            the flag to test.
 	 * @return true if the flag has been added to this object; false if not.
 	 */
-	public final boolean has(final RevFlag flag) {
+	public final boolean has(RevFlag flag) {
 		return (flags & flag.mask) != 0;
 	}
 
@@ -105,7 +105,7 @@
 	 * @return true if any flag in the set has been added to this object; false
 	 *         if not.
 	 */
-	public final boolean hasAny(final RevFlagSet set) {
+	public final boolean hasAny(RevFlagSet set) {
 		return (flags & set.mask) != 0;
 	}
 
@@ -117,7 +117,7 @@
 	 * @return true if all flags of the set have been added to this object;
 	 *         false if some or none have been added.
 	 */
-	public final boolean hasAll(final RevFlagSet set) {
+	public final boolean hasAll(RevFlagSet set) {
 		return (flags & set.mask) == set.mask;
 	}
 
@@ -129,7 +129,7 @@
 	 * @param flag
 	 *            the flag to mark on this object, for later testing.
 	 */
-	public final void add(final RevFlag flag) {
+	public final void add(RevFlag flag) {
 		flags |= flag.mask;
 	}
 
@@ -139,7 +139,7 @@
 	 * @param set
 	 *            the set of flags to mark on this object, for later testing.
 	 */
-	public final void add(final RevFlagSet set) {
+	public final void add(RevFlagSet set) {
 		flags |= set.mask;
 	}
 
@@ -151,7 +151,7 @@
 	 * @param flag
 	 *            the flag to remove from this object.
 	 */
-	public final void remove(final RevFlag flag) {
+	public final void remove(RevFlag flag) {
 		flags &= ~flag.mask;
 	}
 
@@ -161,7 +161,7 @@
 	 * @param set
 	 *            the flag to remove from this object.
 	 */
-	public final void remove(final RevFlagSet set) {
+	public final void remove(RevFlagSet set) {
 		flags &= ~set.mask;
 	}
 
@@ -183,7 +183,7 @@
 	 * @param s
 	 *            buffer to append a debug description of core RevFlags onto.
 	 */
-	protected void appendCoreFlags(final StringBuilder s) {
+	protected void appendCoreFlags(StringBuilder s) {
 		s.append((flags & RevWalk.TOPO_DELAY) != 0 ? 'o' : '-');
 		s.append((flags & RevWalk.TEMP_MARK) != 0 ? 't' : '-');
 		s.append((flags & RevWalk.REWRITE) != 0 ? 'r' : '-');
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObjectList.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObjectList.java
index 2bb4427..2f21e17 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObjectList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevObjectList.java
@@ -82,7 +82,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void add(final int index, final E element) {
+	public void add(int index, E element) {
 		if (index != size)
 			throw new UnsupportedOperationException(MessageFormat.format(
 					JGitText.get().unsupportedOperationNotAddAtEnd,
@@ -147,7 +147,7 @@
 
 		final int shift;
 
-		Block(final int s) {
+		Block(int s) {
 			shift = s;
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTag.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTag.java
index d74837e..0050bac 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTag.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTag.java
@@ -45,7 +45,7 @@
 
 package org.eclipse.jgit.revwalk;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.IOException;
 import java.nio.charset.Charset;
@@ -137,18 +137,18 @@
 	 * @param id
 	 *            object name for the tag.
 	 */
-	protected RevTag(final AnyObjectId id) {
+	protected RevTag(AnyObjectId id) {
 		super(id);
 	}
 
 	@Override
-	void parseHeaders(final RevWalk walk) throws MissingObjectException,
+	void parseHeaders(RevWalk walk) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		parseCanonical(walk, walk.getCachedBytes(this));
 	}
 
 	@Override
-	void parseBody(final RevWalk walk) throws MissingObjectException,
+	void parseBody(RevWalk walk) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		if (buffer == null) {
 			buffer = walk.getCachedBytes(this);
@@ -157,7 +157,7 @@
 		}
 	}
 
-	void parseCanonical(final RevWalk walk, final byte[] rawTag)
+	void parseCanonical(RevWalk walk, byte[] rawTag)
 			throws CorruptObjectException {
 		final MutableInteger pos = new MutableInteger();
 		final int oType;
@@ -169,7 +169,7 @@
 
 		int p = pos.value += 4; // "tag "
 		final int nameEnd = RawParseUtils.nextLF(rawTag, p) - 1;
-		tagName = RawParseUtils.decode(UTF_8, rawTag, p, nameEnd);
+		tagName = RawParseUtils.decode(CHARSET, rawTag, p, nameEnd);
 
 		if (walk.isRetainBody())
 			buffer = rawTag;
@@ -257,7 +257,7 @@
 		try {
 			return RawParseUtils.parseEncoding(buffer);
 		} catch (IllegalCharsetNameException | UnsupportedCharsetException e) {
-			return UTF_8;
+			return CHARSET;
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTree.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTree.java
index 92b81a1..e7de270 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTree.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevTree.java
@@ -62,7 +62,7 @@
 	 * @param id
 	 *            object name for the tree.
 	 */
-	protected RevTree(final AnyObjectId id) {
+	protected RevTree(AnyObjectId id) {
 		super(id);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
index 91c15a1..a986cfd 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RevWalk.java
@@ -209,7 +209,7 @@
 	 *            ObjectReader will be created by the walker, and will be closed
 	 *            when the walker is closed.
 	 */
-	public RevWalk(final Repository repo) {
+	public RevWalk(Repository repo) {
 		this(repo.newObjectReader(), true);
 	}
 
@@ -294,7 +294,7 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public void markStart(final RevCommit c) throws MissingObjectException,
+	public void markStart(RevCommit c) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		if ((c.flags & SEEN) != 0)
 			return;
@@ -324,10 +324,10 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public void markStart(final Collection<RevCommit> list)
+	public void markStart(Collection<RevCommit> list)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
-		for (final RevCommit c : list)
+		for (RevCommit c : list)
 			markStart(c);
 	}
 
@@ -364,7 +364,7 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public void markUninteresting(final RevCommit c)
+	public void markUninteresting(RevCommit c)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		c.flags |= UNINTERESTING;
@@ -402,7 +402,7 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public boolean isMergedInto(final RevCommit base, final RevCommit tip)
+	public boolean isMergedInto(RevCommit base, RevCommit tip)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		final RevFilter oldRF = filter;
@@ -475,7 +475,7 @@
 	 * @param s
 	 *            a sorting strategy to enable.
 	 */
-	public void sort(final RevSort s) {
+	public void sort(RevSort s) {
 		assertNotStarted();
 		sorting.clear();
 		sorting.add(s);
@@ -496,7 +496,7 @@
 	 *            true if this strategy should be used, false if it should be
 	 *            removed.
 	 */
-	public void sort(final RevSort s, final boolean use) {
+	public void sort(RevSort s, boolean use) {
 		assertNotStarted();
 		if (use)
 			sorting.add(s);
@@ -541,7 +541,7 @@
 	 * @see org.eclipse.jgit.revwalk.filter.AndRevFilter
 	 * @see org.eclipse.jgit.revwalk.filter.OrRevFilter
 	 */
-	public void setRevFilter(final RevFilter newFilter) {
+	public void setRevFilter(RevFilter newFilter) {
 		assertNotStarted();
 		filter = newFilter != null ? newFilter : RevFilter.ALL;
 	}
@@ -582,7 +582,7 @@
 	 *            will be used instead, as it matches everything.
 	 * @see org.eclipse.jgit.treewalk.filter.PathFilter
 	 */
-	public void setTreeFilter(final TreeFilter newFilter) {
+	public void setTreeFilter(TreeFilter newFilter) {
 		assertNotStarted();
 		treeFilter = newFilter != null ? newFilter : TreeFilter.ALL;
 	}
@@ -638,7 +638,7 @@
 	 * @param retain
 	 *            true to retain bodies; false to discard them early.
 	 */
-	public void setRetainBody(final boolean retain) {
+	public void setRetainBody(boolean retain) {
 		retainBody = retain;
 	}
 
@@ -653,7 +653,7 @@
 	 * @return reference to the blob object. Never null.
 	 */
 	@NonNull
-	public RevBlob lookupBlob(final AnyObjectId id) {
+	public RevBlob lookupBlob(AnyObjectId id) {
 		RevBlob c = (RevBlob) objects.get(id);
 		if (c == null) {
 			c = new RevBlob(id);
@@ -673,7 +673,7 @@
 	 * @return reference to the tree object. Never null.
 	 */
 	@NonNull
-	public RevTree lookupTree(final AnyObjectId id) {
+	public RevTree lookupTree(AnyObjectId id) {
 		RevTree c = (RevTree) objects.get(id);
 		if (c == null) {
 			c = new RevTree(id);
@@ -696,7 +696,7 @@
 	 * @return reference to the commit object. Never null.
 	 */
 	@NonNull
-	public RevCommit lookupCommit(final AnyObjectId id) {
+	public RevCommit lookupCommit(AnyObjectId id) {
 		RevCommit c = (RevCommit) objects.get(id);
 		if (c == null) {
 			c = createCommit(id);
@@ -716,7 +716,7 @@
 	 * @return reference to the tag object. Never null.
 	 */
 	@NonNull
-	public RevTag lookupTag(final AnyObjectId id) {
+	public RevTag lookupTag(AnyObjectId id) {
 		RevTag c = (RevTag) objects.get(id);
 		if (c == null) {
 			c = new RevTag(id);
@@ -738,7 +738,7 @@
 	 * @return reference to the object. Never null.
 	 */
 	@NonNull
-	public RevObject lookupAny(final AnyObjectId id, final int type) {
+	public RevObject lookupAny(AnyObjectId id, int type) {
 		RevObject r = objects.get(id);
 		if (r == null) {
 			switch (type) {
@@ -793,7 +793,7 @@
 	 *             a pack file or loose object could not be read.
 	 */
 	@NonNull
-	public RevCommit parseCommit(final AnyObjectId id)
+	public RevCommit parseCommit(AnyObjectId id)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		RevObject c = peel(parseAny(id));
@@ -821,7 +821,7 @@
 	 *             a pack file or loose object could not be read.
 	 */
 	@NonNull
-	public RevTree parseTree(final AnyObjectId id)
+	public RevTree parseTree(AnyObjectId id)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		RevObject c = peel(parseAny(id));
@@ -856,7 +856,7 @@
 	 *             a pack file or loose object could not be read.
 	 */
 	@NonNull
-	public RevTag parseTag(final AnyObjectId id) throws MissingObjectException,
+	public RevTag parseTag(AnyObjectId id) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		RevObject c = parseAny(id);
 		if (!(c instanceof RevTag))
@@ -882,7 +882,7 @@
 	 *             a pack file or loose object could not be read.
 	 */
 	@NonNull
-	public RevObject parseAny(final AnyObjectId id)
+	public RevObject parseAny(AnyObjectId id)
 			throws MissingObjectException, IOException {
 		RevObject r = objects.get(id);
 		if (r == null)
@@ -1040,7 +1040,7 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public void parseHeaders(final RevObject obj)
+	public void parseHeaders(RevObject obj)
 			throws MissingObjectException, IOException {
 		if ((obj.flags & PARSED) == 0)
 			obj.parseHeaders(this);
@@ -1059,7 +1059,7 @@
 	 * @throws java.io.IOException
 	 *             a pack file or loose object could not be read.
 	 */
-	public void parseBody(final RevObject obj)
+	public void parseBody(RevObject obj)
 			throws MissingObjectException, IOException {
 		obj.parseBody(this);
 	}
@@ -1100,7 +1100,7 @@
 	 * @throws java.lang.IllegalArgumentException
 	 *             too many flags have been reserved on this revision walker.
 	 */
-	public RevFlag newFlag(final String name) {
+	public RevFlag newFlag(String name) {
 		final int m = allocFlag();
 		return new RevFlag(this, name, m);
 	}
@@ -1124,7 +1124,7 @@
 	 * @param flag
 	 *            the flag to carry onto parents, if set on a descendant.
 	 */
-	public void carry(final RevFlag flag) {
+	public void carry(RevFlag flag) {
 		if ((freeFlags & flag.mask) != 0)
 			throw new IllegalArgumentException(MessageFormat.format(JGitText.get().flagIsDisposed, flag.name));
 		if (flag.walker != this)
@@ -1141,8 +1141,8 @@
 	 * @param set
 	 *            the flags to carry onto parents, if set on a descendant.
 	 */
-	public void carry(final Collection<RevFlag> set) {
-		for (final RevFlag flag : set)
+	public void carry(Collection<RevFlag> set) {
+		for (RevFlag flag : set)
 			carry(flag);
 	}
 
@@ -1200,11 +1200,11 @@
 	 * @param flag
 	 *            the to recycle.
 	 */
-	public void disposeFlag(final RevFlag flag) {
+	public void disposeFlag(RevFlag flag) {
 		freeFlag(flag.mask);
 	}
 
-	void freeFlag(final int mask) {
+	void freeFlag(int mask) {
 		retainOnReset &= ~mask;
 		if (isNotStarted()) {
 			freeFlags |= mask;
@@ -1244,7 +1244,7 @@
 	 *            application flags that should <b>not</b> be cleared from
 	 *            existing commit objects.
 	 */
-	public final void resetRetain(final RevFlagSet retainFlags) {
+	public final void resetRetain(RevFlagSet retainFlags) {
 		reset(retainFlags.mask);
 	}
 
@@ -1262,9 +1262,9 @@
 	 *            application flags that should <b>not</b> be cleared from
 	 *            existing commit objects.
 	 */
-	public final void resetRetain(final RevFlag... retainFlags) {
+	public final void resetRetain(RevFlag... retainFlags) {
 		int mask = 0;
-		for (final RevFlag flag : retainFlags)
+		for (RevFlag flag : retainFlags)
 			mask |= flag.mask;
 		reset(mask);
 	}
@@ -1286,7 +1286,7 @@
 		final int clearFlags = ~retainFlags;
 
 		final FIFORevQueue q = new FIFORevQueue();
-		for (final RevCommit c : roots) {
+		for (RevCommit c : roots) {
 			if ((c.flags & clearFlags) == 0)
 				continue;
 			c.flags &= retainFlags;
@@ -1300,7 +1300,7 @@
 				break;
 			if (c.parents == null)
 				continue;
-			for (final RevCommit p : c.parents) {
+			for (RevCommit p : c.parents) {
 				if ((p.flags & clearFlags) == 0)
 					continue;
 				p.flags &= retainFlags;
@@ -1435,11 +1435,11 @@
 	 *            the object this walker requires a commit reference for.
 	 * @return a new unparsed reference for the object.
 	 */
-	protected RevCommit createCommit(final AnyObjectId id) {
+	protected RevCommit createCommit(AnyObjectId id) {
 		return new RevCommit(id);
 	}
 
-	void carryFlagsImpl(final RevCommit c) {
+	void carryFlagsImpl(RevCommit c) {
 		final int carry = c.flags & carryFlags;
 		if (carry != 0)
 			RevCommit.carryFlags(c, carry);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RewriteGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RewriteGenerator.java
index f82301a..1c868ff 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RewriteGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/RewriteGenerator.java
@@ -76,12 +76,12 @@
 
 	private final Generator source;
 
-	RewriteGenerator(final Generator s) {
+	RewriteGenerator(Generator s) {
 		source = s;
 	}
 
 	@Override
-	void shareFreeList(final BlockRevQueue q) {
+	void shareFreeList(BlockRevQueue q) {
 		source.shareFreeList(q);
 	}
 
@@ -148,7 +148,7 @@
 		}
 	}
 
-	private RevCommit[] cleanup(final RevCommit[] oldList) {
+	private RevCommit[] cleanup(RevCommit[] oldList) {
 		// Remove any duplicate parents caused due to rewrites (e.g. a merge
 		// with two sides that both simplified back into the merge base).
 		// We also may have deleted a parent by marking it null.
@@ -167,14 +167,14 @@
 		}
 
 		if (newCnt == oldList.length) {
-			for (final RevCommit p : oldList)
+			for (RevCommit p : oldList)
 				p.flags &= ~DUPLICATE;
 			return oldList;
 		}
 
 		final RevCommit[] newList = new RevCommit[newCnt];
 		newCnt = 0;
-		for (final RevCommit p : oldList) {
+		for (RevCommit p : oldList) {
 			if (p != null) {
 				newList[newCnt++] = p;
 				p.flags &= ~DUPLICATE;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/StartGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/StartGenerator.java
index 1ec6290..eb129a2 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/StartGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/StartGenerator.java
@@ -66,7 +66,7 @@
 class StartGenerator extends Generator {
 	private final RevWalk walker;
 
-	StartGenerator(final RevWalk w) {
+	StartGenerator(RevWalk w) {
 		walker = w;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TopoSortGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TopoSortGenerator.java
index 7b11d04..6450343 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TopoSortGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TopoSortGenerator.java
@@ -69,7 +69,7 @@
 	 * @throws IncorrectObjectTypeException
 	 * @throws IOException
 	 */
-	TopoSortGenerator(final Generator s) throws MissingObjectException,
+	TopoSortGenerator(Generator s) throws MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		pending = new FIFORevQueue();
 		outputType = s.outputType() | SORT_TOPO;
@@ -78,7 +78,7 @@
 			final RevCommit c = s.next();
 			if (c == null)
 				break;
-			for (final RevCommit p : c.parents)
+			for (RevCommit p : c.parents)
 				p.inDegree++;
 			pending.add(c);
 		}
@@ -90,7 +90,7 @@
 	}
 
 	@Override
-	void shareFreeList(final BlockRevQueue q) {
+	void shareFreeList(BlockRevQueue q) {
 		q.shareFreeList(pending);
 	}
 
@@ -113,7 +113,7 @@
 			// All of our children have already produced,
 			// so it is OK for us to produce now as well.
 			//
-			for (final RevCommit p : c.parents) {
+			for (RevCommit p : c.parents) {
 				if (--p.inDegree == 0 && (p.flags & TOPO_DELAY) != 0) {
 					// This parent tried to come before us, but we are
 					// his last child. unpop the parent so it goes right
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TreeRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TreeRevFilter.java
index 99c5d59..1130153 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TreeRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/TreeRevFilter.java
@@ -89,7 +89,7 @@
 	 *            replaced with a new filter following new paths after a rename.
 	 * @since 3.5
 	 */
-	public TreeRevFilter(final RevWalk walker, final TreeFilter t) {
+	public TreeRevFilter(RevWalk walker, TreeFilter t) {
 		this(walker, t, 0);
 	}
 
@@ -132,7 +132,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final RevWalk walker, final RevCommit c)
+	public boolean include(RevWalk walker, RevCommit c)
 			throws StopWalkException, MissingObjectException,
 			IncorrectObjectTypeException, IOException {
 		// Reset the tree filter to scan this commit and parents.
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AndRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AndRevFilter.java
index 0019e0c..dfb83b4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AndRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AndRevFilter.java
@@ -72,7 +72,7 @@
 	 *            second filter to test.
 	 * @return a filter that must match both input filters.
 	 */
-	public static RevFilter create(final RevFilter a, final RevFilter b) {
+	public static RevFilter create(RevFilter a, RevFilter b) {
 		if (a == ALL)
 			return b;
 		if (b == ALL)
@@ -88,7 +88,7 @@
 	 *            filters.
 	 * @return a filter that must match all input filters.
 	 */
-	public static RevFilter create(final RevFilter[] list) {
+	public static RevFilter create(RevFilter[] list) {
 		if (list.length == 2)
 			return create(list[0], list[1]);
 		if (list.length < 2)
@@ -106,7 +106,7 @@
 	 *            filters.
 	 * @return a filter that must match all input filters.
 	 */
-	public static RevFilter create(final Collection<RevFilter> list) {
+	public static RevFilter create(Collection<RevFilter> list) {
 		if (list.size() < 2)
 			throw new IllegalArgumentException(JGitText.get().atLeastTwoFiltersNeeded);
 		final RevFilter[] subfilters = new RevFilter[list.size()];
@@ -123,7 +123,7 @@
 
 		private final boolean requiresCommitBody;
 
-		Binary(final RevFilter one, final RevFilter two) {
+		Binary(RevFilter one, RevFilter two) {
 			a = one;
 			b = two;
 			requiresCommitBody = a.requiresCommitBody()
@@ -131,7 +131,7 @@
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return a.include(walker, c) && b.include(walker, c);
@@ -159,7 +159,7 @@
 
 		private final boolean requiresCommitBody;
 
-		List(final RevFilter[] list) {
+		List(RevFilter[] list) {
 			subfilters = list;
 
 			boolean rcb = false;
@@ -169,10 +169,10 @@
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
-			for (final RevFilter f : subfilters) {
+			for (RevFilter f : subfilters) {
 				if (!f.include(walker, c))
 					return false;
 			}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AuthorRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AuthorRevFilter.java
index e00feaf..334d4f0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AuthorRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/AuthorRevFilter.java
@@ -81,7 +81,7 @@
 		// Don't permit us to be created.
 	}
 
-	static RawCharSequence textFor(final RevCommit cmit) {
+	static RawCharSequence textFor(RevCommit cmit) {
 		final byte[] raw = cmit.getRawBuffer();
 		final int b = RawParseUtils.author(raw, 0);
 		if (b < 0)
@@ -91,12 +91,12 @@
 	}
 
 	private static class PatternSearch extends PatternMatchRevFilter {
-		PatternSearch(final String patternText) {
+		PatternSearch(String patternText) {
 			super(patternText, true, true, Pattern.CASE_INSENSITIVE);
 		}
 
 		@Override
-		protected CharSequence text(final RevCommit cmit) {
+		protected CharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 
@@ -107,12 +107,12 @@
 	}
 
 	private static class SubStringSearch extends SubStringRevFilter {
-		SubStringSearch(final String patternText) {
+		SubStringSearch(String patternText) {
 			super(patternText);
 		}
 
 		@Override
-		protected RawCharSequence text(final RevCommit cmit) {
+		protected RawCharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitTimeRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitTimeRevFilter.java
index 9f4f10f..3880515 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitTimeRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitTimeRevFilter.java
@@ -64,7 +64,7 @@
 	 *            the point in time to cut on.
 	 * @return a new filter to select commits on or before <code>ts</code>.
 	 */
-	public static final RevFilter before(final Date ts) {
+	public static final RevFilter before(Date ts) {
 		return before(ts.getTime());
 	}
 
@@ -75,7 +75,7 @@
 	 *            the point in time to cut on, in milliseconds
 	 * @return a new filter to select commits on or before <code>ts</code>.
 	 */
-	public static final RevFilter before(final long ts) {
+	public static final RevFilter before(long ts) {
 		return new Before(ts);
 	}
 
@@ -86,7 +86,7 @@
 	 *            the point in time to cut on.
 	 * @return a new filter to select commits on or after <code>ts</code>.
 	 */
-	public static final RevFilter after(final Date ts) {
+	public static final RevFilter after(Date ts) {
 		return after(ts.getTime());
 	}
 
@@ -97,7 +97,7 @@
 	 *            the point in time to cut on, in milliseconds.
 	 * @return a new filter to select commits on or after <code>ts</code>.
 	 */
-	public static final RevFilter after(final long ts) {
+	public static final RevFilter after(long ts) {
 		return new After(ts);
 	}
 
@@ -109,7 +109,7 @@
 	 * @param until the point in time to cut off.
 	 * @return a new filter to select commits between the given date/times.
 	 */
-	public static final RevFilter between(final Date since, final Date until) {
+	public static final RevFilter between(Date since, Date until) {
 		return between(since.getTime(), until.getTime());
 	}
 
@@ -121,13 +121,13 @@
 	 * @param until the point in time to cut off, in millisconds.
 	 * @return a new filter to select commits between the given date/times.
 	 */
-	public static final RevFilter between(final long since, final long until) {
+	public static final RevFilter between(long since, long until) {
 		return new Between(since, until);
 	}
 
 	final int when;
 
-	CommitTimeRevFilter(final long ts) {
+	CommitTimeRevFilter(long ts) {
 		when = (int) (ts / 1000);
 	}
 
@@ -144,12 +144,12 @@
 	}
 
 	private static class Before extends CommitTimeRevFilter {
-		Before(final long ts) {
+		Before(long ts) {
 			super(ts);
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit cmit)
+		public boolean include(RevWalk walker, RevCommit cmit)
 				throws StopWalkException, MissingObjectException,
 				IncorrectObjectTypeException, IOException {
 			return cmit.getCommitTime() <= when;
@@ -163,12 +163,12 @@
 	}
 
 	private static class After extends CommitTimeRevFilter {
-		After(final long ts) {
+		After(long ts) {
 			super(ts);
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit cmit)
+		public boolean include(RevWalk walker, RevCommit cmit)
 				throws StopWalkException, MissingObjectException,
 				IncorrectObjectTypeException, IOException {
 			// Since the walker sorts commits by commit time we can be
@@ -190,13 +190,13 @@
 	private static class Between extends CommitTimeRevFilter {
 		private final int until;
 
-		Between(final long since, final long until) {
+		Between(long since, long until) {
 			super(since);
 			this.until = (int) (until / 1000);
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit cmit)
+		public boolean include(RevWalk walker, RevCommit cmit)
 				throws StopWalkException, MissingObjectException,
 				IncorrectObjectTypeException, IOException {
 			return cmit.getCommitTime() <= until && cmit.getCommitTime() >= when;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitterRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitterRevFilter.java
index 4a1b3a6..37c840e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitterRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/CommitterRevFilter.java
@@ -81,7 +81,7 @@
 		// Don't permit us to be created.
 	}
 
-	static RawCharSequence textFor(final RevCommit cmit) {
+	static RawCharSequence textFor(RevCommit cmit) {
 		final byte[] raw = cmit.getRawBuffer();
 		final int b = RawParseUtils.committer(raw, 0);
 		if (b < 0)
@@ -91,12 +91,12 @@
 	}
 
 	private static class PatternSearch extends PatternMatchRevFilter {
-		PatternSearch(final String patternText) {
+		PatternSearch(String patternText) {
 			super(patternText, true, true, Pattern.CASE_INSENSITIVE);
 		}
 
 		@Override
-		protected CharSequence text(final RevCommit cmit) {
+		protected CharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 
@@ -107,12 +107,12 @@
 	}
 
 	private static class SubStringSearch extends SubStringRevFilter {
-		SubStringSearch(final String patternText) {
+		SubStringSearch(String patternText) {
 			super(patternText);
 		}
 
 		@Override
-		protected RawCharSequence text(final RevCommit cmit) {
+		protected RawCharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/MessageRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/MessageRevFilter.java
index f1f4065..480aaa3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/MessageRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/MessageRevFilter.java
@@ -81,7 +81,7 @@
 		// Don't permit us to be created.
 	}
 
-	static RawCharSequence textFor(final RevCommit cmit) {
+	static RawCharSequence textFor(RevCommit cmit) {
 		final byte[] raw = cmit.getRawBuffer();
 		final int b = RawParseUtils.commitMessage(raw, 0);
 		if (b < 0)
@@ -90,13 +90,13 @@
 	}
 
 	private static class PatternSearch extends PatternMatchRevFilter {
-		PatternSearch(final String patternText) {
+		PatternSearch(String patternText) {
 			super(patternText, true, true, Pattern.CASE_INSENSITIVE
 					| Pattern.DOTALL);
 		}
 
 		@Override
-		protected CharSequence text(final RevCommit cmit) {
+		protected CharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 
@@ -107,12 +107,12 @@
 	}
 
 	private static class SubStringSearch extends SubStringRevFilter {
-		SubStringSearch(final String patternText) {
+		SubStringSearch(String patternText) {
 			super(patternText);
 		}
 
 		@Override
-		protected RawCharSequence text(final RevCommit cmit) {
+		protected RawCharSequence text(RevCommit cmit) {
 			return textFor(cmit);
 		}
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/NotRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/NotRevFilter.java
index 84b7f6b..69dec56 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/NotRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/NotRevFilter.java
@@ -61,13 +61,13 @@
 	 *            filter to negate.
 	 * @return a filter that does the reverse of <code>a</code>.
 	 */
-	public static RevFilter create(final RevFilter a) {
+	public static RevFilter create(RevFilter a) {
 		return new NotRevFilter(a);
 	}
 
 	private final RevFilter a;
 
-	private NotRevFilter(final RevFilter one) {
+	private NotRevFilter(RevFilter one) {
 		a = one;
 	}
 
@@ -79,7 +79,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final RevWalk walker, final RevCommit c)
+	public boolean include(RevWalk walker, RevCommit c)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		return !a.include(walker, c);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/OrRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/OrRevFilter.java
index a14764a..1cef12f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/OrRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/OrRevFilter.java
@@ -72,7 +72,7 @@
 	 *            second filter to test.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static RevFilter create(final RevFilter a, final RevFilter b) {
+	public static RevFilter create(RevFilter a, RevFilter b) {
 		if (a == ALL || b == ALL)
 			return ALL;
 		return new Binary(a, b);
@@ -86,7 +86,7 @@
 	 *            filters.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static RevFilter create(final RevFilter[] list) {
+	public static RevFilter create(RevFilter[] list) {
 		if (list.length == 2)
 			return create(list[0], list[1]);
 		if (list.length < 2)
@@ -104,7 +104,7 @@
 	 *            filters.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static RevFilter create(final Collection<RevFilter> list) {
+	public static RevFilter create(Collection<RevFilter> list) {
 		if (list.size() < 2)
 			throw new IllegalArgumentException(JGitText.get().atLeastTwoFiltersNeeded);
 		final RevFilter[] subfilters = new RevFilter[list.size()];
@@ -121,7 +121,7 @@
 
 		private final boolean requiresCommitBody;
 
-		Binary(final RevFilter one, final RevFilter two) {
+		Binary(RevFilter one, RevFilter two) {
 			a = one;
 			b = two;
 			requiresCommitBody = a.requiresCommitBody()
@@ -129,7 +129,7 @@
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return a.include(walker, c) || b.include(walker, c);
@@ -157,7 +157,7 @@
 
 		private final boolean requiresCommitBody;
 
-		List(final RevFilter[] list) {
+		List(RevFilter[] list) {
 			subfilters = list;
 
 			boolean rcb = false;
@@ -167,10 +167,10 @@
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
-			for (final RevFilter f : subfilters) {
+			for (RevFilter f : subfilters) {
 				if (f.include(walker, c))
 					return true;
 			}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/PatternMatchRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/PatternMatchRevFilter.java
index edce224..4f41edf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/PatternMatchRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/PatternMatchRevFilter.java
@@ -72,7 +72,7 @@
 	 * @return same pattern, but re-encoded to match our funny raw UTF-8
 	 *         character sequence {@link org.eclipse.jgit.util.RawCharSequence}.
 	 */
-	protected static final String forceToRaw(final String patternText) {
+	protected static final String forceToRaw(String patternText) {
 		final byte[] b = Constants.encode(patternText);
 		final StringBuilder needle = new StringBuilder(b.length);
 		for (int i = 0; i < b.length; i++)
@@ -128,7 +128,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final RevWalk walker, final RevCommit cmit)
+	public boolean include(RevWalk walker, RevCommit cmit)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		return compiledPattern.reset(text(cmit)).matches();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFilter.java
index 9068c57..39f0d60 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFilter.java
@@ -103,7 +103,7 @@
 
 	private static final class AllFilter extends RevFilter {
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c) {
+		public boolean include(RevWalk walker, RevCommit c) {
 			return true;
 		}
 
@@ -128,7 +128,7 @@
 
 	private static final class NoneFilter extends RevFilter {
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c) {
+		public boolean include(RevWalk walker, RevCommit c) {
 			return false;
 		}
 
@@ -184,7 +184,7 @@
 
 	private static final class NoMergesFilter extends RevFilter {
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c) {
+		public boolean include(RevWalk walker, RevCommit c) {
 			return c.getParentCount() < 2;
 		}
 
@@ -216,7 +216,7 @@
 
 	private static final class MergeBaseFilter extends RevFilter {
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c) {
+		public boolean include(RevWalk walker, RevCommit c) {
 			throw new UnsupportedOperationException(JGitText.get().cannotBeCombined);
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFlagFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFlagFilter.java
index 8225e4d..c67c44b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFlagFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/RevFlagFilter.java
@@ -63,7 +63,7 @@
 	 *            the flag to test.
 	 * @return filter that selects only commits with flag <code>a</code>.
 	 */
-	public static RevFilter has(final RevFlag a) {
+	public static RevFilter has(RevFlag a) {
 		final RevFlagSet s = new RevFlagSet();
 		s.add(a);
 		return new HasAll(s);
@@ -76,9 +76,9 @@
 	 *            set of flags to test.
 	 * @return filter that selects only commits with all flags in <code>a</code>.
 	 */
-	public static RevFilter hasAll(final RevFlag... a) {
+	public static RevFilter hasAll(RevFlag... a) {
 		final RevFlagSet set = new RevFlagSet();
-		for (final RevFlag flag : a)
+		for (RevFlag flag : a)
 			set.add(flag);
 		return new HasAll(set);
 	}
@@ -90,7 +90,7 @@
 	 *            set of flags to test.
 	 * @return filter that selects only commits with all flags in <code>a</code>.
 	 */
-	public static RevFilter hasAll(final RevFlagSet a) {
+	public static RevFilter hasAll(RevFlagSet a) {
 		return new HasAll(new RevFlagSet(a));
 	}
 
@@ -101,9 +101,9 @@
 	 *            set of flags to test.
 	 * @return filter that selects only commits with any flag in <code>a</code>.
 	 */
-	public static RevFilter hasAny(final RevFlag... a) {
+	public static RevFilter hasAny(RevFlag... a) {
 		final RevFlagSet set = new RevFlagSet();
-		for (final RevFlag flag : a)
+		for (RevFlag flag : a)
 			set.add(flag);
 		return new HasAny(set);
 	}
@@ -115,13 +115,13 @@
 	 *            set of flags to test.
 	 * @return filter that selects only commits with any flag in <code>a</code>.
 	 */
-	public static RevFilter hasAny(final RevFlagSet a) {
+	public static RevFilter hasAny(RevFlagSet a) {
 		return new HasAny(new RevFlagSet(a));
 	}
 
 	final RevFlagSet flags;
 
-	RevFlagFilter(final RevFlagSet m) {
+	RevFlagFilter(RevFlagSet m) {
 		flags = m;
 	}
 
@@ -138,12 +138,12 @@
 	}
 
 	private static class HasAll extends RevFlagFilter {
-		HasAll(final RevFlagSet m) {
+		HasAll(RevFlagSet m) {
 			super(m);
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return c.hasAll(flags);
@@ -156,12 +156,12 @@
 	}
 
 	private static class HasAny extends RevFlagFilter {
-		HasAny(final RevFlagSet m) {
+		HasAny(RevFlagSet m) {
 			super(m);
 		}
 
 		@Override
-		public boolean include(final RevWalk walker, final RevCommit c)
+		public boolean include(RevWalk walker, RevCommit c)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return c.hasAny(flags);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/SubStringRevFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/SubStringRevFilter.java
index 3e6b148..54650da 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/SubStringRevFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/revwalk/filter/SubStringRevFilter.java
@@ -65,7 +65,7 @@
 	 *         if {@link org.eclipse.jgit.revwalk.filter.PatternMatchRevFilter}
 	 *         must be used instead.
 	 */
-	public static boolean safe(final String pattern) {
+	public static boolean safe(String pattern) {
 		for (int i = 0; i < pattern.length(); i++) {
 			final char c = pattern.charAt(i);
 			switch (c) {
@@ -96,13 +96,13 @@
 	 *            the {@link #safe(String)} as regular expression meta
 	 *            characters are treated as literals.
 	 */
-	protected SubStringRevFilter(final String patternText) {
+	protected SubStringRevFilter(String patternText) {
 		pattern = new RawSubStringPattern(patternText);
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final RevWalk walker, final RevCommit cmit)
+	public boolean include(RevWalk walker, RevCommit cmit)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		return pattern.match(text(cmit)) >= 0;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
index 3f064e3..4b272ba 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/FileBasedConfig.java
@@ -49,6 +49,8 @@
 
 package org.eclipse.jgit.storage.file;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileNotFoundException;
@@ -164,8 +166,8 @@
 				} else {
 					final String decoded;
 					if (isUtf8(in)) {
-						decoded = RawParseUtils.decode(
-								RawParseUtils.UTF8_CHARSET, in, 3, in.length);
+						decoded = RawParseUtils.decode(CHARSET,
+								in, 3, in.length);
 						utf8Bom = true;
 					} else {
 						decoded = RawParseUtils.decode(in);
@@ -222,7 +224,7 @@
 			bos.write(0xEF);
 			bos.write(0xBB);
 			bos.write(0xBF);
-			bos.write(text.getBytes(RawParseUtils.UTF8_CHARSET.name()));
+			bos.write(text.getBytes(CHARSET));
 			out = bos.toByteArray();
 		} else {
 			out = Constants.encode(text);
@@ -252,7 +254,7 @@
 		super.clear();
 	}
 
-	private static ObjectId hash(final byte[] rawText) {
+	private static ObjectId hash(byte[] rawText) {
 		return ObjectId.fromRaw(Constants.newMessageDigest().digest(rawText));
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
index 19fc63e..c2e6a42 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/file/WindowCacheConfig.java
@@ -98,7 +98,7 @@
 	 *            maximum number of streams to open at a time. Open packs count
 	 *            against the process limits
 	 */
-	public void setPackedGitOpenFiles(final int fdLimit) {
+	public void setPackedGitOpenFiles(int fdLimit) {
 		packedGitOpenFiles = fdLimit;
 	}
 
@@ -121,7 +121,7 @@
 	 *            maximum number bytes of heap memory to dedicate to caching
 	 *            pack file data.
 	 */
-	public void setPackedGitLimit(final long newLimit) {
+	public void setPackedGitLimit(long newLimit) {
 		packedGitLimit = newLimit;
 	}
 
@@ -142,7 +142,7 @@
 	 * @param newSize
 	 *            size in bytes of a single window read in from the pack file.
 	 */
-	public void setPackedGitWindowSize(final int newSize) {
+	public void setPackedGitWindowSize(int newSize) {
 		packedGitWindowSize = newSize;
 	}
 
@@ -165,7 +165,7 @@
 	 *            for windows; false reads entire window into a byte[] with
 	 *            standard read calls.
 	 */
-	public void setPackedGitMMAP(final boolean usemmap) {
+	public void setPackedGitMMAP(boolean usemmap) {
 		packedGitMMAP = usemmap;
 	}
 
@@ -189,7 +189,7 @@
 	 *            maximum number of bytes to cache in delta base cache for
 	 *            inflated, recently accessed objects, without delta chains.
 	 */
-	public void setDeltaBaseCacheLimit(final int newLimit) {
+	public void setDeltaBaseCacheLimit(int newLimit) {
 		deltaBaseCacheLimit = newLimit;
 	}
 
@@ -211,7 +211,7 @@
 	 *            array, while objects bigger than this size require using an
 	 *            {@link org.eclipse.jgit.lib.ObjectStream}.
 	 */
-	public void setStreamFileThreshold(final int newLimit) {
+	public void setStreamFileThreshold(int newLimit) {
 		streamFileThreshold = newLimit;
 	}
 
@@ -226,7 +226,7 @@
 	 * @return {@code this}.
 	 * @since 3.0
 	 */
-	public WindowCacheConfig fromConfig(final Config rc) {
+	public WindowCacheConfig fromConfig(Config rc) {
 		setPackedGitOpenFiles(rc.getInt(
 				"core", null, "packedgitopenfiles", getPackedGitOpenFiles())); //$NON-NLS-1$ //$NON-NLS-2$
 		setPackedGitLimit(rc.getLong(
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java
index 484cde2..256e41d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/storage/pack/PackConfig.java
@@ -1039,7 +1039,7 @@
 	 * @param rc
 	 *            configuration to read properties from.
 	 */
-	public void fromConfig(final Config rc) {
+	public void fromConfig(Config rc) {
 		setMaxDeltaDepth(rc.getInt("pack", "depth", getMaxDeltaDepth())); //$NON-NLS-1$ //$NON-NLS-2$
 		setDeltaSearchWindowSize(rc.getInt(
 				"pack", "window", getDeltaSearchWindowSize())); //$NON-NLS-1$ //$NON-NLS-2$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/submodule/SubmoduleWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/submodule/SubmoduleWalk.java
index 2314cf1..ce8995a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/submodule/SubmoduleWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/submodule/SubmoduleWalk.java
@@ -115,11 +115,13 @@
 	 *
 	 * @param repository
 	 *            a {@link org.eclipse.jgit.lib.Repository} object.
-	 * @return generator over submodule index entries
+	 * @return generator over submodule index entries. The caller is responsible
+	 *         for calling {@link #close()}.
 	 * @throws java.io.IOException
 	 */
 	public static SubmoduleWalk forIndex(Repository repository)
 			throws IOException {
+		@SuppressWarnings("resource") // The caller closes it
 		SubmoduleWalk generator = new SubmoduleWalk(repository);
 		try {
 			DirCache index = repository.readDirCache();
@@ -369,7 +371,7 @@
 	 *            the {@link org.eclipse.jgit.lib.Repository}.
 	 * @throws java.io.IOException
 	 */
-	public SubmoduleWalk(final Repository repository) throws IOException {
+	public SubmoduleWalk(Repository repository) throws IOException {
 		this.repository = repository;
 		repoConfig = repository.getConfig();
 		walk = new TreeWalk(repository);
@@ -386,7 +388,7 @@
 	 *            .gitmodules config object
 	 * @return this generator
 	 */
-	public SubmoduleWalk setModulesConfig(final Config config) {
+	public SubmoduleWalk setModulesConfig(Config config) {
 		modulesConfig = config;
 		loadPathNames();
 		return this;
@@ -405,7 +407,7 @@
 	 *            tree containing .gitmodules
 	 * @return this generator
 	 */
-	public SubmoduleWalk setRootTree(final AbstractTreeIterator tree) {
+	public SubmoduleWalk setRootTree(AbstractTreeIterator tree) {
 		rootTree = tree;
 		modulesConfig = null;
 		pathToName = null;
@@ -426,7 +428,7 @@
 	 * @return this generator
 	 * @throws java.io.IOException
 	 */
-	public SubmoduleWalk setRootTree(final AnyObjectId id) throws IOException {
+	public SubmoduleWalk setRootTree(AnyObjectId id) throws IOException {
 		final CanonicalTreeParser p = new CanonicalTreeParser();
 		p.reset(walk.getObjectReader(), id);
 		rootTree = p;
@@ -560,7 +562,7 @@
 	 * @return this generator
 	 * @throws org.eclipse.jgit.errors.CorruptObjectException
 	 */
-	public SubmoduleWalk setTree(final AbstractTreeIterator iterator)
+	public SubmoduleWalk setTree(AbstractTreeIterator iterator)
 			throws CorruptObjectException {
 		walk.addTree(iterator);
 		return this;
@@ -578,7 +580,7 @@
 	 * @throws MissingObjectException
 	 *             if any.
 	 */
-	public SubmoduleWalk setTree(final AnyObjectId treeId) throws IOException {
+	public SubmoduleWalk setTree(AnyObjectId treeId) throws IOException {
 		walk.addTree(treeId);
 		return this;
 	}
@@ -754,13 +756,11 @@
 	 * @throws java.io.IOException
 	 */
 	public ObjectId getHead() throws IOException {
-		Repository subRepo = getRepository();
-		if (subRepo == null)
-			return null;
-		try {
+		try (Repository subRepo = getRepository()) {
+			if (subRepo == null) {
+				return null;
+			}
 			return subRepo.resolve(Constants.HEAD);
-		} finally {
-			subRepo.close();
 		}
 	}
 
@@ -771,14 +771,12 @@
 	 * @throws java.io.IOException
 	 */
 	public String getHeadRef() throws IOException {
-		Repository subRepo = getRepository();
-		if (subRepo == null)
-			return null;
-		try {
+		try (Repository subRepo = getRepository()) {
+			if (subRepo == null) {
+				return null;
+			}
 			Ref head = subRepo.exactRef(Constants.HEAD);
 			return head != null ? head.getLeaf().getName() : null;
-		} finally {
-			subRepo.close();
 		}
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
index d7c5b9d..a0fc57c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AmazonS3.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -128,14 +128,14 @@
 		SIGNED_HEADERS.add("date"); //$NON-NLS-1$
 	}
 
-	private static boolean isSignedHeader(final String name) {
+	private static boolean isSignedHeader(String name) {
 		final String nameLC = StringUtils.toLowerCase(name);
 		return SIGNED_HEADERS.contains(nameLC) || nameLC.startsWith("x-amz-"); //$NON-NLS-1$
 	}
 
-	private static String toCleanString(final List<String> list) {
+	private static String toCleanString(List<String> list) {
 		final StringBuilder s = new StringBuilder();
-		for (final String v : list) {
+		for (String v : list) {
 			if (s.length() > 0)
 				s.append(',');
 			s.append(v.replaceAll("\n", "").trim()); //$NON-NLS-1$ //$NON-NLS-2$
@@ -143,7 +143,7 @@
 		return s.toString();
 	}
 
-	private static String remove(final Map<String, String> m, final String k) {
+	private static String remove(Map<String, String> m, String k) {
 		final String r = m.remove(k);
 		return r != null ? r : ""; //$NON-NLS-1$
 	}
@@ -283,7 +283,7 @@
 	 * @throws java.io.IOException
 	 *             sending the request was not possible.
 	 */
-	public URLConnection get(final String bucket, final String key)
+	public URLConnection get(String bucket, String key)
 			throws IOException {
 		for (int curAttempt = 0; curAttempt < maxAttempts; curAttempt++) {
 			final HttpURLConnection c = open("GET", bucket, key); //$NON-NLS-1$
@@ -312,7 +312,7 @@
 	 * @throws java.io.IOException
 	 *             decryption could not be configured.
 	 */
-	public InputStream decrypt(final URLConnection u) throws IOException {
+	public InputStream decrypt(URLConnection u) throws IOException {
 		return encryption.decrypt(u.getInputStream());
 	}
 
@@ -336,7 +336,7 @@
 	 *             sending the request was not possible, or the response XML
 	 *             document could not be parsed properly.
 	 */
-	public List<String> list(final String bucket, String prefix)
+	public List<String> list(String bucket, String prefix)
 			throws IOException {
 		if (prefix.length() > 0 && !prefix.endsWith("/")) //$NON-NLS-1$
 			prefix += "/"; //$NON-NLS-1$
@@ -359,7 +359,7 @@
 	 * @throws java.io.IOException
 	 *             deletion failed due to communications error.
 	 */
-	public void delete(final String bucket, final String key)
+	public void delete(String bucket, String key)
 			throws IOException {
 		for (int curAttempt = 0; curAttempt < maxAttempts; curAttempt++) {
 			final HttpURLConnection c = open("DELETE", bucket, key); //$NON-NLS-1$
@@ -396,7 +396,7 @@
 	 * @throws java.io.IOException
 	 *             creation/updating failed due to communications error.
 	 */
-	public void put(final String bucket, final String key, final byte[] data)
+	public void put(String bucket, String key, byte[] data)
 			throws IOException {
 		if (encryption != WalkEncryption.NONE) {
 			// We have to copy to produce the cipher text anyway so use
@@ -524,12 +524,11 @@
 				JGitText.get().amazonS3ActionFailed, action, key,
 				Integer.valueOf(HttpSupport.response(c)),
 				c.getResponseMessage()));
-		final InputStream errorStream = c.getErrorStream();
-		if (errorStream == null) {
+		if (c.getErrorStream() == null) {
 			return err;
 		}
 
