SSH command copy-project to copy project locally

Change-Id: I2080b5937e04b0c40558bc4ea8ed020afb451651
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProject.java b/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProject.java
index 44348b7..571e8ec 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProject.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProject.java
@@ -43,6 +43,8 @@
 import org.eclipse.jgit.api.errors.GitAPIException;
 
 import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.Writer;
 
 @Singleton
 @RequiresCapability(CopyProjectCapability.ID)
@@ -57,6 +59,8 @@
   private final Provider<CurrentUser> currentUserProvider;
   private final String pluginName;
 
+  private Writer err;
+
   @Inject
   CopyProject(
       ImportProject.Factory importProjectFactory,
@@ -85,8 +89,10 @@
     in.user = s.getUserName();
     in.pass = s.getPassword(s.getUserName());
 
-    return importProjectFactory.create(new Project.NameKey(input.name))
-        .apply(new ConfigResource(), in);
+    ImportProject importer = importProjectFactory.create(
+        new Project.NameKey(input.name));
+    importer.setErr(err);
+    return importer.apply(new ConfigResource(), in);
   }
 
   @Override
@@ -102,4 +108,8 @@
     return ctl.canAdministrateServer()
         || ctl.canPerform(pluginName + "-" + CopyProjectCapability.ID);
   }
+
+  void setErr(PrintWriter err) {
+    this.err = err;
+  }
 }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProjectCommand.java b/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProjectCommand.java
new file mode 100644
index 0000000..f5b1ed9
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/CopyProjectCommand.java
@@ -0,0 +1,63 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.importer;
+
+import com.google.gerrit.extensions.annotations.RequiresCapability;
+import com.google.gerrit.extensions.restapi.RestApiException;
+import com.google.gerrit.server.project.ProjectResource;
+import com.google.gerrit.server.project.ProjectsCollection;
+import com.google.gerrit.sshd.CommandMetaData;
+import com.google.gerrit.sshd.SshCommand;
+import com.google.inject.Inject;
+
+import org.kohsuke.args4j.Argument;
+import org.kohsuke.args4j.Option;
+
+@RequiresCapability(CopyProjectCapability.ID)
+@CommandMetaData(name = "copy-project", description = "Copies a project")
+public class CopyProjectCommand extends SshCommand {
+
+  @Option(name = "--quiet", usage = "suppress progress messages")
+  private boolean quiet;
+
+  @Argument(index = 0, required = true, metaVar = "NAME",
+      usage = "name of the source project")
+  private String source;
+
+  @Argument(index = 1, required = true, metaVar = "COPY",
+      usage = "name of the project copy")
+  private String target;
+
+  @Inject
+  private ProjectsCollection projects;
+
+  @Inject
+  private CopyProject copy;
+
+  @Override
+  protected void run() throws UnloggedFailure, Failure, Exception {
+    try {
+      ProjectResource srcProject = projects.parse(source);
+      if (!quiet) {
+        copy.setErr(stderr);
+      }
+      CopyProject.Input input = new CopyProject.Input();
+      input.name = target;
+      copy.apply(srcProject, input);
+    } catch (RestApiException e) {
+      throw die(e.getMessage());
+    }
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/importer/SshModule.java b/src/main/java/com/googlesource/gerrit/plugins/importer/SshModule.java
index 08d2a41..466643a 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/importer/SshModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/importer/SshModule.java
@@ -22,6 +22,7 @@
     command(ProjectCommand.class);
     command(ListProjectImportsCommand.class);
     command(ResumeProjectCommand.class);
+    command(CopyProjectCommand.class);
 
     command(GroupCommand.class);
   }
diff --git a/src/main/resources/Documentation/cmd-copy-project.md b/src/main/resources/Documentation/cmd-copy-project.md
new file mode 100644
index 0000000..29c1fae
--- /dev/null
+++ b/src/main/resources/Documentation/cmd-copy-project.md
@@ -0,0 +1,43 @@
+@PLUGIN@ copy-project
+=====================
+
+NAME
+----
+@PLUGIN@ copy-project - Copies a project
+
+SYNOPSIS
+--------
+```
+ssh -p @SSH_PORT@ @SSH_HOST@