-		try {
+		try (InputStream errorStream = c.getErrorStream()) {
 			final ByteArrayOutputStream b = new ByteArrayOutputStream();
 			byte[] buf = new byte[2048];
 			for (;;) {
@@ -545,13 +544,11 @@
 			if (buf.length > 0) {
 				err.initCause(new IOException("\n" + new String(buf))); //$NON-NLS-1$
 			}
-		} finally {
-			errorStream.close();
 		}
 		return err;
 	}
 
-	IOException maxAttempts(final String action, final String key) {
+	IOException maxAttempts(String action, String key) {
 		return new IOException(MessageFormat.format(
 				JGitText.get().amazonS3ActionFailedGivingUp, action, key,
 				Integer.valueOf(maxAttempts)));
@@ -600,10 +597,10 @@
 		return c;
 	}
 
-	void authorize(final HttpURLConnection c) throws IOException {
+	void authorize(HttpURLConnection c) throws IOException {
 		final Map<String, List<String>> reqHdr = c.getRequestProperties();
 		final SortedMap<String, String> sigHdr = new TreeMap<>();
-		for (final Map.Entry<String, List<String>> entry : reqHdr.entrySet()) {
+		for (Map.Entry<String, List<String>> entry : reqHdr.entrySet()) {
 			final String hdr = entry.getKey();
 			if (isSignedHeader(hdr))
 				sigHdr.put(StringUtils.toLowerCase(hdr), toCleanString(entry.getValue()));
@@ -622,7 +619,7 @@
 		s.append(remove(sigHdr, "date")); //$NON-NLS-1$
 		s.append('\n');
 
-		for (final Map.Entry<String, String> e : sigHdr.entrySet()) {
+		for (Map.Entry<String, String> e : sigHdr.entrySet()) {
 			s.append(e.getKey());
 			s.append(':');
 			s.append(e.getValue());
@@ -638,7 +635,7 @@
 		try {
 			final Mac m = Mac.getInstance(HMAC);
 			m.init(privateKey);
-			sec = Base64.encodeBytes(m.doFinal(s.toString().getBytes(UTF_8)));
+			sec = Base64.encodeBytes(m.doFinal(s.toString().getBytes(CHARSET)));
 		} catch (NoSuchAlgorithmException e) {
 			throw new IOException(MessageFormat.format(JGitText.get().noHMACsupport, HMAC, e.getMessage()));
 		} catch (InvalidKeyException e) {
@@ -647,7 +644,7 @@
 		c.setRequestProperty("Authorization", "AWS " + publicKey + ":" + sec); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 	}
 
-	static Properties properties(final File authFile)
+	static Properties properties(File authFile)
 			throws FileNotFoundException, IOException {
 		final Properties p = new Properties();
 		try (FileInputStream in = new FileInputStream(authFile)) {
@@ -667,7 +664,7 @@
 
 		private StringBuilder data;
 
-		ListParser(final String bn, final String p) {
+		ListParser(String bn, String p) {
 			bucket = bn;
 			prefix = p;
 		}
@@ -730,7 +727,7 @@
 		}
 
 		@Override
-		public void characters(final char[] ch, final int s, final int n)
+		public void characters(char[] ch, int s, int n)
 				throws SAXException {
 			if (data != null)
 				data.append(ch, s, n);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
index c8d1d22..f6045f6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseConnection.java
@@ -85,7 +85,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public final Ref getRef(final String name) {
+	public final Ref getRef(String name) {
 		return advertisedRefs.get(name);
 	}
 
@@ -132,7 +132,7 @@
 	 *            will be wrapped in an unmodifiable way to protect it, but it
 	 *            does not get copied.
 	 */
-	protected void available(final Map<String, Ref> all) {
+	protected void available(Map<String, Ref> all) {
 		advertisedRefs = Collections.unmodifiableMap(all);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
index e9227e3..38eae1c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackConnection.java
@@ -122,7 +122,7 @@
 	/** Extra objects the remote has, but which aren't offered as refs. */
 	protected final Set<ObjectId> additionalHaves = new HashSet<>();
 
-	BasePackConnection(final PackTransport packTransport) {
+	BasePackConnection(PackTransport packTransport) {
 		transport = (Transport) packTransport;
 		local = transport.local;
 		uri = transport.uri;
@@ -274,7 +274,7 @@
 	 *            option string
 	 * @return whether this option is supported
 	 */
-	protected boolean isCapableOf(final String option) {
+	protected boolean isCapableOf(String option) {
 		return remoteCapablities.contains(option);
 	}
 
@@ -287,7 +287,7 @@
 	 *            option we want
 	 * @return {@code true} if the requested option is supported
 	 */
-	protected boolean wantCapability(final StringBuilder b, final String option) {
+	protected boolean wantCapability(StringBuilder b, String option) {
 		if (!isCapableOf(option))
 			return false;
 		b.append(' ');
@@ -314,7 +314,7 @@
 		return UserAgent.getAgent(remoteCapablities, super.getPeerUserAgent());
 	}
 
-	private PackProtocolException duplicateAdvertisement(final String name) {
+	private PackProtocolException duplicateAdvertisement(String name) {
 		return new PackProtocolException(uri, MessageFormat.format(JGitText.get().duplicateAdvertisementsOf, name));
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
index 1383045..0dfcd87 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackFetchConnection.java
@@ -45,8 +45,6 @@
 
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -55,7 +53,6 @@
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
-import java.util.Map;
 import java.util.Set;
 
 import org.eclipse.jgit.errors.PackProtocolException;
@@ -200,6 +197,13 @@
 	 */
 	public static final String OPTION_ALLOW_REACHABLE_SHA1_IN_WANT = GitProtocolConstants.OPTION_ALLOW_REACHABLE_SHA1_IN_WANT;
 
+	/**
+	 * The client specified a filter expression.
+	 *
+	 * @since 5.0
+	 */
+	public static final String OPTION_FILTER = GitProtocolConstants.OPTION_FILTER;
+
 	private final RevWalk walk;
 
 	/** All commits that are immediately reachable by a local ref. */
@@ -242,13 +246,16 @@
 
 	private PacketLineOut pckState;
 
+	/** If not -1, the maximum blob size to be sent to the server. */
+	private final long filterBlobLimit;
+
 	/**
 	 * Create a new connection to fetch using the native git transport.
 	 *
 	 * @param packTransport
 	 *            the transport.
 	 */
-	public BasePackFetchConnection(final PackTransport packTransport) {
+	public BasePackFetchConnection(PackTransport packTransport) {
 		super(packTransport);
 
 		if (local != null) {
@@ -262,6 +269,7 @@
 		}
 		includeTags = transport.getTagOpt() != TagOpt.NO_TAGS;
 		thinPack = transport.isFetchThin();
+		filterBlobLimit = transport.getFilterBlobLimit();
 
 		if (local != null) {
 			walk = new RevWalk(local);
@@ -288,7 +296,7 @@
 
 		final boolean minimalNegotiation;
 
-		FetchConfig(final Config c) {
+		FetchConfig(Config c) {
 			allowOfsDelta = c.getBoolean("repack", "usedeltabaseoffset", true); //$NON-NLS-1$ //$NON-NLS-2$
 			minimalNegotiation = c.getBoolean("fetch", "useminimalnegotiation", //$NON-NLS-1$ //$NON-NLS-2$
 					false);
@@ -331,7 +339,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void setPackLockMessage(final String message) {
+	public void setPackLockMessage(String message) {
 		lockMessage = message;
 	}
 
@@ -410,9 +418,9 @@
 		return local.getConfig().get(FetchConfig::new);
 	}
 
-	private int maxTimeWanted(final Collection<Ref> wants) {
+	private int maxTimeWanted(Collection<Ref> wants) {
 		int maxTime = 0;
-		for (final Ref r : wants) {
+		for (Ref r : wants) {
 			try {
 				final RevObject obj = walk.parseAny(r.getObjectId());
 				if (obj instanceof RevCommit) {
@@ -427,10 +435,9 @@
 		return maxTime;
 	}
 
-	private void markReachable(final Set<ObjectId> have, final int maxTime)
+	private void markReachable(Set<ObjectId> have, int maxTime)
 			throws IOException {
-		Map<String, Ref> refs = local.getRefDatabase().getRefs(ALL);
-		for (final Ref r : refs.values()) {
+		for (Ref r : local.getRefDatabase().getRefs()) {
 			ObjectId id = r.getPeeledObjectId();
 			if (id == null)
 				id = r.getObjectId();
@@ -482,10 +489,10 @@
 		}
 	}
 
-	private boolean sendWants(final Collection<Ref> want) throws IOException {
+	private boolean sendWants(Collection<Ref> want) throws IOException {
 		final PacketLineOut p = statelessRPC ? pckState : pckOut;
 		boolean first = true;
-		for (final Ref r : want) {
+		for (Ref r : want) {
 			ObjectId objectId = r.getObjectId();
 			if (objectId == null) {
 				continue;
@@ -524,6 +531,11 @@
 		if (first) {
 			return false;
 		}
+		if (filterBlobLimit == 0) {
+			p.writeString(OPTION_FILTER + " blob:none"); //$NON-NLS-1$
+		} else if (filterBlobLimit > 0) {
+			p.writeString(OPTION_FILTER + " blob:limit=" + filterBlobLimit); //$NON-NLS-1$
+		}
 		p.end();
 		outNeedsEnd = false;
 		return true;
@@ -564,11 +576,16 @@
 					OPTION_MULTI_ACK_DETAILED));
 		}
 
+		if (filterBlobLimit >= 0 && !wantCapability(line, OPTION_FILTER)) {
+			throw new PackProtocolException(uri,
+					JGitText.get().filterRequiresCapability);
+		}
+
 		addUserAgentCapability(line);
 		return line.toString();
 	}
 
-	private void negotiate(final ProgressMonitor monitor) throws IOException,
+	private void negotiate(ProgressMonitor monitor) throws IOException,
 			CancelledException {
 		final MutableObjectId ackId = new MutableObjectId();
 		int resultsPending = 0;
@@ -768,7 +785,7 @@
 			}
 
 			@Override
-			public boolean include(final RevWalk walker, final RevCommit c) {
+			public boolean include(RevWalk walker, RevCommit c) {
 				final boolean remoteKnowsIsCommon = c.has(COMMON);
 				if (c.has(ADVERTISED)) {
 					// Remote advertised this, and we have it, hence common.
@@ -789,14 +806,14 @@
 	}
 
 	private void markRefsAdvertised() {
-		for (final Ref r : getRefs()) {
+		for (Ref r : getRefs()) {
 			markAdvertised(r.getObjectId());
 			if (r.getPeeledObjectId() != null)
 				markAdvertised(r.getPeeledObjectId());
 		}
 	}
 
-	private void markAdvertised(final AnyObjectId id) {
+	private void markAdvertised(AnyObjectId id) {
 		try {
 			walk.parseAny(id).add(ADVERTISED);
 		} catch (IOException readError) {
@@ -804,7 +821,7 @@
 		}
 	}
 
-	private void markCommon(final RevObject obj, final AckNackResult anr)
+	private void markCommon(RevObject obj, AckNackResult anr)
 			throws IOException {
 		if (statelessRPC && anr == AckNackResult.ACK_COMMON && !obj.has(STATE)) {
 			StringBuilder s;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
index ee6f29e..69624ff 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BasePackPushConnection.java
@@ -146,7 +146,7 @@
 	 * @param packTransport
 	 *            the transport.
 	 */
-	public BasePackPushConnection(final PackTransport packTransport) {
+	public BasePackPushConnection(PackTransport packTransport) {
 		super(packTransport);
 		thinPack = transport.isPushThin();
 		atomic = transport.isPushAtomic();
@@ -256,7 +256,7 @@
 							pushOptions.toString()));
 		}
 
-		for (final RemoteRefUpdate rru : refUpdates) {
+		for (RemoteRefUpdate rru : refUpdates) {
 			if (!capableDeleteRefs && rru.isDelete()) {
 				rru.setStatus(Status.REJECTED_NODELETE);
 				continue;
@@ -294,7 +294,7 @@
 	}
 
 	private void transmitOptions() throws IOException {
-		for (final String pushOption : pushOptions) {
+		for (String pushOption : pushOptions) {
 			pckOut.writeString(pushOption);
 		}
 
@@ -332,17 +332,17 @@
 		Set<ObjectId> remoteObjects = new HashSet<>();
 		Set<ObjectId> newObjects = new HashSet<>();
 
-		try (final PackWriter writer = new PackWriter(transport.getPackConfig(),
+		try (PackWriter writer = new PackWriter(transport.getPackConfig(),
 				local.newObjectReader())) {
 
-			for (final Ref r : getRefs()) {
+			for (Ref r : getRefs()) {
 				// only add objects that we actually have
 				ObjectId oid = r.getObjectId();
 				if (local.hasObject(oid))
 					remoteObjects.add(oid);
 			}
 			remoteObjects.addAll(additionalHaves);
-			for (final RemoteRefUpdate r : refUpdates.values()) {
+			for (RemoteRefUpdate r : refUpdates.values()) {
 				if (!ObjectId.zeroId().equals(r.getNewObjectId()))
 					newObjects.add(r.getNewObjectId());
 			}
@@ -365,7 +365,7 @@
 		}
 	}
 
-	private void readStatusReport(final Map<String, RemoteRefUpdate> refUpdates)
+	private void readStatusReport(Map<String, RemoteRefUpdate> refUpdates)
 			throws IOException {
 		final String unpackLine = readStringLongTimeout();
 		if (!unpackLine.startsWith("unpack ")) //$NON-NLS-1$
@@ -411,7 +411,7 @@
 				rru.setMessage(message);
 			}
 		}
-		for (final RemoteRefUpdate rru : refUpdates.values()) {
+		for (RemoteRefUpdate rru : refUpdates.values()) {
 			if (rru.getStatus() == Status.AWAITING_REPORT)
 				throw new PackProtocolException(MessageFormat.format(
 						JGitText.get().expectedReportForRefNotReceived , uri, rru.getRemoteName()));
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java
index 8f365fc..d3419bc 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BaseReceivePack.java
@@ -312,7 +312,7 @@
 	 * @param into
 	 *            the destination repository.
 	 */
-	protected BaseReceivePack(final Repository into) {
+	protected BaseReceivePack(Repository into) {
 		db = into;
 		walk = new RevWalk(db);
 
@@ -346,7 +346,7 @@
 		final long maxDiscardBytes;
 		final SignedPushConfig signedPush;
 
-		ReceiveConfig(final Config config) {
+		ReceiveConfig(Config config) {
 			allowCreates = true;
 			allowDeletes = !config.getBoolean("receive", "denydeletes", false); //$NON-NLS-1$ //$NON-NLS-2$
 			allowNonFastForwards = !config.getBoolean("receive", //$NON-NLS-1$
@@ -554,7 +554,7 @@
 	 *            commands before writing output and does not perform the
 	 *            initial advertising.
 	 */
-	public void setBiDirectionalPipe(final boolean twoWay) {
+	public void setBiDirectionalPipe(boolean twoWay) {
 		biDirectionalPipe = twoWay;
 	}
 
@@ -598,7 +598,7 @@
 	 *            assume all received objects are valid.
 	 * @see #setObjectChecker(ObjectChecker)
 	 */
-	public void setCheckReceivedObjects(final boolean check) {
+	public void setCheckReceivedObjects(boolean check) {
 		if (check && objectChecker == null)
 			setObjectChecker(new ObjectChecker());
 		else if (!check && objectChecker != null)
@@ -632,7 +632,7 @@
 	 * @param canCreate
 	 *            {@code true} to permit create ref commands to be processed.
 	 */
-	public void setAllowCreates(final boolean canCreate) {
+	public void setAllowCreates(boolean canCreate) {
 		allowCreates = canCreate;
 	}
 
@@ -651,7 +651,7 @@
 	 * @param canDelete
 	 *            {@code true} to permit delete ref commands to be processed.
 	 */
-	public void setAllowDeletes(final boolean canDelete) {
+	public void setAllowDeletes(boolean canDelete) {
 		allowAnyDeletes = canDelete;
 	}
 
@@ -697,7 +697,7 @@
 	 *            {@code true} to permit the client to ask for non-fast-forward
 	 *            updates of an existing ref.
 	 */
-	public void setAllowNonFastForwards(final boolean canRewind) {
+	public void setAllowNonFastForwards(boolean canRewind) {
 		allowNonFastForwards = canRewind;
 	}
 
@@ -747,7 +747,7 @@
 	 *            automatically determined based on the repository
 	 *            configuration.
 	 */
-	public void setRefLogIdent(final PersonIdent pi) {
+	public void setRefLogIdent(PersonIdent pi) {
 		refLogIdent = pi;
 	}
 
@@ -784,7 +784,7 @@
 	 * @param advertiseRefsHook
 	 *            the hook; may be null to show all refs.
 	 */
-	public void setAdvertiseRefsHook(final AdvertiseRefsHook advertiseRefsHook) {
+	public void setAdvertiseRefsHook(AdvertiseRefsHook advertiseRefsHook) {
 		if (advertiseRefsHook != null)
 			this.advertiseRefsHook = advertiseRefsHook;
 		else
@@ -801,7 +801,7 @@
 	 * @param refFilter
 	 *            the filter; may be null to show all refs.
 	 */
-	public void setRefFilter(final RefFilter refFilter) {
+	public void setRefFilter(RefFilter refFilter) {
 		this.refFilter = refFilter != null ? refFilter : RefFilter.DEFAULT;
 	}
 
@@ -822,7 +822,7 @@
 	 *            before aborting an IO read or write operation with the
 	 *            connected client.
 	 */
-	public void setTimeout(final int seconds) {
+	public void setTimeout(int seconds) {
 		timeout = seconds;
 	}
 
@@ -867,7 +867,7 @@
 	 * @param limit
 	 *            the Git object size limit. If zero then there is not limit.
 	 */
-	public void setMaxObjectSizeLimit(final long limit) {
+	public void setMaxObjectSizeLimit(long limit) {
 		maxObjectSizeLimit = limit;
 	}
 
@@ -880,7 +880,7 @@
 	 *            the pack size limit, in bytes
 	 * @since 3.3
 	 */
-	public void setMaxPackSizeLimit(final long limit) {
+	public void setMaxPackSizeLimit(long limit) {
 		if (limit < 0)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().receivePackInvalidLimit, Long.valueOf(limit)));
@@ -1037,7 +1037,7 @@
 	 *            string describing the problem identified by the hook. The
 	 *            string must not end with an LF, and must not contain an LF.
 	 */
-	public void sendError(final String what) {
+	public void sendError(String what) {
 		if (refs == null) {
 			if (advertiseError == null)
 				advertiseError = new StringBuilder();
@@ -1070,7 +1070,7 @@
 	 *            string describing the problem identified by the hook. The
 	 *            string must not end with an LF, and must not contain an LF.
 	 */
-	public void sendMessage(final String what) {
+	public void sendMessage(String what) {
 		msgOutWrapper.write(Constants.encode(what + "\n")); //$NON-NLS-1$
 	}
 
@@ -1221,7 +1221,7 @@
 	 * @throws org.eclipse.jgit.transport.ServiceMayNotContinueException
 	 *             the hook denied advertisement.
 	 */
-	public void sendAdvertisedRefs(final RefAdvertiser adv)
+	public void sendAdvertisedRefs(RefAdvertiser adv)
 			throws IOException, ServiceMayNotContinueException {
 		if (advertiseError != null) {
 			adv.writeOne("ERR " + advertiseError); //$NON-NLS-1$
@@ -1448,7 +1448,7 @@
 	 * @return {@code true} if a pack is expected based on the list of commands.
 	 */
 	protected boolean needPack() {
-		for (final ReceiveCommand cmd : commands) {
+		for (ReceiveCommand cmd : commands) {
 			if (cmd.getType() != ReceiveCommand.Type.DELETE)
 				return true;
 		}
@@ -1549,21 +1549,21 @@
 		}
 		parser = null;
 
-		try (final ObjectWalk ow = new ObjectWalk(db)) {
+		try (ObjectWalk ow = new ObjectWalk(db)) {
 			if (baseObjects != null) {
 				ow.sort(RevSort.TOPO);
 				if (!baseObjects.isEmpty())
 					ow.sort(RevSort.BOUNDARY, true);
 			}
 
-			for (final ReceiveCommand cmd : commands) {
+			for (ReceiveCommand cmd : commands) {
 				if (cmd.getResult() != Result.NOT_ATTEMPTED)
 					continue;
 				if (cmd.getType() == ReceiveCommand.Type.DELETE)
 					continue;
 				ow.markStart(ow.parseAny(cmd.getNewId()));
 			}
-			for (final ObjectId have : advertisedHaves) {
+			for (ObjectId have : advertisedHaves) {
 				RevObject o = ow.parseAny(have);
 				ow.markUninteresting(o);
 
@@ -1619,7 +1619,7 @@
 	 * Validate the command list.
 	 */
 	protected void validateCommands() {
-		for (final ReceiveCommand cmd : commands) {
+		for (ReceiveCommand cmd : commands) {
 			final Ref ref = cmd.getRef();
 			if (cmd.getResult() != Result.NOT_ATTEMPTED)
 				continue;
@@ -1784,7 +1784,7 @@
 	 * @return a copy of the command list containing only those commands with the
 	 *         desired status.
 	 */
-	protected List<ReceiveCommand> filterCommands(final Result want) {
+	protected List<ReceiveCommand> filterCommands(Result want) {
 		return ReceiveCommand.filter(commands, want);
 	}
 
@@ -1838,7 +1838,7 @@
 		if (unpackError != null) {
 			out.sendString("unpack error " + unpackError.getMessage()); //$NON-NLS-1$
 			if (forClient) {
-				for (final ReceiveCommand cmd : commands) {
+				for (ReceiveCommand cmd : commands) {
 					out.sendString("ng " + cmd.getRefName() //$NON-NLS-1$
 							+ " n/a (unpacker error)"); //$NON-NLS-1$
 				}
@@ -1848,7 +1848,7 @@
 
 		if (forClient)
 			out.sendString("unpack ok"); //$NON-NLS-1$
-		for (final ReceiveCommand cmd : commands) {
+		for (ReceiveCommand cmd : commands) {
 			if (cmd.getResult() == Result.OK) {
 				if (forClient)
 					out.sendString("ok " + cmd.getRefName()); //$NON-NLS-1$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleFetchConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleFetchConnection.java
index 39efabf..449f529 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleFetchConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleFetchConnection.java
@@ -47,8 +47,6 @@
 
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.BufferedInputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -98,7 +96,7 @@
 
 	private PackLock packLock;
 
-	BundleFetchConnection(Transport transportBundle, final InputStream src) throws TransportException {
+	BundleFetchConnection(Transport transportBundle, InputStream src) throws TransportException {
 		transport = transportBundle;
 		bin = new BufferedInputStream(src);
 		try {
@@ -155,12 +153,12 @@
 		available(avail);
 	}
 
-	private PackProtocolException duplicateAdvertisement(final String name) {
+	private PackProtocolException duplicateAdvertisement(String name) {
 		return new PackProtocolException(transport.uri,
 				MessageFormat.format(JGitText.get().duplicateAdvertisementsOf, name));
 	}
 
-	private String readLine(final byte[] hdrbuf) throws IOException {
+	private String readLine(byte[] hdrbuf) throws IOException {
 		StringBuilder line = new StringBuilder();
 		boolean done = false;
 		while (!done) {
@@ -212,7 +210,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void setPackLockMessage(final String message) {
+	public void setPackLockMessage(String message) {
 		lockMessage = message;
 	}
 
@@ -228,13 +226,13 @@
 		if (prereqs.isEmpty())
 			return;
 
-		try (final RevWalk rw = new RevWalk(transport.local)) {
+		try (RevWalk rw = new RevWalk(transport.local)) {
 			final RevFlag PREREQ = rw.newFlag("PREREQ"); //$NON-NLS-1$
 			final RevFlag SEEN = rw.newFlag("SEEN"); //$NON-NLS-1$
 
 			final Map<ObjectId, String> missing = new HashMap<>();
 			final List<RevObject> commits = new ArrayList<>();
-			for (final Map.Entry<ObjectId, String> e : prereqs.entrySet()) {
+			for (Map.Entry<ObjectId, String> e : prereqs.entrySet()) {
 				ObjectId p = e.getKey();
 				try {
 					final RevCommit c = rw.parseCommit(p);
@@ -254,13 +252,13 @@
 				throw new MissingBundlePrerequisiteException(transport.uri,
 						missing);
 
-			Map<String, Ref> localRefs;
+			List<Ref> localRefs;
 			try {
-				localRefs = transport.local.getRefDatabase().getRefs(ALL);
+				localRefs = transport.local.getRefDatabase().getRefs();
 			} catch (IOException e) {
 				throw new TransportException(transport.uri, e.getMessage(), e);
 			}
-			for (final Ref r : localRefs.values()) {
+			for (Ref r : localRefs) {
 				try {
 					rw.markStart(rw.parseCommit(r.getObjectId()));
 				} catch (IOException readError) {
@@ -284,7 +282,7 @@
 			}
 
 			if (remaining > 0) {
-				for (final RevObject o : commits) {
+				for (RevObject o : commits) {
 					if (!o.has(SEEN))
 						missing.put(o, prereqs.get(o));
 				}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleWriter.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleWriter.java
index 35ac779..f2a261b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleWriter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/BundleWriter.java
@@ -151,7 +151,7 @@
 	 * @param id
 	 *            object to pack. Multiple refs may point to the same object.
 	 */
-	public void include(final String name, final AnyObjectId id) {
+	public void include(String name, AnyObjectId id) {
 		boolean validRefName = Repository.isValidRefName(name) || Constants.HEAD.equals(name);
 		if (!validRefName)
 			throw new IllegalArgumentException(MessageFormat.format(JGitText.get().invalidRefName, name));
@@ -169,7 +169,7 @@
 	 * @param r
 	 *            the ref to include.
 	 */
-	public void include(final Ref r) {
+	public void include(Ref r) {
 		include(r.getName(), r.getObjectId());
 
 		if (r.getPeeledObjectId() != null)
@@ -192,7 +192,7 @@
 	 *            parsed and not disposed in order to maximize the amount of
 	 *            debugging information available in the bundle stream.
 	 */
-	public void assume(final RevCommit c) {
+	public void assume(RevCommit c) {
 		if (c != null)
 			assume.add(c);
 	}
@@ -221,7 +221,7 @@
 			final HashSet<ObjectId> inc = new HashSet<>();
 			final HashSet<ObjectId> exc = new HashSet<>();
 			inc.addAll(include.values());
-			for (final RevCommit r : assume)
+			for (RevCommit r : assume)
 				exc.add(r.getId());
 			packWriter.setIndexDisabled(true);
 			packWriter.setDeltaBaseAsOffset(true);
@@ -236,7 +236,7 @@
 			w.write('\n');
 
 			final char[] tmp = new char[Constants.OBJECT_ID_STRING_LENGTH];
-			for (final RevCommit a : assume) {
+			for (RevCommit a : assume) {
 				w.write('-');
 				a.copyTo(tmp, w);
 				if (a.getRawBuffer() != null) {
@@ -245,7 +245,7 @@
 				}
 				w.write('\n');
 			}
-			for (final Map.Entry<String, ObjectId> e : include.entrySet()) {
+			for (Map.Entry<String, ObjectId> e : include.entrySet()) {
 				e.getValue().copyTo(tmp, w);
 				w.write(' ');
 				w.write(e.getKey());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
index bcc5110..d4c514e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Connection.java
@@ -95,7 +95,7 @@
 	 *            name of the ref to obtain.
 	 * @return the requested ref; null if the remote did not advertise this ref.
 	 */
-	public Ref getRef(final String name);
+	public Ref getRef(String name);
 
 	/**
 	 * {@inheritDoc}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Daemon.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Daemon.java
index 2fc5eb2..7289ce7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Daemon.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Daemon.java
@@ -53,7 +53,9 @@
 import java.net.SocketAddress;
 import java.net.SocketException;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.Collection;
 
+import org.eclipse.jgit.annotations.Nullable;
 import org.eclipse.jgit.errors.RepositoryNotFoundException;
 import org.eclipse.jgit.internal.JGitText;
 import org.eclipse.jgit.lib.PersonIdent;
@@ -107,7 +109,7 @@
 	 *            port will be chosen on all network interfaces.
 	 */
 	@SuppressWarnings("unchecked")
-	public Daemon(final InetSocketAddress addr) {
+	public Daemon(InetSocketAddress addr) {
 		myAddress = addr;
 		processors = new ThreadGroup("Git-Daemon"); //$NON-NLS-1$
 
@@ -153,12 +155,17 @@
 
 					@Override
 					protected void execute(final DaemonClient dc,
-							final Repository db) throws IOException,
+							final Repository db,
+							@Nullable Collection<String> extraParameters)
+							throws IOException,
 							ServiceNotEnabledException,
 							ServiceNotAuthorizedException {
 						UploadPack up = uploadPackFactory.create(dc, db);
 						InputStream in = dc.getInputStream();
 						OutputStream out = dc.getOutputStream();
+						if (extraParameters != null) {
+							up.setExtraParameters(extraParameters);
+						}
 						up.upload(in, out, null);
 					}
 				}, new DaemonService("receive-pack", "receivepack") { //$NON-NLS-1$ //$NON-NLS-2$
@@ -168,7 +175,9 @@
 
 					@Override
 					protected void execute(final DaemonClient dc,
-							final Repository db) throws IOException,
+							final Repository db,
+							@Nullable Collection<String> extraParameters)
+							throws IOException,
 							ServiceNotEnabledException,
 							ServiceNotAuthorizedException {
 						ReceivePack rp = receivePackFactory.create(dc, db);
@@ -200,7 +209,7 @@
 	public synchronized DaemonService getService(String name) {
 		if (!name.startsWith("git-")) //$NON-NLS-1$
 			name = "git-" + name; //$NON-NLS-1$
-		for (final DaemonService s : services) {
+		for (DaemonService s : services) {
 			if (s.getCommandName().equals(name))
 				return s;
 		}
@@ -224,7 +233,7 @@
 	 *            before aborting an IO read or write operation with the
 	 *            connected client.
 	 */
-	public void setTimeout(final int seconds) {
+	public void setTimeout(int seconds) {
 		timeout = seconds;
 	}
 
@@ -411,7 +420,7 @@
 		}
 	}
 
-	void startClient(final Socket s) {
+	void startClient(Socket s) {
 		final DaemonClient dc = new DaemonClient(this);
 
 		final SocketAddress peer = s.getRemoteSocketAddress();
@@ -445,8 +454,8 @@
 		}.start();
 	}
 
-	synchronized DaemonService matchService(final String cmd) {
-		for (final DaemonService d : services) {
+	synchronized DaemonService matchService(String cmd) {
+		for (DaemonService d : services) {
 			if (d.handles(cmd))
 				return d;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonClient.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonClient.java
index a9731ac..51c4918 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonClient.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonClient.java
@@ -50,6 +50,8 @@
 import java.io.OutputStream;
 import java.net.InetAddress;
 import java.net.Socket;
+import java.util.Arrays;
+import java.util.Collection;
 
 import org.eclipse.jgit.transport.resolver.ServiceNotAuthorizedException;
 import org.eclipse.jgit.transport.resolver.ServiceNotEnabledException;
@@ -66,11 +68,11 @@
 
 	private OutputStream rawOut;
 
-	DaemonClient(final Daemon d) {
+	DaemonClient(Daemon d) {
 		daemon = d;
 	}
 
-	void setRemoteAddress(final InetAddress ia) {
+	void setRemoteAddress(InetAddress ia) {
 		peer = ia;
 	}
 
@@ -110,7 +112,7 @@
 		return rawOut;
 	}
 
-	void execute(final Socket sock) throws IOException,
+	void execute(Socket sock) throws IOException,
 			ServiceNotEnabledException, ServiceNotAuthorizedException {
 		rawIn = new BufferedInputStream(sock.getInputStream());
 		rawOut = new BufferedOutputStream(sock.getOutputStream());
@@ -118,6 +120,14 @@
 		if (0 < daemon.getTimeout())
 			sock.setSoTimeout(daemon.getTimeout() * 1000);
 		String cmd = new PacketLineIn(rawIn).readStringRaw();
+
+		Collection<String> extraParameters = null;
+
+		int nulnul = cmd.indexOf("\0\0"); //$NON-NLS-1$
+		if (nulnul != -1) {
+			extraParameters = Arrays.asList(cmd.substring(nulnul + 2).split("\0")); //$NON-NLS-1$
+		}
+
 		final int nul = cmd.indexOf('\0');
 		if (nul >= 0) {
 			// Newer clients hide a "host" header behind this byte.
@@ -131,6 +141,6 @@
 		if (srv == null)
 			return;
 		sock.setSoTimeout(0);
-		srv.execute(this, cmd);
+		srv.execute(this, cmd, extraParameters);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonService.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonService.java
index 712eb22..6d2bee8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonService.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DaemonService.java
@@ -45,7 +45,9 @@
 package org.eclipse.jgit.transport;
 
 import java.io.IOException;
+import java.util.Collection;
 
+import org.eclipse.jgit.annotations.Nullable;
 import org.eclipse.jgit.lib.Config;
 import org.eclipse.jgit.lib.Config.SectionParser;
 import org.eclipse.jgit.lib.Repository;
@@ -65,7 +67,7 @@
 
 	private boolean overridable;
 
-	DaemonService(final String cmdName, final String cfgName) {
+	DaemonService(String cmdName, String cfgName) {
 		command = cmdName.startsWith("git-") ? cmdName : "git-" + cmdName; //$NON-NLS-1$ //$NON-NLS-2$
 		configKey = cfg -> new ServiceConfig(DaemonService.this, cfg, cfgName);
 		overridable = true;
@@ -96,7 +98,7 @@
 	 *            {@code true} to allow this service to be used; {@code false}
 	 *            to deny it.
 	 */
-	public void setEnabled(final boolean on) {
+	public void setEnabled(boolean on) {
 		enabled = on;
 	}
 
@@ -120,7 +122,7 @@
 	 *            enabled state with the <code>daemon.servicename</code> config
 	 *            setting.
 	 */
-	public void setOverridable(final boolean on) {
+	public void setOverridable(boolean on) {
 		overridable = on;
 	}
 
@@ -140,19 +142,20 @@
 	 *            input line from the client.
 	 * @return true if this command can accept the given command line.
 	 */
-	public boolean handles(final String commandLine) {
+	public boolean handles(String commandLine) {
 		return command.length() + 1 < commandLine.length()
 				&& commandLine.charAt(command.length()) == ' '
 				&& commandLine.startsWith(command);
 	}
 
-	void execute(final DaemonClient client, final String commandLine)
+	void execute(DaemonClient client, String commandLine,
+			@Nullable Collection<String> extraParameters)
 			throws IOException, ServiceNotEnabledException,
 			ServiceNotAuthorizedException {
 		final String name = commandLine.substring(command.length() + 1);
 		try (Repository db = client.getDaemon().openRepository(client, name)) {
 			if (isEnabledFor(db)) {
-				execute(client, db);
+				execute(client, db, extraParameters);
 			}
 		} catch (ServiceMayNotContinueException e) {
 			// An error when opening the repo means the client is expecting a ref
@@ -162,13 +165,14 @@
 		}
 	}
 
-	private boolean isEnabledFor(final Repository db) {
+	private boolean isEnabledFor(Repository db) {
 		if (isOverridable())
 			return db.getConfig().get(configKey).enabled;
 		return isEnabled();
 	}
 
-	abstract void execute(DaemonClient client, Repository db)
+	abstract void execute(DaemonClient client, Repository db,
+			@Nullable Collection<String> extraParameters)
 			throws IOException, ServiceNotEnabledException,
 			ServiceNotAuthorizedException;
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
index a749fbc..5f74e72 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/DefaultSshSessionFactory.java
@@ -61,7 +61,7 @@
 class DefaultSshSessionFactory extends JschConfigSessionFactory {
 	/** {@inheritDoc} */
 	@Override
-	protected void configure(final OpenSshConfig.Host hc, final Session session) {
+	protected void configure(OpenSshConfig.Host hc, Session session) {
 		// No additional configuration required.
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchHeadRecord.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchHeadRecord.java
index 421ef21..34ab361 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchHeadRecord.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchHeadRecord.java
@@ -63,7 +63,7 @@
 
 	URIish sourceURI;
 
-	void write(final Writer pw) throws IOException {
+	void write(Writer pw) throws IOException {
 		final String type;
 		final String name;
 		if (sourceName.startsWith(R_HEADS)) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
index 117e844..c43ab18 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchProcess.java
@@ -106,12 +106,12 @@
 
 	private Map<String, Ref> localRefs;
 
-	FetchProcess(final Transport t, final Collection<RefSpec> f) {
+	FetchProcess(Transport t, Collection<RefSpec> f) {
 		transport = t;
 		toFetch = f;
 	}
 
-	void execute(final ProgressMonitor monitor, final FetchResult result)
+	void execute(ProgressMonitor monitor, FetchResult result)
 			throws NotSupportedException, TransportException {
 		askFor.clear();
 		localUpdates.clear();
@@ -123,7 +123,7 @@
 			executeImp(monitor, result);
 		} finally {
 			try {
-			for (final PackLock lock : packLocks)
+			for (PackLock lock : packLocks)
 				lock.unlock();
 			} catch (IOException e) {
 				throw new TransportException(e.getMessage(), e);
@@ -139,7 +139,7 @@
 			result.setAdvertisedRefs(transport.getURI(), conn.getRefsMap());
 			result.peerUserAgent = conn.getPeerUserAgent();
 			final Set<Ref> matched = new HashSet<>();
-			for (final RefSpec spec : toFetch) {
+			for (RefSpec spec : toFetch) {
 				if (spec.getSource() == null)
 					throw new TransportException(MessageFormat.format(
 							JGitText.get().sourceRefNotSpecifiedForRefspec, spec));
@@ -176,7 +176,7 @@
 				//
 				have.addAll(askFor.keySet());
 				askFor.clear();
-				for (final Ref r : additionalTags) {
+				for (Ref r : additionalTags) {
 					ObjectId id = r.getPeeledObjectId();
 					if (id == null)
 						id = r.getObjectId();
@@ -198,7 +198,7 @@
 				.newBatchUpdate()
 				.setAllowNonFastForwards(true)
 				.setRefLogMessage("fetch", true); //$NON-NLS-1$
-		try (final RevWalk walk = new RevWalk(transport.local)) {
+		try (RevWalk walk = new RevWalk(transport.local)) {
 			if (monitor instanceof BatchingProgressMonitor) {
 				((BatchingProgressMonitor) monitor).setDelayStart(
 						250, TimeUnit.MILLISECONDS);
@@ -257,7 +257,7 @@
 		}
 	}
 
-	private void fetchObjects(final ProgressMonitor monitor)
+	private void fetchObjects(ProgressMonitor monitor)
 			throws TransportException {
 		try {
 			conn.setPackLockMessage("jgit fetch " + transport.uri); //$NON-NLS-1$
@@ -271,7 +271,7 @@
 					JGitText.get().peerDidNotSupplyACompleteObjectGraph);
 	}
 
-	private void closeConnection(final FetchResult result) {
+	private void closeConnection(FetchResult result) {
 		if (conn != null) {
 			conn.close();
 			result.addMessages(conn.getMessages());
@@ -295,12 +295,12 @@
 		// new connection has offered to us.
 		//
 		final HashMap<ObjectId, Ref> avail = new HashMap<>();
-		for (final Ref r : conn.getRefs())
+		for (Ref r : conn.getRefs())
 			avail.put(r.getObjectId(), r);
 
 		final Collection<Ref> wants = new ArrayList<>(askFor.values());
 		askFor.clear();
-		for (final Ref want : wants) {
+		for (Ref want : wants) {
 			final Ref newRef = avail.get(want.getObjectId());
 			if (newRef != null) {
 				askFor.put(newRef.getObjectId(), newRef);
@@ -311,7 +311,7 @@
 		}
 	}
 
-	private void removeTrackingRefUpdate(final ObjectId want) {
+	private void removeTrackingRefUpdate(ObjectId want) {
 		final Iterator<TrackingRefUpdate> i = localUpdates.iterator();
 		while (i.hasNext()) {
 			final TrackingRefUpdate u = i.next();
@@ -320,7 +320,7 @@
 		}
 	}
 
-	private void removeFetchHeadRecord(final ObjectId want) {
+	private void removeFetchHeadRecord(ObjectId want) {
 		final Iterator<FetchHeadRecord> i = fetchHeadUpdates.iterator();
 		while (i.hasNext()) {
 			final FetchHeadRecord fh = i.next();
@@ -329,7 +329,7 @@
 		}
 	}
 
-	private void updateFETCH_HEAD(final FetchResult result) throws IOException {
+	private void updateFETCH_HEAD(FetchResult result) throws IOException {
 		File meta = transport.local.getDirectory();
 		if (meta == null)
 			return;
@@ -338,7 +338,7 @@
 			if (lock.lock()) {
 				try (Writer w = new OutputStreamWriter(
 						lock.getOutputStream())) {
-					for (final FetchHeadRecord h : fetchHeadUpdates) {
+					for (FetchHeadRecord h : fetchHeadUpdates) {
 						h.write(w);
 						result.add(h);
 					}
@@ -352,10 +352,10 @@
 
 	private boolean askForIsComplete() throws TransportException {
 		try {
-			try (final ObjectWalk ow = new ObjectWalk(transport.local)) {
-				for (final ObjectId want : askFor.keySet())
+			try (ObjectWalk ow = new ObjectWalk(transport.local)) {
+				for (ObjectId want : askFor.keySet())
 					ow.markStart(ow.parseAny(want));
-				for (final Ref ref : localRefs().values())
+				for (Ref ref : localRefs().values())
 					ow.markUninteresting(ow.parseAny(ref.getObjectId()));
 				ow.checkConnectivity();
 			}
@@ -367,15 +367,15 @@
 		}
 	}
 
-	private void expandWildcard(final RefSpec spec, final Set<Ref> matched)
+	private void expandWildcard(RefSpec spec, Set<Ref> matched)
 			throws TransportException {
-		for (final Ref src : conn.getRefs()) {
+		for (Ref src : conn.getRefs()) {
 			if (spec.matchSource(src) && matched.add(src))
 				want(src, spec.expandFromSource(src));
 		}
 	}
 
-	private void expandSingle(final RefSpec spec, final Set<Ref> matched)
+	private void expandSingle(RefSpec spec, Set<Ref> matched)
 			throws TransportException {
 		String want = spec.getSource();
 		if (ObjectId.isId(want)) {
@@ -395,7 +395,7 @@
 	private Collection<Ref> expandAutoFollowTags() throws TransportException {
 		final Collection<Ref> additionalTags = new ArrayList<>();
 		final Map<String, Ref> haveRefs = localRefs();
-		for (final Ref r : conn.getRefs()) {
+		for (Ref r : conn.getRefs()) {
 			if (!isTag(r))
 				continue;
 
@@ -419,7 +419,7 @@
 
 	private void expandFetchTags() throws TransportException {
 		final Map<String, Ref> haveRefs = localRefs();
-		for (final Ref r : conn.getRefs()) {
+		for (Ref r : conn.getRefs()) {
 			if (!isTag(r)) {
 				continue;
 			}
@@ -434,12 +434,12 @@
 		}
 	}
 
-	private void wantTag(final Ref r) throws TransportException {
+	private void wantTag(Ref r) throws TransportException {
 		want(r, new RefSpec().setSource(r.getName())
 				.setDestination(r.getName()).setForceUpdate(true));
 	}
 
-	private void want(final Ref src, final RefSpec spec)
+	private void want(Ref src, RefSpec spec)
 			throws TransportException {
 		final ObjectId newId = src.getObjectId();
 		if (newId == null) {
@@ -497,12 +497,15 @@
 
 	private void deleteStaleTrackingRefs(FetchResult result,
 			BatchRefUpdate batch) throws IOException {
-		final Set<Ref> processed = new HashSet<>();
-		for (final Ref ref : localRefs().values()) {
-			final String refname = ref.getName();
-			for (final RefSpec spec : toFetch) {
+		Set<Ref> processed = new HashSet<>();
+		for (Ref ref : localRefs().values()) {
+			if (ref.isSymbolic()) {
+				continue;
+			}
+			String refname = ref.getName();
+			for (RefSpec spec : toFetch) {
 				if (spec.matchDestination(refname)) {
-					final RefSpec s = spec.expandFromDestination(refname);
+					RefSpec s = spec.expandFromDestination(refname);
 					if (result.getAdvertisedRef(s.getSource()) == null
 							&& processed.add(ref)) {
 						deleteTrackingRef(result, batch, s, ref);
@@ -526,11 +529,11 @@
 		batch.addCommand(update.asReceiveCommand());
 	}
 
-	private static boolean isTag(final Ref r) {
+	private static boolean isTag(Ref r) {
 		return isTag(r.getName());
 	}
 
-	private static boolean isTag(final String name) {
+	private static boolean isTag(String name) {
 		return name.startsWith(Constants.R_TAGS);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchResult.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchResult.java
index 2667ec3..ad4c5e9 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchResult.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/FetchResult.java
@@ -68,7 +68,7 @@
 		submodules = new HashMap<>();
 	}
 
-	void add(final FetchHeadRecord r) {
+	void add(FetchHeadRecord r) {
 		if (!r.notForMerge)
 			forMerge.add(r);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/GitProtocolConstants.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/GitProtocolConstants.java
index 2031147..10cd775 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/GitProtocolConstants.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/GitProtocolConstants.java
@@ -108,6 +108,14 @@
 	public static final String OPTION_SHALLOW = "shallow"; //$NON-NLS-1$
 
 	/**
+	 * The client wants the "deepen" command to be interpreted as relative to
+	 * the client's shallow commits.
+	 *
+	 * @since 5.0
+	 */
+	public static final String OPTION_DEEPEN_RELATIVE = "deepen-relative"; //$NON-NLS-1$
+
+	/**
 	 * The client does not want progress messages and will ignore them.
 	 *
 	 * @since 3.2
@@ -152,6 +160,13 @@
 	public static final String OPTION_PUSH_CERT = "push-cert"; //$NON-NLS-1$
 
 	/**
+	 * The client specified a filter expression.
+	 *
+	 * @since 5.0
+	 */
+	public static final String OPTION_FILTER = "filter"; //$NON-NLS-1$
+
+	/**
 	 * The client supports atomic pushes. If this option is used, the server
 	 * will update all refs within one atomic transaction.
 	 *
@@ -215,6 +230,20 @@
 	 */
 	public static final String CAPABILITY_PUSH_OPTIONS = "push-options"; //$NON-NLS-1$
 
+	/**
+	 * The server supports listing refs using protocol v2.
+	 *
+	 * @since 5.0
+	 */
+	public static final String COMMAND_LS_REFS = "ls-refs"; //$NON-NLS-1$
+
+	/**
+	 * The server supports fetch using protocol v2.
+	 *
+	 * @since 5.0
+	 */
+	public static final String COMMAND_FETCH = "fetch"; //$NON-NLS-1$
+
 	static enum MultiAck {
 		OFF, CONTINUE, DETAILED;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/HMACSHA1NonceGenerator.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/HMACSHA1NonceGenerator.java
index 6c26b70..1415334 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/HMACSHA1NonceGenerator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/HMACSHA1NonceGenerator.java
@@ -43,7 +43,7 @@
 package org.eclipse.jgit.transport;
 
 import static java.nio.charset.StandardCharsets.ISO_8859_1;
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.File;
 import java.security.InvalidKeyException;
@@ -102,7 +102,7 @@
 		}
 
 		String input = path + ":" + String.valueOf(timestamp); //$NON-NLS-1$
-		byte[] rawHmac = mac.doFinal(input.getBytes(UTF_8));
+		byte[] rawHmac = mac.doFinal(input.getBytes(CHARSET));
 		return Long.toString(timestamp) + "-" + toHex(rawHmac); //$NON-NLS-1$
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java
index c40d963..fb03190 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/HttpAuthMethod.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.util.HttpSupport.HDR_AUTHORIZATION;
 import static org.eclipse.jgit.util.HttpSupport.HDR_WWW_AUTHENTICATE;
 
@@ -51,6 +51,7 @@
 import java.net.URL;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
@@ -59,7 +60,6 @@
 import java.util.Locale;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.Random;
 
 import org.eclipse.jgit.transport.http.HttpConnection;
 import org.eclipse.jgit.util.Base64;
@@ -160,10 +160,10 @@
 		final Map<String, List<String>> headers = conn.getHeaderFields();
 		HttpAuthMethod authentication = Type.NONE.method(EMPTY_STRING);
 
-		for (final Entry<String, List<String>> entry : headers.entrySet()) {
+		for (Entry<String, List<String>> entry : headers.entrySet()) {
 			if (HDR_WWW_AUTHENTICATE.equalsIgnoreCase(entry.getKey())) {
 				if (entry.getValue() != null) {
-					for (final String value : entry.getValue()) {
+					for (String value : entry.getValue()) {
 						if (value != null && value.length() != 0) {
 							final String[] valuePart = value.split(
 									SCHEMA_NAME_SEPARATOR, 2);
@@ -307,15 +307,15 @@
 		}
 
 		@Override
-		void authorize(final String username, final String password) {
+		void authorize(String username, String password) {
 			this.user = username;
 			this.pass = password;
 		}
 
 		@Override
-		void configureRequest(final HttpConnection conn) throws IOException {
+		void configureRequest(HttpConnection conn) throws IOException {
 			String ident = user + ":" + pass; //$NON-NLS-1$
-			String enc = Base64.encodeBytes(ident.getBytes(UTF_8));
+			String enc = Base64.encodeBytes(ident.getBytes(CHARSET));
 			conn.setRequestProperty(HDR_AUTHORIZATION, type.getSchemeName()
 					+ " " + enc); //$NON-NLS-1$
 		}
@@ -323,7 +323,7 @@
 
 	/** Performs HTTP digest authentication. */
 	private static class Digest extends HttpAuthMethod {
-		private static final Random PRNG = new Random();
+		private static final SecureRandom PRNG = new SecureRandom();
 
 		private final Map<String, String> params;
 
@@ -346,14 +346,14 @@
 		}
 
 		@Override
-		void authorize(final String username, final String password) {
+		void authorize(String username, String password) {
 			this.user = username;
 			this.pass = password;
 		}
 
 		@SuppressWarnings("boxing")
 		@Override
-		void configureRequest(final HttpConnection conn) throws IOException {
+		void configureRequest(HttpConnection conn) throws IOException {
 			final Map<String, String> r = new LinkedHashMap<>();
 
 			final String realm = params.get("realm"); //$NON-NLS-1$
@@ -430,15 +430,15 @@
 
 		private static String H(String data) {
 			MessageDigest md = newMD5();
-			md.update(data.getBytes(UTF_8));
+			md.update(data.getBytes(CHARSET));
 			return LHEX(md.digest());
 		}
 
 		private static String KD(String secret, String data) {
 			MessageDigest md = newMD5();
-			md.update(secret.getBytes(UTF_8));
+			md.update(secret.getBytes(CHARSET));
 			md.update((byte) ':');
-			md.update(data.getBytes(UTF_8));
+			md.update(data.getBytes(CHARSET));
 			return LHEX(md.digest());
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/InsecureCipherFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/InsecureCipherFactory.java
index 73384a1..d494273 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/InsecureCipherFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/InsecureCipherFactory.java
@@ -54,7 +54,7 @@
  * This is a hack for {@link WalkEncryption} to create any cipher configured by
  * the end-user. Using this class allows JGit to violate ErrorProne's security
  * recommendations (<a
- * href="http://errorprone.info/bugpattern/InsecureCryptoUsage"
+ * href="https://errorprone.info/bugpattern/InsecureCryptoUsage"
  * >InsecureCryptoUsage</a>), which is not secure.
  */
 class InsecureCipherFactory {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
index 2a222fb..eab3b3c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschConfigSessionFactory.java
@@ -70,6 +70,7 @@
 import org.slf4j.LoggerFactory;
 
 import com.jcraft.jsch.ConfigRepository;
+import com.jcraft.jsch.ConfigRepository.Config;
 import com.jcraft.jsch.JSch;
 import com.jcraft.jsch.JSchException;
 import com.jcraft.jsch.Session;
@@ -222,10 +223,30 @@
 			session.setUserInfo(new CredentialsProviderUserInfo(session,
 					credentialsProvider));
 		}
+		safeConfig(session, hc.getConfig());
 		configure(hc, session);
 		return session;
 	}
 
+	private void safeConfig(Session session, Config cfg) {
+		// Ensure that Jsch checks all configured algorithms, not just its
+		// built-in ones. Otherwise it may propose an algorithm for which it
+		// doesn't have an implementation, and then run into an NPE if that
+		// algorithm ends up being chosen.
+		copyConfigValueToSession(session, cfg, "Ciphers", "CheckCiphers"); //$NON-NLS-1$ //$NON-NLS-2$
+		copyConfigValueToSession(session, cfg, "KexAlgorithms", "CheckKexes"); //$NON-NLS-1$ //$NON-NLS-2$
+		copyConfigValueToSession(session, cfg, "HostKeyAlgorithms", //$NON-NLS-1$
+				"CheckSignatures"); //$NON-NLS-1$
+	}
+
+	private void copyConfigValueToSession(Session session, Config cfg,
+			String from, String to) {
+		String value = cfg.getValue(from);
+		if (value != null) {
+			session.setConfig(to, value);
+		}
+	}
+
 	private void setUserName(Session session, String userName) {
 		// Jsch 0.1.54 picks up the user name from the ssh config, even if an
 		// explicit user name was given! We must correct that if ~/.ssh/config
@@ -309,7 +330,7 @@
 	 * @throws com.jcraft.jsch.JSchException
 	 *             the user configuration could not be created.
 	 */
-	protected JSch getJSch(final OpenSshConfig.Host hc, FS fs) throws JSchException {
+	protected JSch getJSch(OpenSshConfig.Host hc, FS fs) throws JSchException {
 		if (defaultJSch == null) {
 			defaultJSch = createDefaultJSch(fs);
 			if (defaultJSch.getConfigRepository() == null) {
@@ -351,13 +372,15 @@
 	 */
 	protected JSch createDefaultJSch(FS fs) throws JSchException {
 		final JSch jsch = new JSch();
+		JSch.setConfig("ssh-rsa", JSch.getConfig("signature.rsa")); //$NON-NLS-1$ //$NON-NLS-2$
+		JSch.setConfig("ssh-dss", JSch.getConfig("signature.dss")); //$NON-NLS-1$ //$NON-NLS-2$
 		configureJSch(jsch);
 		knownHosts(jsch, fs);
 		identities(jsch, fs);
 		return jsch;
 	}
 
-	private static void knownHosts(final JSch sch, FS fs) throws JSchException {
+	private static void knownHosts(JSch sch, FS fs) throws JSchException {
 		final File home = fs.userHome();
 		if (home == null)
 			return;
@@ -371,7 +394,7 @@
 		}
 	}
 
-	private static void identities(final JSch sch, FS fs) {
+	private static void identities(JSch sch, FS fs) {
 		final File home = fs.userHome();
 		if (home == null)
 			return;
@@ -383,7 +406,7 @@
 		}
 	}
 
-	private static void loadIdentity(final JSch sch, final File priv) {
+	private static void loadIdentity(JSch sch, File priv) {
 		if (priv.isFile()) {
 			try {
 				sch.addIdentity(priv.getAbsolutePath());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschSession.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschSession.java
index 081d057..e3ef832 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschSession.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/JschSession.java
@@ -82,7 +82,7 @@
 	 * @param uri
 	 *            the URI information for the remote connection
 	 */
-	public JschSession(final Session session, URIish uri) {
+	public JschSession(Session session, URIish uri) {
 		sock = session;
 		this.uri = uri;
 	}
@@ -145,7 +145,7 @@
 		 * @throws IOException
 		 *             on problems opening streams
 		 */
-		JschProcess(final String commandName, int tms)
+		JschProcess(String commandName, int tms)
 				throws TransportException, IOException {
 			timeout = tms;
 			try {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/NetRC.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/NetRC.java
index e3f287b..e688f63 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/NetRC.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/NetRC.java
@@ -211,9 +211,7 @@
 		this.hosts.clear();
 		this.lastModified = this.netrc.lastModified();
 
-		BufferedReader r = null;
-		try {
-			r = new BufferedReader(new FileReader(netrc));
+		try (BufferedReader r = new BufferedReader(new FileReader(netrc))) {
 			String line = null;
 
 			NetRCEntry entry = new NetRCEntry();
@@ -315,13 +313,6 @@
 				hosts.put(entry.machine, entry);
 		} catch (IOException e) {
 			throw new RuntimeException(e);
-		} finally {
-			try {
-				if (r != null)
-					r.close();
-			} catch (IOException e) {
-				throw new RuntimeException(e);
-			}
 		}
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OpenSshConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OpenSshConfig.java
index 4660c40..f5ccdc8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OpenSshConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OpenSshConfig.java
@@ -186,7 +186,7 @@
 	/** State read from the config file, plus {@link Host}s created from it. */
 	private State state;
 
-	OpenSshConfig(final File h, final File cfg) {
+	OpenSshConfig(File h, File cfg) {
 		home = h;
 		configFile = cfg;
 		state = new State();
@@ -201,7 +201,7 @@
 	 *            configuration file.
 	 * @return r configuration for the requested name. Never null.
 	 */
-	public Host lookup(final String hostName) {
+	public Host lookup(String hostName) {
 		final State cache = refresh();
 		Host h = cache.hosts.get(hostName);
 		if (h != null) {
@@ -211,7 +211,7 @@
 		// Initialize with default entries at the top of the file, before the
 		// first Host block.
 		fullConfig.merge(cache.entries.get(HostEntry.DEFAULT_NAME));
-		for (final Map.Entry<String, HostEntry> e : cache.entries.entrySet()) {
+		for (Map.Entry<String, HostEntry> e : cache.entries.entrySet()) {
 			String key = e.getKey();
 			if (isHostMatch(key, hostName)) {
 				fullConfig.merge(e.getValue());
@@ -238,7 +238,7 @@
 		return state;
 	}
 
-	private Map<String, HostEntry> parse(final InputStream in)
+	private Map<String, HostEntry> parse(InputStream in)
 			throws IOException {
 		final Map<String, HostEntry> m = new LinkedHashMap<>();
 		final BufferedReader br = new BufferedReader(new InputStreamReader(in));
@@ -332,14 +332,14 @@
 		}
 	}
 
-	private static String dequote(final String value) {
+	private static String dequote(String value) {
 		if (value.startsWith("\"") && value.endsWith("\"") //$NON-NLS-1$ //$NON-NLS-2$
 				&& value.length() > 1)
 			return value.substring(1, value.length() - 1);
 		return value;
 	}
 
-	private static String nows(final String value) {
+	private static String nows(String value) {
 		final StringBuilder b = new StringBuilder();
 		for (int i = 0; i < value.length(); i++) {
 			if (!Character.isSpaceChar(value.charAt(i)))
@@ -348,7 +348,7 @@
 		return b.toString();
 	}
 
-	private static Boolean yesno(final String value) {
+	private static Boolean yesno(String value) {
 		if (StringUtils.equalsIgnoreCase("yes", value)) //$NON-NLS-1$
 			return Boolean.TRUE;
 		return Boolean.FALSE;
@@ -365,7 +365,7 @@
 		return new File(home, path);
 	}
 
-	private static int positive(final String value) {
+	private static int positive(String value) {
 		if (value != null) {
 			try {
 				return Integer.parseUnsignedInt(value);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
index 4231798..08f7f0d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/OperationResult.java
@@ -107,7 +107,7 @@
 	 *            name of the ref to obtain.
 	 * @return the requested ref; null if the remote did not advertise this ref.
 	 */
-	public final Ref getAdvertisedRef(final String name) {
+	public final Ref getAdvertisedRef(String name) {
 		return advertisedRefs.get(name);
 	}
 
@@ -129,16 +129,16 @@
 	 * @return status of the local ref; null if this local ref was not touched
 	 *         during this operation.
 	 */
-	public TrackingRefUpdate getTrackingRefUpdate(final String localName) {
+	public TrackingRefUpdate getTrackingRefUpdate(String localName) {
 		return updates.get(localName);
 	}
 
-	void setAdvertisedRefs(final URIish u, final Map<String, Ref> ar) {
+	void setAdvertisedRefs(URIish u, Map<String, Ref> ar) {
 		uri = u;
 		advertisedRefs = ar;
 	}
 
-	void add(final TrackingRefUpdate u) {
+	void add(TrackingRefUpdate u) {
 		updates.put(u.getLocalName(), u);
 	}
 
@@ -158,7 +158,7 @@
 		return messageBuffer != null ? messageBuffer.toString() : ""; //$NON-NLS-1$
 	}
 
-	void addMessages(final String msg) {
+	void addMessages(String msg) {
 		if (msg != null && msg.length() > 0) {
 			if (messageBuffer == null)
 				messageBuffer = new StringBuilder();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
index af5a0b7..49acb4d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackParser.java
@@ -200,7 +200,7 @@
 	 * @param src
 	 *            the stream the parser will read.
 	 */
-	protected PackParser(final ObjectDatabase odb, final InputStream src) {
+	protected PackParser(ObjectDatabase odb, InputStream src) {
 		objectDatabase = odb.newCachedDatabase();
 		in = src;
 
@@ -232,7 +232,7 @@
 	 * @param allow
 	 *            true to enable a thin pack.
 	 */
-	public void setAllowThin(final boolean allow) {
+	public void setAllowThin(boolean allow) {
 		allowThin = allow;
 	}
 
@@ -379,7 +379,7 @@
 	 * @param oc
 	 *            the checker instance; null to disable object checking.
 	 */
-	public void setObjectChecker(final ObjectChecker oc) {
+	public void setObjectChecker(ObjectChecker oc) {
 		objCheck = oc;
 	}
 
@@ -399,7 +399,7 @@
 	 * @param on
 	 *            true to enable the default checker; false to disable it.
 	 */
-	public void setObjectChecking(final boolean on) {
+	public void setObjectChecking(boolean on) {
 		setObjectChecker(on ? new ObjectChecker() : null);
 	}
 
@@ -629,7 +629,7 @@
 		resolving.endTask();
 	}
 
-	private void resolveDeltas(final ProgressMonitor progress)
+	private void resolveDeltas(ProgressMonitor progress)
 			throws IOException {
 		final int last = entryCount;
 		for (int i = 0; i < last; i++) {
@@ -819,7 +819,7 @@
 		return info;
 	}
 
-	private UnresolvedDelta removeBaseById(final AnyObjectId id) {
+	private UnresolvedDelta removeBaseById(AnyObjectId id) {
 		final DeltaChain d = baseById.get(id);
 		return d != null ? d.remove() : null;
 	}
@@ -865,7 +865,7 @@
 		return first;
 	}
 
-	private void resolveDeltasWithExternalBases(final ProgressMonitor progress)
+	private void resolveDeltasWithExternalBases(ProgressMonitor progress)
 			throws IOException {
 		growEntries(baseById.size());
 
@@ -873,7 +873,7 @@
 			baseObjectIds = new ObjectIdSubclassMap<>();
 
 		final List<DeltaChain> missing = new ArrayList<>(64);
-		for (final DeltaChain baseId : baseById) {
+		for (DeltaChain baseId : baseById) {
 			if (baseId.head == null)
 				continue;
 
@@ -905,7 +905,7 @@
 						JGitText.get().downloadCancelledDuringIndexing);
 		}
 
-		for (final DeltaChain base : missing) {
+		for (DeltaChain base : missing) {
 			if (base.head != null)
 				throw new MissingObjectException(base, "delta base"); //$NON-NLS-1$
 		}
@@ -1065,7 +1065,7 @@
 		}
 	}
 
-	private void whole(final long pos, final int type, final long sz)
+	private void whole(long pos, int type, long sz)
 			throws IOException {
 		SHA1 objectDigest = objectHasher.reset();
 		objectDigest.update(Constants.encodedTypeString(type));
@@ -1076,7 +1076,6 @@
 		final byte[] data;
 		if (type == Constants.OBJ_BLOB) {
 			byte[] readBuffer = buffer();
-			InputStream inf = inflate(Source.INPUT, sz);
 			BlobObjectChecker checker = null;
 			if (objCheck != null) {
 				checker = objCheck.newBlobObjectChecker();
@@ -1085,15 +1084,16 @@
 				checker = BlobObjectChecker.NULL_CHECKER;
 			}
 			long cnt = 0;
-			while (cnt < sz) {
-				int r = inf.read(readBuffer);
-				if (r <= 0)
-					break;
-				objectDigest.update(readBuffer, 0, r);
-				checker.update(readBuffer, 0, r);
-				cnt += r;
+			try (InputStream inf = inflate(Source.INPUT, sz)) {
+				while (cnt < sz) {
+					int r = inf.read(readBuffer);
+					if (r <= 0)
+						break;
+					objectDigest.update(readBuffer, 0, r);
+					checker.update(readBuffer, 0, r);
+					cnt += r;
+				}
 			}
-			inf.close();
 			objectDigest.digest(tempObjectId);
 			checker.endBlob(tempObjectId);
 			data = null;
@@ -1162,33 +1162,29 @@
 		final byte[] readBuffer = buffer();
 		final byte[] curBuffer = new byte[readBuffer.length];
 		long sz = info.size;
-		InputStream pck = null;
 		try (ObjectStream cur = readCurs.open(obj, info.type).openStream()) {
 			if (cur.getSize() != sz) {
 				throw new IOException(MessageFormat.format(
 						JGitText.get().collisionOn, obj.name()));
 			}
-			pck = inflate(Source.DATABASE, sz);
-			while (0 < sz) {
-				int n = (int) Math.min(readBuffer.length, sz);
-				IO.readFully(cur, curBuffer, 0, n);
-				IO.readFully(pck, readBuffer, 0, n);
-				for (int i = 0; i < n; i++) {
-					if (curBuffer[i] != readBuffer[i]) {
-						throw new IOException(MessageFormat.format(JGitText
-								.get().collisionOn, obj.name()));
+			try (InputStream pck = inflate(Source.DATABASE, sz)) {
+				while (0 < sz) {
+					int n = (int) Math.min(readBuffer.length, sz);
+					IO.readFully(cur, curBuffer, 0, n);
+					IO.readFully(pck, readBuffer, 0, n);
+					for (int i = 0; i < n; i++) {
+						if (curBuffer[i] != readBuffer[i]) {
+							throw new IOException(MessageFormat.format(
+									JGitText.get().collisionOn, obj.name()));
+						}
 					}
+					sz -= n;
 				}
-				sz -= n;
 			}
 		} catch (MissingObjectException notLocal) {
 			// This is OK, we don't have a copy of the object locally
-			// but the API throws when we try to read it as usually its
+			// but the API throws when we try to read it as usually it's
 			// an error to read something that doesn't exist.
-		} finally {
-			if (pck != null) {
-				pck.close();
-			}
 		}
 	}
 
@@ -1228,7 +1224,7 @@
 	}
 
 	// Consume exactly one byte from the buffer and return it.
-	private int readFrom(final Source src) throws IOException {
+	private int readFrom(Source src) throws IOException {
 		if (bAvail == 0)
 			fill(src, 1);
 		bAvail--;
@@ -1236,13 +1232,13 @@
 	}
 
 	// Consume cnt bytes from the buffer.
-	void use(final int cnt) {
+	void use(int cnt) {
 		bOffset += cnt;
 		bAvail -= cnt;
 	}
 
 	// Ensure at least need bytes are available in in {@link #buf}.
-	int fill(final Source src, final int need) throws IOException {
+	int fill(Source src, int need) throws IOException {
 		while (bAvail < need) {
 			int next = bOffset + bAvail;
 			int free = buf.length - next;
@@ -1640,23 +1636,23 @@
 		public long size;
 	}
 
-	private void inflateAndSkip(final Source src, final long inflatedSize)
+	private void inflateAndSkip(Source src, long inflatedSize)
 			throws IOException {
-		final InputStream inf = inflate(src, inflatedSize);
-		IO.skipFully(inf, inflatedSize);
-		inf.close();
+		try (InputStream inf = inflate(src, inflatedSize)) {
+			IO.skipFully(inf, inflatedSize);
+		}
 	}
 
-	private byte[] inflateAndReturn(final Source src, final long inflatedSize)
+	private byte[] inflateAndReturn(Source src, long inflatedSize)
 			throws IOException {
 		final byte[] dst = new byte[(int) inflatedSize];
-		final InputStream inf = inflate(src, inflatedSize);
-		IO.readFully(inf, dst, 0, dst.length);
-		inf.close();
+		try (InputStream inf = inflate(src, inflatedSize)) {
+			IO.readFully(inf, dst, 0, dst.length);
+		}
 		return dst;
 	}
 
-	private InputStream inflate(final Source src, final long inflatedSize)
+	private InputStream inflate(Source src, long inflatedSize)
 			throws IOException {
 		inflater.open(src, inflatedSize);
 		return inflater;
@@ -1665,7 +1661,7 @@
 	private static class DeltaChain extends ObjectIdOwnerMap.Entry {
 		UnresolvedDelta head;
 
-		DeltaChain(final AnyObjectId id) {
+		DeltaChain(AnyObjectId id) {
 			super(id);
 		}
 
@@ -1676,7 +1672,7 @@
 			return r;
 		}
 
-		void add(final UnresolvedDelta d) {
+		void add(UnresolvedDelta d) {
 			d.next = head;
 			head = d;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackedObjectInfo.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackedObjectInfo.java
index 80fc0b4..59d1b78 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackedObjectInfo.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PackedObjectInfo.java
@@ -75,7 +75,7 @@
 	 * @param id
 	 *            the identity of the object the new instance tracks.
 	 */
-	public PackedObjectInfo(final AnyObjectId id) {
+	public PackedObjectInfo(AnyObjectId id) {
 		super(id);
 	}
 
@@ -95,7 +95,7 @@
 	 * @param offset
 	 *            offset where written object starts
 	 */
-	public void setOffset(final long offset) {
+	public void setOffset(long offset) {
 		this.offset = offset;
 	}
 
@@ -116,7 +116,7 @@
 	 *            inflated length and delta base reference) as computed by
 	 *            {@link java.util.zip.CRC32}.
 	 */
-	public void setCRC(final int crc) {
+	public void setCRC(int crc) {
 		this.crc = crc;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
index 87064e1..cc556f8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineIn.java
@@ -74,6 +74,13 @@
 	/** Magic return from {@link #readString()} when a flush packet is found. */
 	public static final String END = new StringBuilder(0).toString(); 	/* must not string pool */
 
+	/**
+	 * Magic return from {@link #readString()} when a delim packet is found.
+	 *
+	 * @since 5.0
+	 */
+	public static final String DELIM = new StringBuilder(0).toString(); 	/* must not string pool */
+
 	static enum AckNackResult {
 		/** NAK */
 		NAK,
@@ -115,7 +122,7 @@
 		this.limit = limit;
 	}
 
-	AckNackResult readACK(final MutableObjectId returnedId) throws IOException {
+	AckNackResult readACK(MutableObjectId returnedId) throws IOException {
 		final String line = readString();
 		if (line.length() == 0)
 			throw new PackProtocolException(JGitText.get().expectedACKNAKFoundEOF);
@@ -147,6 +154,7 @@
 	 * use {@link #readStringRaw()} instead.
 	 *
 	 * @return the string. {@link #END} if the string was the magic flush
+	 *         packet, {@link #DELIM} if the string was the magic DELIM
 	 *         packet.
 	 * @throws java.io.IOException
 	 *             the stream cannot be read.
@@ -157,6 +165,10 @@
 			log.debug("git< 0000"); //$NON-NLS-1$
 			return END;
 		}
+		if (len == 1) {
+			log.debug("git< 0001"); //$NON-NLS-1$
+			return DELIM;
+		}
 
 		len -= 4; // length header (4 bytes)
 		if (len == 0) {
@@ -232,6 +244,8 @@
 
 		if (len == 0) {
 			return 0;
+		} else if (len == 1) {
+			return 1;
 		} else if (len < 4) {
 			throw invalidHeader();
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineOut.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineOut.java
index 48bdd01..a26d1d7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineOut.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PacketLineOut.java
@@ -78,7 +78,7 @@
 	 * @param outputStream
 	 *            stream.
 	 */
-	public PacketLineOut(final OutputStream outputStream) {
+	public PacketLineOut(OutputStream outputStream) {
 		out = outputStream;
 		lenbuffer = new byte[5];
 		flushOnEnd = true;
@@ -104,7 +104,7 @@
 	 *             the packet could not be written, the stream is corrupted as
 	 *             the packet may have been only partially written.
 	 */
-	public void writeString(final String s) throws IOException {
+	public void writeString(String s) throws IOException {
 		writePacket(Constants.encode(s));
 	}
 
@@ -147,6 +147,20 @@
 	}
 
 	/**
+	 * Write a packet delim marker (0001).
+	 *
+	 * @throws java.io.IOException
+	 *             the marker could not be written, the stream is corrupted
+	 *             as the marker may have been only partially written.
+	 * @since 5.0
+	 */
+	public void writeDelim() throws IOException {
+		formatLength(1);
+		out.write(lenbuffer, 0, 4);
+		log.debug("git> 0001"); //$NON-NLS-1$
+	}
+
+	/**
 	 * Write a packet end marker, sometimes referred to as a flush command.
 	 * <p>
 	 * Technically this is a magical packet type which can be detected
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ProgressSpinner.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ProgressSpinner.java
index 41af807..2364434 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ProgressSpinner.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ProgressSpinner.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.IOException;
 import java.io.OutputStream;
@@ -141,7 +141,7 @@
 	private void write(String s) {
 		if (write) {
 			try {
-				out.write(s.getBytes(UTF_8));
+				out.write(s.getBytes(CHARSET));
 				out.flush();
 			} catch (IOException e) {
 				write = false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateIdent.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateIdent.java
index f9fddbe..178c80d 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateIdent.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateIdent.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.util.RawParseUtils.lastIndexOfTrim;
 
 import java.text.SimpleDateFormat;
@@ -95,7 +95,7 @@
 	 */
 	public static PushCertificateIdent parse(String str) {
 		MutableInteger p = new MutableInteger();
-		byte[] raw = str.getBytes(UTF_8);
+		byte[] raw = str.getBytes(CHARSET);
 		int tzBegin = raw.length - 1;
 		tzBegin = lastIndexOfTrim(raw, ' ', tzBegin);
 		if (tzBegin < 0 || raw[tzBegin] != ' ') {
@@ -129,7 +129,7 @@
 				idEnd = raw.length;
 			}
 		}
-		String id = new String(raw, 0, idEnd, UTF_8);
+		String id = new String(raw, 0, idEnd, CHARSET);
 
 		return new PushCertificateIdent(str, id, when * 1000L, tz);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateStore.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateStore.java
index ab58a33..7f5a340 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateStore.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushCertificateStore.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.OBJ_BLOB;
 import static org.eclipse.jgit.lib.Constants.OBJ_COMMIT;
 import static org.eclipse.jgit.lib.FileMode.TYPE_FILE;
@@ -192,7 +192,7 @@
 	 * @return iterable over certificates; must be fully iterated in order to
 	 *         close resources.
 	 */
-	public Iterable<PushCertificate> getAll(final String refName) {
+	public Iterable<PushCertificate> getAll(String refName) {
 		return new Iterable<PushCertificate>() {
 			@Override
 			public Iterator<PushCertificate> iterator() {
@@ -292,7 +292,7 @@
 		ObjectLoader loader =
 				tw.getObjectReader().open(tw.getObjectId(0), OBJ_BLOB);
 		try (InputStream in = loader.openStream();
-				Reader r = new BufferedReader(new InputStreamReader(in, UTF_8))) {
+				Reader r = new BufferedReader(new InputStreamReader(in, CHARSET))) {
 			return PushCertificateParser.fromReader(r);
 		}
 	}
@@ -473,7 +473,7 @@
 
 		DirCacheEditor editor = dc.editor();
 		String certText = pc.cert.toText() + pc.cert.getSignature();
-		final ObjectId certId = inserter.insert(OBJ_BLOB, certText.getBytes(UTF_8));
+		final ObjectId certId = inserter.insert(OBJ_BLOB, certText.getBytes(CHARSET));
 		boolean any = false;
 		for (ReceiveCommand cmd : pc.cert.getCommands()) {
 			if (byRef != null && !commandsEqual(cmd, byRef.get(cmd.getRefName()))) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
index 3201732..470a3c0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushProcess.java
@@ -48,7 +48,7 @@
 import java.text.MessageFormat;
 import java.util.Collection;
 import java.util.Collections;
-import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -124,10 +124,10 @@
 			throws TransportException {
 		this.walker = new RevWalk(transport.local);
 		this.transport = transport;
-		this.toPush = new HashMap<>();
+		this.toPush = new LinkedHashMap<>();
 		this.out = out;
 		this.pushOptions = transport.getPushOptions();
-		for (final RemoteRefUpdate rru : toPush) {
+		for (RemoteRefUpdate rru : toPush) {
 			if (this.toPush.put(rru.getRemoteName(), rru) != null)
 				throw new TransportException(MessageFormat.format(
 						JGitText.get().duplicateRemoteRefUpdateIsIllegal, rru.getRemoteName()));
@@ -150,7 +150,7 @@
 	 *             when some error occurred during operation, like I/O, protocol
 	 *             error, or local database consistency error.
 	 */
-	PushResult execute(final ProgressMonitor monitor)
+	PushResult execute(ProgressMonitor monitor)
 			throws NotSupportedException, TransportException {
 		try {
 			monitor.beginTask(PROGRESS_OPENING_CONNECTION,
@@ -176,7 +176,7 @@
 			}
 			if (!transport.isDryRun())
 				updateTrackingRefs();
-			for (final RemoteRefUpdate rru : toPush.values()) {
+			for (RemoteRefUpdate rru : toPush.values()) {
 				final TrackingRefUpdate tru = rru.getTrackingRefUpdate();
 				if (tru != null)
 					res.add(tru);
@@ -190,8 +190,8 @@
 	private Map<String, RemoteRefUpdate> prepareRemoteUpdates()
 			throws TransportException {
 		boolean atomic = transport.isPushAtomic();
-		final Map<String, RemoteRefUpdate> result = new HashMap<>();
-		for (final RemoteRefUpdate rru : toPush.values()) {
+		final Map<String, RemoteRefUpdate> result = new LinkedHashMap<>();
+		for (RemoteRefUpdate rru : toPush.values()) {
 			final Ref advertisedRef = connection.getRef(rru.getRemoteName());
 			ObjectId advertisedOld = null;
 			if (advertisedRef != null) {
@@ -277,13 +277,13 @@
 	}
 
 	private void modifyUpdatesForDryRun() {
-		for (final RemoteRefUpdate rru : toPush.values())
+		for (RemoteRefUpdate rru : toPush.values())
 			if (rru.getStatus() == Status.NOT_ATTEMPTED)
 				rru.setStatus(Status.OK);
 	}
 
 	private void updateTrackingRefs() {
-		for (final RemoteRefUpdate rru : toPush.values()) {
+		for (RemoteRefUpdate rru : toPush.values()) {
 			final Status status = rru.getStatus();
 			if (rru.hasTrackingRefUpdate()
 					&& (status == Status.UP_TO_DATE || status == Status.OK)) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushResult.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushResult.java
index 8bae5a5..5452704 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushResult.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PushResult.java
@@ -82,7 +82,7 @@
 	 *            remote ref name
 	 * @return status of remote ref update
 	 */
-	public RemoteRefUpdate getRemoteUpdate(final String refName) {
+	public RemoteRefUpdate getRemoteUpdate(String refName) {
 		return remoteUpdates.get(refName);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceiveCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceiveCommand.java
index e14d18f..d61aeb0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceiveCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceiveCommand.java
@@ -713,7 +713,7 @@
 	 * @param s
 	 *            the new status code for this command.
 	 */
-	public void setResult(final Result s) {
+	public void setResult(Result s) {
 		setResult(s, null);
 	}
 
@@ -725,7 +725,7 @@
 	 * @param m
 	 *            optional message explaining the new status.
 	 */
-	public void setResult(final Result s, final String m) {
+	public void setResult(Result s, String m) {
 		status = s;
 		message = m;
 	}
@@ -770,7 +770,7 @@
 	 *            receive-pack session.
 	 * @since 2.0
 	 */
-	public void execute(final BaseReceivePack rp) {
+	public void execute(BaseReceivePack rp) {
 		try {
 			String expTarget = getOldSymref();
 			boolean detach = getNewSymref() != null
@@ -818,11 +818,11 @@
 		}
 	}
 
-	void setRef(final Ref r) {
+	void setRef(Ref r) {
 		ref = r;
 	}
 
-	void setType(final Type t) {
+	void setType(Type t) {
 		type = t;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
index 7c5f32a..35fb0b17 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/ReceivePack.java
@@ -88,7 +88,7 @@
 	 * @param into
 	 *            the destination repository.
 	 */
-	public ReceivePack(final Repository into) {
+	public ReceivePack(Repository into) {
 		super(into);
 		preReceive = PreReceiveHook.NULL;
 		postReceive = PostReceiveHook.NULL;
@@ -154,7 +154,7 @@
 	 * @param h
 	 *            the hook instance; may be null to disable the hook.
 	 */
-	public void setPreReceiveHook(final PreReceiveHook h) {
+	public void setPreReceiveHook(PreReceiveHook h) {
 		preReceive = h != null ? h : PreReceiveHook.NULL;
 	}
 
@@ -178,7 +178,7 @@
 	 * @param h
 	 *            the hook instance; may be null to disable the hook.
 	 */
-	public void setPostReceiveHook(final PostReceiveHook h) {
+	public void setPostReceiveHook(PostReceiveHook h) {
 		postReceive = h != null ? h : PostReceiveHook.NULL;
 	}
 
@@ -288,7 +288,7 @@
 				if (echoCommandFailures && msgOut != null) {
 					sendStatusReport(false, unpackError, new Reporter() {
 						@Override
-						void sendString(final String s) throws IOException {
+						void sendString(String s) throws IOException {
 							msgOut.write(Constants.encode(s + "\n")); //$NON-NLS-1$
 						}
 					});
@@ -301,7 +301,7 @@
 				}
 				sendStatusReport(true, unpackError, new Reporter() {
 					@Override
-					void sendString(final String s) throws IOException {
+					void sendString(String s) throws IOException {
 						pckOut.writeString(s + "\n"); //$NON-NLS-1$
 					}
 				});
@@ -309,7 +309,7 @@
 			} else if (msgOut != null) {
 				sendStatusReport(false, unpackError, new Reporter() {
 					@Override
-					void sendString(final String s) throws IOException {
+					void sendString(String s) throws IOException {
 						msgOut.write(Constants.encode(s + "\n")); //$NON-NLS-1$
 					}
 				});
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefAdvertiser.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefAdvertiser.java
index 5eb1661..dc1871b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefAdvertiser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefAdvertiser.java
@@ -43,7 +43,7 @@
 
 package org.eclipse.jgit.transport;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 import static org.eclipse.jgit.lib.Constants.OBJECT_ID_STRING_LENGTH;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_SYMREF;
 
@@ -53,11 +53,12 @@
 import java.nio.charset.CharacterCodingException;
 import java.nio.charset.CharsetEncoder;
 import java.nio.charset.CoderResult;
+import java.util.Collection;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Map;
 import java.util.Set;
-import java.util.SortedMap;
 
 import org.eclipse.jgit.lib.AnyObjectId;
 import org.eclipse.jgit.lib.Constants;
@@ -65,7 +66,6 @@
 import org.eclipse.jgit.lib.Ref;
 import org.eclipse.jgit.lib.RefComparator;
 import org.eclipse.jgit.lib.Repository;
-import org.eclipse.jgit.util.RefMap;
 
 /**
  * Support for the start of {@link org.eclipse.jgit.transport.UploadPack} and
@@ -74,7 +74,7 @@
 public abstract class RefAdvertiser {
 	/** Advertiser which frames lines in a {@link PacketLineOut} format. */
 	public static class PacketLineOutRefAdvertiser extends RefAdvertiser {
-		private final CharsetEncoder utf8 = UTF_8.newEncoder();
+		private final CharsetEncoder utf8 = CHARSET.newEncoder();
 		private final PacketLineOut pckOut;
 
 		private byte[] binArr = new byte[256];
@@ -152,7 +152,7 @@
 		}
 
 		@Override
-		protected void writeOne(final CharSequence line) throws IOException {
+		protected void writeOne(CharSequence line) throws IOException {
 			pckOut.writeString(line.toString());
 		}
 
@@ -176,6 +176,11 @@
 
 	boolean first = true;
 
+	private boolean useProtocolV2;
+
+	/* only used in protocol v2 */
+	private final Map<String, String> symrefs = new HashMap<>();
+
 	/**
 	 * Initialize this advertiser with a repository for peeling tags.
 	 *
@@ -187,6 +192,16 @@
 	}
 
 	/**
+	 * @param b
+	 *              true if this advertiser should advertise using the protocol
+	 *              v2 format, false otherwise
+	 * @since 5.0
+	 */
+	public void setUseProtocolV2(boolean b) {
+		useProtocolV2 = b;
+	}
+
+	/**
 	 * Toggle tag peeling.
 	 * <p>
 	 * <p>
@@ -199,7 +214,7 @@
 	 *            true to show the dereferenced value of a tag as the special
 	 *            ref <code>$tag^{}</code> ; false to omit it from the output.
 	 */
-	public void setDerefTags(final boolean deref) {
+	public void setDerefTags(boolean deref) {
 		derefTags = deref;
 	}
 
@@ -253,7 +268,11 @@
 	 * @since 3.6
 	 */
 	public void addSymref(String from, String to) {
-		advertiseCapability(OPTION_SYMREF, from + ':' + to);
+		if (useProtocolV2) {
+			symrefs.put(from, to);
+		} else {
+			advertiseCapability(OPTION_SYMREF, from + ':' + to);
+		}
 	}
 
 	/**
@@ -267,13 +286,55 @@
 	 * @throws java.io.IOException
 	 *             the underlying output stream failed to write out an
 	 *             advertisement record.
+	 * @deprecated use {@link #send(Collection)} instead.
 	 */
+	@Deprecated
 	public Set<ObjectId> send(Map<String, Ref> refs) throws IOException {
-		for (Ref ref : getSortedRefs(refs)) {
-			if (ref.getObjectId() == null)
-				continue;
+		return send(refs.values());
+	}
 
-			advertiseAny(ref.getObjectId(), ref.getName());
+	/**
+	 * Format an advertisement for the supplied refs.
+	 *
+	 * @param refs
+	 *            zero or more refs to format for the client. The collection is
+	 *            sorted before display if necessary, and therefore may appear
+	 *            in any order.
+	 * @return set of ObjectIds that were advertised to the client.
+	 * @throws java.io.IOException
+	 *             the underlying output stream failed to write out an
+	 *             advertisement record.
+	 * @since 5.0
+	 */
+	public Set<ObjectId> send(Collection<Ref> refs) throws IOException {
+		for (Ref ref : RefComparator.sort(refs)) {
+			// TODO(jrn) revive the SortedMap optimization e.g. by introducing
+			// SortedList
+			ObjectId objectId = ref.getObjectId();
+			if (objectId == null) {
+				continue;
+			}
+
+			if (useProtocolV2) {
+				String symrefPart = symrefs.containsKey(ref.getName())
+						? (" symref-target:" + symrefs.get(ref.getName())) //$NON-NLS-1$
+						: ""; //$NON-NLS-1$
+				String peelPart = ""; //$NON-NLS-1$
+				if (derefTags) {
+					if (!ref.isPeeled() && repository != null) {
+						ref = repository.getRefDatabase().peel(ref);
+					}
+					ObjectId peeledObjectId = ref.getPeeledObjectId();
+					if (peeledObjectId != null) {
+						peelPart = " peeled:" + peeledObjectId.getName(); //$NON-NLS-1$
+					}
+				}
+				writeOne(objectId.getName() + " " + ref.getName() + symrefPart //$NON-NLS-1$
+						+ peelPart + "\n"); //$NON-NLS-1$
+				continue;
+			}
+
+			advertiseAny(objectId, ref.getName());
 
 			if (!derefTags)
 				continue;
@@ -281,7 +342,7 @@
 			if (!ref.isPeeled()) {
 				if (repository == null)
 					continue;
-				ref = repository.peel(ref);
+				ref = repository.getRefDatabase().peel(ref);
 			}
 
 			if (ref.getPeeledObjectId() != null)
@@ -290,13 +351,6 @@
 		return sent;
 	}
 
-	private Iterable<Ref> getSortedRefs(Map<String, Ref> all) {
-		if (all instanceof RefMap
-				|| (all instanceof SortedMap && ((SortedMap) all).comparator() == null))
-			return all.values();
-		return RefComparator.sort(all.values());
-	}
-
 	/**
 	 * Advertise one object is available using the magic {@code .have}.
 	 * <p>
@@ -324,13 +378,13 @@
 		return first;
 	}
 
-	private void advertiseAnyOnce(AnyObjectId obj, final String refName)
+	private void advertiseAnyOnce(AnyObjectId obj, String refName)
 			throws IOException {
 		if (!sent.contains(obj))
 			advertiseAny(obj, refName);
 	}
 
-	private void advertiseAny(AnyObjectId obj, final String refName)
+	private void advertiseAny(AnyObjectId obj, String refName)
 			throws IOException {
 		sent.add(obj.toObjectId());
 		advertiseId(obj, refName);
@@ -351,7 +405,7 @@
 	 *             the underlying output stream failed to write out an
 	 *             advertisement record.
 	 */
-	public void advertiseId(final AnyObjectId id, final String refName)
+	public void advertiseId(AnyObjectId id, String refName)
 			throws IOException {
 		tmpLine.setLength(0);
 		id.copyTo(tmpId, tmpLine);
@@ -361,7 +415,7 @@
 			first = false;
 			if (!capablities.isEmpty()) {
 				tmpLine.append('\0');
-				for (final String capName : capablities) {
+				for (String capName : capablities) {
 					tmpLine.append(' ');
 					tmpLine.append(capName);
 				}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefFilter.java
index bbe4f84..992ddc6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefFilter.java
@@ -63,7 +63,7 @@
 	 */
 	public static final RefFilter DEFAULT = new RefFilter() {
 		@Override
-		public Map<String, Ref> filter (final Map<String, Ref> refs) {
+		public Map<String, Ref> filter (Map<String, Ref> refs) {
 			return refs;
 		}
 	};
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefSpec.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefSpec.java
index e1b306e..afd3ada 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefSpec.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RefSpec.java
@@ -72,7 +72,7 @@
 	 *            ref spec component - string to test. Can be null.
 	 * @return true if provided string is a wildcard ref spec component.
 	 */
-	public static boolean isWildcard(final String s) {
+	public static boolean isWildcard(String s) {
 		return s != null && s.contains("*"); //$NON-NLS-1$
 	}
 
@@ -222,11 +222,11 @@
 	 * @throws java.lang.IllegalArgumentException
 	 *             the specification is invalid.
 	 */
-	public RefSpec(final String spec) {
+	public RefSpec(String spec) {
 		this(spec, WildcardMode.REQUIRE_MATCH);
 	}
 
-	private RefSpec(final RefSpec p) {
+	private RefSpec(RefSpec p) {
 		force = p.isForceUpdate();
 		wildcard = p.isWildcard();
 		srcName = p.getSource();
@@ -250,7 +250,7 @@
 	 *            new value for force update in the returned instance.
 	 * @return a new RefSpec with force update as specified.
 	 */
-	public RefSpec setForceUpdate(final boolean forceUpdate) {
+	public RefSpec setForceUpdate(boolean forceUpdate) {
 		final RefSpec r = new RefSpec(this);
 		r.force = forceUpdate;
 		return r;
@@ -293,7 +293,7 @@
 	 *             status of the existing destination disagrees with the
 	 *             wildcard status of the new source.
 	 */
-	public RefSpec setSource(final String source) {
+	public RefSpec setSource(String source) {
 		final RefSpec r = new RefSpec(this);
 		r.srcName = checkValid(source);
 		if (isWildcard(r.srcName) && r.dstName == null)
@@ -332,7 +332,7 @@
 	 *             of the existing source disagrees with the wildcard status of
 	 *             the new destination.
 	 */
-	public RefSpec setDestination(final String destination) {
+	public RefSpec setDestination(String destination) {
 		final RefSpec r = new RefSpec(this);
 		r.dstName = checkValid(destination);
 		if (isWildcard(r.dstName) && r.srcName == null)
@@ -372,7 +372,7 @@
 	 *            ref name that should be tested.
 	 * @return true if the names match; false otherwise.
 	 */
-	public boolean matchSource(final String r) {
+	public boolean matchSource(String r) {
 		return match(r, getSource());
 	}
 
@@ -383,7 +383,7 @@
 	 *            ref whose name should be tested.
 	 * @return true if the names match; false otherwise.
 	 */
-	public boolean matchSource(final Ref r) {
+	public boolean matchSource(Ref r) {
 		return match(r.getName(), getSource());
 	}
 
@@ -394,7 +394,7 @@
 	 *            ref name that should be tested.
 	 * @return true if the names match; false otherwise.
 	 */
-	public boolean matchDestination(final String r) {
+	public boolean matchDestination(String r) {
 		return match(r, getDestination());
 	}
 
@@ -405,7 +405,7 @@
 	 *            ref whose name should be tested.
 	 * @return true if the names match; false otherwise.
 	 */
-	public boolean matchDestination(final Ref r) {
+	public boolean matchDestination(Ref r) {
 		return match(r.getName(), getDestination());
 	}
 
@@ -425,7 +425,7 @@
 	 *             when the RefSpec was constructed with wildcard mode that
 	 *             doesn't require matching wildcards.
 	 */
-	public RefSpec expandFromSource(final String r) {
+	public RefSpec expandFromSource(String r) {
 		if (allowMismatchedWildcards != WildcardMode.REQUIRE_MATCH) {
 			throw new IllegalStateException(
 					JGitText.get().invalidExpandWildcard);
@@ -433,7 +433,7 @@
 		return isWildcard() ? new RefSpec(this).expandFromSourceImp(r) : this;
 	}
 
-	private RefSpec expandFromSourceImp(final String name) {
+	private RefSpec expandFromSourceImp(String name) {
 		final String psrc = srcName, pdst = dstName;
 		wildcard = false;
 		srcName = name;
@@ -457,7 +457,7 @@
 	 *             when the RefSpec was constructed with wildcard mode that
 	 *             doesn't require matching wildcards.
 	 */
-	public RefSpec expandFromSource(final Ref r) {
+	public RefSpec expandFromSource(Ref r) {
 		return expandFromSource(r.getName());
 	}
 
@@ -477,7 +477,7 @@
 	 *             when the RefSpec was constructed with wildcard mode that
 	 *             doesn't require matching wildcards.
 	 */
-	public RefSpec expandFromDestination(final String r) {
+	public RefSpec expandFromDestination(String r) {
 		if (allowMismatchedWildcards != WildcardMode.REQUIRE_MATCH) {
 			throw new IllegalStateException(
 					JGitText.get().invalidExpandWildcard);
@@ -485,7 +485,7 @@
 		return isWildcard() ? new RefSpec(this).expandFromDstImp(r) : this;
 	}
 
-	private RefSpec expandFromDstImp(final String name) {
+	private RefSpec expandFromDstImp(String name) {
 		final String psrc = srcName, pdst = dstName;
 		wildcard = false;
 		srcName = expandWildcard(name, pdst, psrc);
@@ -508,11 +508,11 @@
 	 *             when the RefSpec was constructed with wildcard mode that
 	 *             doesn't require matching wildcards.
 	 */
-	public RefSpec expandFromDestination(final Ref r) {
+	public RefSpec expandFromDestination(Ref r) {
 		return expandFromDestination(r.getName());
 	}
 
-	private boolean match(final String name, final String s) {
+	private boolean match(String name, String s) {
 		if (s == null)
 			return false;
 		if (isWildcard(s)) {
@@ -541,7 +541,7 @@
 		return spec;
 	}
 
-	private static boolean isValid(final String s) {
+	private static boolean isValid(String s) {
 		if (s.startsWith("/")) //$NON-NLS-1$
 			return false;
 		if (s.contains("//")) //$NON-NLS-1$
@@ -569,7 +569,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object obj) {
+	public boolean equals(Object obj) {
 		if (!(obj instanceof RefSpec))
 			return false;
 		final RefSpec b = (RefSpec) obj;
@@ -584,7 +584,7 @@
 		return true;
 	}
 
-	private static boolean eq(final String a, final String b) {
+	private static boolean eq(String a, String b) {
 		if (a == b)
 			return true;
 		if (a == null || b == null)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteConfig.java
index 7b882ec..0a621f1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteConfig.java
@@ -112,7 +112,7 @@
 	 * @throws java.net.URISyntaxException
 	 *             one of the URIs within the remote's configuration is invalid.
 	 */
-	public static List<RemoteConfig> getAllRemoteConfigs(final Config rc)
+	public static List<RemoteConfig> getAllRemoteConfigs(Config rc)
 			throws URISyntaxException {
 		final List<String> names = new ArrayList<>(rc
 				.getSubsections(SECTION));
@@ -120,7 +120,7 @@
 
 		final List<RemoteConfig> result = new ArrayList<>(names
 				.size());
-		for (final String name : names)
+		for (String name : names)
 			result.add(new RemoteConfig(rc, name));
 		return result;
 	}
@@ -160,7 +160,7 @@
 	 * @throws java.net.URISyntaxException
 	 *             one of the URIs within the remote's configuration is invalid.
 	 */
-	public RemoteConfig(final Config rc, final String remoteName)
+	public RemoteConfig(Config rc, String remoteName)
 			throws URISyntaxException {
 		name = remoteName;
 
@@ -170,12 +170,12 @@
 		vlst = rc.getStringList(SECTION, name, KEY_URL);
 		Map<String, String> insteadOf = getReplacements(rc, KEY_INSTEADOF);
 		uris = new ArrayList<>(vlst.length);
-		for (final String s : vlst) {
+		for (String s : vlst) {
 			uris.add(new URIish(replaceUri(s, insteadOf)));
 		}
 		String[] plst = rc.getStringList(SECTION, name, KEY_PUSHURL);
 		pushURIs = new ArrayList<>(plst.length);
-		for (final String s : plst) {
+		for (String s : plst) {
 			pushURIs.add(new URIish(s));
 		}
 		if (pushURIs.isEmpty()) {
@@ -223,26 +223,26 @@
 	 * @param rc
 	 *            the configuration file to store ourselves into.
 	 */
-	public void update(final Config rc) {
+	public void update(Config rc) {
 		final List<String> vlst = new ArrayList<>();
 
 		vlst.clear();
-		for (final URIish u : getURIs())
+		for (URIish u : getURIs())
 			vlst.add(u.toPrivateString());
 		rc.setStringList(SECTION, getName(), KEY_URL, vlst);
 
 		vlst.clear();
-		for (final URIish u : getPushURIs())
+		for (URIish u : getPushURIs())
 			vlst.add(u.toPrivateString());
 		rc.setStringList(SECTION, getName(), KEY_PUSHURL, vlst);
 
 		vlst.clear();
-		for (final RefSpec u : getFetchRefSpecs())
+		for (RefSpec u : getFetchRefSpecs())
 			vlst.add(u.toString());
 		rc.setStringList(SECTION, getName(), KEY_FETCH, vlst);
 
 		vlst.clear();
-		for (final RefSpec u : getPushRefSpecs())
+		for (RefSpec u : getPushRefSpecs())
 			vlst.add(u.toString());
 		rc.setStringList(SECTION, getName(), KEY_PUSH, vlst);
 
@@ -277,7 +277,7 @@
 			rc.setInt(SECTION, getName(), key, currentValue);
 	}
 
-	private void unset(final Config rc, final String key) {
+	private void unset(Config rc, String key) {
 		rc.unset(SECTION, getName(), key);
 	}
 
@@ -335,7 +335,7 @@
 	 *            the new URI to add to this remote.
 	 * @return true if the URI was added; false if it already exists.
 	 */
-	public boolean addURI(final URIish toAdd) {
+	public boolean addURI(URIish toAdd) {
 		if (uris.contains(toAdd))
 			return false;
 		return uris.add(toAdd);
@@ -348,7 +348,7 @@
 	 *            the URI to remove from this remote.
 	 * @return true if the URI was added; false if it already exists.
 	 */
-	public boolean removeURI(final URIish toRemove) {
+	public boolean removeURI(URIish toRemove) {
 		return uris.remove(toRemove);
 	}
 
@@ -368,7 +368,7 @@
 	 *            the new URI to add to this remote.
 	 * @return true if the URI was added; false if it already exists.
 	 */
-	public boolean addPushURI(final URIish toAdd) {
+	public boolean addPushURI(URIish toAdd) {
 		if (pushURIs.contains(toAdd))
 			return false;
 		return pushURIs.add(toAdd);
@@ -381,7 +381,7 @@
 	 *            the URI to remove from this remote.
 	 * @return true if the URI was added; false if it already exists.
 	 */
-	public boolean removePushURI(final URIish toRemove) {
+	public boolean removePushURI(URIish toRemove) {
 		return pushURIs.remove(toRemove);
 	}
 
@@ -401,7 +401,7 @@
 	 *            the new specification to add.
 	 * @return true if the specification was added; false if it already exists.
 	 */
-	public boolean addFetchRefSpec(final RefSpec s) {
+	public boolean addFetchRefSpec(RefSpec s) {
 		if (fetch.contains(s))
 			return false;
 		return fetch.add(s);
@@ -414,7 +414,7 @@
 	 *            list of fetch specifications to set. List is copied, it can be
 	 *            modified after this call.
 	 */
-	public void setFetchRefSpecs(final List<RefSpec> specs) {
+	public void setFetchRefSpecs(List<RefSpec> specs) {
 		fetch.clear();
 		fetch.addAll(specs);
 	}
@@ -426,7 +426,7 @@
 	 *            list of push specifications to set. List is copied, it can be
 	 *            modified after this call.
 	 */
-	public void setPushRefSpecs(final List<RefSpec> specs) {
+	public void setPushRefSpecs(List<RefSpec> specs) {
 		push.clear();
 		push.addAll(specs);
 	}
@@ -438,7 +438,7 @@
 	 *            the specification to remove.
 	 * @return true if the specification existed and was removed.
 	 */
-	public boolean removeFetchRefSpec(final RefSpec s) {
+	public boolean removeFetchRefSpec(RefSpec s) {
 		return fetch.remove(s);
 	}
 
@@ -458,7 +458,7 @@
 	 *            the new specification to add.
 	 * @return true if the specification was added; false if it already exists.
 	 */
-	public boolean addPushRefSpec(final RefSpec s) {
+	public boolean addPushRefSpec(RefSpec s) {
 		if (push.contains(s))
 			return false;
 		return push.add(s);
@@ -471,7 +471,7 @@
 	 *            the specification to remove.
 	 * @return true if the specification existed and was removed.
 	 */
-	public boolean removePushRefSpec(final RefSpec s) {
+	public boolean removePushRefSpec(RefSpec s) {
 		return push.remove(s);
 	}
 
@@ -520,7 +520,7 @@
 	 * @param option
 	 *            method to use when handling annotated tags.
 	 */
-	public void setTagOpt(final TagOpt option) {
+	public void setTagOpt(TagOpt option) {
 		tagopt = option != null ? option : TagOpt.AUTO_FOLLOW;
 	}
 
@@ -541,7 +541,7 @@
 	 * @param m
 	 *            true to automatically delete remote refs during push.
 	 */
-	public void setMirror(final boolean m) {
+	public void setMirror(boolean m) {
 		mirror = m;
 	}
 
@@ -562,7 +562,7 @@
 	 *            before aborting an IO read or write operation with this
 	 *            remote.  A timeout of 0 will block indefinitely.
 	 */
-	public void setTimeout(final int seconds) {
+	public void setTimeout(int seconds) {
 		timeout = seconds;
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteRefUpdate.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteRefUpdate.java
index 3e9b16e..931653f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteRefUpdate.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/RemoteRefUpdate.java
@@ -481,7 +481,7 @@
 		expectedOldObjectId = id;
 	}
 
-	void setStatus(final Status status) {
+	void setStatus(Status status) {
 		this.status = status;
 	}
 
@@ -489,7 +489,7 @@
 		this.fastForward = fastForward;
 	}
 
-	void setMessage(final String message) {
+	void setMessage(String message) {
 		this.message = message;
 	}
 
@@ -501,7 +501,7 @@
 	 * @throws java.io.IOException
 	 *             when I/O error occurred during update
 	 */
-	protected void updateTrackingRef(final RevWalk walk) throws IOException {
+	protected void updateTrackingRef(RevWalk walk) throws IOException {
 		if (isDelete())
 			trackingRefUpdate.setResult(localUpdate.delete(walk));
 		else
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
index 15338a3..3100cb4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandInputStream.java
@@ -133,7 +133,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int read(final byte[] b, int off, int len) throws IOException {
+	public int read(byte[] b, int off, int len) throws IOException {
 		int r = 0;
 		while (len > 0) {
 			needDataPacket();
@@ -203,7 +203,7 @@
 		progressBuffer = pkt;
 	}
 
-	private void doProgressLine(final String msg) throws IOException {
+	private void doProgressLine(String msg) throws IOException {
 		Matcher matcher;
 
 		matcher = P_BOUNDED.matcher(msg);
@@ -239,7 +239,7 @@
 			out.write(msg.getBytes());
 	}
 
-	private void beginTask(final int totalWorkUnits) {
+	private void beginTask(int totalWorkUnits) {
 		monitor.beginTask(remote(currentTask), totalWorkUnits);
 	}
 
@@ -254,7 +254,7 @@
 		return r.toString();
 	}
 
-	private String readString(final int len) throws IOException {
+	private String readString(int len) throws IOException {
 		final byte[] raw = new byte[len];
 		IO.readFully(rawIn, raw, 0, len);
 		return RawParseUtils.decode(Constants.CHARSET, raw, 0, len);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandOutputStream.java
index af65827..b2cc1b6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandOutputStream.java
@@ -102,7 +102,7 @@
 	 *            stream that the packets are written onto. This stream should
 	 *            be attached to a SideBandInputStream on the remote side.
 	 */
-	public SideBandOutputStream(final int chan, final int sz, final OutputStream os) {
+	public SideBandOutputStream(int chan, int sz, OutputStream os) {
 		if (chan <= 0 || chan > 255)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().channelMustBeInRange1_255,
@@ -136,7 +136,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(final byte[] b, int off, int len) throws IOException {
+	public void write(byte[] b, int off, int len) throws IOException {
 		while (0 < len) {
 			int capacity = buffer.length - cnt;
 			if (cnt == HDR_SIZE && capacity < len) {
@@ -163,7 +163,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(final int b) throws IOException {
+	public void write(int b) throws IOException {
 		if (cnt == buffer.length)
 			writeBuffer();
 		buffer[cnt++] = (byte) b;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandProgressMonitor.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandProgressMonitor.java
index 365545a..8a3e4ef 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandProgressMonitor.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SideBandProgressMonitor.java
@@ -55,7 +55,7 @@
 
 	private boolean write;
 
-	SideBandProgressMonitor(final OutputStream os) {
+	SideBandProgressMonitor(OutputStream os) {
 		out = os;
 		write = true;
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
index e002233..ae357df 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/SshSessionFactory.java
@@ -80,7 +80,7 @@
 	 *            factory for future sessions to be created through. If null the
 	 *            default factory will be restored.s
 	 */
-	public static void setInstance(final SshSessionFactory newFactory) {
+	public static void setInstance(SshSessionFactory newFactory) {
 		if (newFactory != null)
 			INSTANCE = newFactory;
 		else
@@ -121,7 +121,7 @@
 	 *            {@link #getSession(URIish, CredentialsProvider, FS, int)}
 	 *            method.
 	 */
-	public void releaseSession(final RemoteSession session) {
+	public void releaseSession(RemoteSession session) {
 		session.disconnect();
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TagOpt.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TagOpt.java
index e1134e8..cd17913 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TagOpt.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TagOpt.java
@@ -84,7 +84,7 @@
 
 	private final String option;
 
-	private TagOpt(final String o) {
+	private TagOpt(String o) {
 		option = o;
 	}
 
@@ -104,10 +104,10 @@
 	 *            the configuration file text value.
 	 * @return the option that matches the passed parameter.
 	 */
-	public static TagOpt fromOption(final String o) {
+	public static TagOpt fromOption(String o) {
 		if (o == null || o.length() == 0)
 			return AUTO_FOLLOW;
-		for (final TagOpt tagopt : values()) {
+		for (TagOpt tagopt : values()) {
 			if (tagopt.option().equals(o))
 				return tagopt;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransferConfig.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransferConfig.java
index 4c70725..4ae1ccb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransferConfig.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransferConfig.java
@@ -62,8 +62,8 @@
 import org.eclipse.jgit.util.SystemReader;
 
 /**
- * The standard "transfer", "fetch", "receive", and "uploadpack" configuration
- * parameters.
+ * The standard "transfer", "fetch", "protocol", "receive", and "uploadpack"
+ * configuration parameters.
  */
 public class TransferConfig {
 	private static final String FSCK = "fsck"; //$NON-NLS-1$
@@ -92,6 +92,33 @@
 		IGNORE;
 	}
 
+	/**
+	 * A git configuration variable for which versions of the Git protocol to prefer.
+	 * Used in protocol.version.
+	 */
+	enum ProtocolVersion {
+		V0("0"), //$NON-NLS-1$
+		V2("2"); //$NON-NLS-1$
+
+		final String name;
+
+		ProtocolVersion(String name) {
+			this.name = name;
+		}
+
+		static @Nullable ProtocolVersion parse(@Nullable String name) {
+			if (name == null) {
+				return null;
+			}
+			for (ProtocolVersion v : ProtocolVersion.values()) {
+				if (v.name.equals(name)) {
+					return v;
+				}
+			}
+			return null;
+		}
+	}
+
 	private final boolean fetchFsck;
 	private final boolean receiveFsck;
 	private final String fsckSkipList;
@@ -101,32 +128,36 @@
 	private final boolean safeForMacOS;
 	private final boolean allowTipSha1InWant;
 	private final boolean allowReachableSha1InWant;
+	private final boolean allowFilter;
+	final @Nullable ProtocolVersion protocolVersion;
 	final String[] hideRefs;
 
-	TransferConfig(final Repository db) {
+	TransferConfig(Repository db) {
 		this(db.getConfig());
 	}
 
-	TransferConfig(final Config rc) {
-		boolean fsck = rc.getBoolean("transfer", "fsckobjects", false); //$NON-NLS-1$ //$NON-NLS-2$
-		fetchFsck = rc.getBoolean("fetch", "fsckobjects", fsck); //$NON-NLS-1$ //$NON-NLS-2$
-		receiveFsck = rc.getBoolean("receive", "fsckobjects", fsck); //$NON-NLS-1$ //$NON-NLS-2$
-		fsckSkipList = rc.getString(FSCK, null, "skipList"); //$NON-NLS-1$
-		allowInvalidPersonIdent = rc.getBoolean(FSCK, "allowInvalidPersonIdent", false); //$NON-NLS-1$
-		safeForWindows = rc.getBoolean(FSCK, "safeForWindows", //$NON-NLS-1$
+	@SuppressWarnings("nls")
+	TransferConfig(Config rc) {
+		boolean fsck = rc.getBoolean("transfer", "fsckobjects", false);
+		fetchFsck = rc.getBoolean("fetch", "fsckobjects", fsck);
+		receiveFsck = rc.getBoolean("receive", "fsckobjects", fsck);
+		fsckSkipList = rc.getString(FSCK, null, "skipList");
+		allowInvalidPersonIdent = rc.getBoolean(FSCK, "allowInvalidPersonIdent",
+				false);
+		safeForWindows = rc.getBoolean(FSCK, "safeForWindows",
 						SystemReader.getInstance().isWindows());
-		safeForMacOS = rc.getBoolean(FSCK, "safeForMacOS", //$NON-NLS-1$
+		safeForMacOS = rc.getBoolean(FSCK, "safeForMacOS",
 						SystemReader.getInstance().isMacOS());
 
 		ignore = EnumSet.noneOf(ObjectChecker.ErrorType.class);
 		EnumSet<ObjectChecker.ErrorType> set = EnumSet
 				.noneOf(ObjectChecker.ErrorType.class);
 		for (String key : rc.getNames(FSCK)) {
-			if (equalsIgnoreCase(key, "skipList") //$NON-NLS-1$
-					|| equalsIgnoreCase(key, "allowLeadingZeroFileMode") //$NON-NLS-1$
-					|| equalsIgnoreCase(key, "allowInvalidPersonIdent") //$NON-NLS-1$
-					|| equalsIgnoreCase(key, "safeForWindows") //$NON-NLS-1$
-					|| equalsIgnoreCase(key, "safeForMacOS")) { //$NON-NLS-1$
+			if (equalsIgnoreCase(key, "skipList")
+					|| equalsIgnoreCase(key, "allowLeadingZeroFileMode")
+					|| equalsIgnoreCase(key, "allowInvalidPersonIdent")
+					|| equalsIgnoreCase(key, "safeForWindows")
+					|| equalsIgnoreCase(key, "safeForMacOS")) {
 				continue;
 			}
 
@@ -145,15 +176,18 @@
 			}
 		}
 		if (!set.contains(ObjectChecker.ErrorType.ZERO_PADDED_FILEMODE)
-				&& rc.getBoolean(FSCK, "allowLeadingZeroFileMode", false)) { //$NON-NLS-1$
+				&& rc.getBoolean(FSCK, "allowLeadingZeroFileMode", false)) {
 			ignore.add(ObjectChecker.ErrorType.ZERO_PADDED_FILEMODE);
 		}
 
 		allowTipSha1InWant = rc.getBoolean(
-				"uploadpack", "allowtipsha1inwant", false); //$NON-NLS-1$ //$NON-NLS-2$
+				"uploadpack", "allowtipsha1inwant", false);
 		allowReachableSha1InWant = rc.getBoolean(
-				"uploadpack", "allowreachablesha1inwant", false); //$NON-NLS-1$ //$NON-NLS-2$
-		hideRefs = rc.getStringList("uploadpack", null, "hiderefs"); //$NON-NLS-1$ //$NON-NLS-2$
+				"uploadpack", "allowreachablesha1inwant", false);
+		allowFilter = rc.getBoolean(
+				"uploadpack", "allowfilter", false);
+		protocolVersion = ProtocolVersion.parse(rc.getString("protocol", null, "version"));
+		hideRefs = rc.getStringList("uploadpack", null, "hiderefs");
 	}
 
 	/**
@@ -220,6 +254,14 @@
 	}
 
 	/**
+	 * @return true if clients are allowed to specify a "filter" line
+	 * @since 5.0
+	 */
+	public boolean isAllowFilter() {
+		return allowFilter;
+	}
+
+	/**
 	 * Get {@link org.eclipse.jgit.transport.RefFilter} respecting configured
 	 * hidden refs.
 	 *
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java
index 8db796a..d342ef4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/Transport.java
@@ -46,11 +46,10 @@
 
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.OutputStream;
 import java.io.PrintStream;
@@ -64,7 +63,7 @@
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
-import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -144,17 +143,8 @@
 	}
 
 	private static void scan(ClassLoader ldr, URL url) {
-		BufferedReader br;
-		try {
-			InputStream urlIn = url.openStream();
-			br = new BufferedReader(new InputStreamReader(urlIn, "UTF-8")); //$NON-NLS-1$
-		} catch (IOException err) {
-			// If we cannot read from the service list, go to the next.
-			//
-			return;
-		}
-
-		try {
+		try (BufferedReader br = new BufferedReader(
+				new InputStreamReader(url.openStream(), CHARSET))) {
 			String line;
 			while ((line = br.readLine()) != null) {
 				line = line.trim();
@@ -167,15 +157,8 @@
 					line = line.substring(0, comment).trim();
 				load(ldr, line);
 			}
-		} catch (IOException err) {
-			// If we failed during a read, ignore the error.
-			//
-		} finally {
-			try {
-				br.close();
-			} catch (IOException e) {
-				// Ignore the close error; we are only reading.
-			}
+		} catch (IOException e) {
+			// Ignore errors
 		}
 	}
 
@@ -288,7 +271,7 @@
 	 * @throws org.eclipse.jgit.errors.TransportException
 	 *             the transport cannot open this URI.
 	 */
-	public static Transport open(final Repository local, final String remote)
+	public static Transport open(Repository local, String remote)
 			throws NotSupportedException, URISyntaxException,
 			TransportException {
 		return open(local, remote, Operation.FETCH);
@@ -410,7 +393,7 @@
 	 *             if provided remote configuration doesn't have any URI
 	 *             associated.
 	 */
-	public static Transport open(final Repository local, final RemoteConfig cfg)
+	public static Transport open(Repository local, RemoteConfig cfg)
 			throws NotSupportedException, TransportException {
 		return open(local, cfg, Operation.FETCH);
 	}
@@ -495,7 +478,7 @@
 			throws NotSupportedException, TransportException {
 		final List<URIish> uris = getURIs(cfg, op);
 		final List<Transport> transports = new ArrayList<>(uris.size());
-		for (final URIish uri : uris) {
+		for (URIish uri : uris) {
 			final Transport tn = open(local, uri, cfg.getName());
 			tn.applyConfig(cfg);
 			transports.add(tn);
@@ -519,7 +502,7 @@
 		}
 	}
 
-	private static boolean doesNotExist(final RemoteConfig cfg) {
+	private static boolean doesNotExist(RemoteConfig cfg) {
 		return cfg.getURIs().isEmpty() && cfg.getPushURIs().isEmpty();
 	}
 
@@ -536,7 +519,7 @@
 	 * @throws org.eclipse.jgit.errors.TransportException
 	 *             the transport cannot open this URI.
 	 */
-	public static Transport open(final Repository local, final URIish uri)
+	public static Transport open(Repository local, URIish uri)
 			throws NotSupportedException, TransportException {
 		return open(local, uri, null);
 	}
@@ -638,7 +621,7 @@
 		final List<RemoteRefUpdate> result = new LinkedList<>();
 		final Collection<RefSpec> procRefs = expandPushWildcardsFor(db, specs);
 
-		for (final RefSpec spec : procRefs) {
+		for (RefSpec spec : procRefs) {
 			String srcSpec = spec.getSource();
 			final Ref srcRef = db.findRef(srcSpec);
 			if (srcRef != null)
@@ -705,12 +688,12 @@
 	private static Collection<RefSpec> expandPushWildcardsFor(
 			final Repository db, final Collection<RefSpec> specs)
 			throws IOException {
-		final Map<String, Ref> localRefs = db.getRefDatabase().getRefs(ALL);
-		final Collection<RefSpec> procRefs = new HashSet<>();
+		final List<Ref> localRefs = db.getRefDatabase().getRefs();
+		final Collection<RefSpec> procRefs = new LinkedHashSet<>();
 
-		for (final RefSpec spec : specs) {
+		for (RefSpec spec : specs) {
 			if (spec.isWildcard()) {
-				for (final Ref localRef : localRefs.values()) {
+				for (Ref localRef : localRefs) {
 					if (spec.matchSource(localRef))
 						procRefs.add(spec.expandFromSource(localRef));
 				}
@@ -724,7 +707,7 @@
 	private static String findTrackingRefName(final String remoteName,
 			final Collection<RefSpec> fetchSpecs) {
 		// try to find matching tracking refs
-		for (final RefSpec fetchSpec : fetchSpecs) {
+		for (RefSpec fetchSpec : fetchSpecs) {
 			if (fetchSpec.matchSource(remoteName)) {
 				if (fetchSpec.isWildcard())
 					return fetchSpec.expandFromSource(remoteName)
@@ -807,6 +790,8 @@
 	/** Should refs no longer on the source be pruned from the destination? */
 	private boolean removeDeletedRefs;
 
+	private long filterBlobLimit = -1;
+
 	/** Timeout in seconds to wait before aborting an IO read or write. */
 	private int timeout;
 
@@ -833,7 +818,7 @@
 	 *            the URI used to access the remote repository. This must be the
 	 *            URI passed to {@link #open(Repository, URIish)}.
 	 */
-	protected Transport(final Repository local, final URIish uri) {
+	protected Transport(Repository local, URIish uri) {
 		final TransferConfig tc = local.getConfig().get(TransferConfig.KEY);
 		this.local = local;
 		this.uri = uri;
@@ -848,7 +833,7 @@
 	 * @param uri
 	 *            a {@link org.eclipse.jgit.transport.URIish} object.
 	 */
-	protected Transport(final URIish uri) {
+	protected Transport(URIish uri) {
 		this.uri = uri;
 		this.local = null;
 		this.objectChecker = new ObjectChecker();
@@ -881,7 +866,7 @@
 	 * @param where
 	 *            name of the executable.
 	 */
-	public void setOptionUploadPack(final String where) {
+	public void setOptionUploadPack(String where) {
 		if (where != null && where.length() > 0)
 			optionUploadPack = where;
 		else
@@ -903,7 +888,7 @@
 	 * @param option
 	 *            method to use when handling annotated tags.
 	 */
-	public void setTagOpt(final TagOpt option) {
+	public void setTagOpt(TagOpt option) {
 		tagopt = option != null ? option : TagOpt.AUTO_FOLLOW;
 	}
 
@@ -927,7 +912,7 @@
 	 *            when it shouldn't
 	 * @see PackTransport
 	 */
-	public void setFetchThin(final boolean fetchThin) {
+	public void setFetchThin(boolean fetchThin) {
 		this.fetchThin = fetchThin;
 	}
 
@@ -950,7 +935,7 @@
 	 *            received objects are valid.
 	 * @see #setObjectChecker(ObjectChecker)
 	 */
-	public void setCheckFetchedObjects(final boolean check) {
+	public void setCheckFetchedObjects(boolean check) {
 		if (check && objectChecker == null)
 			setObjectChecker(new ObjectChecker());
 		else if (!check && objectChecker != null)
@@ -1025,7 +1010,7 @@
 	 *            false when it shouldn't
 	 * @see PackTransport
 	 */
-	public void setPushThin(final boolean pushThin) {
+	public void setPushThin(boolean pushThin) {
 		this.pushThin = pushThin;
 	}
 
@@ -1050,7 +1035,7 @@
 	 * @see PackTransport
 	 * @since 4.2
 	 */
-	public void setPushAtomic(final boolean atomic) {
+	public void setPushAtomic(boolean atomic) {
 		this.pushAtomic = atomic;
 	}
 
@@ -1077,17 +1062,34 @@
 	 *
 	 * @param remove true to remove refs that no longer exist.
 	 */
-	public void setRemoveDeletedRefs(final boolean remove) {
+	public void setRemoveDeletedRefs(boolean remove) {
 		removeDeletedRefs = remove;
 	}
 
 	/**
+	 * @return the last value passed to {@link #setFilterBlobLimit}, or -1 if
+	 *         it was never invoked.
+	 * @since 5.0
+	 */
+	public long getFilterBlobLimit() {
+		return filterBlobLimit;
+	}
+
+	/**
+	 * @param bytes exclude blobs of size greater than this
+	 * @since 5.0
+	 */
+	public void setFilterBlobLimit(long bytes) {
+		filterBlobLimit = bytes;
+	}
+
+	/**
 	 * Apply provided remote configuration on this transport.
 	 *
 	 * @param cfg
 	 *            configuration to apply on this transport.
 	 */
-	public void applyConfig(final RemoteConfig cfg) {
+	public void applyConfig(RemoteConfig cfg) {
 		setOptionUploadPack(cfg.getUploadPack());
 		setOptionReceivePack(cfg.getReceivePack());
 		setTagOpt(cfg.getTagOpt());
@@ -1116,7 +1118,7 @@
 	 *            and not really update remote refs, false otherwise - when push
 	 *            should act normally.
 	 */
-	public void setDryRun(final boolean dryRun) {
+	public void setDryRun(boolean dryRun) {
 		this.dryRun = dryRun;
 	}
 
@@ -1137,7 +1139,7 @@
 	 *            before aborting an IO read or write operation with this
 	 *            remote.
 	 */
-	public void setTimeout(final int seconds) {
+	public void setTimeout(int seconds) {
 		timeout = seconds;
 	}
 
@@ -1204,7 +1206,7 @@
 	 *            null if push options are unsupported
 	 * @since 4.5
 	 */
-	public void setPushOptions(final List<String> pushOptions) {
+	public void setPushOptions(List<String> pushOptions) {
 		this.pushOptions = pushOptions;
 	}
 
@@ -1251,9 +1253,9 @@
 			// object transfer overheads.
 			//
 			final Collection<RefSpec> tmp = new ArrayList<>(toFetch);
-			for (final RefSpec requested : toFetch) {
+			for (RefSpec requested : toFetch) {
 				final String reqSrc = requested.getSource();
-				for (final RefSpec configured : fetch) {
+				for (RefSpec configured : fetch) {
 					final String cfgSrc = configured.getSource();
 					final String cfgDst = configured.getDestination();
 					if (cfgSrc.equals(reqSrc) && cfgDst != null) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportAmazonS3.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportAmazonS3.java
index c6191eceb..6118cb8 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportAmazonS3.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportAmazonS3.java
@@ -267,7 +267,7 @@
 		}
 
 		@Override
-		WalkRemoteObjectDatabase openAlternate(final String location)
+		WalkRemoteObjectDatabase openAlternate(String location)
 				throws IOException {
 			return new DatabaseS3(bucketName, resolveKey(location));
 		}
@@ -278,7 +278,7 @@
 			have.addAll(s3.list(bucket, resolveKey("pack"))); //$NON-NLS-1$
 
 			final Collection<String> packs = new ArrayList<>();
-			for (final String n : have) {
+			for (String n : have) {
 				if (!n.startsWith("pack-") || !n.endsWith(".pack")) //$NON-NLS-1$ //$NON-NLS-2$
 					continue;
 
@@ -290,7 +290,7 @@
 		}
 
 		@Override
-		FileStream open(final String path) throws IOException {
+		FileStream open(String path) throws IOException {
 			final URLConnection c = s3.get(bucket, resolveKey(path));
 			final InputStream raw = c.getInputStream();
 			final InputStream in = s3.decrypt(c);
@@ -299,7 +299,7 @@
 		}
 
 		@Override
-		void deleteFile(final String path) throws IOException {
+		void deleteFile(String path) throws IOException {
 			s3.delete(bucket, resolveKey(path));
 		}
 
@@ -311,7 +311,7 @@
 		}
 
 		@Override
-		void writeFile(final String path, final byte[] data) throws IOException {
+		void writeFile(String path, byte[] data) throws IOException {
 			s3.put(bucket, resolveKey(path), data);
 		}
 
@@ -323,7 +323,7 @@
 			return avail;
 		}
 
-		private void readLooseRefs(final TreeMap<String, Ref> avail)
+		private void readLooseRefs(TreeMap<String, Ref> avail)
 				throws TransportException {
 			try {
 				for (final String n : s3.list(bucket, resolveKey(ROOT_DIR
@@ -334,16 +334,13 @@
 			}
 		}
 
-		private Ref readRef(final TreeMap<String, Ref> avail, final String rn)
+		private Ref readRef(TreeMap<String, Ref> avail, String rn)
 				throws TransportException {
 			final String s;
 			String ref = ROOT_DIR + rn;
 			try {
-				final BufferedReader br = openReader(ref);
-				try {
+				try (BufferedReader br = openReader(ref)) {
 					s = br.readLine();
-				} finally {
-					br.close();
 				}
 			} catch (FileNotFoundException noRef) {
 				return null;
@@ -377,7 +374,7 @@
 			throw new TransportException(getURI(), MessageFormat.format(JGitText.get().transportExceptionBadRef, rn, s));
 		}
 
-		private Storage loose(final Ref r) {
+		private Storage loose(Ref r) {
 			if (r != null && r.getStorage() == Storage.PACKED)
 				return Storage.LOOSE_PACKED;
 			return Storage.LOOSE;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitAnon.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitAnon.java
index 816187e..1132503 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitAnon.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitAnon.java
@@ -113,11 +113,11 @@
 		}
 	};
 
-	TransportGitAnon(final Repository local, final URIish uri) {
+	TransportGitAnon(Repository local, URIish uri) {
 		super(local, uri);
 	}
 
-	TransportGitAnon(final URIish uri) {
+	TransportGitAnon(URIish uri) {
 		super(uri);
 	}
 
@@ -142,6 +142,7 @@
 	Socket openConnection() throws TransportException {
 		final int tms = getTimeout() > 0 ? getTimeout() * 1000 : 0;
 		final int port = uri.getPort() > 0 ? uri.getPort() : GIT_PORT;
+		@SuppressWarnings("resource") // Closed by the caller
 		final Socket s = new Socket();
 		try {
 			final InetAddress host = InetAddress.getByName(uri.getHost());
@@ -162,7 +163,7 @@
 		return s;
 	}
 
-	void service(final String name, final PacketLineOut pckOut)
+	void service(String name, PacketLineOut pckOut)
 			throws IOException {
 		final StringBuilder cmd = new StringBuilder();
 		cmd.append(name);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
index bc85e6f..d59fe33 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportGitSsh.java
@@ -141,12 +141,12 @@
 		}
 	};
 
-	TransportGitSsh(final Repository local, final URIish uri) {
+	TransportGitSsh(Repository local, URIish uri) {
 		super(local, uri);
 		initSshSessionFactory();
 	}
 
-	TransportGitSsh(final URIish uri) {
+	TransportGitSsh(URIish uri) {
 		super(uri);
 		initSshSessionFactory();
 	}
@@ -176,7 +176,7 @@
 		return new SshPushConnection();
 	}
 
-	String commandFor(final String exe) {
+	String commandFor(String exe) {
 		String path = uri.getPath();
 		if (uri.getScheme() != null && uri.getPath().startsWith("/~")) //$NON-NLS-1$
 			path = (uri.getPath().substring(1));
@@ -311,6 +311,9 @@
 		public void close() {
 			endOut();
 
+			if (process != null) {
+				process.destroy();
+			}
 			if (errorThread != null) {
 				try {
 					errorThread.halt();
@@ -322,8 +325,6 @@
 			}
 
 			super.close();
-			if (process != null)
-				process.destroy();
 		}
 	}
 
@@ -377,6 +378,9 @@
 		public void close() {
 			endOut();
 
+			if (process != null) {
+				process.destroy();
+			}
 			if (errorThread != null) {
 				try {
 					errorThread.halt();
@@ -388,8 +392,6 @@
 			}
 
 			super.close();
-			if (process != null)
-				process.destroy();
 		}
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java
index a182623..c08f400 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportHttp.java
@@ -273,7 +273,7 @@
 
 	private boolean sslFailure = false;
 
-	TransportHttp(final Repository local, final URIish uri)
+	TransportHttp(Repository local, URIish uri)
 			throws NotSupportedException {
 		super(local, uri);
 		setURI(uri);
@@ -298,7 +298,7 @@
 	 * @throws org.eclipse.jgit.errors.NotSupportedException
 	 * @since 4.9
 	 */
-	protected void setURI(final URIish uri) throws NotSupportedException {
+	protected void setURI(URIish uri) throws NotSupportedException {
 		try {
 			currentUri = uri;
 			baseUrl = toURL(uri);
@@ -314,7 +314,7 @@
 	 * @param uri
 	 * @throws NotSupportedException
 	 */
-	TransportHttp(final URIish uri) throws NotSupportedException {
+	TransportHttp(URIish uri) throws NotSupportedException {
 		super(uri);
 		setURI(uri);
 		http = new HttpConfig(uri);
@@ -332,10 +332,26 @@
 	 * @param on
 	 *            if {@code true} (default), smart HTTP is enabled.
 	 */
-	public void setUseSmartHttp(final boolean on) {
+	public void setUseSmartHttp(boolean on) {
 		useSmartHttp = on;
 	}
 
+	@SuppressWarnings("resource") // Closed by caller
+	private FetchConnection getConnection(HttpConnection c, InputStream in,
+			String service) throws IOException {
+		BaseConnection f;
+		if (isSmartHttp(c, service)) {
+			readSmartHeaders(in, service);
+			f = new SmartHttpFetchConnection(in);
+		} else {
+			// Assume this server doesn't support smart HTTP fetch
+			// and fall back on dumb object walking.
+			f = newDumbConnection(in);
+		}
+		f.setPeerUserAgent(c.getHeaderField(HttpSupport.HDR_SERVER));
+		return (FetchConnection) f;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public FetchConnection openFetch() throws TransportException,
@@ -343,21 +359,8 @@
 		final String service = SVC_UPLOAD_PACK;
 		try {
 			final HttpConnection c = connect(service);
-			final InputStream in = openInputStream(c);
-			try {
-				BaseConnection f;
-				if (isSmartHttp(c, service)) {
-					readSmartHeaders(in, service);
-					f = new SmartHttpFetchConnection(in);
-				} else {
-					// Assume this server doesn't support smart HTTP fetch
-					// and fall back on dumb object walking.
-					f = newDumbConnection(in);
-				}
-				f.setPeerUserAgent(c.getHeaderField(HttpSupport.HDR_SERVER));
-				return (FetchConnection) f;
-			} finally {
-				in.close();
+			try (InputStream in = openInputStream(c)) {
+				return getConnection(c, in, service);
 			}
 		} catch (NotSupportedException err) {
 			throw err;
@@ -480,7 +483,7 @@
 		this.headers = headers;
 	}
 
-	private HttpConnection connect(final String service)
+	private HttpConnection connect(String service)
 			throws TransportException, NotSupportedException {
 		URL u = getServiceURL(service);
 		int authAttempts = 1;
@@ -772,7 +775,7 @@
 		return true;
 	}
 
-	private URL getServiceURL(final String service)
+	private URL getServiceURL(String service)
 			throws NotSupportedException {
 		try {
 			final StringBuilder b = new StringBuilder();
@@ -796,21 +799,6 @@
 	}
 
 	/**
-	 * Open an HTTP connection, setting the accept-encoding request header to gzip.
-	 *
-	 * @param method HTTP request method
-	 * @param u url of the HTTP connection
-	 * @return the HTTP connection
-	 * @throws java.io.IOException
-	 * @since 3.3
-	 * @deprecated use {@link #httpOpen(String, URL, AcceptEncoding)} instead.
-	 */
-	@Deprecated
-	protected HttpConnection httpOpen(String method, URL u) throws IOException {
-		return httpOpen(method, u, AcceptEncoding.GZIP);
-	}
-
-	/**
 	 * Open an HTTP connection.
 	 *
 	 * @param method HTTP request method
@@ -873,18 +861,18 @@
 		return new TransportException(uri, why);
 	}
 
-	private boolean isSmartHttp(final HttpConnection c, final String service) {
+	private boolean isSmartHttp(HttpConnection c, String service) {
 		final String expType = "application/x-" + service + "-advertisement"; //$NON-NLS-1$ //$NON-NLS-2$
 		final String actType = c.getContentType();
 		return expType.equals(actType);
 	}
 
-	private boolean isGzipContent(final HttpConnection c) {
+	private boolean isGzipContent(HttpConnection c) {
 		return ENCODING_GZIP.equals(c.getHeaderField(HDR_CONTENT_ENCODING))
 				|| ENCODING_X_GZIP.equals(c.getHeaderField(HDR_CONTENT_ENCODING));
 	}
 
-	private void readSmartHeaders(final InputStream in, final String service)
+	private void readSmartHeaders(InputStream in, String service)
 			throws IOException {
 		// A smart reply will have a '#' after the first 4 bytes, but
 		// a dumb reply cannot contain a '#' until after byte 41. Do a
@@ -915,7 +903,7 @@
 	class HttpObjectDB extends WalkRemoteObjectDatabase {
 		private final URL httpObjectsUrl;
 
-		HttpObjectDB(final URL b) {
+		HttpObjectDB(URL b) {
 			httpObjectsUrl = b;
 		}
 
@@ -942,7 +930,7 @@
 		}
 
 		@Override
-		WalkRemoteObjectDatabase openAlternate(final String location)
+		WalkRemoteObjectDatabase openAlternate(String location)
 				throws IOException {
 			return new HttpObjectDB(new URL(httpObjectsUrl, location));
 		}
@@ -974,7 +962,7 @@
 		}
 
 		@Override
-		FileStream open(final String path) throws IOException {
+		FileStream open(String path) throws IOException {
 			return open(path, AcceptEncoding.UNSPECIFIED);
 		}
 
@@ -1042,15 +1030,15 @@
 			return avail;
 		}
 
-		private PackProtocolException outOfOrderAdvertisement(final String n) {
+		private PackProtocolException outOfOrderAdvertisement(String n) {
 			return new PackProtocolException(MessageFormat.format(JGitText.get().advertisementOfCameBefore, n, n));
 		}
 
-		private PackProtocolException invalidAdvertisement(final String n) {
+		private PackProtocolException invalidAdvertisement(String n) {
 			return new PackProtocolException(MessageFormat.format(JGitText.get().invalidAdvertisementOf, n));
 		}
 
-		private PackProtocolException duplicateAdvertisement(final String n) {
+		private PackProtocolException duplicateAdvertisement(String n) {
 			return new PackProtocolException(MessageFormat.format(JGitText.get().duplicateAdvertisementsOf, n));
 		}
 
@@ -1063,7 +1051,7 @@
 	class SmartHttpFetchConnection extends BasePackFetchConnection {
 		private MultiRequestService svc;
 
-		SmartHttpFetchConnection(final InputStream advertisement)
+		SmartHttpFetchConnection(InputStream advertisement)
 				throws TransportException {
 			super(TransportHttp.this);
 			statelessRPC = true;
@@ -1093,7 +1081,7 @@
 	}
 
 	class SmartHttpPushConnection extends BasePackPushConnection {
-		SmartHttpPushConnection(final InputStream advertisement)
+		SmartHttpPushConnection(InputStream advertisement)
 				throws TransportException {
 			super(TransportHttp.this);
 			statelessRPC = true;
@@ -1396,7 +1384,7 @@
 	class MultiRequestService extends Service {
 		boolean finalRequest;
 
-		MultiRequestService(final String serviceName) {
+		MultiRequestService(String serviceName) {
 			super(serviceName);
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
index 4f1880b..fbb2c44 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportLocal.java
@@ -162,11 +162,11 @@
 		remoteGitDir = gitDir;
 	}
 
-	UploadPack createUploadPack(final Repository dst) {
+	UploadPack createUploadPack(Repository dst) {
 		return new UploadPack(dst);
 	}
 
-	ReceivePack createReceivePack(final Repository dst) {
+	ReceivePack createReceivePack(Repository dst) {
 		return new ReceivePack(dst);
 	}
 
@@ -229,7 +229,7 @@
 	 * @throws org.eclipse.jgit.errors.TransportException
 	 *             if any.
 	 */
-	protected Process spawn(final String cmd)
+	protected Process spawn(String cmd)
 			throws TransportException {
 		try {
 			String[] args = { "." }; //$NON-NLS-1$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
index 39f9897..f129ba3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/TransportSftp.java
@@ -136,7 +136,7 @@
 		}
 	};
 
-	TransportSftp(final Repository local, final URIish uri) {
+	TransportSftp(Repository local, URIish uri) {
 		super(local, uri);
 	}
 
@@ -197,7 +197,7 @@
 			}
 		}
 
-		SftpObjectDB(final SftpObjectDB parent, final String p)
+		SftpObjectDB(SftpObjectDB parent, String p)
 				throws TransportException {
 			try {
 				ftp = newSftp();
@@ -229,7 +229,7 @@
 		}
 
 		@Override
-		WalkRemoteObjectDatabase openAlternate(final String location)
+		WalkRemoteObjectDatabase openAlternate(String location)
 				throws IOException {
 			return new SftpObjectDB(this, location);
 		}
@@ -246,9 +246,9 @@
 				files = new HashMap<>();
 				mtimes = new HashMap<>();
 
-				for (final ChannelSftp.LsEntry ent : list)
+				for (ChannelSftp.LsEntry ent : list)
 					files.put(ent.getFilename(), ent);
-				for (final ChannelSftp.LsEntry ent : list) {
+				for (ChannelSftp.LsEntry ent : list) {
 					final String n = ent.getFilename();
 					if (!n.startsWith("pack-") || !n.endsWith(".pack")) //$NON-NLS-1$ //$NON-NLS-2$
 						continue;
@@ -263,7 +263,7 @@
 
 				Collections.sort(packs, new Comparator<String>() {
 					@Override
-					public int compare(final String o1, final String o2) {
+					public int compare(String o1, String o2) {
 						return mtimes.get(o2).intValue()
 								- mtimes.get(o1).intValue();
 					}
@@ -278,7 +278,7 @@
 		}
 
 		@Override
-		FileStream open(final String path) throws IOException {
+		FileStream open(String path) throws IOException {
 			try {
 				final SftpATTRS a = ftp.lstat(path);
 				return new FileStream(ftp.get(path), a.getSize());
@@ -292,7 +292,7 @@
 		}
 
 		@Override
-		void deleteFile(final String path) throws IOException {
+		void deleteFile(String path) throws IOException {
 			try {
 				ftp.rm(path);
 			} catch (SftpException je) {
@@ -345,7 +345,7 @@
 		}
 
 		@Override
-		void writeFile(final String path, final byte[] data) throws IOException {
+		void writeFile(String path, byte[] data) throws IOException {
 			final String lock = path + LOCK_SUFFIX;
 			try {
 				super.writeFile(lock, data);
@@ -413,7 +413,7 @@
 						je.getMessage()), je);
 			}
 
-			for (final ChannelSftp.LsEntry ent : list) {
+			for (ChannelSftp.LsEntry ent : list) {
 				final String n = ent.getFilename();
 				if (".".equals(n) || "..".equals(n)) //$NON-NLS-1$ //$NON-NLS-2$
 					continue;
@@ -466,7 +466,7 @@
 					MessageFormat.format(JGitText.get().badRef, name, line));
 		}
 
-		private Storage loose(final Ref r) {
+		private Storage loose(Ref r) {
 			if (r != null && r.getStorage() == Storage.PACKED)
 				return Storage.LOOSE_PACKED;
 			return Storage.LOOSE;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
index a048fe3..026fd81 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/URIish.java
@@ -387,7 +387,7 @@
 	 * @param u
 	 *            the source URL to convert from.
 	 */
-	public URIish(final URL u) {
+	public URIish(URL u) {
 		scheme = u.getProtocol();
 		path = u.getPath();
 		path = cleanLeadingSlashes(path, scheme);
@@ -416,7 +416,7 @@
 		// Configure nothing.
 	}
 
-	private URIish(final URIish u) {
+	private URIish(URIish u) {
 		this.scheme = u.scheme;
 		this.rawPath = u.rawPath;
 		this.path = u.path;
@@ -451,7 +451,7 @@
 	 *            the new value for host.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setHost(final String n) {
+	public URIish setHost(String n) {
 		final URIish r = new URIish(this);
 		r.host = n;
 		return r;
@@ -473,7 +473,7 @@
 	 *            the new value for scheme.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setScheme(final String n) {
+	public URIish setScheme(String n) {
 		final URIish r = new URIish(this);
 		r.scheme = n;
 		return r;
@@ -504,7 +504,7 @@
 	 *            the new value for path.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setPath(final String n) {
+	public URIish setPath(String n) {
 		final URIish r = new URIish(this);
 		r.path = n;
 		r.rawPath = n;
@@ -519,7 +519,7 @@
 	 * @return a new URI with the updated value.
 	 * @throws java.net.URISyntaxException
 	 */
-	public URIish setRawPath(final String n) throws URISyntaxException {
+	public URIish setRawPath(String n) throws URISyntaxException {
 		final URIish r = new URIish(this);
 		r.path = unescape(n);
 		r.rawPath = n;
@@ -542,7 +542,7 @@
 	 *            the new value for user.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setUser(final String n) {
+	public URIish setUser(String n) {
 		final URIish r = new URIish(this);
 		r.user = n;
 		return r;
@@ -564,7 +564,7 @@
 	 *            the new value for password.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setPass(final String n) {
+	public URIish setPass(String n) {
 		final URIish r = new URIish(this);
 		r.pass = n;
 		return r;
@@ -586,7 +586,7 @@
 	 *            the new value for port.
 	 * @return a new URI with the updated value.
 	 */
-	public URIish setPort(final int n) {
+	public URIish setPort(int n) {
 		final URIish r = new URIish(this);
 		r.port = n > 0 ? n : -1;
 		return r;
@@ -613,7 +613,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean equals(final Object obj) {
+	public boolean equals(Object obj) {
 		if (!(obj instanceof URIish))
 			return false;
 		final URIish b = (URIish) obj;
@@ -632,7 +632,7 @@
 		return true;
 	}
 
-	private static boolean eq(final String a, final String b) {
+	private static boolean eq(String a, String b) {
 		if (a == b)
 			return true;
 		if (StringUtils.isEmptyOrNull(a) && StringUtils.isEmptyOrNull(b))
@@ -657,7 +657,7 @@
 		return format(false, false);
 	}
 
-	private String format(final boolean includePassword, boolean escapeNonAscii) {
+	private String format(boolean includePassword, boolean escapeNonAscii) {
 		final StringBuilder r = new StringBuilder();
 		if (getScheme() != null) {
 			r.append(getScheme());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java
index 8f75bba..6a3d9a1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java
@@ -43,10 +43,16 @@
 
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
+import static java.util.function.Function.identity;
+import static java.util.stream.Collectors.toMap;
+import static org.eclipse.jgit.lib.Constants.R_TAGS;
+import static org.eclipse.jgit.transport.GitProtocolConstants.COMMAND_FETCH;
+import static org.eclipse.jgit.transport.GitProtocolConstants.COMMAND_LS_REFS;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_AGENT;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_ALLOW_REACHABLE_SHA1_IN_WANT;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_ALLOW_TIP_SHA1_IN_WANT;
+import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_DEEPEN_RELATIVE;
+import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_FILTER;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_INCLUDE_TAG;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_MULTI_ACK;
 import static org.eclipse.jgit.transport.GitProtocolConstants.OPTION_MULTI_ACK_DETAILED;
@@ -67,10 +73,13 @@
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
+
+import org.eclipse.jgit.annotations.Nullable;
 import org.eclipse.jgit.errors.CorruptObjectException;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.errors.MissingObjectException;
@@ -101,6 +110,7 @@
 import org.eclipse.jgit.storage.pack.PackStatistics;
 import org.eclipse.jgit.transport.GitProtocolConstants.MultiAck;
 import org.eclipse.jgit.transport.RefAdvertiser.PacketLineOutRefAdvertiser;
+import org.eclipse.jgit.transport.TransferConfig.ProtocolVersion;
 import org.eclipse.jgit.util.io.InterruptTimer;
 import org.eclipse.jgit.util.io.NullOutputStream;
 import org.eclipse.jgit.util.io.TimeoutInputStream;
@@ -236,6 +246,12 @@
 	/** Timer to manage {@link #timeout}. */
 	private InterruptTimer timer;
 
+	/**
+	 * Whether the client requested to use protocol V2 through a side
+	 * channel (such as the Git-Protocol HTTP header).
+	 */
+	private boolean clientRequestedV2;
+
 	private InputStream rawIn;
 
 	private ResponseBufferedOutputStream rawOut;
@@ -246,12 +262,18 @@
 
 	private OutputStream msgOut = NullOutputStream.INSTANCE;
 
-	/** The refs we advertised as existing at the start of the connection. */
+	/**
+	 * Refs eligible for advertising to the client, set using
+	 * {@link #setAdvertisedRefs}.
+	 */
 	private Map<String, Ref> refs;
 
 	/** Hook used while advertising the refs to the client. */
 	private AdvertiseRefsHook advertiseRefsHook = AdvertiseRefsHook.DEFAULT;
 
+	/** Whether the {@link #advertiseRefsHook} has been invoked. */
+	private boolean advertiseRefsHookCalled;
+
 	/** Filter used while advertising the refs to the client. */
 	private RefFilter refFilter = RefFilter.DEFAULT;
 
@@ -277,12 +299,22 @@
 	/** Shallow commits the client already has. */
 	private final Set<ObjectId> clientShallowCommits = new HashSet<>();
 
-	/** Shallow commits on the client which are now becoming unshallow */
-	private final List<ObjectId> unshallowCommits = new ArrayList<>();
-
 	/** Desired depth from the client on a shallow request. */
 	private int depth;
 
+	/**
+	 * Commit time of the newest objects the client has asked us using
+	 * --shallow-since not to send. Cannot be nonzero if depth is nonzero.
+	 */
+	private int shallowSince;
+
+	/**
+	 * (Possibly short) ref names, ancestors of which the client has asked us
+	 * not to send using --shallow-exclude. Cannot be non-null if depth is
+	 * nonzero.
+	 */
+	private @Nullable List<String> shallowExcludeRefs;
+
 	/** Commit time of the oldest common commit, in seconds. */
 	private int oldestTime;
 
@@ -316,8 +348,7 @@
 
 	private PackStatistics statistics;
 
-	@SuppressWarnings("deprecation")
-	private UploadPackLogger logger = UploadPackLogger.NULL;
+	private long filterBlobLimit = -1;
 
 	/**
 	 * Create a new pack upload for an open repository.
@@ -325,7 +356,7 @@
 	 * @param copyFrom
 	 *            the source repository.
 	 */
-	public UploadPack(final Repository copyFrom) {
+	public UploadPack(Repository copyFrom) {
 		db = copyFrom;
 		walk = new RevWalk(db);
 		walk.setRetainBody(false);
@@ -414,7 +445,7 @@
 	 *            before aborting an IO read or write operation with the
 	 *            connected client.
 	 */
-	public void setTimeout(final int seconds) {
+	public void setTimeout(int seconds) {
 		timeout = seconds;
 	}
 
@@ -441,7 +472,7 @@
 	 *            commands before writing output and does not perform the
 	 *            initial advertising.
 	 */
-	public void setBiDirectionalPipe(final boolean twoWay) {
+	public void setBiDirectionalPipe(boolean twoWay) {
 		biDirectionalPipe = twoWay;
 	}
 
@@ -544,7 +575,7 @@
 	 * @param advertiseRefsHook
 	 *            the hook; may be null to show all refs.
 	 */
-	public void setAdvertiseRefsHook(final AdvertiseRefsHook advertiseRefsHook) {
+	public void setAdvertiseRefsHook(AdvertiseRefsHook advertiseRefsHook) {
 		if (advertiseRefsHook != null)
 			this.advertiseRefsHook = advertiseRefsHook;
 		else
@@ -563,7 +594,7 @@
 	 * @param refFilter
 	 *            the filter; may be null to show all refs.
 	 */
-	public void setRefFilter(final RefFilter refFilter) {
+	public void setRefFilter(RefFilter refFilter) {
 		this.refFilter = refFilter != null ? refFilter : RefFilter.DEFAULT;
 	}
 
@@ -638,29 +669,6 @@
 	}
 
 	/**
-	 * Get the configured logger.
-	 *
-	 * @return the configured logger.
-	 * @deprecated Use {@link #getPreUploadHook()}.
-	 */
-	@Deprecated
-	public UploadPackLogger getLogger() {
-		return logger;
-	}
-
-	/**
-	 * Set the logger.
-	 *
-	 * @param logger
-	 *            the logger instance. If null, no logging occurs.
-	 * @deprecated Use {@link #setPreUploadHook(PreUploadHook)}.
-	 */
-	@Deprecated
-	public void setLogger(UploadPackLogger logger) {
-		this.logger = logger;
-	}
-
-	/**
 	 * Check whether the client expects a side-band stream.
 	 *
 	 * @return true if the client has advertised a side-band capability, false
@@ -679,8 +687,34 @@
 	}
 
 	/**
+	 * Set the Extra Parameters provided by the client.
+	 *
+	 * <p>These are parameters passed by the client through a side channel
+	 * such as the Git-Protocol HTTP header, to allow a client to request
+	 * a newer response format while remaining compatible with older servers
+	 * that do not understand different request formats.
+	 *
+	 * @param params
+	 *            parameters supplied by the client, split at colons or NUL
+	 *            bytes.
+	 * @since 5.0
+	 */
+	public void setExtraParameters(Collection<String> params) {
+		this.clientRequestedV2 = params.contains("version=2"); //$NON-NLS-1$
+	}
+
+	private boolean useProtocolV2() {
+		return ProtocolVersion.V2.equals(transferConfig.protocolVersion)
+				&& clientRequestedV2;
+	}
+
+	/**
 	 * Execute the upload task on the socket.
 	 *
+	 * <p>If the client passed extra parameters (e.g., "version=2") through a
+	 * side channel, the caller must call setExtraParameters first to supply
+	 * them.
+	 *
 	 * @param input
 	 *            raw input to read client commands from. Caller must ensure the
 	 *            input is buffered, otherwise read performance may suffer.
@@ -721,7 +755,11 @@
 
 			pckIn = new PacketLineIn(rawIn);
 			pckOut = new PacketLineOut(rawOut);
-			service();
+			if (useProtocolV2()) {
+				serviceV2();
+			} else {
+				service();
+			}
 		} finally {
 			msgOut = NullOutputStream.INSTANCE;
 			walk.close();
@@ -741,21 +779,6 @@
 	 * @return statistics about pack output, if a pack was sent. Null if no pack
 	 *         was sent, such as during the negotiation phase of a smart HTTP
 	 *         connection, or if the client was already up-to-date.
-	 * @since 3.0
-	 * @deprecated Use {@link #getStatistics()}.
-	 */
-	@Deprecated
-	public PackWriter.Statistics getPackStatistics() {
-		return statistics == null ? null
-				: new PackWriter.Statistics(statistics);
-	}
-
-	/**
-	 * Get the PackWriter's statistics if a pack was sent to the client.
-	 *
-	 * @return statistics about pack output, if a pack was sent. Null if no pack
-	 *         was sent, such as during the negotiation phase of a smart HTTP
-	 *         connection, or if the client was already up-to-date.
 	 * @since 4.1
 	 */
 	public PackStatistics getStatistics() {
@@ -767,18 +790,56 @@
 			return refs;
 		}
 
-		advertiseRefsHook.advertiseRefs(this);
+		if (!advertiseRefsHookCalled) {
+			advertiseRefsHook.advertiseRefs(this);
+			advertiseRefsHookCalled = true;
+		}
 		if (refs == null) {
-			setAdvertisedRefs(db.getRefDatabase().getRefs(ALL));
+			// Fall back to all refs.
+			setAdvertisedRefs(
+					db.getRefDatabase().getRefs().stream()
+						.collect(toMap(Ref::getName, identity())));
 		}
 		return refs;
 	}
 
+	private Map<String, Ref> getFilteredRefs(Collection<String> refPrefixes)
+					throws IOException {
+		if (refPrefixes.isEmpty()) {
+			return getAdvertisedOrDefaultRefs();
+		}
+		if (refs == null && !advertiseRefsHookCalled) {
+			advertiseRefsHook.advertiseRefs(this);
+			advertiseRefsHookCalled = true;
+		}
+		if (refs == null) {
+			// Fast path: the advertised refs hook did not set advertised refs.
+			Map<String, Ref> rs = new HashMap<>();
+			for (String p : refPrefixes) {
+				for (Ref r : db.getRefDatabase().getRefsByPrefix(p)) {
+					rs.put(r.getName(), r);
+				}
+			}
+			if (refFilter != RefFilter.DEFAULT) {
+				return refFilter.filter(rs);
+			}
+			return transferConfig.getRefFilter().filter(rs);
+		}
+
+		// Slow path: filter the refs provided by the advertised refs hook.
+		// refFilter has already been applied to refs.
+		return refs.values().stream()
+				.filter(ref -> refPrefixes.stream()
+						.anyMatch(ref.getName()::startsWith))
+				.collect(toMap(Ref::getName, identity()));
+	}
+
 	private void service() throws IOException {
 		boolean sendPack = false;
 		// If it's a non-bidi request, we need to read the entire request before
 		// writing a response. Buffer the response until then.
 		PackStatistics.Accumulator accumulator = new PackStatistics.Accumulator();
+		List<ObjectId> unshallowCommits = new ArrayList<>();
 		try {
 			if (biDirectionalPipe)
 				sendAdvertisedRefs(new PacketLineOutRefAdvertiser(pckOut));
@@ -808,7 +869,7 @@
 			if (!clientShallowCommits.isEmpty())
 				verifyClientShallow();
 			if (depth != 0)
-				processShallow();
+				processShallow(null, unshallowCommits, true);
 			if (!clientShallowCommits.isEmpty())
 				walk.assumeShallow(clientShallowCommits);
 			sendPack = negotiate(accumulator);
@@ -860,8 +921,278 @@
 			rawOut.stopBuffering();
 		}
 
-		if (sendPack)
-			sendPack(accumulator);
+		if (sendPack) {
+			sendPack(accumulator, refs == null ? null : refs.values(), unshallowCommits);
+		}
+	}
+
+	private void lsRefsV2() throws IOException {
+		PacketLineOutRefAdvertiser adv = new PacketLineOutRefAdvertiser(pckOut);
+		String line;
+		ArrayList<String> refPrefixes = new ArrayList<>();
+		boolean needToFindSymrefs = false;
+
+		adv.setUseProtocolV2(true);
+
+		line = pckIn.readString();
+
+		// Currently, we do not support any capabilities, so the next
+		// line is DELIM if there are arguments or END if not.
+		if (line == PacketLineIn.DELIM) {
+			while ((line = pckIn.readString()) != PacketLineIn.END) {
+				if (line.equals("peel")) { //$NON-NLS-1$
+					adv.setDerefTags(true);
+				} else if (line.equals("symrefs")) { //$NON-NLS-1$
+					needToFindSymrefs = true;
+				} else if (line.startsWith("ref-prefix ")) { //$NON-NLS-1$
+					refPrefixes.add(line.substring("ref-prefix ".length())); //$NON-NLS-1$
+				} else {
+					throw new PackProtocolException(MessageFormat
+							.format(JGitText.get().unexpectedPacketLine, line));
+				}
+			}
+		} else if (line != PacketLineIn.END) {
+			throw new PackProtocolException(MessageFormat
+					.format(JGitText.get().unexpectedPacketLine, line));
+		}
+		rawOut.stopBuffering();
+
+		Map<String, Ref> refsToSend = getFilteredRefs(refPrefixes);
+
+		if (needToFindSymrefs) {
+			findSymrefs(adv, refsToSend);
+		}
+
+		adv.send(refsToSend);
+		adv.end();
+	}
+
+	private void fetchV2() throws IOException {
+		options = new HashSet<>();
+
+		// Packs are always sent multiplexed and using full 64K
+		// lengths.
+		options.add(OPTION_SIDE_BAND_64K);
+
+		// Depending on the requestValidator, #processHaveLines may
+		// require that advertised be set. Set it only in the required
+		// circumstances (to avoid a full ref lookup in the case that
+		// we don't need it).
+		if (requestValidator instanceof TipRequestValidator ||
+				requestValidator instanceof ReachableCommitTipRequestValidator ||
+				requestValidator instanceof AnyRequestValidator) {
+			advertised = Collections.emptySet();
+		} else {
+			advertised = refIdSet(getAdvertisedOrDefaultRefs().values());
+		}
+
+		String line;
+		List<ObjectId> peerHas = new ArrayList<>();
+		boolean doneReceived = false;
+
+		// Currently, we do not support any capabilities, so the next
+		// line is DELIM.
+		if ((line = pckIn.readString()) != PacketLineIn.DELIM) {
+			throw new PackProtocolException(MessageFormat
+					.format(JGitText.get().unexpectedPacketLine, line));
+		}
+
+		boolean includeTag = false;
+		boolean filterReceived = false;
+		while ((line = pckIn.readString()) != PacketLineIn.END) {
+			if (line.startsWith("want ")) { //$NON-NLS-1$
+				wantIds.add(ObjectId.fromString(line.substring(5)));
+			} else if (line.startsWith("have ")) { //$NON-NLS-1$
+				peerHas.add(ObjectId.fromString(line.substring(5)));
+			} else if (line.equals("done")) { //$NON-NLS-1$
+				doneReceived = true;
+			} else if (line.equals(OPTION_THIN_PACK)) {
+				options.add(OPTION_THIN_PACK);
+			} else if (line.equals(OPTION_NO_PROGRESS)) {
+				options.add(OPTION_NO_PROGRESS);
+			} else if (line.equals(OPTION_INCLUDE_TAG)) {
+				options.add(OPTION_INCLUDE_TAG);
+				includeTag = true;
+			} else if (line.equals(OPTION_OFS_DELTA)) {
+				options.add(OPTION_OFS_DELTA);
+			} else if (line.startsWith("shallow ")) { //$NON-NLS-1$
+				clientShallowCommits.add(ObjectId.fromString(line.substring(8)));
+			} else if (line.startsWith("deepen ")) { //$NON-NLS-1$
+				depth = Integer.parseInt(line.substring(7));
+				if (depth <= 0) {
+					throw new PackProtocolException(
+							MessageFormat.format(JGitText.get().invalidDepth,
+									Integer.valueOf(depth)));
+				}
+				if (shallowSince != 0) {
+					throw new PackProtocolException(
+							JGitText.get().deepenSinceWithDeepen);
+				}
+				if (shallowExcludeRefs != null) {
+					throw new PackProtocolException(
+							JGitText.get().deepenNotWithDeepen);
+				}
+			} else if (line.startsWith("deepen-not ")) { //$NON-NLS-1$
+				List<String> exclude = shallowExcludeRefs;
+				if (exclude == null) {
+					exclude = shallowExcludeRefs = new ArrayList<>();
+				}
+				exclude.add(line.substring(11));
+				if (depth != 0) {
+					throw new PackProtocolException(
+							JGitText.get().deepenNotWithDeepen);
+				}
+			} else if (line.equals(OPTION_DEEPEN_RELATIVE)) {
+				options.add(OPTION_DEEPEN_RELATIVE);
+			} else if (line.startsWith("deepen-since ")) { //$NON-NLS-1$
+				shallowSince = Integer.parseInt(line.substring(13));
+				if (shallowSince <= 0) {
+					throw new PackProtocolException(
+							MessageFormat.format(
+									JGitText.get().invalidTimestamp, line));
+				}
+				if (depth !=  0) {
+					throw new PackProtocolException(
+							JGitText.get().deepenSinceWithDeepen);
+				}
+			} else if (transferConfig.isAllowFilter()
+					&& line.startsWith(OPTION_FILTER + ' ')) {
+				if (filterReceived) {
+					throw new PackProtocolException(JGitText.get().tooManyFilters);
+				}
+				filterReceived = true;
+				parseFilter(line.substring(OPTION_FILTER.length() + 1));
+			} else {
+				throw new PackProtocolException(MessageFormat
+						.format(JGitText.get().unexpectedPacketLine, line));
+			}
+		}
+		rawOut.stopBuffering();
+
+		boolean sectionSent = false;
+		@Nullable List<ObjectId> shallowCommits = null;
+		List<ObjectId> unshallowCommits = new ArrayList<>();
+
+		if (!clientShallowCommits.isEmpty()) {
+			verifyClientShallow();
+		}
+		if (depth != 0 || shallowSince != 0 || shallowExcludeRefs != null) {
+			shallowCommits = new ArrayList<ObjectId>();
+			processShallow(shallowCommits, unshallowCommits, false);
+		}
+		if (!clientShallowCommits.isEmpty())
+			walk.assumeShallow(clientShallowCommits);
+
+		if (doneReceived) {
+			processHaveLines(peerHas, ObjectId.zeroId(), new PacketLineOut(NullOutputStream.INSTANCE));
+		} else {
+			pckOut.writeString("acknowledgments\n"); //$NON-NLS-1$
+			for (ObjectId id : peerHas) {
+				if (walk.getObjectReader().has(id)) {
+					pckOut.writeString("ACK " + id.getName() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
+				}
+			}
+			processHaveLines(peerHas, ObjectId.zeroId(), new PacketLineOut(NullOutputStream.INSTANCE));
+			if (okToGiveUp()) {
+				pckOut.writeString("ready\n"); //$NON-NLS-1$
+			} else if (commonBase.isEmpty()) {
+				pckOut.writeString("NAK\n"); //$NON-NLS-1$
+			}
+			sectionSent = true;
+		}
+
+		if (doneReceived || okToGiveUp()) {
+			if (shallowCommits != null) {
+				if (sectionSent)
+					pckOut.writeDelim();
+				pckOut.writeString("shallow-info\n"); //$NON-NLS-1$
+				for (ObjectId o : shallowCommits) {
+					pckOut.writeString("shallow " + o.getName() + '\n'); //$NON-NLS-1$
+				}
+				for (ObjectId o : unshallowCommits) {
+					pckOut.writeString("unshallow " + o.getName() + '\n'); //$NON-NLS-1$
+				}
+				sectionSent = true;
+			}
+
+			if (sectionSent)
+				pckOut.writeDelim();
+			pckOut.writeString("packfile\n"); //$NON-NLS-1$
+			sendPack(new PackStatistics.Accumulator(),
+					includeTag
+						? db.getRefDatabase().getRefsByPrefix(R_TAGS)
+						: null,
+					unshallowCommits);
+		}
+		pckOut.end();
+	}
+
+	/*
+	 * Returns true if this is the last command and we should tear down the
+	 * connection.
+	 */
+	private boolean serveOneCommandV2() throws IOException {
+		String command;
+		try {
+			command = pckIn.readString();
+		} catch (EOFException eof) {
+			/* EOF when awaiting command is fine */
+			return true;
+		}
+		if (command == PacketLineIn.END) {
+			// A blank request is valid according
+			// to the protocol; do nothing in this
+			// case.
+			return true;
+		}
+		if (command.equals("command=" + COMMAND_LS_REFS)) { //$NON-NLS-1$
+			lsRefsV2();
+			return false;
+		}
+		if (command.equals("command=" + COMMAND_FETCH)) { //$NON-NLS-1$
+			fetchV2();
+			return false;
+		}
+		throw new PackProtocolException(MessageFormat
+				.format(JGitText.get().unknownTransportCommand, command));
+	}
+
+	private List<String> getV2CapabilityAdvertisement() {
+		ArrayList<String> caps = new ArrayList<>();
+		caps.add("version 2"); //$NON-NLS-1$
+		caps.add(COMMAND_LS_REFS);
+		caps.add(
+				COMMAND_FETCH + '=' +
+				(transferConfig.isAllowFilter() ? OPTION_FILTER + ' ' : "") + //$NON-NLS-1$
+				OPTION_SHALLOW);
+		return caps;
+	}
+
+	private void serviceV2() throws IOException {
+		if (biDirectionalPipe) {
+			// Just like in service(), the capability advertisement
+			// is sent only if this is a bidirectional pipe. (If
+			// not, the client is expected to call
+			// sendAdvertisedRefs() on its own.)
+			for (String s : getV2CapabilityAdvertisement()) {
+				pckOut.writeString(s + "\n"); //$NON-NLS-1$
+			}
+			pckOut.end();
+
+			while (!serveOneCommandV2()) {
+				// Repeat until an empty command or EOF.
+			}
+			return;
+		}
+
+		try {
+			serveOneCommandV2();
+		} finally {
+			while (0 < rawIn.skip(2048) || 0 <= rawIn.read()) {
+				// Discard until EOF.
+			}
+			rawOut.stopBuffering();
+		}
 	}
 
 	private static Set<ObjectId> refIdSet(Collection<Ref> refs) {
@@ -879,7 +1210,23 @@
 		return ids;
 	}
 
-	private void processShallow() throws IOException {
+	/*
+	 * Determines what "shallow" and "unshallow" lines to send to the user.
+	 * The information is written to shallowCommits (if not null) and
+	 * unshallowCommits, and also written to #pckOut (if writeToPckOut is
+	 * true).
+	 */
+	private void processShallow(@Nullable List<ObjectId> shallowCommits,
+			List<ObjectId> unshallowCommits,
+			boolean writeToPckOut) throws IOException {
+		if (options.contains(OPTION_DEEPEN_RELATIVE) ||
+				shallowSince != 0 ||
+				shallowExcludeRefs != null) {
+			// TODO(jonathantanmy): Implement deepen-relative, deepen-since,
+			// and deepen-not.
+			throw new UnsupportedOperationException();
+		}
+
 		int walkDepth = depth - 1;
 		try (DepthWalk.RevWalk depthWalk = new DepthWalk.RevWalk(
 				walk.getObjectReader(), walkDepth)) {
@@ -900,19 +1247,29 @@
 				// Commits at the boundary which aren't already shallow in
 				// the client need to be marked as such
 				if (c.getDepth() == walkDepth
-						&& !clientShallowCommits.contains(c))
-					pckOut.writeString("shallow " + o.name()); //$NON-NLS-1$
+						&& !clientShallowCommits.contains(c)) {
+					if (shallowCommits != null) {
+						shallowCommits.add(c.copy());
+					}
+					if (writeToPckOut) {
+						pckOut.writeString("shallow " + o.name()); //$NON-NLS-1$
+					}
+				}
 
 				// Commits not on the boundary which are shallow in the client
 				// need to become unshallowed
 				if (c.getDepth() < walkDepth
 						&& clientShallowCommits.remove(c)) {
 					unshallowCommits.add(c.copy());
-					pckOut.writeString("unshallow " + c.name()); //$NON-NLS-1$
+					if (writeToPckOut) {
+						pckOut.writeString("unshallow " + c.name()); //$NON-NLS-1$
+					}
 				}
 			}
 		}
-		pckOut.end();
+		if (writeToPckOut) {
+			pckOut.end();
+		}
 	}
 
 	private void verifyClientShallow()
@@ -950,14 +1307,50 @@
 	 * @param adv
 	 *            the advertisement formatter.
 	 * @throws java.io.IOException
-	 *             the formatter failed to write an advertisement.
+	 *            the formatter failed to write an advertisement.
 	 * @throws org.eclipse.jgit.transport.ServiceMayNotContinueException
-	 *             the hook denied advertisement.
+	 *            the hook denied advertisement.
 	 */
-	public void sendAdvertisedRefs(final RefAdvertiser adv) throws IOException,
+	public void sendAdvertisedRefs(RefAdvertiser adv) throws IOException,
 			ServiceMayNotContinueException {
+		sendAdvertisedRefs(adv, null);
+	}
+
+	/**
+	 * Generate an advertisement of available refs and capabilities.
+	 *
+	 * @param adv
+	 *            the advertisement formatter.
+	 * @param serviceName
+	 *            if not null, also output "# service=serviceName" followed by a
+	 *            flush packet before the advertisement. This is required
+	 *            in v0 of the HTTP protocol, described in Git's
+	 *            Documentation/technical/http-protocol.txt.
+	 * @throws java.io.IOException
+	 *            the formatter failed to write an advertisement.
+	 * @throws org.eclipse.jgit.transport.ServiceMayNotContinueException
+	 *            the hook denied advertisement.
+	 * @since 5.0
+	 */
+	public void sendAdvertisedRefs(RefAdvertiser adv,
+			@Nullable String serviceName) throws IOException,
+			ServiceMayNotContinueException {
+		if (useProtocolV2()) {
+			// The equivalent in v2 is only the capabilities
+			// advertisement.
+			for (String s : getV2CapabilityAdvertisement()) {
+				adv.writeOne(s);
+			}
+			adv.end();
+			return;
+		}
+
 		Map<String, Ref> advertisedOrDefaultRefs = getAdvertisedOrDefaultRefs();
 
+		if (serviceName != null) {
+			adv.writeOne("# service=" + serviceName + '\n'); //$NON-NLS-1$
+			adv.end();
+		}
 		adv.init(db);
 		adv.advertiseCapability(OPTION_INCLUDE_TAG);
 		adv.advertiseCapability(OPTION_MULTI_ACK_DETAILED);
@@ -980,6 +1373,9 @@
 				|| policy == null)
 			adv.advertiseCapability(OPTION_ALLOW_REACHABLE_SHA1_IN_WANT);
 		adv.advertiseCapability(OPTION_AGENT, UserAgent.get());
+		if (transferConfig.isAllowFilter()) {
+			adv.advertiseCapability(OPTION_FILTER);
+		}
 		adv.setDerefTags(true);
 		findSymrefs(adv, advertisedOrDefaultRefs);
 		advertised = adv.send(advertisedOrDefaultRefs);
@@ -1017,8 +1413,36 @@
 		return msgOut;
 	}
 
+	private void parseFilter(String arg) throws PackProtocolException {
+		if (arg.equals("blob:none")) { //$NON-NLS-1$
+			filterBlobLimit = 0;
+		} else if (arg.startsWith("blob:limit=")) { //$NON-NLS-1$
+			try {
+				filterBlobLimit = Long.parseLong(
+						arg.substring("blob:limit=".length())); //$NON-NLS-1$
+			} catch (NumberFormatException e) {
+				throw new PackProtocolException(
+						MessageFormat.format(JGitText.get().invalidFilter,
+								arg));
+			}
+		}
+		/*
+		 * We must have (1) either "blob:none" or
+		 * "blob:limit=" set (because we only support
+		 * blob size limits for now), and (2) if the
+		 * latter, then it must be nonnegative. Throw
+		 * if (1) or (2) is not met.
+		 */
+		if (filterBlobLimit < 0) {
+			throw new PackProtocolException(
+					MessageFormat.format(JGitText.get().invalidFilter,
+							arg));
+		}
+	}
+
 	private void recvWants() throws IOException {
 		boolean isFirst = true;
+		boolean filterReceived = false;
 		for (;;) {
 			String line;
 			try {
@@ -1047,6 +1471,19 @@
 				continue;
 			}
 
+			if (transferConfig.isAllowFilter()
+					&& line.startsWith(OPTION_FILTER + " ")) { //$NON-NLS-1$
+				String arg = line.substring(OPTION_FILTER.length() + 1);
+
+				if (filterReceived) {
+					throw new PackProtocolException(JGitText.get().tooManyFilters);
+				}
+				filterReceived = true;
+
+				parseFilter(arg);
+				continue;
+			}
+
 			if (!line.startsWith("want ") || line.length() < 45) //$NON-NLS-1$
 				throw new PackProtocolException(MessageFormat.format(JGitText.get().expectedGot, "want", line)); //$NON-NLS-1$
 
@@ -1118,7 +1555,7 @@
 			}
 
 			if (line == PacketLineIn.END) {
-				last = processHaveLines(peerHas, last);
+				last = processHaveLines(peerHas, last, pckOut);
 				if (commonBase.isEmpty() || multiAck != MultiAck.OFF)
 					pckOut.writeString("NAK\n"); //$NON-NLS-1$
 				if (noDone && sentReady) {
@@ -1133,7 +1570,7 @@
 				peerHas.add(ObjectId.fromString(line.substring(5)));
 				accumulator.haves++;
 			} else if (line.equals("done")) { //$NON-NLS-1$
-				last = processHaveLines(peerHas, last);
+				last = processHaveLines(peerHas, last, pckOut);
 
 				if (commonBase.isEmpty())
 					pckOut.writeString("NAK\n"); //$NON-NLS-1$
@@ -1149,7 +1586,7 @@
 		}
 	}
 
-	private ObjectId processHaveLines(List<ObjectId> peerHas, ObjectId last)
+	private ObjectId processHaveLines(List<ObjectId> peerHas, ObjectId last, PacketLineOut out)
 			throws IOException {
 		preUploadHook.onBeginNegotiateRound(this, wantIds, peerHas.size());
 		if (wantAll.isEmpty() && !wantIds.isEmpty())
@@ -1194,13 +1631,13 @@
 				switch (multiAck) {
 				case OFF:
 					if (commonBase.size() == 1)
-						pckOut.writeString("ACK " + obj.name() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
+						out.writeString("ACK " + obj.name() + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
 					break;
 				case CONTINUE:
-					pckOut.writeString("ACK " + obj.name() + " continue\n"); //$NON-NLS-1$ //$NON-NLS-2$
+					out.writeString("ACK " + obj.name() + " continue\n"); //$NON-NLS-1$ //$NON-NLS-2$
 					break;
 				case DETAILED:
-					pckOut.writeString("ACK " + obj.name() + " common\n"); //$NON-NLS-1$ //$NON-NLS-2$
+					out.writeString("ACK " + obj.name() + " common\n"); //$NON-NLS-1$ //$NON-NLS-2$
 					break;
 				}
 			}
@@ -1226,10 +1663,10 @@
 						case OFF:
 							break;
 						case CONTINUE:
-							pckOut.writeString("ACK " + id.name() + " continue\n"); //$NON-NLS-1$ //$NON-NLS-2$
+							out.writeString("ACK " + id.name() + " continue\n"); //$NON-NLS-1$ //$NON-NLS-2$
 							break;
 						case DETAILED:
-							pckOut.writeString("ACK " + id.name() + " ready\n"); //$NON-NLS-1$ //$NON-NLS-2$
+							out.writeString("ACK " + id.name() + " ready\n"); //$NON-NLS-1$ //$NON-NLS-2$
 							sentReady = true;
 							break;
 						}
@@ -1241,7 +1678,7 @@
 
 		if (multiAck == MultiAck.DETAILED && !didOkToGiveUp && okToGiveUp()) {
 			ObjectId id = peerHas.get(peerHas.size() - 1);
-			pckOut.writeString("ACK " + id.name() + " ready\n"); //$NON-NLS-1$ //$NON-NLS-2$
+			out.writeString("ACK " + id.name() + " ready\n"); //$NON-NLS-1$ //$NON-NLS-2$
 			sentReady = true;
 		}
 
@@ -1336,7 +1773,7 @@
 				new ReachableCommitTipRequestValidator().checkWants(up, wants);
 			else if (!wants.isEmpty()) {
 				Set<ObjectId> refIds =
-					refIdSet(up.getRepository().getRefDatabase().getRefs(ALL).values());
+						refIdSet(up.getRepository().getRefDatabase().getRefs());
 				for (ObjectId obj : wants) {
 					if (!refIds.contains(obj))
 						throw new WantNotValidException(obj);
@@ -1356,7 +1793,7 @@
 		public void checkWants(UploadPack up, List<ObjectId> wants)
 				throws PackProtocolException, IOException {
 			checkNotAdvertisedWants(up, wants,
-					refIdSet(up.getRepository().getRefDatabase().getRefs(ALL).values()));
+					refIdSet(up.getRepository().getRefDatabase().getRefs()));
 		}
 	}
 
@@ -1439,7 +1876,7 @@
 		}
 	}
 
-	private void addCommonBase(final RevObject o) {
+	private void addCommonBase(RevObject o) {
 		if (!o.has(COMMON)) {
 			o.add(COMMON);
 			commonBase.add(o);
@@ -1468,7 +1905,7 @@
 		}
 	}
 
-	private boolean wantSatisfied(final RevObject want) throws IOException {
+	private boolean wantSatisfied(RevObject want) throws IOException {
 		if (want.has(SATISFIED))
 			return true;
 
@@ -1489,13 +1926,29 @@
 		return false;
 	}
 
-	private void sendPack(PackStatistics.Accumulator accumulator)
-			throws IOException {
+	/**
+	 * Send the requested objects to the client.
+	 *
+	 * @param accumulator
+	 *                where to write statistics about the content of the pack.
+	 * @param allTags
+	 *                refs to search for annotated tags to include in the pack
+	 *                if the {@link #OPTION_INCLUDE_TAG} capability was
+	 *                requested.
+	 * @param unshallowCommits
+	 *                shallow commits on the client that are now becoming
+	 *                unshallow
+	 * @throws IOException
+	 *                if an error occured while generating or writing the pack.
+	 */
+	private void sendPack(PackStatistics.Accumulator accumulator,
+			@Nullable Collection<Ref> allTags,
+			List<ObjectId> unshallowCommits) throws IOException {
 		final boolean sideband = options.contains(OPTION_SIDE_BAND)
 				|| options.contains(OPTION_SIDE_BAND_64K);
 		if (sideband) {
 			try {
-				sendPack(true, accumulator);
+				sendPack(true, accumulator, allTags, unshallowCommits);
 			} catch (ServiceMayNotContinueException noPack) {
 				// This was already reported on (below).
 				throw noPack;
@@ -1516,7 +1969,7 @@
 					throw err;
 			}
 		} else {
-			sendPack(false, accumulator);
+			sendPack(false, accumulator, allTags, unshallowCommits);
 		}
 	}
 
@@ -1536,9 +1989,28 @@
 		}
 	}
 
-	@SuppressWarnings("deprecation")
+	/**
+	 * Send the requested objects to the client.
+	 *
+	 * @param sideband
+	 *                whether to wrap the pack in side-band pkt-lines,
+	 *                interleaved with progress messages and errors.
+	 * @param accumulator
+	 *                where to write statistics about the content of the pack.
+	 * @param allTags
+	 *                refs to search for annotated tags to include in the pack
+	 *                if the {@link #OPTION_INCLUDE_TAG} capability was
+	 *                requested.
+	 * @param unshallowCommits
+	 *                shallow commits on the client that are now becoming
+	 *                unshallow
+	 * @throws IOException
+	 *                if an error occured while generating or writing the pack.
+	 */
 	private void sendPack(final boolean sideband,
-			PackStatistics.Accumulator accumulator) throws IOException {
+			PackStatistics.Accumulator accumulator,
+			@Nullable Collection<Ref> allTags,
+			List<ObjectId> unshallowCommits) throws IOException {
 		ProgressMonitor pm = NullProgressMonitor.INSTANCE;
 		OutputStream packOut = rawOut;
 
@@ -1579,11 +2051,18 @@
 		PackConfig cfg = packConfig;
 		if (cfg == null)
 			cfg = new PackConfig(db);
+		@SuppressWarnings("resource") // PackWriter is referenced in the finally
+										// block, and is closed there
 		final PackWriter pw = new PackWriter(cfg, walk.getObjectReader(),
 				accumulator);
 		try {
 			pw.setIndexDisabled(true);
-			pw.setUseCachedPacks(true);
+			if (filterBlobLimit >= 0) {
+				pw.setFilterBlobLimit(filterBlobLimit);
+				pw.setUseCachedPacks(false);
+			} else {
+				pw.setUseCachedPacks(true);
+			}
 			pw.setUseBitmaps(depth == 0 && clientShallowCommits.isEmpty());
 			pw.setClientShallowCommits(clientShallowCommits);
 			pw.setReuseDeltaCommits(true);
@@ -1591,6 +2070,8 @@
 			pw.setThin(options.contains(OPTION_THIN_PACK));
 			pw.setReuseValidatingObjects(false);
 
+			// Objects named directly by references go at the beginning
+			// of the pack.
 			if (commonBase.isEmpty() && refs != null) {
 				Set<ObjectId> tagTargets = new HashSet<>();
 				for (Ref ref : refs.values()) {
@@ -1621,8 +2102,8 @@
 				rw = ow;
 			}
 
-			if (options.contains(OPTION_INCLUDE_TAG) && refs != null) {
-				for (Ref ref : refs.values()) {
+			if (options.contains(OPTION_INCLUDE_TAG) && allTags != null) {
+				for (Ref ref : allTags) {
 					ObjectId objectId = ref.getObjectId();
 					if (objectId == null) {
 						// skip unborn branch
@@ -1640,7 +2121,7 @@
 					}
 
 					if (!ref.isPeeled())
-						ref = db.peel(ref);
+						ref = db.getRefDatabase().peel(ref);
 
 					ObjectId peeledId = ref.getPeeledObjectId();
 					objectId = ref.getObjectId();
@@ -1665,7 +2146,6 @@
 			statistics = pw.getStatistics();
 			if (statistics != null) {
 				postUploadHook.onPostUpload(statistics);
-				logger.onPackStatistics(new PackWriter.Statistics(statistics));
 			}
 			pw.close();
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLogger.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLogger.java
deleted file mode 100644
index 611418d..0000000
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLogger.java
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (C) 2011, Google Inc.
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- *   copyright notice, this list of conditions and the following
- *   disclaimer in the documentation and/or other materials provided
- *   with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- *   names of its contributors may be used to endorse or promote
- *   products derived from this software without specific prior
- *   written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package org.eclipse.jgit.transport;
-
-import org.eclipse.jgit.internal.storage.pack.PackWriter;
-
-/**
- * Logs activity that occurred within
- * {@link org.eclipse.jgit.transport.UploadPack}.
- * <p>
- * Implementors of the interface are responsible for associating the current
- * thread to a particular connection, if they need to also include connection
- * information. One method is to use a {@link java.lang.ThreadLocal} to remember
- * the connection information before invoking UploadPack.
- *
- * @deprecated use {@link org.eclipse.jgit.transport.PostUploadHook} instead
- */
-@Deprecated
-public interface UploadPackLogger { // TODO remove in JGit 5.0
-	/** A simple no-op logger. */
-	public static final UploadPackLogger NULL = new UploadPackLogger() {
-		@Override
-		public void onPackStatistics(PackWriter.Statistics stats) {
-			// Do nothing.
-		}
-	};
-
-	/**
-	 * Notice to the logger after a pack has been sent.
-	 *
-	 * @param stats
-	 *            the statistics after sending a pack to the client.
-	 * @since 3.0
-	 */
-	public void onPackStatistics(PackWriter.Statistics stats);
-}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java
deleted file mode 100644
index 9e14672..0000000
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2011, Google Inc.
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- *   copyright notice, this list of conditions and the following
- *   disclaimer in the documentation and/or other materials provided
- *   with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- *   names of its contributors may be used to endorse or promote
- *   products derived from this software without specific prior
- *   written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package org.eclipse.jgit.transport;
-
-import java.util.List;
-
-import org.eclipse.jgit.internal.storage.pack.PackWriter;
-
-/**
- * UploadPackLogger that delegates to a list of other loggers.
- * <p>
- * loggers are run in the order passed to the constructor.
- *
- * @deprecated Use {@link org.eclipse.jgit.transport.PostUploadHookChain}
- *             instead.
- */
-@Deprecated
-public class UploadPackLoggerChain implements UploadPackLogger {
-	private final UploadPackLogger[] loggers;
-	private final int count;
-
-	/**
-	 * Create a new logger chaining the given loggers together.
-	 *
-	 * @param loggers
-	 *            loggers to execute, in order.
-	 * @return a new logger chain of the given loggers.
-	 */
-	public static UploadPackLogger newChain(
-			List<? extends UploadPackLogger> loggers) {
-		UploadPackLogger[] newLoggers = new UploadPackLogger[loggers.size()];
-		int i = 0;
-		for (UploadPackLogger logger : loggers)
-			if (logger != UploadPackLogger.NULL)
-				newLoggers[i++] = logger;
-		if (i == 0)
-			return UploadPackLogger.NULL;
-		else if (i == 1)
-			return newLoggers[0];
-		else
-			return new UploadPackLoggerChain(newLoggers, i);
-	}
-
-	/** {@inheritDoc} */
-	@Override
-	public void onPackStatistics(PackWriter.Statistics stats) {
-		for (int i = 0; i < count; i++)
-			loggers[i].onPackStatistics(stats);
-	}
-
-	private UploadPackLoggerChain(UploadPackLogger[] loggers, int count) {
-		this.loggers = loggers;
-		this.count = count;
-	}
-}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
index 615e46b..b4248ee 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkEncryption.java
@@ -128,7 +128,7 @@
 			throw new IOException(MessageFormat.format(JGitText.get().unsupportedEncryptionAlgorithm, v));
 	}
 
-	IOException error(final Throwable why) {
+	IOException error(Throwable why) {
 		return new IOException(MessageFormat
 				.format(JGitText.get().encryptionError,
 				why.getMessage()), why);
@@ -141,7 +141,7 @@
 		}
 
 		@Override
-		void validate(final HttpURLConnection u, final String prefix)
+		void validate(HttpURLConnection u, String prefix)
 				throws IOException {
 			validateImpl(u, prefix, "", ""); //$NON-NLS-1$ //$NON-NLS-2$
 		}
@@ -240,19 +240,19 @@
 		}
 
 		@Override
-		void request(final HttpURLConnection u, final String prefix) {
+		void request(HttpURLConnection u, String prefix) {
 			u.setRequestProperty(prefix + JETS3T_CRYPTO_VER, CRYPTO_VER);
 			u.setRequestProperty(prefix + JETS3T_CRYPTO_ALG, cryptoAlg);
 		}
 
 		@Override
-		void validate(final HttpURLConnection u, final String prefix)
+		void validate(HttpURLConnection u, String prefix)
 				throws IOException {
 			validateImpl(u, prefix, CRYPTO_VER, cryptoAlg);
 		}
 
 		@Override
-		OutputStream encrypt(final OutputStream os) throws IOException {
+		OutputStream encrypt(OutputStream os) throws IOException {
 			try {
 				final Cipher cipher = InsecureCipherFactory.create(cryptoAlg);
 				cipher.init(Cipher.ENCRYPT_MODE, secretKey, paramSpec);
@@ -263,7 +263,7 @@
 		}
 
 		@Override
-		InputStream decrypt(final InputStream in) throws IOException {
+		InputStream decrypt(InputStream in) throws IOException {
 			try {
 				final Cipher cipher = InsecureCipherFactory.create(cryptoAlg);
 				cipher.init(Cipher.DECRYPT_MODE, secretKey, paramSpec);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkFetchConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkFetchConnection.java
index 6708964..9307914 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkFetchConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkFetchConnection.java
@@ -44,8 +44,6 @@
 
 package org.eclipse.jgit.transport;
 
-import static org.eclipse.jgit.lib.RefDatabase.ALL;
-
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
@@ -58,7 +56,6 @@
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
 
 import org.eclipse.jgit.errors.CompoundException;
@@ -190,7 +187,7 @@
 	/** Inserter to read objects from {@link #local}. */
 	private final ObjectReader reader;
 
-	WalkFetchConnection(final WalkTransport t, final WalkRemoteObjectDatabase w) {
+	WalkFetchConnection(WalkTransport t, WalkRemoteObjectDatabase w) {
 		Transport wt = (Transport)t;
 		local = wt.local;
 		objCheck = wt.getObjectChecker();
@@ -259,7 +256,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void setPackLockMessage(final String message) {
+	public void setPackLockMessage(String message) {
 		lockMessage = message;
 	}
 
@@ -268,18 +265,18 @@
 	public void close() {
 		inserter.close();
 		reader.close();
-		for (final RemotePack p : unfetchedPacks) {
+		for (RemotePack p : unfetchedPacks) {
 			if (p.tmpIdx != null)
 				p.tmpIdx.delete();
 		}
-		for (final WalkRemoteObjectDatabase r : remotes)
+		for (WalkRemoteObjectDatabase r : remotes)
 			r.close();
 	}
 
-	private void queueWants(final Collection<Ref> want)
+	private void queueWants(Collection<Ref> want)
 			throws TransportException {
 		final HashSet<ObjectId> inWorkQueue = new HashSet<>();
-		for (final Ref r : want) {
+		for (Ref r : want) {
 			final ObjectId id = r.getObjectId();
 			if (id == null) {
 				throw new NullPointerException(MessageFormat.format(
@@ -302,7 +299,7 @@
 		}
 	}
 
-	private void process(final ObjectId id) throws TransportException {
+	private void process(ObjectId id) throws TransportException {
 		final RevObject obj;
 		try {
 			if (id instanceof RevObject) {
@@ -342,7 +339,7 @@
 		fetchErrors.remove(id);
 	}
 
-	private void processBlob(final RevObject obj) throws TransportException {
+	private void processBlob(RevObject obj) throws TransportException {
 		try {
 			if (reader.has(obj, Constants.OBJ_BLOB))
 				obj.add(COMPLETE);
@@ -356,7 +353,7 @@
 		}
 	}
 
-	private void processTree(final RevObject obj) throws TransportException {
+	private void processTree(RevObject obj) throws TransportException {
 		try {
 			treeWalk.reset(obj);
 			while (treeWalk.next()) {
@@ -384,22 +381,22 @@
 		obj.add(COMPLETE);
 	}
 
-	private void processCommit(final RevObject obj) throws TransportException {
+	private void processCommit(RevObject obj) throws TransportException {
 		final RevCommit commit = (RevCommit) obj;
 		markLocalCommitsComplete(commit.getCommitTime());
 		needs(commit.getTree());
-		for (final RevCommit p : commit.getParents())
+		for (RevCommit p : commit.getParents())
 			needs(p);
 		obj.add(COMPLETE);
 	}
 
-	private void processTag(final RevObject obj) {
+	private void processTag(RevObject obj) {
 		final RevTag tag = (RevTag) obj;
 		needs(tag.getObject());
 		obj.add(COMPLETE);
 	}
 
-	private void needs(final RevObject obj) {
+	private void needs(RevObject obj) {
 		if (obj.has(COMPLETE))
 			return;
 		if (!obj.has(IN_WORK_QUEUE)) {
@@ -408,7 +405,7 @@
 		}
 	}
 
-	private void downloadObject(final ProgressMonitor pm, final AnyObjectId id)
+	private void downloadObject(ProgressMonitor pm, AnyObjectId id)
 			throws TransportException {
 		if (alreadyHave(id))
 			return;
@@ -462,7 +459,7 @@
 
 				if (packNameList == null || packNameList.isEmpty())
 					continue;
-				for (final String packName : packNameList) {
+				for (String packName : packNameList) {
 					if (packsConsidered.add(packName))
 						unfetchedPacks.add(new RemotePack(wrr, packName));
 				}
@@ -474,7 +471,7 @@
 			//
 			Collection<WalkRemoteObjectDatabase> al = expandOneAlternate(id, pm);
 			if (al != null && !al.isEmpty()) {
-				for (final WalkRemoteObjectDatabase alt : al) {
+				for (WalkRemoteObjectDatabase alt : al) {
 					remotes.add(alt);
 					noPacksYet.add(alt);
 					noAlternatesYet.add(alt);
@@ -498,7 +495,7 @@
 		}
 	}
 
-	private boolean alreadyHave(final AnyObjectId id) throws TransportException {
+	private boolean alreadyHave(AnyObjectId id) throws TransportException {
 		try {
 			return reader.has(id);
 		} catch (IOException error) {
@@ -689,21 +686,21 @@
 		return null;
 	}
 
-	private void markLocalRefsComplete(final Set<ObjectId> have) throws TransportException {
-		Map<String, Ref> refs;
+	private void markLocalRefsComplete(Set<ObjectId> have) throws TransportException {
+		List<Ref> refs;
 		try {
-			refs = local.getRefDatabase().getRefs(ALL);
+			refs = local.getRefDatabase().getRefs();
 		} catch (IOException e) {
 			throw new TransportException(e.getMessage(), e);
 		}
-		for (final Ref r : refs.values()) {
+		for (Ref r : refs) {
 			try {
 				markLocalObjComplete(revWalk.parseAny(r.getObjectId()));
 			} catch (IOException readError) {
 				throw new TransportException(MessageFormat.format(JGitText.get().localRefIsMissingObjects, r.getName()), readError);
 			}
 		}
-		for (final ObjectId id : have) {
+		for (ObjectId id : have) {
 			try {
 				markLocalObjComplete(revWalk.parseAny(id));
 			} catch (IOException readError) {
@@ -732,7 +729,7 @@
 		}
 	}
 
-	private void markLocalCommitsComplete(final int until)
+	private void markLocalCommitsComplete(int until)
 			throws TransportException {
 		try {
 			for (;;) {
@@ -742,7 +739,7 @@
 				localCommitQueue.next();
 
 				markTreeComplete(c.getTree());
-				for (final RevCommit p : c.getParents())
+				for (RevCommit p : c.getParents())
 					pushLocalCommit(p);
 			}
 		} catch (IOException err) {
@@ -750,7 +747,7 @@
 		}
 	}
 
-	private void pushLocalCommit(final RevCommit p)
+	private void pushLocalCommit(RevCommit p)
 			throws MissingObjectException, IOException {
 		if (p.has(LOCALLY_SEEN))
 			return;
@@ -761,7 +758,7 @@
 		localCommitQueue.add(p);
 	}
 
-	private void markTreeComplete(final RevTree tree) throws IOException {
+	private void markTreeComplete(RevTree tree) throws IOException {
 		if (tree.has(COMPLETE))
 			return;
 		tree.add(COMPLETE);
@@ -795,7 +792,7 @@
 		}
 	}
 
-	private void recordError(final AnyObjectId id, final Throwable what) {
+	private void recordError(AnyObjectId id, Throwable what) {
 		final ObjectId objId = id.copy();
 		List<Throwable> errors = fetchErrors.get(objId);
 		if (errors == null) {
@@ -816,7 +813,7 @@
 
 		PackIndex index;
 
-		RemotePack(final WalkRemoteObjectDatabase c, final String pn) {
+		RemotePack(WalkRemoteObjectDatabase c, String pn) {
 			connection = c;
 			packName = pn;
 			idxName = packName.substring(0, packName.length() - 5) + ".idx"; //$NON-NLS-1$
@@ -834,7 +831,7 @@
 			}
 		}
 
-		void openIndex(final ProgressMonitor pm) throws IOException {
+		void openIndex(ProgressMonitor pm) throws IOException {
 			if (index != null)
 				return;
 			if (tmpIdx == null)
@@ -853,17 +850,12 @@
 			pm.beginTask("Get " + idxName.substring(0, 12) + "..idx", //$NON-NLS-1$ //$NON-NLS-2$
 					s.length < 0 ? ProgressMonitor.UNKNOWN
 							: (int) (s.length / 1024));
-			try {
-				final FileOutputStream fos = new FileOutputStream(tmpIdx);
-				try {
-					final byte[] buf = new byte[2048];
-					int cnt;
-					while (!pm.isCancelled() && (cnt = s.in.read(buf)) >= 0) {
-						fos.write(buf, 0, cnt);
-						pm.update(cnt / 1024);
-					}
-				} finally {
-					fos.close();
+			try (FileOutputStream fos = new FileOutputStream(tmpIdx)) {
+				final byte[] buf = new byte[2048];
+				int cnt;
+				while (!pm.isCancelled() && (cnt = s.in.read(buf)) >= 0) {
+					fos.write(buf, 0, cnt);
+					pm.update(cnt / 1024);
 				}
 			} catch (IOException err) {
 				FileUtils.delete(tmpIdx);
@@ -886,7 +878,7 @@
 			}
 		}
 
-		void downloadPack(final ProgressMonitor monitor) throws IOException {
+		void downloadPack(ProgressMonitor monitor) throws IOException {
 			String name = "pack/" + packName; //$NON-NLS-1$
 			WalkRemoteObjectDatabase.FileStream s = connection.open(name);
 			try {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkPushConnection.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkPushConnection.java
index cf50c51..4c75425 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkPushConnection.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkPushConnection.java
@@ -157,7 +157,7 @@
 		// ref using the directory name being created.
 		//
 		final List<RemoteRefUpdate> updates = new ArrayList<>();
-		for (final RemoteRefUpdate u : refUpdates.values()) {
+		for (RemoteRefUpdate u : refUpdates.values()) {
 			final String n = u.getRemoteName();
 			if (!n.startsWith("refs/") || !Repository.isValidRefName(n)) { //$NON-NLS-1$
 				u.setStatus(Status.REJECTED_OTHER_REASON);
@@ -177,7 +177,7 @@
 		//
 		if (!updates.isEmpty())
 			sendpack(updates, monitor);
-		for (final RemoteRefUpdate u : updates)
+		for (RemoteRefUpdate u : updates)
 			updateCommand(u);
 
 		// Is this a new repository? If so we should create additional
@@ -196,10 +196,10 @@
 		if (!packedRefUpdates.isEmpty()) {
 			try {
 				refWriter.writePackedRefs();
-				for (final RemoteRefUpdate u : packedRefUpdates)
+				for (RemoteRefUpdate u : packedRefUpdates)
 					u.setStatus(Status.OK);
 			} catch (IOException err) {
-				for (final RemoteRefUpdate u : packedRefUpdates) {
+				for (RemoteRefUpdate u : packedRefUpdates) {
 					u.setStatus(Status.REJECTED_OTHER_REASON);
 					u.setMessage(err.getMessage());
 				}
@@ -225,14 +225,14 @@
 		String pathPack = null;
 		String pathIdx = null;
 
-		try (final PackWriter writer = new PackWriter(transport.getPackConfig(),
+		try (PackWriter writer = new PackWriter(transport.getPackConfig(),
 				local.newObjectReader())) {
 
 			final Set<ObjectId> need = new HashSet<>();
 			final Set<ObjectId> have = new HashSet<>();
-			for (final RemoteRefUpdate r : updates)
+			for (RemoteRefUpdate r : updates)
 				need.add(r.getNewObjectId());
-			for (final Ref r : getRefs()) {
+			for (Ref r : getRefs()) {
 				have.add(r.getObjectId());
 				if (r.getPeeledObjectId() != null)
 					have.add(r.getPeeledObjectId());
@@ -247,7 +247,7 @@
 				return;
 
 			packNames = new LinkedHashMap<>();
-			for (final String n : dest.getPackNames())
+			for (String n : dest.getPackNames())
 				packNames.put(n, n);
 
 			final String base = "pack-" + writer.computeName().name(); //$NON-NLS-1$
@@ -295,7 +295,7 @@
 		}
 	}
 
-	private void safeDelete(final String path) {
+	private void safeDelete(String path) {
 		if (path != null) {
 			try {
 				dest.deleteFile(path);
@@ -307,7 +307,7 @@
 		}
 	}
 
-	private void deleteCommand(final RemoteRefUpdate u) {
+	private void deleteCommand(RemoteRefUpdate u) {
 		final Ref r = newRefs.remove(u.getRemoteName());
 		if (r == null) {
 			// Already gone.
@@ -337,7 +337,7 @@
 		}
 	}
 
-	private void updateCommand(final RemoteRefUpdate u) {
+	private void updateCommand(RemoteRefUpdate u) {
 		try {
 			dest.writeRef(u.getRemoteName(), u.getNewObjectId());
 			newRefs.put(u.getRemoteName(), new ObjectIdRef.Unpeeled(
@@ -354,7 +354,7 @@
 				&& packNames.isEmpty();
 	}
 
-	private void createNewRepository(final List<RemoteRefUpdate> updates)
+	private void createNewRepository(List<RemoteRefUpdate> updates)
 			throws TransportException {
 		try {
 			final String ref = "ref: " + pickHEAD(updates) + "\n"; //$NON-NLS-1$ //$NON-NLS-2$
@@ -374,12 +374,12 @@
 		}
 	}
 
-	private static String pickHEAD(final List<RemoteRefUpdate> updates) {
+	private static String pickHEAD(List<RemoteRefUpdate> updates) {
 		// Try to use master if the user is pushing that, it is the
 		// default branch and is likely what they want to remain as
 		// the default on the new remote.
 		//
-		for (final RemoteRefUpdate u : updates) {
+		for (RemoteRefUpdate u : updates) {
 			final String n = u.getRemoteName();
 			if (n.equals(Constants.R_HEADS + Constants.MASTER))
 				return n;
@@ -388,7 +388,7 @@
 		// Pick any branch, under the assumption the user pushed only
 		// one to the remote side.
 		//
-		for (final RemoteRefUpdate u : updates) {
+		for (RemoteRefUpdate u : updates) {
 			final String n = u.getRemoteName();
 			if (n.startsWith(Constants.R_HEADS))
 				return n;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkRemoteObjectDatabase.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkRemoteObjectDatabase.java
index 965be50..aa71c94 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkRemoteObjectDatabase.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/WalkRemoteObjectDatabase.java
@@ -202,7 +202,7 @@
 	 * @throws IOException
 	 *             deletion is not supported, or deletion failed.
 	 */
-	void deleteFile(final String path) throws IOException {
+	void deleteFile(String path) throws IOException {
 		throw new IOException(MessageFormat.format(JGitText.get().deletingNotSupported, path));
 	}
 
@@ -263,7 +263,7 @@
 	 *             writing is not supported, or attempting to write the file
 	 *             failed, possibly due to permissions or remote disk full, etc.
 	 */
-	void writeFile(final String path, final byte[] data) throws IOException {
+	void writeFile(String path, byte[] data) throws IOException {
 		try (OutputStream os = writeFile(path, null, null)) {
 			os.write(data);
 		}
@@ -278,7 +278,7 @@
 	 * @throws IOException
 	 *             deletion is not supported, or deletion failed.
 	 */
-	void deleteRef(final String name) throws IOException {
+	void deleteRef(String name) throws IOException {
 		deleteFile(ROOT_DIR + name);
 	}
 
@@ -291,7 +291,7 @@
 	 * @throws IOException
 	 *             deletion is not supported, or deletion failed.
 	 */
-	void deleteRefLog(final String name) throws IOException {
+	void deleteRefLog(String name) throws IOException {
 		deleteFile(ROOT_DIR + Constants.LOGS + "/" + name); //$NON-NLS-1$
 	}
 
@@ -309,7 +309,7 @@
 	 *             writing is not supported, or attempting to write the file
 	 *             failed, possibly due to permissions or remote disk full, etc.
 	 */
-	void writeRef(final String name, final ObjectId value) throws IOException {
+	void writeRef(String name, ObjectId value) throws IOException {
 		final ByteArrayOutputStream b;
 
 		b = new ByteArrayOutputStream(Constants.OBJECT_ID_STRING_LENGTH + 1);
@@ -333,9 +333,9 @@
 	 *             writing is not supported, or attempting to write the file
 	 *             failed, possibly due to permissions or remote disk full, etc.
 	 */
-	void writeInfoPacks(final Collection<String> packNames) throws IOException {
+	void writeInfoPacks(Collection<String> packNames) throws IOException {
 		final StringBuilder w = new StringBuilder();
-		for (final String n : packNames) {
+		for (String n : packNames) {
 			w.append("P "); //$NON-NLS-1$
 			w.append(n);
 			w.append('\n');
@@ -361,7 +361,7 @@
 	 *             exists, or after it was determined to exist but before the
 	 *             stream could be created.
 	 */
-	BufferedReader openReader(final String path) throws IOException {
+	BufferedReader openReader(String path) throws IOException {
 		final InputStream is = open(path).in;
 		return new BufferedReader(new InputStreamReader(is, Constants.CHARSET));
 	}
@@ -414,7 +414,7 @@
 	 * @throws org.eclipse.jgit.errors.TransportException
 	 *             an error occurred reading from the packed refs file.
 	 */
-	protected void readPackedRefs(final Map<String, Ref> avail)
+	protected void readPackedRefs(Map<String, Ref> avail)
 			throws TransportException {
 		try (BufferedReader br = openReader(ROOT_DIR + Constants.PACKED_REFS)) {
 			readPackedRefsImpl(avail, br);
@@ -475,7 +475,7 @@
 		 *            stream containing the file data. This stream will be
 		 *            closed by the caller when reading is complete.
 		 */
-		FileStream(final InputStream i) {
+		FileStream(InputStream i) {
 			in = i;
 			length = -1;
 		}
@@ -490,7 +490,7 @@
 		 *            total number of bytes available for reading through
 		 *            <code>i</code>.
 		 */
-		FileStream(final InputStream i, final long n) {
+		FileStream(InputStream i, long n) {
 			in = i;
 			length = n;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/resolver/FileResolver.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/resolver/FileResolver.java
index 16a6f4a..60acd2f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/transport/resolver/FileResolver.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/resolver/FileResolver.java
@@ -87,7 +87,7 @@
 	 *            if true, exports all repositories, ignoring the check for the
 	 *            {@code git-daemon-export-ok} files.
 	 */
-	public FileResolver(final File basePath, final boolean exportAll) {
+	public FileResolver(File basePath, boolean exportAll) {
 		this();
 		exportDirectory(basePath);
 		setExportAll(exportAll);
@@ -95,7 +95,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public Repository open(final C req, final String name)
+	public Repository open(C req, String name)
 			throws RepositoryNotFoundException, ServiceNotEnabledException {
 		if (isUnreasonableName(name))
 			throw new RepositoryNotFoundException(name);
@@ -175,7 +175,7 @@
 	 *
 	 * @param export a boolean.
 	 */
-	public void setExportAll(final boolean export) {
+	public void setExportAll(boolean export) {
 		exportAll = export;
 	}
 
@@ -202,7 +202,7 @@
 	 *            git repository, but any directory below it which has a file
 	 *            named <code>git-daemon-export-ok</code> will be published.
 	 */
-	public void exportDirectory(final File dir) {
+	public void exportDirectory(File dir) {
 		exportBase.add(dir);
 	}
 
@@ -240,7 +240,7 @@
 		return name + Constants.DOT_GIT_EXT;
 	}
 
-	private static boolean isUnreasonableName(final String name) {
+	private static boolean isUnreasonableName(String name) {
 		if (name.length() == 0)
 			return true; // no empty paths
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
index a7900f0..470ed02 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/AbstractTreeIterator.java
@@ -176,7 +176,7 @@
 	 *            root of the repository. A trailing slash ('/') is
 	 *            automatically appended if the prefix does not end in '/'.
 	 */
-	protected AbstractTreeIterator(final String prefix) {
+	protected AbstractTreeIterator(String prefix) {
 		parent = null;
 
 		if (prefix != null && prefix.length() > 0) {
@@ -210,7 +210,7 @@
 	 *            root of the repository. A trailing slash ('/') is
 	 *            automatically appended if the prefix does not end in '/'.
 	 */
-	protected AbstractTreeIterator(final byte[] prefix) {
+	protected AbstractTreeIterator(byte[] prefix) {
 		parent = null;
 
 		if (prefix != null && prefix.length > 0) {
@@ -232,7 +232,7 @@
 	 * @param p
 	 *            parent tree iterator.
 	 */
-	protected AbstractTreeIterator(final AbstractTreeIterator p) {
+	protected AbstractTreeIterator(AbstractTreeIterator p) {
 		parent = p;
 		path = p.path;
 		pathOffset = p.pathLen + 1;
@@ -275,7 +275,7 @@
 	 *            number of live bytes in the path buffer. This many bytes will
 	 *            be moved into the larger buffer.
 	 */
-	protected void growPath(final int len) {
+	protected void growPath(int len) {
 		setPathCapacity(path.length << 1, len);
 	}
 
@@ -287,7 +287,7 @@
 	 * @param len
 	 *            the amount of live bytes in path buffer
 	 */
-	protected void ensurePathCapacity(final int capacity, final int len) {
+	protected void ensurePathCapacity(int capacity, int len) {
 		if (path.length >= capacity)
 			return;
 		final byte[] o = path;
@@ -322,11 +322,11 @@
 	 * @return -1 if this entry sorts first; 0 if the entries are equal; 1 if
 	 *         p's entry sorts first.
 	 */
-	public int pathCompare(final AbstractTreeIterator p) {
+	public int pathCompare(AbstractTreeIterator p) {
 		return pathCompare(p, p.mode);
 	}
 
-	int pathCompare(final AbstractTreeIterator p, final int pMode) {
+	int pathCompare(AbstractTreeIterator p, int pMode) {
 		// Its common when we are a subtree for both parents to match;
 		// when this happens everything in path[0..cPos] is known to
 		// be equal and does not require evaluation again.
@@ -420,7 +420,7 @@
 	 *            the other iterator to test against.
 	 * @return true if both iterators have the same object id; false otherwise.
 	 */
-	public boolean idEqual(final AbstractTreeIterator otherIterator) {
+	public boolean idEqual(AbstractTreeIterator otherIterator) {
 		return ObjectId.equals(idBuffer(), idOffset(),
 				otherIterator.idBuffer(), otherIterator.idOffset());
 	}
@@ -447,7 +447,7 @@
 	 * @param out
 	 *            buffer to copy the object id into.
 	 */
-	public void getEntryObjectId(final MutableObjectId out) {
+	public void getEntryObjectId(MutableObjectId out) {
 		out.fromRaw(idBuffer(), idOffset());
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
index 71113a6..0199688 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/CanonicalTreeParser.java
@@ -119,7 +119,7 @@
 		reset(reader, treeId);
 	}
 
-	private CanonicalTreeParser(final CanonicalTreeParser p) {
+	private CanonicalTreeParser(CanonicalTreeParser p) {
 		super(p);
 	}
 
@@ -140,7 +140,7 @@
 	 * @param treeData
 	 *            the raw tree content.
 	 */
-	public void reset(final byte[] treeData) {
+	public void reset(byte[] treeData) {
 		attributesNode = null;
 		raw = treeData;
 		prevPtr = -1;
@@ -219,7 +219,7 @@
 	 * @throws java.io.IOException
 	 *             a loose object or pack file could not be read.
 	 */
-	public void reset(final ObjectReader reader, final AnyObjectId id)
+	public void reset(ObjectReader reader, AnyObjectId id)
 			throws IncorrectObjectTypeException, IOException {
 		reset(reader.open(id, OBJ_TREE).getCachedBytes());
 	}
@@ -262,7 +262,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public CanonicalTreeParser createSubtreeIterator(final ObjectReader reader)
+	public CanonicalTreeParser createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
 		return createSubtreeIterator(reader, new MutableObjectId());
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
index 596d3d0..f5d45c7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/EmptyTreeIterator.java
@@ -63,7 +63,7 @@
 		// Create a root empty tree.
 	}
 
-	EmptyTreeIterator(final AbstractTreeIterator p) {
+	EmptyTreeIterator(AbstractTreeIterator p) {
 		super(p);
 		pathLen = pathOffset;
 	}
@@ -92,7 +92,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader)
+	public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
 		return new EmptyTreeIterator(this);
 	}
@@ -141,13 +141,13 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void next(final int delta) throws CorruptObjectException {
+	public void next(int delta) throws CorruptObjectException {
 		// Do nothing.
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public void back(final int delta) throws CorruptObjectException {
+	public void back(int delta) throws CorruptObjectException {
 		// Do nothing.
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/FileTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/FileTreeIterator.java
index 8df764d..24b9ac0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/FileTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/FileTreeIterator.java
@@ -52,6 +52,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 
+import org.eclipse.jgit.dircache.DirCacheIterator;
 import org.eclipse.jgit.errors.IncorrectObjectTypeException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.FileMode;
@@ -67,6 +68,7 @@
  * {@link org.eclipse.jgit.treewalk.TreeWalk}.
  */
 public class FileTreeIterator extends WorkingTreeIterator {
+
 	/**
 	 * the starting directory of this Iterator. All entries are located directly
 	 * in this directory.
@@ -130,7 +132,7 @@
 	 * @param options
 	 *            working tree options to be used
 	 */
-	public FileTreeIterator(final File root, FS fs, WorkingTreeOptions options) {
+	public FileTreeIterator(File root, FS fs, WorkingTreeOptions options) {
 		this(root, fs, options, DefaultFileModeStrategy.INSTANCE);
 	}
 
@@ -171,27 +173,6 @@
 	 *            the file system abstraction which will be necessary to perform
 	 *            certain file system operations.
 	 * @since 4.3
-	 * @deprecated use {@link #FileTreeIterator(FileTreeIterator, File, FS)}
-	 *             instead.
-	 */
-	@Deprecated
-	protected FileTreeIterator(final WorkingTreeIterator p, final File root,
-			FS fs) {
-		this(p, root, fs, DefaultFileModeStrategy.INSTANCE);
-	}
-
-	/**
-	 * Create a new iterator to traverse a subdirectory.
-	 *
-	 * @param p
-	 *            the parent iterator we were created from.
-	 * @param root
-	 *            the subdirectory. This should be a directory contained within
-	 *            the parent directory.
-	 * @param fs
-	 *            the file system abstraction which will be necessary to perform
-	 *            certain file system operations.
-	 * @since 4.3
 	 */
 	protected FileTreeIterator(final FileTreeIterator p, final File root,
 			FS fs) {
@@ -226,19 +207,39 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public AbstractTreeIterator createSubtreeIterator(final ObjectReader reader)
+	public AbstractTreeIterator createSubtreeIterator(ObjectReader reader)
 			throws IncorrectObjectTypeException, IOException {
-		return new FileTreeIterator(this, ((FileEntry) current()).getFile(), fs, fileModeStrategy);
+		if (!walksIgnoredDirectories() && isEntryIgnored()) {
+			DirCacheIterator iterator = getDirCacheIterator();
+			if (iterator == null) {
+				return new EmptyTreeIterator(this);
+			}
+			// Only enter if we have an associated DirCacheIterator that is
+			// at the same entry (which indicates there is some already
+			// tracked file underneath this directory). Otherwise the
+			// directory is indeed ignored and can be skipped entirely.
+		}
+		return enterSubtree();
+	}
+
+
+	/**
+	 * Create a new iterator for the current entry's subtree.
+	 * <p>
+	 * The parent reference of the iterator must be <code>this</code>, otherwise
+	 * the caller would not be able to exit out of the subtree iterator
+	 * correctly and return to continue walking <code>this</code>.
+	 *
+	 * @return a new iterator that walks over the current subtree.
+	 * @since 5.0
+	 */
+	protected AbstractTreeIterator enterSubtree() {
+		return new FileTreeIterator(this, ((FileEntry) current()).getFile(), fs,
+				fileModeStrategy);
 	}
 
 	private Entry[] entries() {
-		final File[] all = directory.listFiles();
-		if (all == null)
-			return EOF;
-		final Entry[] r = new Entry[all.length];
-		for (int i = 0; i < r.length; i++)
-			r[i] = new FileEntry(all[i], fs, fileModeStrategy);
-		return r;
+		return fs.list(directory, fileModeStrategy);
 	}
 
 	/**
@@ -267,7 +268,7 @@
 	 *
 	 * @since 4.3
 	 */
-	static public class DefaultFileModeStrategy implements FileModeStrategy {
+	public static class DefaultFileModeStrategy implements FileModeStrategy {
 		/**
 		 * a singleton instance of the default FileModeStrategy
 		 */
@@ -300,7 +301,7 @@
 	 *
 	 * @since 4.3
 	 */
-	static public class NoGitlinksStrategy implements FileModeStrategy {
+	public static class NoGitlinksStrategy implements FileModeStrategy {
 
 		/**
 		 * a singleton instance of the default FileModeStrategy
@@ -325,7 +326,7 @@
 	/**
 	 * Wrapper for a standard Java IO file
 	 */
-	static public class FileEntry extends Entry {
+	public static class FileEntry extends Entry {
 		private final FileMode mode;
 
 		private FS.Attributes attributes;
@@ -364,6 +365,29 @@
 			mode = fileModeStrategy.getMode(f, attributes);
 		}
 
+		/**
+		 * Create a new file entry given the specified FileModeStrategy
+		 *
+		 * @param f
+		 *            file
+		 * @param fs
+		 *            file system
+		 * @param attributes
+		 *            of the file
+		 * @param fileModeStrategy
+		 *            the strategy to use when determining the FileMode of a
+		 *            file; controls gitlinks etc.
+		 *
+		 * @since 5.0
+		 */
+		public FileEntry(File f, FS fs, FS.Attributes attributes,
+				FileModeStrategy fileModeStrategy) {
+			this.fs = fs;
+			this.attributes = attributes;
+			f = fs.normalize(f);
+			mode = fileModeStrategy.getMode(f, attributes);
+		}
+
 		@Override
 		public FileMode getMode() {
 			return mode;
@@ -386,12 +410,12 @@
 
 		@Override
 		public InputStream openInputStream() throws IOException {
-			if (fs.isSymLink(getFile()))
+			if (attributes.isSymbolicLink()) {
 				return new ByteArrayInputStream(fs.readSymLink(getFile())
-						.getBytes(
-						Constants.CHARACTER_ENCODING));
-			else
+						.getBytes(Constants.CHARACTER_ENCODING));
+			} else {
 				return new FileInputStream(getFile());
+			}
 		}
 
 		/**
@@ -426,7 +450,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	protected byte[] idSubmodule(final Entry e) {
+	protected byte[] idSubmodule(Entry e) {
 		return idSubmodule(getDirectory(), e);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/NameConflictTreeWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/NameConflictTreeWalk.java
index 5560f77..61b130f 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/NameConflictTreeWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/NameConflictTreeWalk.java
@@ -99,7 +99,7 @@
 	 * @param repo
 	 *            the repository the walker will obtain data from.
 	 */
-	public NameConflictTreeWalk(final Repository repo) {
+	public NameConflictTreeWalk(Repository repo) {
 		super(repo);
 	}
 
@@ -112,7 +112,7 @@
 	 *            the reader the walker will obtain tree data from.
 	 * @since 4.3
 	 */
-	public NameConflictTreeWalk(@Nullable Repository repo, final ObjectReader or) {
+	public NameConflictTreeWalk(@Nullable Repository repo, ObjectReader or) {
 		super(repo, or);
 	}
 
@@ -122,7 +122,7 @@
 	 * @param or
 	 *            the reader the walker will obtain tree data from.
 	 */
-	public NameConflictTreeWalk(final ObjectReader or) {
+	public NameConflictTreeWalk(ObjectReader or) {
 		super(or);
 	}
 
@@ -135,7 +135,7 @@
 
 			if (isTree(minRef)) {
 				if (skipEntry(minRef)) {
-					for (final AbstractTreeIterator t : trees) {
+					for (AbstractTreeIterator t : trees) {
 						if (t.matches == minRef) {
 							t.next(1);
 							t.matches = null;
@@ -222,16 +222,16 @@
 		return FileMode.GITLINK.equals(p.mode);
 	}
 
-	private static boolean isTree(final AbstractTreeIterator p) {
+	private static boolean isTree(AbstractTreeIterator p) {
 		return FileMode.TREE.equals(p.mode);
 	}
 
-	private boolean skipEntry(final AbstractTreeIterator minRef)
+	private boolean skipEntry(AbstractTreeIterator minRef)
 			throws CorruptObjectException {
 		// A tree D/F may have been handled earlier. We need to
 		// not report this path if it has already been reported.
 		//
-		for (final AbstractTreeIterator t : trees) {
+		for (AbstractTreeIterator t : trees) {
 			if (t.matches == minRef || t.first())
 				continue;
 
@@ -260,14 +260,14 @@
 		return false;
 	}
 
-	private AbstractTreeIterator combineDF(final AbstractTreeIterator minRef)
+	private AbstractTreeIterator combineDF(AbstractTreeIterator minRef)
 			throws CorruptObjectException {
 		// Look for a possible D/F conflict forward in the tree(s)
 		// as there may be a "$path/" which matches "$path". Make
 		// such entries match this entry.
 		//
 		AbstractTreeIterator treeMatch = null;
-		for (final AbstractTreeIterator t : trees) {
+		for (AbstractTreeIterator t : trees) {
 			if (t.matches == minRef || t.eof())
 				continue;
 
@@ -306,7 +306,7 @@
 			// matching iterators instead of the file iterator.
 			// This way isSubtree is true and isRecursive works.
 			//
-			for (final AbstractTreeIterator t : trees)
+			for (AbstractTreeIterator t : trees)
 				if (t.matches == minRef)
 					t.matches = treeMatch;
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/TreeWalk.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/TreeWalk.java
index 8872689..d500aae 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/TreeWalk.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/TreeWalk.java
@@ -332,7 +332,7 @@
 	 *            ObjectReader will be created by the walker, and will be closed
 	 *            when the walker is closed.
 	 */
-	public TreeWalk(final Repository repo) {
+	public TreeWalk(Repository repo) {
 		this(repo, repo.newObjectReader(), true);
 	}
 
@@ -348,7 +348,7 @@
 	 *            is not closed when the walker is closed.
 	 * @since 4.3
 	 */
-	public TreeWalk(final @Nullable Repository repo, final ObjectReader or) {
+	public TreeWalk(@Nullable Repository repo, ObjectReader or) {
 		this(repo, or, false);
 	}
 
@@ -359,7 +359,7 @@
 	 *            the reader the walker will obtain tree data from. The reader
 	 *            is not closed when the walker is closed.
 	 */
-	public TreeWalk(final ObjectReader or) {
+	public TreeWalk(ObjectReader or) {
 		this(null, or, false);
 	}
 
@@ -447,7 +447,7 @@
 	 * @see org.eclipse.jgit.treewalk.filter.AndTreeFilter
 	 * @see org.eclipse.jgit.treewalk.filter.OrTreeFilter
 	 */
-	public void setFilter(final TreeFilter newFilter) {
+	public void setFilter(TreeFilter newFilter) {
 		filter = newFilter != null ? newFilter : TreeFilter.ALL;
 	}
 
@@ -475,7 +475,7 @@
 	 * @param b
 	 *            true to skip subtree nodes and only obtain files nodes.
 	 */
-	public void setRecursive(final boolean b) {
+	public void setRecursive(boolean b) {
 		recursive = b;
 	}
 
@@ -505,7 +505,7 @@
 	 *            true to get trees after their children.
 	 * @see #isPostOrderTraversal()
 	 */
-	public void setPostOrderTraversal(final boolean b) {
+	public void setPostOrderTraversal(boolean b) {
 		postOrderTraversal = b;
 	}
 
@@ -633,22 +633,6 @@
 	}
 
 	/**
-	 * Get the EOL stream type of the current entry using the config and
-	 * {@link #getAttributes()}.
-	 *
-	 * @return the EOL stream type of the current entry using the config and
-	 *         {@link #getAttributes()}. Note that this method may return null
-	 *         if the {@link org.eclipse.jgit.treewalk.TreeWalk} is not based on
-	 *         a working tree
-	 * @since 4.3
-	 * @deprecated use {@link #getEolStreamType(OperationType)} instead.
-	 */
-	@Deprecated
-	public @Nullable EolStreamType getEolStreamType() {
-		return (getEolStreamType(operationType));
-	}
-
-	/**
 	 * Reset this walker so new tree iterators can be added to it.
 	 */
 	public void reset() {
@@ -677,7 +661,7 @@
 	 * @throws java.io.IOException
 	 *             a loose object or pack file could not be read.
 	 */
-	public void reset(final AnyObjectId id) throws MissingObjectException,
+	public void reset(AnyObjectId id) throws MissingObjectException,
 			IncorrectObjectTypeException, CorruptObjectException, IOException {
 		if (trees.length == 1) {
 			AbstractTreeIterator o = trees[0];
@@ -718,7 +702,7 @@
 	 * @throws java.io.IOException
 	 *             a loose object or pack file could not be read.
 	 */
-	public void reset(final AnyObjectId... ids) throws MissingObjectException,
+	public void reset(AnyObjectId... ids) throws MissingObjectException,
 			IncorrectObjectTypeException, CorruptObjectException, IOException {
 		final int oldLen = trees.length;
 		final int newLen = ids.length;
@@ -773,7 +757,7 @@
 	 * @throws java.io.IOException
 	 *             a loose object or pack file could not be read.
 	 */
-	public int addTree(final AnyObjectId id) throws MissingObjectException,
+	public int addTree(AnyObjectId id) throws MissingObjectException,
 			IncorrectObjectTypeException, CorruptObjectException, IOException {
 		return addTree(parserFor(id));
 	}
@@ -936,7 +920,7 @@
 	 * @return mode bits for the current entry of the nth tree.
 	 * @see FileMode#fromBits(int)
 	 */
-	public int getRawMode(final int nth) {
+	public int getRawMode(int nth) {
 		final AbstractTreeIterator t = trees[nth];
 		return t.matches == currentHead ? t.mode : 0;
 	}
@@ -952,7 +936,7 @@
 	 *            tree to obtain the mode from.
 	 * @return mode for the current entry of the nth tree.
 	 */
-	public FileMode getFileMode(final int nth) {
+	public FileMode getFileMode(int nth) {
 		return FileMode.fromBits(getRawMode(nth));
 	}
 
@@ -987,7 +971,7 @@
 	 * @see #getObjectId(MutableObjectId, int)
 	 * @see #idEqual(int, int)
 	 */
-	public ObjectId getObjectId(final int nth) {
+	public ObjectId getObjectId(int nth) {
 		final AbstractTreeIterator t = trees[nth];
 		return t.matches == currentHead ? t.getEntryObjectId() : ObjectId
 				.zeroId();
@@ -1009,7 +993,7 @@
 	 *            tree to obtain the object identifier from.
 	 * @see #idEqual(int, int)
 	 */
-	public void getObjectId(final MutableObjectId out, final int nth) {
+	public void getObjectId(MutableObjectId out, int nth) {
 		final AbstractTreeIterator t = trees[nth];
 		if (t.matches == currentHead)
 			t.getEntryObjectId(out);
@@ -1028,7 +1012,7 @@
 	 *         <code>getObjectId(nthA).equals(getObjectId(nthB))</code>.
 	 * @see #getObjectId(int)
 	 */
-	public boolean idEqual(final int nthA, final int nthB) {
+	public boolean idEqual(int nthA, int nthB) {
 		final AbstractTreeIterator ch = currentHead;
 		final AbstractTreeIterator a = trees[nthA];
 		final AbstractTreeIterator b = trees[nthB];
@@ -1126,7 +1110,7 @@
 	 *         again on this tree walk.
 	 * @since 4.7
 	 */
-	public int isPathMatch(final byte[] p, final int pLen) {
+	public int isPathMatch(byte[] p, int pLen) {
 		final AbstractTreeIterator t = currentHead;
 		final byte[] c = t.path;
 		final int cLen = t.pathLen;
@@ -1179,7 +1163,7 @@
 	 *         path; 1 if the current path is past p and p will never match
 	 *         again on this tree walk.
 	 */
-	public int isPathPrefix(final byte[] p, final int pLen) {
+	public int isPathPrefix(byte[] p, int pLen) {
 		final AbstractTreeIterator t = currentHead;
 		final byte[] c = t.path;
 		final int cLen = t.pathLen;
@@ -1229,7 +1213,7 @@
 	 * @return true if p is suffix of the current path;
 	 *         false if otherwise
 	 */
-	public boolean isPathSuffix(final byte[] p, final int pLen) {
+	public boolean isPathSuffix(byte[] p, int pLen) {
 		final AbstractTreeIterator t = currentHead;
 		final byte[] c = t.path;
 		final int cLen = t.pathLen;
@@ -1377,7 +1361,7 @@
 			trees[i] = trees[i].parent;
 
 		AbstractTreeIterator minRef = null;
-		for (final AbstractTreeIterator t : trees) {
+		for (AbstractTreeIterator t : trees) {
 			if (t.matches != t)
 				continue;
 			if (minRef == null || t.pathCompare(minRef) < 0)
@@ -1386,18 +1370,18 @@
 		currentHead = minRef;
 	}
 
-	private CanonicalTreeParser parserFor(final AnyObjectId id)
+	private CanonicalTreeParser parserFor(AnyObjectId id)
 			throws IncorrectObjectTypeException, IOException {
 		final CanonicalTreeParser p = new CanonicalTreeParser();
 		p.reset(reader, id);
 		return p;
 	}
 
-	static String pathOf(final AbstractTreeIterator t) {
+	static String pathOf(AbstractTreeIterator t) {
 		return RawParseUtils.decode(Constants.CHARSET, t.path, 0, t.pathLen);
 	}
 
-	static String pathOf(final byte[] buf, int pos, int end) {
+	static String pathOf(byte[] buf, int pos, int end) {
 		return RawParseUtils.decode(Constants.CHARSET, buf, pos, end);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
index 68cc7cb..179fd46 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeIterator.java
@@ -211,7 +211,7 @@
 	 * @param p
 	 *            parent tree iterator.
 	 */
-	protected WorkingTreeIterator(final WorkingTreeIterator p) {
+	protected WorkingTreeIterator(WorkingTreeIterator p) {
 		super(p);
 		state = p.state;
 		repository = p.repository;
@@ -256,6 +256,45 @@
 		state.dirCacheTree = treeId;
 	}
 
+	/**
+	 * Retrieves the {@link DirCacheIterator} at the current entry if
+	 * {@link #setDirCacheIterator(TreeWalk, int)} was called.
+	 *
+	 * @return the DirCacheIterator, or {@code null} if not set or not at the
+	 *         current entry
+	 * @since 5.0
+	 */
+	protected DirCacheIterator getDirCacheIterator() {
+		if (state.dirCacheTree >= 0 && state.walk != null) {
+			return state.walk.getTree(state.dirCacheTree,
+					DirCacheIterator.class);
+		}
+		return null;
+	}
+
+	/**
+	 * Defines whether this {@link WorkingTreeIterator} walks ignored
+	 * directories.
+	 *
+	 * @param includeIgnored
+	 *            {@code false} to skip ignored directories, if possible;
+	 *            {@code true} to always include them in the walk
+	 * @since 5.0
+	 */
+	public void setWalkIgnoredDirectories(boolean includeIgnored) {
+		state.walkIgnored = includeIgnored;
+	}
+
+	/**
+	 * Tells whether this {@link WorkingTreeIterator} walks ignored directories.
+	 *
+	 * @return {@code true} if it does, {@code false} otherwise
+	 * @since 5.0
+	 */
+	public boolean walksIgnoredDirectories() {
+		return state.walkIgnored;
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	public boolean hasId() {
@@ -340,30 +379,22 @@
 	 * @return non-null submodule id
 	 */
 	protected byte[] idSubmodule(File directory, Entry e) {
-		final Repository submoduleRepo;
-		try {
-			submoduleRepo = SubmoduleWalk.getSubmoduleRepository(directory,
-					e.getName(),
-					repository != null ? repository.getFS() : FS.DETECTED);
+		try (Repository submoduleRepo = SubmoduleWalk.getSubmoduleRepository(
+				directory, e.getName(),
+				repository != null ? repository.getFS() : FS.DETECTED)) {
+			if (submoduleRepo == null) {
+				return zeroid;
+			}
+			ObjectId head = submoduleRepo.resolve(Constants.HEAD);
+			if (head == null) {
+				return zeroid;
+			}
+			byte[] id = new byte[Constants.OBJECT_ID_LENGTH];
+			head.copyRawTo(id, 0);
+			return id;
 		} catch (IOException exception) {
 			return zeroid;
 		}
-		if (submoduleRepo == null)
-			return zeroid;
-
-		final ObjectId head;
-		try {
-			head = submoduleRepo.resolve(Constants.HEAD);
-		} catch (IOException exception) {
-			return zeroid;
-		} finally {
-			submoduleRepo.close();
-		}
-		if (head == null)
-			return zeroid;
-		final byte[] id = new byte[Constants.OBJECT_ID_LENGTH];
-		head.copyRawTo(id, 0);
-		return id;
 	}
 
 	private static final byte[] digits = { '0', '1', '2', '3', '4', '5', '6',
@@ -372,7 +403,7 @@
 	private static final byte[] hblob = Constants
 			.encodedTypeString(Constants.OBJ_BLOB);
 
-	private byte[] idBufferBlob(final Entry e) {
+	private byte[] idBufferBlob(Entry e) {
 		try {
 			final InputStream is = e.openInputStream();
 			if (is == null)
@@ -430,7 +461,7 @@
 		return filterClean(is, opType);
 	}
 
-	private static void safeClose(final InputStream in) {
+	private static void safeClose(InputStream in) {
 		try {
 			in.close();
 		} catch (IOException err2) {
@@ -548,7 +579,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void next(final int delta) throws CorruptObjectException {
+	public void next(int delta) throws CorruptObjectException {
 		ptr += delta;
 		if (!eof()) {
 			parseEntry();
@@ -557,7 +588,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void back(final int delta) throws CorruptObjectException {
+	public void back(int delta) throws CorruptObjectException {
 		ptr -= delta;
 		parseEntry();
 	}
@@ -662,7 +693,7 @@
 	 * @throws java.io.IOException
 	 *             a relevant ignore rule file exists but cannot be read.
 	 */
-	protected boolean isEntryIgnored(final int pLen) throws IOException {
+	protected boolean isEntryIgnored(int pLen) throws IOException {
 		return isEntryIgnored(pLen, mode);
 	}
 
@@ -677,7 +708,7 @@
 	 * @throws IOException
 	 *             a relevant ignore rule file exists but cannot be read.
 	 */
-	private boolean isEntryIgnored(final int pLen, int fileMode)
+	private boolean isEntryIgnored(int pLen, int fileMode)
 			throws IOException {
 		// The ignore code wants path to start with a '/' if possible.
 		// If we have the '/' in our path buffer because we are inside
@@ -756,7 +787,7 @@
 	 *            files in the subtree of the work tree this iterator operates
 	 *            on
 	 */
-	protected void init(final Entry[] list) {
+	protected void init(Entry[] list) {
 		// Filter out nulls, . and .. as these are not valid tree entries,
 		// also cache the encoded forms of the path names for efficient use
 		// later on during sorting and iteration.
@@ -838,7 +869,7 @@
 	 *            an int.
 	 * @return true if different, false otherwise
 	 */
-	public boolean isModeDifferent(final int rawMode) {
+	public boolean isModeDifferent(int rawMode) {
 		// Determine difference in mode-bits of file and index-entry. In the
 		// bitwise presentation of modeDiff we'll have a '1' when the two modes
 		// differ at this position.
@@ -992,7 +1023,7 @@
 	 *            available at this iterator's current entry
 	 * @return index file mode
 	 */
-	public FileMode getIndexFileMode(final DirCacheIterator indexIter) {
+	public FileMode getIndexFileMode(DirCacheIterator indexIter) {
 		final FileMode wtMode = getEntryFileMode();
 		if (indexIter == null) {
 			return wtMode;
@@ -1173,13 +1204,17 @@
 		return contentDigest.digest();
 	}
 
-	/** A single entry within a working directory tree. */
-	protected static abstract class Entry {
+	/**
+	 * A single entry within a working directory tree.
+	 *
+	 * @since 5.0
+	 */
+	public static abstract class Entry {
 		byte[] encodedName;
 
 		int encodedNameLen;
 
-		void encodeName(final CharsetEncoder enc) {
+		void encodeName(CharsetEncoder enc) {
 			final ByteBuffer b;
 			try {
 				b = enc.encode(CharBuffer.wrap(getName()));
@@ -1280,11 +1315,8 @@
 
 		IgnoreNode load() throws IOException {
 			IgnoreNode r = new IgnoreNode();
-			InputStream in = entry.openInputStream();
-			try {
+			try (InputStream in = entry.openInputStream()) {
 				r.parse(in);
-			} finally {
-				in.close();
 			}
 			return r.getRules().isEmpty() ? null : r;
 		}
@@ -1332,11 +1364,8 @@
 		private static void loadRulesFromFile(IgnoreNode r, File exclude)
 				throws FileNotFoundException, IOException {
 			if (FS.DETECTED.exists(exclude)) {
-				FileInputStream in = new FileInputStream(exclude);
-				try {
+				try (FileInputStream in = new FileInputStream(exclude)) {
 					r.parse(in);
-				} finally {
-					in.close();
 				}
 			}
 		}
@@ -1353,11 +1382,8 @@
 
 		AttributesNode load() throws IOException {
 			AttributesNode r = new AttributesNode();
-			InputStream in = entry.openInputStream();
-			try {
+			try (InputStream in = entry.openInputStream()) {
 				r.parse(in);
-			} finally {
-				in.close();
 			}
 			return r.getRules().isEmpty() ? null : r;
 		}
@@ -1378,7 +1404,10 @@
 		TreeWalk walk;
 
 		/** Position of the matching {@link DirCacheIterator}. */
-		int dirCacheTree;
+		int dirCacheTree = -1;
+
+		/** Whether the iterator shall walk ignored directories. */
+		boolean walkIgnored = false;
 
 		final Map<String, Boolean> directoryToIgnored = new HashMap<>();
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeOptions.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeOptions.java
index 2dfb203..846fb6e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeOptions.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/WorkingTreeOptions.java
@@ -74,7 +74,7 @@
 
 	private final boolean dirNoGitLinks;
 
-	private WorkingTreeOptions(final Config rc) {
+	private WorkingTreeOptions(Config rc) {
 		fileMode = rc.getBoolean(ConfigConstants.CONFIG_CORE_SECTION,
 				ConfigConstants.CONFIG_KEY_FILEMODE, true);
 		autoCRLF = rc.getEnum(ConfigConstants.CONFIG_CORE_SECTION, null,
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/AndTreeFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/AndTreeFilter.java
index 6d40a4e..a960bd7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/AndTreeFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/AndTreeFilter.java
@@ -71,7 +71,7 @@
 	 *            second filter to test.
 	 * @return a filter that must match both input filters.
 	 */
-	public static TreeFilter create(final TreeFilter a, final TreeFilter b) {
+	public static TreeFilter create(TreeFilter a, TreeFilter b) {
 		if (a == ALL)
 			return b;
 		if (b == ALL)
@@ -87,7 +87,7 @@
 	 *            filters.
 	 * @return a filter that must match all input filters.
 	 */
-	public static TreeFilter create(final TreeFilter[] list) {
+	public static TreeFilter create(TreeFilter[] list) {
 		if (list.length == 2)
 			return create(list[0], list[1]);
 		if (list.length < 2)
@@ -105,7 +105,7 @@
 	 *            filters.
 	 * @return a filter that must match all input filters.
 	 */
-	public static TreeFilter create(final Collection<TreeFilter> list) {
+	public static TreeFilter create(Collection<TreeFilter> list) {
 		if (list.size() < 2)
 			throw new IllegalArgumentException(JGitText.get().atLeastTwoFiltersNeeded);
 		final TreeFilter[] subfilters = new TreeFilter[list.size()];
@@ -120,13 +120,13 @@
 
 		private final TreeFilter b;
 
-		Binary(final TreeFilter one, final TreeFilter two) {
+		Binary(TreeFilter one, TreeFilter two) {
 			a = one;
 			b = two;
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker)
+		public boolean include(TreeWalk walker)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return matchFilter(walker) <= 0;
@@ -170,12 +170,12 @@
 	private static class List extends AndTreeFilter {
 		private final TreeFilter[] subfilters;
 
-		List(final TreeFilter[] list) {
+		List(TreeFilter[] list) {
 			subfilters = list;
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker)
+		public boolean include(TreeWalk walker)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return matchFilter(walker) <= 0;
@@ -186,7 +186,7 @@
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			int m = 0;
-			for (final TreeFilter f : subfilters) {
+			for (TreeFilter f : subfilters) {
 				int r = f.matchFilter(walker);
 				if (r == 1) {
 					return 1;
@@ -200,7 +200,7 @@
 
 		@Override
 		public boolean shouldBeRecursive() {
-			for (final TreeFilter f : subfilters)
+			for (TreeFilter f : subfilters)
 				if (f.shouldBeRecursive())
 					return true;
 			return false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/ByteArraySet.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/ByteArraySet.java
index 653786b..995561e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/ByteArraySet.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/ByteArraySet.java
@@ -77,7 +77,7 @@
 		initTable(1 << Integer.highestOneBit((capacity * 2) - 1));
 	}
 
-	private byte[] get(final byte[] toFind, int length, int hash) {
+	private byte[] get(byte[] toFind, int length, int hash) {
 		final int msk = mask;
 		int i = hash & msk;
 		final byte[][] tbl = table;
@@ -112,7 +112,7 @@
 	 *            pre-computed hash of toFind
 	 * @return true if the mapping exists for this byte array; false otherwise.
 	 */
-	boolean contains(final byte[] toFind, int length, int hash) {
+	boolean contains(byte[] toFind, int length, int hash) {
 		return get(toFind, length, hash) != null;
 	}
 
@@ -180,7 +180,7 @@
 		return size == 0;
 	}
 
-	private void insert(final byte[] newValue, int hash) {
+	private void insert(byte[] newValue, int hash) {
 		final int msk = mask;
 		int j = hash & msk;
 		final byte[][] tbl = table;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/InterIndexDiffFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/InterIndexDiffFilter.java
index 81b8e6d..338ee2b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/InterIndexDiffFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/InterIndexDiffFilter.java
@@ -63,7 +63,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final TreeWalk walker) {
+	public boolean include(TreeWalk walker) {
 		final int n = walker.getTreeCount();
 		if (n == 1) // Assume they meant difference to empty tree.
 			return true;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotIgnoredFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotIgnoredFilter.java
index 3403c78..6090508 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotIgnoredFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotIgnoredFilter.java
@@ -62,7 +62,7 @@
 	 * @param workdirTreeIndex
 	 *            index of the workdir tree in the tree walk
 	 */
-	public NotIgnoredFilter(final int workdirTreeIndex) {
+	public NotIgnoredFilter(int workdirTreeIndex) {
 		this.index = workdirTreeIndex;
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotTreeFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotTreeFilter.java
index 2e023d0..d315526 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotTreeFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/NotTreeFilter.java
@@ -61,13 +61,13 @@
 	 *            filter to negate.
 	 * @return a filter that does the reverse of <code>a</code>.
 	 */
-	public static TreeFilter create(final TreeFilter a) {
+	public static TreeFilter create(TreeFilter a) {
 		return new NotTreeFilter(a);
 	}
 
 	private final TreeFilter a;
 
-	private NotTreeFilter(final TreeFilter one) {
+	private NotTreeFilter(TreeFilter one) {
 		a = one;
 	}
 
@@ -79,7 +79,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final TreeWalk walker)
+	public boolean include(TreeWalk walker)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException {
 		return matchFilter(walker) == 0;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/OrTreeFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/OrTreeFilter.java
index dbb062b..308ff0c 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/OrTreeFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/OrTreeFilter.java
@@ -71,7 +71,7 @@
 	 *            second filter to test.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static TreeFilter create(final TreeFilter a, final TreeFilter b) {
+	public static TreeFilter create(TreeFilter a, TreeFilter b) {
 		if (a == ALL || b == ALL)
 			return ALL;
 		return new Binary(a, b);
@@ -85,7 +85,7 @@
 	 *            filters.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static TreeFilter create(final TreeFilter[] list) {
+	public static TreeFilter create(TreeFilter[] list) {
 		if (list.length == 2)
 			return create(list[0], list[1]);
 		if (list.length < 2)
@@ -103,7 +103,7 @@
 	 *            filters.
 	 * @return a filter that must match at least one input filter.
 	 */
-	public static TreeFilter create(final Collection<TreeFilter> list) {
+	public static TreeFilter create(Collection<TreeFilter> list) {
 		if (list.size() < 2)
 			throw new IllegalArgumentException(JGitText.get().atLeastTwoFiltersNeeded);
 		final TreeFilter[] subfilters = new TreeFilter[list.size()];
@@ -118,13 +118,13 @@
 
 		private final TreeFilter b;
 
-		Binary(final TreeFilter one, final TreeFilter two) {
+		Binary(TreeFilter one, TreeFilter two) {
 			a = one;
 			b = two;
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker)
+		public boolean include(TreeWalk walker)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return matchFilter(walker) <= 0;
@@ -168,12 +168,12 @@
 	private static class List extends OrTreeFilter {
 		private final TreeFilter[] subfilters;
 
-		List(final TreeFilter[] list) {
+		List(TreeFilter[] list) {
 			subfilters = list;
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker)
+		public boolean include(TreeWalk walker)
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			return matchFilter(walker) <= 0;
@@ -184,7 +184,7 @@
 				throws MissingObjectException, IncorrectObjectTypeException,
 				IOException {
 			int m = 1;
-			for (final TreeFilter f : subfilters) {
+			for (TreeFilter f : subfilters) {
 				int r = f.matchFilter(walker);
 				if (r == 0) {
 					return 0;
@@ -198,7 +198,7 @@
 
 		@Override
 		public boolean shouldBeRecursive() {
-			for (final TreeFilter f : subfilters)
+			for (TreeFilter f : subfilters)
 				if (f.shouldBeRecursive())
 					return true;
 			return false;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilter.java
index 2f7f5cd..9267fb6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilter.java
@@ -86,7 +86,7 @@
 
 	final byte[] pathRaw;
 
-	private PathFilter(final String s) {
+	private PathFilter(String s) {
 		pathStr = s;
 		pathRaw = Constants.encode(pathStr);
 	}
@@ -102,20 +102,20 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean include(final TreeWalk walker) {
+	public boolean include(TreeWalk walker) {
 		return matchFilter(walker) <= 0;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public int matchFilter(final TreeWalk walker) {
+	public int matchFilter(TreeWalk walker) {
 		return walker.isPathMatch(pathRaw, pathRaw.length);
 	}
 
 	/** {@inheritDoc} */
 	@Override
 	public boolean shouldBeRecursive() {
-		for (final byte b : pathRaw)
+		for (byte b : pathRaw)
 			if (b == '/')
 				return true;
 		return false;
@@ -143,7 +143,7 @@
 	 * @return {@code true} if the path length of this filter matches the length
 	 *         of the current path of the supplied TreeWalk.
 	 */
-	public boolean isDone(final TreeWalk walker) {
+	public boolean isDone(TreeWalk walker) {
 		return pathRaw.length == walker.getPathLength();
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilterGroup.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilterGroup.java
index 0652288..5cf5750 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilterGroup.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathFilterGroup.java
@@ -82,13 +82,13 @@
 	 *            the paths to test against. Must have at least one entry.
 	 * @return a new filter for the list of paths supplied.
 	 */
-	public static TreeFilter createFromStrings(final Collection<String> paths) {
+	public static TreeFilter createFromStrings(Collection<String> paths) {
 		if (paths.isEmpty())
 			throw new IllegalArgumentException(
 					JGitText.get().atLeastOnePathIsRequired);
 		final PathFilter[] p = new PathFilter[paths.size()];
 		int i = 0;
-		for (final String s : paths)
+		for (String s : paths)
 			p[i++] = PathFilter.create(s);
 		return create(p);
 	}
@@ -109,7 +109,7 @@
 	 *            the paths to test against. Must have at least one entry.
 	 * @return a new filter for the paths supplied.
 	 */
-	public static TreeFilter createFromStrings(final String... paths) {
+	public static TreeFilter createFromStrings(String... paths) {
 		if (paths.length == 0)
 			throw new IllegalArgumentException(
 					JGitText.get().atLeastOnePathIsRequired);
@@ -131,7 +131,7 @@
 	 *            the paths to test against. Must have at least one entry.
 	 * @return a new filter for the list of paths supplied.
 	 */
-	public static TreeFilter create(final Collection<PathFilter> paths) {
+	public static TreeFilter create(Collection<PathFilter> paths) {
 		if (paths.isEmpty())
 			throw new IllegalArgumentException(
 					JGitText.get().atLeastOnePathIsRequired);
@@ -140,7 +140,7 @@
 		return create(p);
 	}
 
-	private static TreeFilter create(final PathFilter[] p) {
+	private static TreeFilter create(PathFilter[] p) {
 		if (p.length == 1)
 			return new Single(p[0]);
 		return new Group(p);
@@ -151,13 +151,13 @@
 
 		private final byte[] raw;
 
-		private Single(final PathFilter p) {
+		private Single(PathFilter p) {
 			path = p;
 			raw = path.pathRaw;
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker) {
+		public boolean include(TreeWalk walker) {
 			final int cmp = walker.isPathPrefix(raw, raw.length);
 			if (cmp > 0)
 				throw StopWalkException.INSTANCE;
@@ -188,7 +188,7 @@
 
 		private byte[] max;
 
-		private Group(final PathFilter[] pathFilters) {
+		private Group(PathFilter[] pathFilters) {
 			fullpaths = new ByteArraySet(pathFilters.length);
 			prefixes = new ByteArraySet(pathFilters.length / 5);
 			// 5 is an empirically derived ratio of #paths/#prefixes from:
@@ -239,7 +239,7 @@
 		}
 
 		@Override
-		public boolean include(final TreeWalk walker) {
+		public boolean include(TreeWalk walker) {
 
 			byte[] rp = walker.getRawPath();
 			Hasher hasher = new Hasher(rp, walker.getPathLength());
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathSuffixFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathSuffixFilter.java
index 553e6bd..3d9f875 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathSuffixFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/PathSuffixFilter.java
@@ -84,7 +84,7 @@
 	final String pathStr;
 	final byte[] pathRaw;
 
-	private PathSuffixFilter(final String s) {
+	private PathSuffixFilter(String s) {
 		pathStr = s;
 		pathRaw = Constants.encode(pathStr);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/TreeFilter.java b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/TreeFilter.java
index f0a7632..11ad465 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/TreeFilter.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/treewalk/filter/TreeFilter.java
@@ -91,7 +91,7 @@
 
 	private static final class AllFilter extends TreeFilter {
 		@Override
-		public boolean include(final TreeWalk walker) {
+		public boolean include(TreeWalk walker) {
 			return true;
 		}
 
@@ -133,7 +133,7 @@
 		private static final int baseTree = 0;
 
 		@Override
-		public boolean include(final TreeWalk walker) {
+		public boolean include(TreeWalk walker) {
 			final int n = walker.getTreeCount();
 			if (n == 1) // Assume they meant difference to empty tree.
 				return true;
@@ -221,7 +221,7 @@
 	 *             as thrown by {@link #include(TreeWalk)}
 	 * @since 4.7
 	 */
-	public int matchFilter(final TreeWalk walker)
+	public int matchFilter(TreeWalk walker)
 			throws MissingObjectException, IncorrectObjectTypeException,
 			IOException
 	{
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/Base64.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/Base64.java
index 0c27ced..442f079 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/Base64.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/Base64.java
@@ -6,9 +6,8 @@
 
 package org.eclipse.jgit.util;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
+import static org.eclipse.jgit.lib.Constants.CHARSET;
 
-import java.nio.charset.StandardCharsets;
 import java.text.MessageFormat;
 import java.util.Arrays;
 
@@ -55,7 +54,7 @@
 				+ "abcdefghijklmnopqrstuvwxyz" // //$NON-NLS-1$
 				+ "0123456789" // //$NON-NLS-1$
 				+ "+/" // //$NON-NLS-1$
-		).getBytes(UTF_8);
+		).getBytes(CHARSET);
 
 		DEC = new byte[128];
 		Arrays.fill(DEC, INVALID_DEC);
@@ -178,7 +177,7 @@
 			e += 4;
 		}
 
-		return new String(outBuff, 0, e, StandardCharsets.UTF_8);
+		return new String(outBuff, 0, e, CHARSET);
 	}
 
 	/**
@@ -294,7 +293,7 @@
 	 * @return the decoded data
 	 */
 	public static byte[] decode(String s) {
-		byte[] bytes = s.getBytes(UTF_8);
+		byte[] bytes = s.getBytes(CHARSET);
 		return decode(bytes, 0, bytes.length);
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/CachedAuthenticator.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/CachedAuthenticator.java
index 9915bdf..6b58790 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/CachedAuthenticator.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/CachedAuthenticator.java
@@ -61,7 +61,7 @@
 	 * @param ca
 	 *            the information we should remember.
 	 */
-	public static void add(final CachedAuthentication ca) {
+	public static void add(CachedAuthentication ca) {
 		cached.add(ca);
 	}
 
@@ -70,7 +70,7 @@
 	protected final PasswordAuthentication getPasswordAuthentication() {
 		final String host = getRequestingHost();
 		final int port = getRequestingPort();
-		for (final CachedAuthentication ca : cached) {
+		for (CachedAuthentication ca : cached) {
 			if (ca.host.equals(host) && ca.port == port)
 				return ca.toPasswordAuthentication();
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
index cffcb55..d093818 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS.java
@@ -76,6 +76,9 @@
 import org.eclipse.jgit.internal.JGitText;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.treewalk.FileTreeIterator.FileEntry;
+import org.eclipse.jgit.treewalk.FileTreeIterator.FileModeStrategy;
+import org.eclipse.jgit.treewalk.WorkingTreeIterator.Entry;
 import org.eclipse.jgit.util.ProcessResult.Status;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -87,6 +90,14 @@
 	private static final Logger LOG = LoggerFactory.getLogger(FS.class);
 
 	/**
+	 * An empty array of entries, suitable as a return value for
+	 * {@link #list(File, FileModeStrategy)}.
+	 *
+	 * @since 5.0
+	 */
+	protected static final Entry[] NO_ENTRIES = {};
+
+	/**
 	 * This class creates FS instances. It will be overridden by a Java7 variant
 	 * if such can be detected in {@link #detect(Boolean)}.
 	 *
@@ -384,7 +395,7 @@
 	 * @return the translated path. <code>new File(dir,name)</code> if this
 	 *         platform does not require path name translation.
 	 */
-	public File resolve(final File dir, final String name) {
+	public File resolve(File dir, String name) {
 		final File abspn = new File(name);
 		if (abspn.isAbsolute())
 			return abspn;
@@ -473,11 +484,11 @@
 	 * @return the first match found, or null
 	 * @since 3.0
 	 */
-	protected static File searchPath(final String path, final String... lookFor) {
+	protected static File searchPath(String path, String... lookFor) {
 		if (path == null)
 			return null;
 
-		for (final String p : path.split(File.pathSeparator)) {
+		for (String p : path.split(File.pathSeparator)) {
 			for (String command : lookFor) {
 				final File e = new File(p, command);
 				if (e.isFile())
@@ -975,6 +986,29 @@
 	}
 
 	/**
+	 * Enumerates children of a directory.
+	 *
+	 * @param directory
+	 *            to get the children of
+	 * @param fileModeStrategy
+	 *            to use to calculate the git mode of a child
+	 * @return an array of entries for the children
+	 *
+	 * @since 5.0
+	 */
+	public Entry[] list(File directory, FileModeStrategy fileModeStrategy) {
+		final File[] all = directory.listFiles();
+		if (all == null) {
+			return NO_ENTRIES;
+		}
+		final Entry[] result = new Entry[all.length];
+		for (int i = 0; i < result.length; i++) {
+			result[i] = new FileEntry(all[i], this, fileModeStrategy);
+		}
+		return result;
+	}
+
+	/**
 	 * Checks whether the given hook is defined for the given repository, then
 	 * runs it with the given arguments.
 	 * <p>
@@ -1111,7 +1145,7 @@
 	 *         exists in the given repository, <code>null</code> otherwise.
 	 * @since 4.0
 	 */
-	public File findHook(Repository repository, final String hookName) {
+	public File findHook(Repository repository, String hookName) {
 		File gitDir = repository.getDirectory();
 		if (gitDir == null)
 			return null;
@@ -1196,19 +1230,23 @@
 					new StreamGobbler(process.getErrorStream(), errRedirect));
 			executor.execute(
 					new StreamGobbler(process.getInputStream(), outRedirect));
+			@SuppressWarnings("resource") // Closed in the finally block
 			OutputStream outputStream = process.getOutputStream();
-			if (inRedirect != null) {
-				new StreamGobbler(inRedirect, outputStream).copy();
-			}
 			try {
-				outputStream.close();
-			} catch (IOException e) {
-				// When the process exits before consuming the input, the OutputStream
-				// is replaced with the null output stream. This null output stream
-				// throws IOException for all write calls. When StreamGobbler fails to
-				// flush the buffer because of this, this close call tries to flush it
-				// again. This causes another IOException. Since we ignore the
-				// IOException in StreamGobbler, we also ignore the exception here.
+				if (inRedirect != null) {
+					new StreamGobbler(inRedirect, outputStream).copy();
+				}
+			} finally {
+				try {
+					outputStream.close();
+				} catch (IOException e) {
+					// When the process exits before consuming the input, the OutputStream
+					// is replaced with the null output stream. This null output stream
+					// throws IOException for all write calls. When StreamGobbler fails to
+					// flush the buffer because of this, this close call tries to flush it
+					// again. This causes another IOException. Since we ignore the
+					// IOException in StreamGobbler, we also ignore the exception here.
+				}
 			}
 			return process.waitFor();
 		} catch (IOException e) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
index 45237c4..8795329 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_POSIX.java
@@ -399,7 +399,7 @@
 			Integer nlink = (Integer) (Files.getAttribute(lockPath,
 					"unix:nlink")); //$NON-NLS-1$
 			if (nlink > 2) {
-				LOG.warn("nlink of link to lock file {0} was not 2 but {1}", //$NON-NLS-1$
+				LOG.warn("nlink of link to lock file {} was not 2 but {}", //$NON-NLS-1$
 						lock.getPath(), nlink);
 				return false;
 			} else if (nlink < 2) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32.java
index 29fe5dc..9f99e28 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32.java
@@ -47,11 +47,21 @@
 import java.io.File;
 import java.io.IOException;
 import java.nio.charset.Charset;
+import java.nio.file.FileVisitOption;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.EnumSet;
 import java.util.List;
 
 import org.eclipse.jgit.errors.CommandFailedException;
+import org.eclipse.jgit.treewalk.FileTreeIterator.FileEntry;
+import org.eclipse.jgit.treewalk.FileTreeIterator.FileModeStrategy;
+import org.eclipse.jgit.treewalk.WorkingTreeIterator.Entry;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -97,13 +107,13 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean canExecute(final File f) {
+	public boolean canExecute(File f) {
 		return false;
 	}
 
 	/** {@inheritDoc} */
 	@Override
-	public boolean setExecute(final File f, final boolean canExec) {
+	public boolean setExecute(File f, boolean canExec) {
 		return false;
 	}
 
@@ -121,6 +131,49 @@
 
 	/** {@inheritDoc} */
 	@Override
+	public Entry[] list(File directory, FileModeStrategy fileModeStrategy) {
+		List<Entry> result = new ArrayList<>();
+		FS fs = this;
+		boolean checkExecutable = fs.supportsExecute();
+		try {
+			Files.walkFileTree(directory.toPath(),
+					EnumSet.noneOf(FileVisitOption.class), 1,
+					new SimpleFileVisitor<Path>() {
+						@Override
+						public FileVisitResult visitFile(Path file,
+								BasicFileAttributes attrs) throws IOException {
+							File f = file.toFile();
+							FS.Attributes attributes = new FS.Attributes(fs, f,
+									true, attrs.isDirectory(),
+									checkExecutable && f.canExecute(),
+									attrs.isSymbolicLink(),
+									attrs.isRegularFile(),
+									attrs.creationTime().toMillis(),
+									attrs.lastModifiedTime().toMillis(),
+									attrs.size());
+							result.add(new FileEntry(f, fs, attributes,
+									fileModeStrategy));
+							return FileVisitResult.CONTINUE;
+						}
+
+						@Override
+						public FileVisitResult visitFileFailed(Path file,
+								IOException exc) throws IOException {
+							// Just ignore it
+							return FileVisitResult.CONTINUE;
+						}
+					});
+		} catch (IOException e) {
+			// Ignore
+		}
+		if (result.isEmpty()) {
+			return NO_ENTRIES;
+		}
+		return result.toArray(new Entry[result.size()]);
+	}
+
+	/** {@inheritDoc} */
+	@Override
 	protected File discoverGitExe() {
 		String path = SystemReader.getInstance().getenv("PATH"); //$NON-NLS-1$
 		File gitExe = searchPath(path, "git.exe", "git.cmd"); //$NON-NLS-1$ //$NON-NLS-2$
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32_Cygwin.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32_Cygwin.java
index 64cdcc3..3393fbf 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32_Cygwin.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FS_Win32_Cygwin.java
@@ -43,6 +43,8 @@
 
 package org.eclipse.jgit.util;
 
+import static org.eclipse.jgit.lib.Constants.CHARSET;
+
 import java.io.File;
 import java.io.PrintStream;
 import java.nio.file.Files;
@@ -117,14 +119,14 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public File resolve(final File dir, final String pn) {
+	public File resolve(File dir, String pn) {
 		String useCygPath = System.getProperty("jgit.usecygpath"); //$NON-NLS-1$
 		if (useCygPath != null && useCygPath.equals("true")) { //$NON-NLS-1$
 			String w;
 			try {
 				w = readPipe(dir, //
 					new String[] { cygpath, "--windows", "--absolute", pn }, // //$NON-NLS-1$ //$NON-NLS-2$
-					"UTF-8"); //$NON-NLS-1$
+					CHARSET.name());
 			} catch (CommandFailedException e) {
 				LOG.warn(e.getMessage());
 				return null;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtil.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtil.java
deleted file mode 100644
index 96f2175..0000000
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtil.java
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright (C) 2012, Robin Rosenberg <robin.rosenberg@dewire.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- *   copyright notice, this list of conditions and the following
- *   disclaimer in the documentation and/or other materials provided
- *   with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- *   names of its contributors may be used to endorse or promote
- *   products derived from this software without specific prior
- *   written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package org.eclipse.jgit.util;
-
-import java.io.File;
-import java.io.IOException;
-
-import org.eclipse.jgit.util.FS.Attributes;
-
-/**
- * File utilities using Java 7 NIO2
- */
-@Deprecated
-public class FileUtil {
-
-	/**
-	 * Read target path of a symlink.
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @return target path of the symlink.
-	 * @throws java.io.IOException
-	 * @deprecated use {@link org.eclipse.jgit.util.FileUtils#readSymLink(File)}
-	 *             instead
-	 */
-	@Deprecated
-	public static String readSymlink(File path) throws IOException {
-		return FileUtils.readSymLink(path);
-	}
-
-	/**
-	 * Create a symlink
-	 *
-	 * @param path
-	 *            path of the symlink to be created
-	 * @param target
-	 *            target of the symlink to be created
-	 * @throws java.io.IOException
-	 * @deprecated use
-	 *             {@link org.eclipse.jgit.util.FileUtils#createSymLink(File, String)}
-	 *             instead
-	 */
-	@Deprecated
-	public static void createSymLink(File path, String target)
-			throws IOException {
-		FileUtils.createSymLink(path, target);
-	}
-
-	/**
-	 * Whether the passed file is a symlink
-	 *
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @return {@code true} if the passed path is a symlink
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#isSymbolicLink(java.nio.file.Path)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean isSymlink(File path) {
-		return FileUtils.isSymlink(path);
-	}
-
-	/**
-	 * Get lastModified attribute for given path
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @return lastModified attribute for given path
-	 * @throws java.io.IOException
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#getLastModifiedTime(java.nio.file.Path, java.nio.file.LinkOption...)}
-	 *             instead
-	 */
-	@Deprecated
-	public static long lastModified(File path) throws IOException {
-		return FileUtils.lastModified(path);
-	}
-
-	/**
-	 * Set lastModified attribute for given path
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @param time
-	 *            a long.
-	 * @throws java.io.IOException
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#setLastModifiedTime(java.nio.file.Path, java.nio.file.attribute.FileTime)}
-	 *             instead
-	 */
-	@Deprecated
-	public static void setLastModified(File path, long time) throws IOException {
-		FileUtils.setLastModified(path, time);
-	}
-
-	/**
-	 * Whether this file exists
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @return {@code true} if the given path exists
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#exists(java.nio.file.Path, java.nio.file.LinkOption...)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean exists(File path) {
-		return FileUtils.exists(path);
-	}
-
-	/**
-	 * Whether this file is hidden
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @return {@code true} if the given path is hidden
-	 * @throws java.io.IOException
-	 * @deprecated Use {@link java.nio.file.Files#isHidden(java.nio.file.Path)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean isHidden(File path) throws IOException {
-		return FileUtils.isHidden(path);
-	}
-
-	/**
-	 * Set this file hidden
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @param hidden
-	 *            a boolean.
-	 * @throws java.io.IOException
-	 * @deprecated Use
-	 *             {@link org.eclipse.jgit.util.FileUtils#setHidden(File,boolean)}
-	 *             instead
-	 */
-	@Deprecated
-	public static void setHidden(File path, boolean hidden) throws IOException {
-		FileUtils.setHidden(path, hidden);
-	}
-
-	/**
-	 * Get file length
-	 *
-	 * @param path
-	 *            a {@link java.io.File}.
-	 * @return length of the given file
-	 * @throws java.io.IOException
-	 * @deprecated Use {@link org.eclipse.jgit.util.FileUtils#getLength(File)}
-	 *             instead
-	 */
-	@Deprecated
-	public static long getLength(File path) throws IOException {
-		return FileUtils.getLength(path);
-	}
-
-	/**
-	 * Whether the given File is a directory
-	 *
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @return {@code true} if the given file is a directory
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#isDirectory(java.nio.file.Path, java.nio.file.LinkOption...)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean isDirectory(File path) {
-		return FileUtils.isDirectory(path);
-	}
-
-	/**
-	 * Whether the given File is a file
-	 *
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @return {@code true} if the given file is a file
-	 * @deprecated Use
-	 *             {@link java.nio.file.Files#isRegularFile(java.nio.file.Path, java.nio.file.LinkOption...)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean isFile(File path) {
-		return FileUtils.isFile(path);
-	}
-
-	/**
-	 * Whether the given file can be executed
-	 *
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @return {@code true} if the given file can be executed
-	 * @deprecated Use {@link org.eclipse.jgit.util.FileUtils#canExecute(File)}
-	 *             instead
-	 */
-	@Deprecated
-	public static boolean canExecute(File path) {
-		return FileUtils.canExecute(path);
-	}
-
-	/**
-	 * Delete the given file
-	 *
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @throws java.io.IOException
-	 * @deprecated use {@link org.eclipse.jgit.util.FileUtils#delete(File)}
-	 */
-	@Deprecated
-	public static void delete(File path) throws IOException {
-		FileUtils.delete(path);
-	}
-
-	/**
-	 * Get file system attributes for the given file
-	 *
-	 * @param fs
-	 *            a {@link org.eclipse.jgit.util.FS} object.
-	 * @param path
-	 *            a {@link java.io.File} object.
-	 * @return file system attributes for the given file
-	 * @deprecated Use
-	 *             {@link org.eclipse.jgit.util.FileUtils#getFileAttributesPosix(FS,File)}
-	 *             instead
-	 */
-	@Deprecated
-	public static Attributes getFileAttributesPosix(FS fs, File path) {
-		return FileUtils.getFileAttributesPosix(fs, path);
-	}
-
-	/**
-	 * NFC normalize File (on Mac), otherwise do nothing
-	 *
-	 * @param file
-	 *            a {@link java.io.File}.
-	 * @return on Mac: NFC normalized {@link java.io.File}, otherwise the passed
-	 *         file
-	 * @deprecated Use {@link org.eclipse.jgit.util.FileUtils#normalize(File)}
-	 *             instead
-	 */
-	@Deprecated
-	public static File normalize(File file) {
-		return FileUtils.normalize(file);
-	}
-
-	/**
-	 * NFC normalize file name (on Mac), otherwise do nothing
-	 *
-	 * @param name
-	 *            a {@link java.lang.String} object.
-	 * @return on Mac: NFC normalized form of given name
-	 * @deprecated Use {@link org.eclipse.jgit.util.FileUtils#normalize(String)}
-	 *             instead
-	 */
-	@Deprecated
-	public static String normalize(String name) {
-		return FileUtils.normalize(name);
-	}
-
-}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
index 76a7eb6..f1e05e5 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/FileUtils.java
@@ -122,7 +122,7 @@
 	 *             {@link java.nio.file.InvalidPathException})
 	 * @since 4.10
 	 */
-	public static Path toPath(final File f) throws IOException {
+	public static Path toPath(File f) throws IOException {
 		try {
 			return f.toPath();
 		} catch (InvalidPathException ex) {
@@ -141,7 +141,7 @@
 	 *             cause java.io.IOExceptions during race conditions when
 	 *             multiple concurrent threads all try to delete the same file.
 	 */
-	public static void delete(final File f) throws IOException {
+	public static void delete(File f) throws IOException {
 		delete(f, NONE);
 	}
 
@@ -162,7 +162,7 @@
 	 *             multiple concurrent threads all try to delete the same file.
 	 *             This exception is not thrown when IGNORE_ERRORS is set.
 	 */
-	public static void delete(final File f, int options) throws IOException {
+	public static void delete(File f, int options) throws IOException {
 		FS fs = FS.DETECTED;
 		if ((options & SKIP_MISSING) != 0 && !fs.exists(f))
 			return;
@@ -241,7 +241,7 @@
 	 *             if the rename has failed
 	 * @since 3.0
 	 */
-	public static void rename(final File src, final File dst)
+	public static void rename(File src, File dst)
 			throws IOException {
 		rename(src, dst, StandardCopyOption.REPLACE_EXISTING);
 	}
@@ -321,7 +321,7 @@
 	 *             multiple concurrent threads all try to create the same
 	 *             directory.
 	 */
-	public static void mkdir(final File d)
+	public static void mkdir(File d)
 			throws IOException {
 		mkdir(d, false);
 	}
@@ -341,7 +341,7 @@
 	 *             multiple concurrent threads all try to create the same
 	 *             directory.
 	 */
-	public static void mkdir(final File d, boolean skipExisting)
+	public static void mkdir(File d, boolean skipExisting)
 			throws IOException {
 		if (!d.mkdir()) {
 			if (skipExisting && d.isDirectory())
@@ -366,7 +366,7 @@
 	 *             multiple concurrent threads all try to create the same
 	 *             directory.
 	 */
-	public static void mkdirs(final File d) throws IOException {
+	public static void mkdirs(File d) throws IOException {
 		mkdirs(d, false);
 	}
 
@@ -388,7 +388,7 @@
 	 *             multiple concurrent threads all try to create the same
 	 *             directory.
 	 */
-	public static void mkdirs(final File d, boolean skipExisting)
+	public static void mkdirs(File d, boolean skipExisting)
 			throws IOException {
 		if (!d.mkdirs()) {
 			if (skipExisting && d.isDirectory())
@@ -498,33 +498,6 @@
 		throw new IOException(JGitText.get().cannotCreateTempDir);
 	}
 
-
-	/**
-	 * Relativize a path
-	 *
-	 * @deprecated Use the more-clearly-named
-	 *             {@link org.eclipse.jgit.util.FileUtils#relativizeNativePath(String, String)}
-	 *             instead, or directly call
-	 *             {@link org.eclipse.jgit.util.FileUtils#relativizePath(String, String, String, boolean)}
-	 *
-	 *             Expresses <code>other</code> as a relative file path from
-	 *             <code>base</code>. File-separator and case sensitivity are
-	 *             based on the current file system.
-	 *
-	 *             See also
-	 *             {@link org.eclipse.jgit.util.FileUtils#relativizePath(String, String, String, boolean)}.
-	 * @param base
-	 *            Base path
-	 * @param other
-	 *            Destination path
-	 * @return Relative path from <code>base</code> to <code>other</code>
-	 * @since 3.7
-	 */
-	@Deprecated
-	public static String relativize(String base, String other) {
-		return relativizeNativePath(base, other);
-	}
-
 	/**
 	 * Expresses <code>other</code> as a relative file path from
 	 * <code>base</code>. File-separator and case sensitivity are based on the
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/HttpSupport.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/HttpSupport.java
index a5a858f..6f92b37 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/HttpSupport.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/HttpSupport.java
@@ -44,6 +44,8 @@
 
 package org.eclipse.jgit.util;
 
+import static org.eclipse.jgit.lib.Constants.CHARACTER_ENCODING;
+
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.ConnectException;
@@ -175,11 +177,11 @@
 	 * @param key
 	 *            value which must be encoded to protected special characters.
 	 */
-	public static void encode(final StringBuilder urlstr, final String key) {
+	public static void encode(StringBuilder urlstr, String key) {
 		if (key == null || key.length() == 0)
 			return;
 		try {
-			urlstr.append(URLEncoder.encode(key, "UTF-8")); //$NON-NLS-1$
+			urlstr.append(URLEncoder.encode(key, CHARACTER_ENCODING));
 		} catch (UnsupportedEncodingException e) {
 			throw new RuntimeException(JGitText.get().couldNotURLEncodeToUTF8, e);
 		}
@@ -200,7 +202,7 @@
 	 *             communications error prevented obtaining the response code.
 	 * @since 3.3
 	 */
-	public static int response(final HttpConnection c) throws IOException {
+	public static int response(HttpConnection c) throws IOException {
 		try {
 			return c.getResponseCode();
 		} catch (ConnectException ce) {
@@ -228,7 +230,7 @@
 	 * @throws java.io.IOException
 	 *             communications error prevented obtaining the response code.
 	 */
-	public static int response(final java.net.HttpURLConnection c)
+	public static int response(java.net.HttpURLConnection c)
 			throws IOException {
 		try {
 			return c.getResponseCode();
@@ -273,7 +275,7 @@
 	 *             the proxy could not be computed as the supplied URL could not
 	 *             be read. This failure should never occur.
 	 */
-	public static Proxy proxyFor(final ProxySelector proxySelector, final URL u)
+	public static Proxy proxyFor(ProxySelector proxySelector, URL u)
 			throws ConnectException {
 		try {
 			return proxySelector.select(u.toURI()).get(0);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/IO.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/IO.java
index f39d217..e88e7a3 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/IO.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/IO.java
@@ -47,7 +47,6 @@
 
 import java.io.EOFException;
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
@@ -59,6 +58,7 @@
 import java.util.List;
 
 import org.eclipse.jgit.internal.JGitText;
+import org.eclipse.jgit.util.io.SilentFileInputStream;
 
 /**
  * Input/Output utilities
@@ -76,7 +76,7 @@
 	 * @throws java.io.IOException
 	 *             the file exists, but its contents cannot be read.
 	 */
-	public static final byte[] readFully(final File path)
+	public static final byte[] readFully(File path)
 			throws FileNotFoundException, IOException {
 		return IO.readFully(path, Integer.MAX_VALUE);
 	}
@@ -96,10 +96,9 @@
 	 * @throws java.io.IOException
 	 *             the file exists, but its contents cannot be read.
 	 */
-	public static final byte[] readSome(final File path, final int limit)
+	public static final byte[] readSome(File path, int limit)
 			throws FileNotFoundException, IOException {
-		FileInputStream in = new FileInputStream(path);
-		try {
+		try (SilentFileInputStream in = new SilentFileInputStream(path)) {
 			byte[] buf = new byte[limit];
 			int cnt = 0;
 			for (;;) {
@@ -113,12 +112,6 @@
 			byte[] res = new byte[cnt];
 			System.arraycopy(buf, 0, res, 0, cnt);
 			return res;
-		} finally {
-			try {
-				in.close();
-			} catch (IOException ignored) {
-				// do nothing
-			}
 		}
 	}
 
@@ -136,10 +129,9 @@
 	 * @throws java.io.IOException
 	 *             the file exists, but its contents cannot be read.
 	 */
-	public static final byte[] readFully(final File path, final int max)
+	public static final byte[] readFully(File path, int max)
 			throws FileNotFoundException, IOException {
-		final FileInputStream in = new FileInputStream(path);
-		try {
+		try (SilentFileInputStream in = new SilentFileInputStream(path)) {
 			long sz = Math.max(path.length(), 1);
 			if (sz > max)
 				throw new IOException(MessageFormat.format(
@@ -173,12 +165,6 @@
 				buf = nb;
 			}
 			return buf;
-		} finally {
-			try {
-				in.close();
-			} catch (IOException ignored) {
-				// ignore any close errors, this was a read only stream
-			}
 		}
 	}
 
@@ -325,7 +311,7 @@
 	 * @throws java.io.IOException
 	 *             there was an error reading from the stream.
 	 */
-	public static void skipFully(final InputStream fd, long toSkip)
+	public static void skipFully(InputStream fd, long toSkip)
 			throws IOException {
 		while (toSkip > 0) {
 			final long r = fd.skip(toSkip);
@@ -343,7 +329,7 @@
 	 * @return the string divided into lines
 	 * @since 2.0
 	 */
-	public static List<String> readLines(final String s) {
+	public static List<String> readLines(String s) {
 		List<String> l = new ArrayList<>();
 		StringBuilder sb = new StringBuilder();
 		for (int i = 0; i < s.length(); i++) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/IntList.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/IntList.java
index 24038f0..7441d50 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/IntList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/IntList.java
@@ -65,7 +65,7 @@
 	 * @param capacity
 	 *            number of entries the list can initially hold.
 	 */
-	public IntList(final int capacity) {
+	public IntList(int capacity) {
 		entries = new int[capacity];
 	}
 
@@ -102,7 +102,7 @@
 	 * @throws java.lang.ArrayIndexOutOfBoundsException
 	 *             the index outside the valid range
 	 */
-	public int get(final int i) {
+	public int get(int i) {
 		if (count <= i)
 			throw new ArrayIndexOutOfBoundsException(i);
 		return entries[i];
@@ -121,7 +121,7 @@
 	 * @param n
 	 *            the number to add.
 	 */
-	public void add(final int n) {
+	public void add(int n) {
 		if (count == entries.length)
 			grow();
 		entries[count++] = n;
@@ -135,7 +135,7 @@
 	 * @param n
 	 *            value to store at the position.
 	 */
-	public void set(final int index, final int n) {
+	public void set(int index, int n) {
 		if (count < index)
 			throw new ArrayIndexOutOfBoundsException(index);
 		else if (count == index)
@@ -154,7 +154,7 @@
 	 * @param val
 	 *            value to insert into padded positions.
 	 */
-	public void fillTo(int toIndex, final int val) {
+	public void fillTo(int toIndex, int val) {
 		while (count < toIndex)
 			add(val);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
index 404594c..3bd6e18 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongList.java
@@ -67,7 +67,7 @@
 	 * @param capacity
 	 *            number of entries the list can initially hold.
 	 */
-	public LongList(final int capacity) {
+	public LongList(int capacity) {
 		entries = new long[capacity];
 	}
 
@@ -89,7 +89,7 @@
 	 * @throws java.lang.ArrayIndexOutOfBoundsException
 	 *             the index outside the valid range
 	 */
-	public long get(final int i) {
+	public long get(int i) {
 		if (count <= i)
 			throw new ArrayIndexOutOfBoundsException(i);
 		return entries[i];
@@ -102,7 +102,7 @@
 	 *            the value to search for.
 	 * @return true of {@code value} appears in this list.
 	 */
-	public boolean contains(final long value) {
+	public boolean contains(long value) {
 		for (int i = 0; i < count; i++)
 			if (entries[i] == value)
 				return true;
@@ -122,7 +122,7 @@
 	 * @param n
 	 *            the number to add.
 	 */
-	public void add(final long n) {
+	public void add(long n) {
 		if (count == entries.length)
 			grow();
 		entries[count++] = n;
@@ -136,7 +136,7 @@
 	 * @param n
 	 *            value to store at the position.
 	 */
-	public void set(final int index, final long n) {
+	public void set(int index, long n) {
 		if (count < index)
 			throw new ArrayIndexOutOfBoundsException(index);
 		else if (count == index)
@@ -155,7 +155,7 @@
 	 * @param val
 	 *            value to insert into padded positions.
 	 */
-	public void fillTo(int toIndex, final long val) {
+	public void fillTo(int toIndex, long val) {
 		while (count < toIndex)
 			add(val);
 	}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongMap.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongMap.java
index 09eee42..8c7f672 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/LongMap.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/LongMap.java
@@ -144,7 +144,7 @@
 		return null;
 	}
 
-	private void insert(final Node<V> n) {
+	private void insert(Node<V> n) {
 		final int idx = index(n.key);
 		n.next = table[idx];
 		table[idx] = n;
@@ -166,14 +166,14 @@
 		}
 	}
 
-	private final int index(final long key) {
+	private final int index(long key) {
 		int h = ((int) key) >>> 1;
 		h ^= (h >>> 20) ^ (h >>> 12);
 		return h & (table.length - 1);
 	}
 
 	@SuppressWarnings("unchecked")
-	private static final <V> Node<V>[] createArray(final int sz) {
+	private static final <V> Node<V>[] createArray(int sz) {
 		return new Node[sz];
 	}
 
@@ -182,7 +182,7 @@
 		V value;
 		Node<V> next;
 
-		Node(final long k, final V v) {
+		Node(long k, V v) {
 			key = k;
 			value = v;
 		}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/QuotedString.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/QuotedString.java
index 77bc249..4d58d06 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/QuotedString.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/QuotedString.java
@@ -99,7 +99,7 @@
 	 * @return the cleaned string.
 	 * @see #dequote(byte[], int, int)
 	 */
-	public String dequote(final String in) {
+	public String dequote(String in) {
 		final byte[] b = Constants.encode(in);
 		return dequote(b, 0, b.length);
 	}
@@ -137,7 +137,7 @@
 	 */
 	public static class BourneStyle extends QuotedString {
 		@Override
-		public String quote(final String in) {
+		public String quote(String in) {
 			final StringBuilder r = new StringBuilder();
 			r.append('\'');
 			int start = 0, i = 0;
@@ -160,7 +160,7 @@
 		}
 
 		@Override
-		public String dequote(final byte[] in, int ip, final int ie) {
+		public String dequote(byte[] in, int ip, int ie) {
 			boolean inquote = false;
 			final byte[] r = new byte[ie - ip];
 			int rPtr = 0;
@@ -188,7 +188,7 @@
 	/** Bourne style, but permits <code>~user</code> at the start of the string. */
 	public static class BourneUserPathStyle extends BourneStyle {
 		@Override
-		public String quote(final String in) {
+		public String quote(String in) {
 			if (in.matches("^~[A-Za-z0-9_-]+$")) { //$NON-NLS-1$
 				// If the string is just "~user" we can assume they
 				// mean "~user/".
@@ -255,7 +255,7 @@
 		}
 
 		@Override
-		public String quote(final String instr) {
+		public String quote(String instr) {
 			if (instr.length() == 0)
 				return "\"\""; //$NON-NLS-1$
 			boolean reuse = true;
@@ -291,13 +291,13 @@
 		}
 
 		@Override
-		public String dequote(final byte[] in, final int inPtr, final int inEnd) {
+		public String dequote(byte[] in, int inPtr, int inEnd) {
 			if (2 <= inEnd - inPtr && in[inPtr] == '"' && in[inEnd - 1] == '"')
 				return dq(in, inPtr + 1, inEnd - 1);
 			return RawParseUtils.decode(Constants.CHARSET, in, inPtr, inEnd);
 		}
 
-		private static String dq(final byte[] in, int inPtr, final int inEnd) {
+		private static String dq(byte[] in, int inPtr, int inEnd) {
 			final byte[] r = new byte[inEnd - inPtr];
 			int rPtr = 0;
 			while (inPtr < inEnd) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawCharSequence.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawCharSequence.java
index 23ee9d0..42060c6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawCharSequence.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawCharSequence.java
@@ -68,7 +68,7 @@
 	 * @param end
 	 *            ending position for the sequence.
 	 */
-	public RawCharSequence(final byte[] buf, final int start, final int end) {
+	public RawCharSequence(byte[] buf, int start, int end) {
 		buffer = buf;
 		startPtr = start;
 		endPtr = end;
@@ -76,7 +76,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public char charAt(final int index) {
+	public char charAt(int index) {
 		return (char) (buffer[startPtr + index] & 0xff);
 	}
 
@@ -88,7 +88,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public CharSequence subSequence(final int start, final int end) {
+	public CharSequence subSequence(int start, int end) {
 		return new RawCharSequence(buffer, startPtr + start, startPtr + end);
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawParseUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawParseUtils.java
index 014c772..c22c8de 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawParseUtils.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawParseUtils.java
@@ -63,6 +63,7 @@
 import java.util.Map;
 
 import org.eclipse.jgit.annotations.Nullable;
+import org.eclipse.jgit.errors.BinaryBlobException;
 import org.eclipse.jgit.lib.Constants;
 import org.eclipse.jgit.lib.PersonIdent;
 
@@ -125,7 +126,7 @@
 	 *            the buffer to test for equality with b.
 	 * @return ptr + src.length if b[ptr..src.length] == src; else -1.
 	 */
-	public static final int match(final byte[] b, int ptr, final byte[] src) {
+	public static final int match(byte[] b, int ptr, byte[] src) {
 		if (ptr + src.length > b.length)
 			return -1;
 		for (int i = 0; i < src.length; i++, ptr++)
@@ -461,7 +462,7 @@
 	 *            position within buffer to start parsing digits at.
 	 * @return the timezone at this location, expressed in minutes.
 	 */
-	public static final int parseTimeZoneOffset(final byte[] b, int ptr) {
+	public static final int parseTimeZoneOffset(byte[] b, int ptr) {
 		return parseTimeZoneOffset(b, ptr, null);
 	}
 
@@ -500,7 +501,7 @@
 	 *            character to find.
 	 * @return new position just after chrA.
 	 */
-	public static final int next(final byte[] b, int ptr, final char chrA) {
+	public static final int next(byte[] b, int ptr, char chrA) {
 		final int sz = b.length;
 		while (ptr < sz) {
 			if (b[ptr++] == chrA)
@@ -520,7 +521,7 @@
 	 *            position within buffer to start looking for LF at.
 	 * @return new position just after the first LF found.
 	 */
-	public static final int nextLF(final byte[] b, int ptr) {
+	public static final int nextLF(byte[] b, int ptr) {
 		return next(b, ptr, '\n');
 	}
 
@@ -537,7 +538,7 @@
 	 *            character to find.
 	 * @return new position just after the first chrA or LF to be found.
 	 */
-	public static final int nextLF(final byte[] b, int ptr, final char chrA) {
+	public static final int nextLF(byte[] b, int ptr, char chrA) {
 		final int sz = b.length;
 		while (ptr < sz) {
 			final byte c = b[ptr++];
@@ -558,7 +559,7 @@
 	 *            character to find.
 	 * @return new position just before chrA, -1 for not found
 	 */
-	public static final int prev(final byte[] b, int ptr, final char chrA) {
+	public static final int prev(byte[] b, int ptr, char chrA) {
 		if (ptr == b.length)
 			--ptr;
 		while (ptr >= 0) {
@@ -579,7 +580,7 @@
 	 *            position within buffer to start looking for LF at.
 	 * @return new position just before the first LF found, -1 for not found
 	 */
-	public static final int prevLF(final byte[] b, int ptr) {
+	public static final int prevLF(byte[] b, int ptr) {
 		return prev(b, ptr, '\n');
 	}
 
@@ -597,7 +598,7 @@
 	 * @return new position just before the first chrA or LF to be found, -1 for
 	 *         not found
 	 */
-	public static final int prevLF(final byte[] b, int ptr, final char chrA) {
+	public static final int prevLF(byte[] b, int ptr, char chrA) {
 		if (ptr == b.length)
 			--ptr;
 		while (ptr >= 0) {
@@ -632,11 +633,47 @@
 	 *            line 1.
 	 * @param end
 	 *            1 past the end of the content within <code>buf</code>.
-	 * @return a line map indexing the start position of each line.
+	 * @return a line map indicating the starting position of each line, or a
+	 *         map representing the entire buffer as a single line if
+	 *         <code>buf</code> contains a NUL byte.
 	 */
-	public static final IntList lineMap(final byte[] buf, int ptr, int end) {
-		int start = ptr;
+	public static final IntList lineMap(byte[] buf, int ptr, int end) {
+		IntList map = lineMapOrNull(buf, ptr, end);
+		if (map == null) {
+			map = new IntList(3);
+			map.add(Integer.MIN_VALUE);
+			map.add(ptr);
+			map.add(end);
+		}
+		return map;
+	}
 
+	/**
+	 * Like {@link #lineMap(byte[], int, int)} but throw
+	 * {@link BinaryBlobException} if a NUL byte is encountered.
+	 *
+	 * @param buf
+	 *            buffer to scan.
+	 * @param ptr
+	 *            position within the buffer corresponding to the first byte of
+	 *            line 1.
+	 * @param end
+	 *            1 past the end of the content within <code>buf</code>.
+	 * @return a line map indicating the starting position of each line.
+	 * @throws BinaryBlobException
+	 *            if a NUL byte is found.
+	 * @since 5.0
+	 */
+	public static final IntList lineMapOrBinary(byte[] buf, int ptr, int end)
+			throws BinaryBlobException {
+		IntList map = lineMapOrNull(buf, ptr, end);
+		if (map == null) {
+			throw new BinaryBlobException();
+		}
+		return map;
+	}
+
+	private static @Nullable IntList lineMapOrNull(byte[] buf, int ptr, int end) {
 		// Experimentally derived from multiple source repositories
 		// the average number of bytes/line is 36. Its a rough guess
 		// to initially size our map close to the target.
@@ -649,11 +686,7 @@
 			}
 
 			if (buf[ptr] == '\0') {
-				// binary data.
-				map = new IntList(3);
-				map.add(Integer.MIN_VALUE);
-				map.add(start);
-				break;
+				return null;
 			}
 
 			foundLF = (buf[ptr] == '\n');
@@ -675,7 +708,7 @@
 	 *         character of the author's name. If no author header can be
 	 *         located -1 is returned.
 	 */
-	public static final int author(final byte[] b, int ptr) {
+	public static final int author(byte[] b, int ptr) {
 		final int sz = b.length;
 		if (ptr == 0)
 			ptr += 46; // skip the "tree ..." line.
@@ -697,7 +730,7 @@
 	 *         character of the committer's name. If no committer header can be
 	 *         located -1 is returned.
 	 */
-	public static final int committer(final byte[] b, int ptr) {
+	public static final int committer(byte[] b, int ptr) {
 		final int sz = b.length;
 		if (ptr == 0)
 			ptr += 46; // skip the "tree ..." line.
@@ -721,7 +754,7 @@
 	 *         character of the tagger's name. If no tagger header can be
 	 *         located -1 is returned.
 	 */
-	public static final int tagger(final byte[] b, int ptr) {
+	public static final int tagger(byte[] b, int ptr) {
 		final int sz = b.length;
 		if (ptr == 0)
 			ptr += 48; // skip the "object ..." line.
@@ -749,7 +782,7 @@
 	 *         character of the encoding's name. If no encoding header can be
 	 *         located -1 is returned (and UTF-8 should be assumed).
 	 */
-	public static final int encoding(final byte[] b, int ptr) {
+	public static final int encoding(byte[] b, int ptr) {
 		final int sz = b.length;
 		while (ptr < sz) {
 			if (b[ptr] == '\n')
@@ -773,7 +806,7 @@
 	 * @since 4.2
 	 */
 	@Nullable
-	public static String parseEncodingName(final byte[] b) {
+	public static String parseEncodingName(byte[] b) {
 		int enc = encoding(b, 0);
 		if (enc < 0) {
 			return null;
@@ -801,7 +834,7 @@
 	 *             if the JRE does not support the character set requested by
 	 *             the encoding header.
 	 */
-	public static Charset parseEncoding(final byte[] b) {
+	public static Charset parseEncoding(byte[] b) {
 		String enc = parseEncodingName(b);
 		if (enc == null) {
 			return UTF_8;
@@ -831,7 +864,7 @@
 	 * @return the parsed identity or null in case the identity could not be
 	 *         parsed.
 	 */
-	public static PersonIdent parsePersonIdent(final String in) {
+	public static PersonIdent parsePersonIdent(String in) {
 		return parsePersonIdent(Constants.encode(in), 0);
 	}
 
@@ -853,7 +886,7 @@
 	 * @return the parsed identity or null in case the identity could not be
 	 *         parsed.
 	 */
-	public static PersonIdent parsePersonIdent(final byte[] raw, final int nameB) {
+	public static PersonIdent parsePersonIdent(byte[] raw, int nameB) {
 		Charset cs;
 		try {
 			cs = parseEncoding(raw);
@@ -961,7 +994,7 @@
 	 * @return position of the ':' which terminates the footer line key if this
 	 *         is otherwise a valid footer line key; otherwise -1.
 	 */
-	public static int endOfFooterLineKey(final byte[] raw, int ptr) {
+	public static int endOfFooterLineKey(byte[] raw, int ptr) {
 		try {
 			for (;;) {
 				final byte c = raw[ptr];
@@ -988,7 +1021,7 @@
 	 * @return a string representation of the range <code>[start,end)</code>,
 	 *         after decoding the region through the specified character set.
 	 */
-	public static String decode(final byte[] buffer) {
+	public static String decode(byte[] buffer) {
 		return decode(buffer, 0, buffer.length);
 	}
 
@@ -1026,7 +1059,7 @@
 	 * @return a string representation of the range <code>[start,end)</code>,
 	 *         after decoding the region through the specified character set.
 	 */
-	public static String decode(final Charset cs, final byte[] buffer) {
+	public static String decode(Charset cs, byte[] buffer) {
 		return decode(cs, buffer, 0, buffer.length);
 	}
 
@@ -1143,7 +1176,7 @@
 		return r.toString();
 	}
 
-	private static String decode(final ByteBuffer b, final Charset charset)
+	private static String decode(ByteBuffer b, Charset charset)
 			throws CharacterCodingException {
 		final CharsetDecoder d = charset.newDecoder();
 		d.onMalformedInput(CodingErrorAction.REPORT);
@@ -1162,7 +1195,7 @@
 	 *            commit buffer.
 	 * @return position of the user's message buffer.
 	 */
-	public static final int commitMessage(final byte[] b, int ptr) {
+	public static final int commitMessage(byte[] b, int ptr) {
 		final int sz = b.length;
 		if (ptr == 0)
 			ptr += 46; // skip the "tree ..." line.
@@ -1186,7 +1219,7 @@
 	 *            buffer.
 	 * @return position of the user's message buffer.
 	 */
-	public static final int tagMessage(final byte[] b, int ptr) {
+	public static final int tagMessage(byte[] b, int ptr) {
 		final int sz = b.length;
 		if (ptr == 0)
 			ptr += 48; // skip the "object ..." line.
@@ -1211,7 +1244,7 @@
 	 * @return position of the LF at the end of the paragraph;
 	 *         <code>b.length</code> if no paragraph end could be located.
 	 */
-	public static final int endOfParagraph(final byte[] b, final int start) {
+	public static final int endOfParagraph(byte[] b, int start) {
 		int ptr = start;
 		final int sz = b.length;
 		while (ptr < sz && (b[ptr] != '\n' && b[ptr] != '\r'))
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawSubStringPattern.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawSubStringPattern.java
index a8f9bc7..040b5cb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/RawSubStringPattern.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/RawSubStringPattern.java
@@ -66,7 +66,7 @@
 	 *            meta-characters are supported by this implementation. The
 	 *            string may not be the empty string.
 	 */
-	public RawSubStringPattern(final String patternText) {
+	public RawSubStringPattern(String patternText) {
 		if (patternText.length() == 0)
 			throw new IllegalArgumentException(JGitText.get().cannotMatchOnEmptyString);
 		needleString = patternText;
@@ -87,7 +87,7 @@
 	 *         pattern; -1 if this pattern does not appear at any position of
 	 *         <code>rcs</code>.
 	 */
-	public int match(final RawCharSequence rcs) {
+	public int match(RawCharSequence rcs) {
 		final int needleLen = needle.length;
 		final byte first = needle[0];
 
@@ -114,11 +114,11 @@
 		return -1;
 	}
 
-	private static final boolean neq(final byte a, final byte b) {
+	private static final boolean neq(byte a, byte b) {
 		return a != b && a != lc(b);
 	}
 
-	private static final byte lc(final byte q) {
+	private static final byte lc(byte q) {
 		return (byte) StringUtils.toLowerCase((char) (q & 0xff));
 	}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/RefMap.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/RefMap.java
index c1aaecf..a3f9730 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/RefMap.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/RefMap.java
@@ -169,7 +169,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public Ref put(final String keyName, Ref value) {
+	public Ref put(String keyName, Ref value) {
 		String name = toRefName(keyName);
 
 		if (!name.equals(value.getName()))
@@ -355,7 +355,7 @@
 			return null;
 		}
 
-		private Ref resolveLoose(final Ref l) {
+		private Ref resolveLoose(Ref l) {
 			if (resolvedIdx < resolved.size()) {
 				Ref r = resolved.get(resolvedIdx);
 				int cmp = RefComparator.compareTo(l, r);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/SshSupport.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/SshSupport.java
new file mode 100644
index 0000000..913aa72
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/SshSupport.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2018, Markus Duft <markus.duft@ssi-schaefer.com>
+ * and other copyright owners as documented in the project's IP log.
+ *
+ * This program and the accompanying materials are made available
+ * under the terms of the Eclipse Distribution License v1.0 which
+ * accompanies this distribution, is reproduced below, and is
+ * available at http://www.eclipse.org/org/documents/edl-v10.php
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the following
+ *   disclaimer in the documentation and/or other materials provided
+ *   with the distribution.
+ *
+ * - Neither the name of the Eclipse Foundation, Inc. nor the
+ *   names of its contributors may be used to endorse or promote
+ *   products derived from this software without specific prior
+ *   written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.eclipse.jgit.util;
+
+import java.io.IOException;
+import java.text.MessageFormat;
+
+import org.eclipse.jgit.annotations.Nullable;
+import org.eclipse.jgit.errors.CommandFailedException;
+import org.eclipse.jgit.internal.JGitText;
+import org.eclipse.jgit.transport.CredentialsProvider;
+import org.eclipse.jgit.transport.RemoteSession;
+import org.eclipse.jgit.transport.SshSessionFactory;
+import org.eclipse.jgit.transport.URIish;
+import org.eclipse.jgit.util.io.MessageWriter;
+import org.eclipse.jgit.util.io.StreamCopyThread;
+
+/**
+ * Extra utilities to support usage of SSH.
+ *
+ * @since 5.0
+ */
+public class SshSupport {
+
+	/**
+	 * Utility to execute a remote SSH command and read the first line of
+	 * output.
+	 *
+	 * @param sshUri
+	 *            the SSH remote URI
+	 * @param provider
+	 *            the {@link CredentialsProvider} or <code>null</code>.
+	 * @param fs
+	 *            the {@link FS} implementation passed to
+	 *            {@link SshSessionFactory}
+	 * @param command
+	 *            the remote command to execute.
+	 * @param timeout
+	 *            a timeout in seconds. The timeout may be exceeded in corner
+	 *            cases.
+	 * @return The entire output read from stdout.
+	 * @throws IOException
+	 * @throws CommandFailedException
+	 *             if the ssh command execution failed, error message contains
+	 *             the content of stderr.
+	 */
+	public static String runSshCommand(URIish sshUri,
+			@Nullable CredentialsProvider provider, FS fs, String command,
+			int timeout) throws IOException, CommandFailedException {
+		RemoteSession session = null;
+		Process process = null;
+		StreamCopyThread errorThread = null;
+		StreamCopyThread outThread = null;
+		CommandFailedException failure = null;
+		@SuppressWarnings("resource")
+		MessageWriter stderr = new MessageWriter();
+		try (MessageWriter stdout = new MessageWriter()) {
+			session = SshSessionFactory.getInstance().getSession(sshUri,
+					provider, fs, 1000 * timeout);
+			process = session.exec(command, 0);
+			errorThread = new StreamCopyThread(process.getErrorStream(),
+					stderr.getRawStream());
+			errorThread.start();
+			outThread = new StreamCopyThread(process.getInputStream(),
+					stdout.getRawStream());
+			outThread.start();
+			try {
+				// waitFor with timeout has a bug - JSch' exitValue() throws the
+				// wrong exception type :(
+				if (process.waitFor() == 0) {
+					return stdout.toString();
+				} else {
+					return null; // still running after timeout
+				}
+			} catch (InterruptedException e) {
+				return null; // error
+			}
+		} finally {
+			if (errorThread != null) {
+				try {
+					errorThread.halt();
+				} catch (InterruptedException e) {
+					// Stop waiting and return anyway.
+				} finally {
+					errorThread = null;
+				}
+			}
+			if (outThread != null) {
+				try {
+					outThread.halt();
+				} catch (InterruptedException e) {
+					// Stop waiting and return anyway.
+				} finally {
+					outThread = null;
+				}
+			}
+			if (process != null) {
+				if (process.exitValue() != 0) {
+					failure = new CommandFailedException(process.exitValue(),
+							MessageFormat.format(
+							JGitText.get().sshCommandFailed, command,
+							stderr.toString()));
+				}
+				process.destroy();
+			}
+			stderr.close();
+			if (session != null) {
+				SshSessionFactory.getInstance().releaseSession(session);
+			}
+			if (failure != null) {
+				throw failure;
+			}
+		}
+	}
+
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java
index b4736d3..3868e56 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java
@@ -74,7 +74,7 @@
 	 *            the input character.
 	 * @return lowercase version of the input.
 	 */
-	public static char toLowerCase(final char c) {
+	public static char toLowerCase(char c) {
 		return c <= 'Z' ? LC[c] : c;
 	}
 
@@ -91,7 +91,7 @@
 	 * @return a copy of the input string, after converting characters in the
 	 *         range 'A'..'Z' to 'a'..'z'.
 	 */
-	public static String toLowerCase(final String in) {
+	public static String toLowerCase(String in) {
 		final StringBuilder r = new StringBuilder(in.length());
 		for (int i = 0; i < in.length(); i++)
 			r.append(toLowerCase(in.charAt(i)));
@@ -138,7 +138,7 @@
 	 *            second string to compare.
 	 * @return true if a equals b
 	 */
-	public static boolean equalsIgnoreCase(final String a, final String b) {
+	public static boolean equalsIgnoreCase(String a, String b) {
 		if (a == b)
 			return true;
 		if (a.length() != b.length())
@@ -205,7 +205,7 @@
 	 *             if {@code value} is not recognized as one of the standard
 	 *             boolean names.
 	 */
-	public static boolean toBoolean(final String stringValue) {
+	public static boolean toBoolean(String stringValue) {
 		if (stringValue == null)
 			throw new NullPointerException(JGitText.get().expectedBooleanStringValue);
 
@@ -232,7 +232,7 @@
 	 * @return the boolean interpretation of {@code value} or null in case the
 	 *         string does not represent a boolean value
 	 */
-	public static Boolean toBooleanOrNull(final String stringValue) {
+	public static Boolean toBooleanOrNull(String stringValue) {
 		if (stringValue == null)
 			return null;
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/SystemReader.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/SystemReader.java
index 96a796c..953c976 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/SystemReader.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/SystemReader.java
@@ -237,7 +237,7 @@
 	public abstract FileBasedConfig openUserConfig(Config parent, FS fs);
 
 	/**
-	 * Open the gitonfig configuration found in the system-wide "etc" directory
+	 * Open the gitconfig configuration found in the system-wide "etc" directory
 	 *
 	 * @param parent
 	 *            a config with values not found directly in the returned
@@ -245,7 +245,7 @@
 	 * @param fs
 	 *            the file system abstraction which will be necessary to perform
 	 *            certain file system operations.
-	 * @return the gitonfig configuration found in the system-wide "etc"
+	 * @return the gitconfig configuration found in the system-wide "etc"
 	 *         directory
 	 */
 	public abstract FileBasedConfig openSystemConfig(Config parent, FS fs);
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/TemporaryBuffer.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/TemporaryBuffer.java
index dd933a0..3ed7aeb 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/TemporaryBuffer.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/TemporaryBuffer.java
@@ -91,7 +91,7 @@
 	 *            maximum number of bytes to store in memory before entering the
 	 *            overflow output path; also used as the estimated size.
 	 */
-	protected TemporaryBuffer(final int limit) {
+	protected TemporaryBuffer(int limit) {
 		this(limit, limit);
 	}
 
@@ -106,7 +106,7 @@
 	 *            overflow output path.
 	 * @since 4.0
 	 */
-	protected TemporaryBuffer(final int estimatedSize, final int limit) {
+	protected TemporaryBuffer(int estimatedSize, int limit) {
 		if (estimatedSize > limit)
 			throw new IllegalArgumentException();
 		this.inCoreLimit = limit;
@@ -116,7 +116,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(final int b) throws IOException {
+	public void write(int b) throws IOException {
 		if (overflow != null) {
 			overflow.write(b);
 			return;
@@ -137,7 +137,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(final byte[] b, int off, int len) throws IOException {
+	public void write(byte[] b, int off, int len) throws IOException {
 		if (overflow == null) {
 			while (len > 0) {
 				Block s = last();
@@ -183,7 +183,7 @@
 	 *             an error occurred reading from the input stream, or while
 	 *             writing to a local temporary file.
 	 */
-	public void copy(final InputStream in) throws IOException {
+	public void copy(InputStream in) throws IOException {
 		if (blocks != null) {
 			for (;;) {
 				Block s = last();
@@ -238,7 +238,7 @@
 			throw new OutOfMemoryError(JGitText.get().lengthExceedsMaximumArraySize);
 		final byte[] out = new byte[(int) len];
 		int outPtr = 0;
-		for (final Block b : blocks) {
+		for (Block b : blocks) {
 			System.arraycopy(b.buffer, 0, out, outPtr, b.count);
 			outPtr += b.count;
 		}
@@ -265,7 +265,7 @@
 					JGitText.get().lengthExceedsMaximumArraySize);
 		final byte[] out = new byte[(int) len];
 		int outPtr = 0;
-		for (final Block b : blocks) {
+		for (Block b : blocks) {
 			System.arraycopy(b.buffer, 0, out, outPtr, b.count);
 			outPtr += b.count;
 		}
@@ -288,11 +288,11 @@
 	 *             an error occurred reading from a temporary file on the local
 	 *             system, or writing to the output stream.
 	 */
-	public void writeTo(final OutputStream os, ProgressMonitor pm)
+	public void writeTo(OutputStream os, ProgressMonitor pm)
 			throws IOException {
 		if (pm == null)
 			pm = NullProgressMonitor.INSTANCE;
-		for (final Block b : blocks) {
+		for (Block b : blocks) {
 			os.write(b.buffer, 0, b.count);
 			pm.update(b.count / 1024);
 		}
@@ -373,7 +373,7 @@
 		overflow = overflow();
 
 		final Block last = blocks.remove(blocks.size() - 1);
-		for (final Block b : blocks)
+		for (Block b : blocks)
 			overflow.write(b.buffer, 0, b.count);
 		blocks = null;
 
@@ -442,7 +442,7 @@
 		 *            system default temporary directory (for example /tmp) will
 		 *            be used instead.
 		 */
-		public LocalFile(final File directory) {
+		public LocalFile(File directory) {
 			this(directory, DEFAULT_IN_CORE_LIMIT);
 		}
 
@@ -458,7 +458,7 @@
 		 *            maximum number of bytes to store in memory. Storage beyond
 		 *            this limit will use the local file.
 		 */
-		public LocalFile(final File directory, final int inCoreLimit) {
+		public LocalFile(File directory, int inCoreLimit) {
 			super(inCoreLimit);
 			this.directory = directory;
 		}
@@ -487,17 +487,14 @@
 			if (Integer.MAX_VALUE < len)
 				throw new OutOfMemoryError(JGitText.get().lengthExceedsMaximumArraySize);
 			final byte[] out = new byte[(int) len];
-			final FileInputStream in = new FileInputStream(onDiskFile);
-			try {
+			try (FileInputStream in = new FileInputStream(onDiskFile)) {
 				IO.readFully(in, out, 0, (int) len);
-			} finally {
-				in.close();
 			}
 			return out;
 		}
 
 		@Override
-		public void writeTo(final OutputStream os, ProgressMonitor pm)
+		public void writeTo(OutputStream os, ProgressMonitor pm)
 				throws IOException {
 			if (onDiskFile == null) {
 				super.writeTo(os, pm);
@@ -505,16 +502,13 @@
 			}
 			if (pm == null)
 				pm = NullProgressMonitor.INSTANCE;
-			final FileInputStream in = new FileInputStream(onDiskFile);
-			try {
+			try (FileInputStream in = new FileInputStream(onDiskFile)) {
 				int cnt;
 				final byte[] buf = new byte[Block.SZ];
 				while ((cnt = in.read(buf)) >= 0) {
 					os.write(buf, 0, cnt);
 					pm.update(cnt / 1024);
 				}
-			} finally {
-				in.close();
 			}
 		}
 
@@ -569,7 +563,7 @@
 		 *            also used as the estimated size. Storing beyond this many
 		 *            will cause an IOException to be thrown during write.
 		 */
-		public Heap(final int limit) {
+		public Heap(int limit) {
 			super(limit);
 		}
 
@@ -585,7 +579,7 @@
 		 *            thrown during write.
 		 * @since 4.0
 		 */
-		public Heap(final int estimatedSize, final int limit) {
+		public Heap(int estimatedSize, int limit) {
 			super(estimatedSize, limit);
 		}
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFInputStream.java
index 4566825..08377e6 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFInputStream.java
@@ -100,7 +100,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int read(byte[] bs, final int off, final int len) throws IOException {
+	public int read(byte[] bs, int off, int len) throws IOException {
 		if (len == 0)
 			return 0;
 
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFOutputStream.java
index e764389..d8cfee7 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoCRLFOutputStream.java
@@ -113,7 +113,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(byte[] b, final int startOff, final int startLen)
+	public void write(byte[] b, int startOff, int startLen)
 			throws IOException {
 		final int overflow = buffer(b, startOff, startLen);
 		if (overflow < 0)
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFInputStream.java
index 06f83f3..ff28161 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFInputStream.java
@@ -134,7 +134,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public int read(byte[] bs, final int off, final int len)
+	public int read(byte[] bs, int off, int len)
 			throws IOException {
 		if (len == 0)
 			return 0;
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFOutputStream.java
index 32226c4..908d0a0 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/AutoLFOutputStream.java
@@ -120,7 +120,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(byte[] b, final int startOff, final int startLen)
+	public void write(byte[] b, int startOff, int startLen)
 			throws IOException {
 		final int overflow = buffer(b, startOff, startLen);
 		if (overflow < 0) {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/EolCanonicalizingInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/EolCanonicalizingInputStream.java
deleted file mode 100644
index dd9a953..0000000
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/EolCanonicalizingInputStream.java
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2010, 2013 Marc Strapetz <marc.strapetz@syntevo.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- *   copyright notice, this list of conditions and the following
- *   disclaimer in the documentation and/or other materials provided
- *   with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- *   names of its contributors may be used to endorse or promote
- *   products derived from this software without specific prior
- *   written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package org.eclipse.jgit.util.io;
-
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * An input stream which canonicalizes EOLs bytes on the fly to '\n'.
- *
- * Optionally, a binary check on the first 8000 bytes is performed and in case
- * of binary files, canonicalization is turned off (for the complete file).
- *
- * @deprecated use {@link org.eclipse.jgit.util.io.AutoLFInputStream} instead
- */
-@Deprecated
-public class EolCanonicalizingInputStream extends AutoLFInputStream {
-
-	/**
-	 * Creates a new InputStream, wrapping the specified stream
-	 *
-	 * @param in
-	 *            raw input stream
-	 * @param detectBinary
-	 *            whether binaries should be detected
-	 */
-	public EolCanonicalizingInputStream(InputStream in, boolean detectBinary) {
-		super(in, detectBinary);
-	}
-
-	/**
-	 * Creates a new InputStream, wrapping the specified stream
-	 *
-	 * @param in
-	 *            raw input stream
-	 * @param detectBinary
-	 *            whether binaries should be detected
-	 * @param abortIfBinary
-	 *            throw an IOException if the file is binary
-	 */
-	public EolCanonicalizingInputStream(InputStream in, boolean detectBinary,
-			boolean abortIfBinary) {
-		super(in, detectBinary, abortIfBinary);
-	}
-
-	/**
-	 * A special exception thrown when {@link AutoLFInputStream} is told to
-	 * throw an exception when attempting to read a binary file. The exception
-	 * may be thrown at any stage during reading.
-	 *
-	 * @since 3.3
-	 */
-	public static class IsBinaryException extends IOException {
-		private static final long serialVersionUID = 1L;
-
-		IsBinaryException() {
-			super();
-		}
-	}
-
-}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/InterruptTimer.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/InterruptTimer.java
index f400e50..b7feddd 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/InterruptTimer.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/InterruptTimer.java
@@ -103,7 +103,7 @@
 	 * @param threadName
 	 *            name of the timer thread.
 	 */
-	public InterruptTimer(final String threadName) {
+	public InterruptTimer(String threadName) {
 		state = new AlarmState();
 		autoKiller = new AutoKiller(state);
 		thread = new AlarmThread(threadName, state);
@@ -117,7 +117,7 @@
 	 *            number of milliseconds before the interrupt should trigger.
 	 *            Must be &gt; 0.
 	 */
-	public void begin(final int timeout) {
+	public void begin(int timeout) {
 		if (timeout <= 0)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().invalidTimeout, Integer.valueOf(timeout)));
@@ -145,7 +145,7 @@
 	}
 
 	static final class AlarmThread extends Thread {
-		AlarmThread(final String name, final AlarmState q) {
+		AlarmThread(String name, AlarmState q) {
 			super(q);
 			setName(name);
 			setDaemon(true);
@@ -161,7 +161,7 @@
 	private static final class AutoKiller {
 		private final AlarmState state;
 
-		AutoKiller(final AlarmState s) {
+		AutoKiller(AlarmState s) {
 			state = s;
 		}
 
@@ -203,7 +203,7 @@
 			}
 		}
 
-		synchronized void begin(final int timeout) {
+		synchronized void begin(int timeout) {
 			if (terminated)
 				throw new IllegalStateException(JGitText.get().timerAlreadyTerminated);
 			callingThread = Thread.currentThread();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/IsolatedOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/IsolatedOutputStream.java
index 5e50995..65470d4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/IsolatedOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/IsolatedOutputStream.java
@@ -99,7 +99,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public void write(final byte[] buf, final int pos, final int cnt)
+	public void write(byte[] buf, int pos, int cnt)
 			throws IOException {
 		checkClosed();
 		execute(new Callable<Void>() {
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/SafeBufferedOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/SilentFileInputStream.java
similarity index 69%
rename from org.eclipse.jgit/src/org/eclipse/jgit/util/io/SafeBufferedOutputStream.java
rename to org.eclipse.jgit/src/org/eclipse/jgit/util/io/SilentFileInputStream.java
index 68b417e..e58803b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/SafeBufferedOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/SilentFileInputStream.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011, Robin Rosenberg
+ * Copyright (C) 2018, David Pursehouse <david.pursehouse@gmail.com>
  * and other copyright owners as documented in the project's IP log.
  *
  * This program and the accompanying materials are made available
@@ -40,39 +40,36 @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 package org.eclipse.jgit.util.io;
 
-import java.io.BufferedOutputStream;
-import java.io.OutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
 
 /**
- * <p>SafeBufferedOutputStream class.</p>
+ * An implementation of FileInputStream that ignores any exceptions on close().
  *
- * @deprecated use BufferedOutputStream in Java 8 and later.
+ * @since 5.0
  */
-@Deprecated
-public class SafeBufferedOutputStream extends BufferedOutputStream {
+public class SilentFileInputStream extends FileInputStream {
 	/**
-	 * <p>Constructor for SafeBufferedOutputStream.</p>
-	 *
-	 * @see BufferedOutputStream#BufferedOutputStream(OutputStream)
-	 * @param out
-	 *            underlying output stream
+	 * @param file
+	 *            the file
+	 * @throws FileNotFoundException
+	 *             the file was not found
 	 */
-	public SafeBufferedOutputStream(OutputStream out) {
-		super(out);
+	public SilentFileInputStream(File file) throws FileNotFoundException {
+		super(file);
 	}
 
-	/**
-	 * <p>Constructor for SafeBufferedOutputStream.</p>
-	 *
-	 * @see BufferedOutputStream#BufferedOutputStream(OutputStream, int)
-	 * @param out
-	 *            underlying output stream
-	 * @param size
-	 *            buffer size
-	 */
-	public SafeBufferedOutputStream(OutputStream out, int size) {
-		super(out, size);
+	@Override
+	public void close() {
+		try {
+			super.close();
+		} catch (IOException e) {
+			// Ignore
+		}
 	}
 }
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java
index 5c1af9ef..a9989a1 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/StreamCopyThread.java
@@ -73,7 +73,7 @@
 	 *            stream to copy into. The destination stream is automatically
 	 *            closed when the thread terminates.
 	 */
-	public StreamCopyThread(final InputStream i, final OutputStream o) {
+	public StreamCopyThread(InputStream i, OutputStream o) {
 		setName(Thread.currentThread().getName() + "-StreamCopy"); //$NON-NLS-1$
 		src = i;
 		dst = o;
@@ -81,20 +81,6 @@
 	}
 
 	/**
-	 * Request the thread to flush the output stream as soon as possible.
-	 * <p>
-	 * This is an asynchronous request to the thread. The actual flush will
-	 * happen at some future point in time, when the thread wakes up to process
-	 * the request.
-	 */
-	@Deprecated
-	public void flush() {
-		synchronized (writeLock) {
-			interrupt();
-		}
-	}
-
-	/**
 	 * Request that the thread terminate, and wait for it.
 	 * <p>
 	 * This method signals to the copy thread that it should stop as soon as
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TeeInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TeeInputStream.java
index dee4fe9..e40a5a4 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TeeInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TeeInputStream.java
@@ -89,7 +89,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public long skip(final long count) throws IOException {
+	public long skip(long count) throws IOException {
 		long skipped = 0;
 		long cnt = count;
 		final byte[] b = skipBuffer();
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
index 01b2519..2392b8a 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutInputStream.java
@@ -89,7 +89,7 @@
 	 * @param millis
 	 *            number of milliseconds before aborting a read. Must be &gt; 0.
 	 */
-	public void setTimeout(final int millis) {
+	public void setTimeout(int millis) {
 		if (millis < 0)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().invalidTimeout, Integer.valueOf(millis)));
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
index ea40133..27f1874 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/TimeoutOutputStream.java
@@ -91,7 +91,7 @@
 	 *            number of milliseconds before aborting a write. Must be &gt;
 	 *            0.
 	 */
-	public void setTimeout(final int millis) {
+	public void setTimeout(int millis) {
 		if (millis < 0)
 			throw new IllegalArgumentException(MessageFormat.format(
 					JGitText.get().invalidTimeout, Integer.valueOf(millis)));
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/UnionInputStream.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/UnionInputStream.java
index 51d3106..e14eb2b 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/util/io/UnionInputStream.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/io/UnionInputStream.java
@@ -107,7 +107,7 @@
 	 * @param in
 	 *            the stream to add; must not be null.
 	 */
-	public void add(final InputStream in) {
+	public void add(InputStream in) {
 		streams.add(in);
 	}
 
@@ -164,7 +164,7 @@
 
 	/** {@inheritDoc} */
 	@Override
-	public long skip(final long count) throws IOException {
+	public long skip(long count) throws IOException {
 		long skipped = 0;
 		long cnt = count;
 		while (0 < cnt) {
diff --git a/pom.xml b/pom.xml
index a16bc8c..3347847 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,7 +51,7 @@
   <groupId>org.eclipse.jgit</groupId>
   <artifactId>org.eclipse.jgit-parent</artifactId>
   <packaging>pom</packaging>
-  <version>4.11.10-SNAPSHOT</version>
+  <version>5.0.4-SNAPSHOT</version>
 
   <name>JGit - Parent</name>
   <url>${jgit-url}</url>
@@ -213,7 +213,7 @@
     <httpcore-version>4.4.6</httpcore-version>
     <slf4j-version>1.7.2</slf4j-version>
     <log4j-version>1.2.15</log4j-version>
-    <maven-javadoc-plugin-version>3.0.0</maven-javadoc-plugin-version>
+    <maven-javadoc-plugin-version>3.0.1</maven-javadoc-plugin-version>
     <tycho-extras-version>1.1.0</tycho-extras-version>
     <gson-version>2.8.2</gson-version>
     <spotbugs-maven-plugin-version>3.1.2</spotbugs-maven-plugin-version>
@@ -267,63 +267,6 @@
         </plugin>
 
         <plugin>
-          <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.7.0</version>
-          <configuration>
-            <encoding>UTF-8</encoding>
-            <source>1.8</source>
-            <target>1.8</target>
-          </configuration>
-          <executions>
-            <execution>
-              <id>default-compile</id>
-              <phase>compile</phase>
-              <goals>
-                <goal>compile</goal>
-              </goals>
-              <configuration>
-                <includes>
-                  <include>org/eclipse/jgit/transport/InsecureCipherFactory.java</include>
-                </includes>
-              </configuration>
-            </execution>
-            <execution>
-              <id>compile-with-errorprone</id>
-              <phase>compile</phase>
-              <goals>
-                <goal>compile</goal>
-              </goals>
-              <configuration>
-                <compilerId>javac-with-errorprone</compilerId>
-                <forceJavacCompilerUse>true</forceJavacCompilerUse>
-                <excludes>
-                  <exclude>org/eclipse/jgit/transport/InsecureCipherFactory.java</exclude>
-                </excludes>
-              </configuration>
-            </execution>
-          </executions>
-          <dependencies>
-            <dependency>
-              <groupId>org.codehaus.plexus</groupId>
-              <artifactId>plexus-compiler-javac</artifactId>
-              <version>2.8.2</version>
-            </dependency>
-            <dependency>
-              <groupId>org.codehaus.plexus</groupId>
-              <artifactId>plexus-compiler-javac-errorprone</artifactId>
-              <version>2.8.2</version>
-            </dependency>
-            <!-- override plexus-compiler-javac-errorprone's dependency on
-                 Error Prone with the latest version -->
-            <dependency>
-              <groupId>com.google.errorprone</groupId>
-              <artifactId>error_prone_core</artifactId>
-              <version>2.2.0</version>
-            </dependency>
-          </dependencies>
-        </plugin>
-
-        <plugin>
           <artifactId>maven-clean-plugin</artifactId>
           <version>3.0.0</version>
         </plugin>
@@ -343,7 +286,7 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-dependency-plugin</artifactId>
-          <version>3.0.2</version>
+          <version>3.1.1</version>
         </plugin>
 
         <plugin>
@@ -541,7 +484,6 @@
         </configuration>
         <executions>
           <execution>
-            <id>attach-javadocs</id>
             <goals>
               <goal>jar</goal>
             </goals>
@@ -596,6 +538,23 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
         <version>${maven-javadoc-plugin-version}</version>
+        <reportSets>
+          <reportSet>
+            <reports>
+              <report>javadoc</report>
+            </reports>
+          </reportSet>
+          <reportSet>
+            <id>aggregate</id>
+            <inherited>false</inherited>
+            <reports>
+              <report>aggregate</report>
+            </reports>
+          </reportSet>
+        </reportSets>
+        <configuration>
+          <additionalJOption>-Xdoclint:-missing</additionalJOption>
+        </configuration>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
@@ -619,6 +578,24 @@
           </reportsDirectories>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-project-info-reports-plugin</artifactId>
+        <version>2.9</version>
+        <reportSets>
+          <reportSet>
+            <reports>
+              <report>dependencies</report>
+              <report>project-team</report>
+              <report>mailing-list</report>
+              <report>cim</report>
+              <report>issue-tracking</report>
+              <report>license</report>
+              <report>scm</report>
+            </reports>
+          </reportSet>
+        </reportSets>
+      </plugin>
     </plugins>
   </reporting>
 
@@ -762,6 +739,107 @@
 
   <profiles>
     <profile>
+      <id>javac</id>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.7.0</version>
+            <configuration>
+              <encoding>UTF-8</encoding>
+              <source>1.8</source>
+              <target>1.8</target>
+            </configuration>
+            <executions>
+              <execution>
+                <id>default-compile</id>
+                <phase>compile</phase>
+                <goals>
+                  <goal>compile</goal>
+                </goals>
+                <configuration>
+                  <includes>
+                    <include>org/eclipse/jgit/transport/InsecureCipherFactory.java</include>
+                  </includes>
+                </configuration>
+              </execution>
+              <execution>
+                <id>compile-with-errorprone</id>
+                <phase>compile</phase>
+                <goals>
+                  <goal>compile</goal>
+                </goals>
+                <configuration>
+                  <compilerId>javac-with-errorprone</compilerId>
+                  <forceJavacCompilerUse>true</forceJavacCompilerUse>
+                  <excludes>
+                    <exclude>org/eclipse/jgit/transport/InsecureCipherFactory.java</exclude>
+                  </excludes>
+                </configuration>
+              </execution>
+            </executions>
+            <dependencies>
+              <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-compiler-javac</artifactId>
+                <version>2.8.2</version>
+              </dependency>
+              <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-compiler-javac-errorprone</artifactId>
+                <version>2.8.4</version>
+              </dependency>
+              <!-- override plexus-compiler-javac-errorprone's dependency on
+                  Error Prone with the latest version -->
+              <dependency>
+                <groupId>com.google.errorprone</groupId>
+                <artifactId>error_prone_core</artifactId>
+                <version>2.3.1</version>
+              </dependency>
+            </dependencies>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+    <profile>
+      <id>ecj</id>
+      <activation>
+        <activeByDefault>true</activeByDefault>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.7.0</version>
+            <configuration>
+              <compilerId>eclipse</compilerId>
+              <encoding>UTF-8</encoding>
+              <source>1.8</source>
+              <target>1.8</target>
+              <!-- Passing arguments is a trainwreck, see https://issues.apache.org/jira/browse/MCOMPILER-123 -->
+              <compilerArguments>
+                <properties>${project.basedir}/.settings/org.eclipse.jdt.core.prefs</properties>
+              </compilerArguments>
+              <showWarnings>true</showWarnings>
+              <showDeprecation>true</showDeprecation>
+            </configuration>
+            <dependencies>
+              <dependency>
+                <groupId>org.codehaus.plexus</groupId>
+                <artifactId>plexus-compiler-eclipse</artifactId>
+                <version>2.8.4</version>
+              </dependency>
+              <dependency>
+                <groupId>org.eclipse.jdt</groupId>
+                <artifactId>ecj</artifactId>
+                <version>3.13.102</version>
+              </dependency>
+            </dependencies>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+    <profile>
       <id>static-checks</id>
       <build>
         <plugins>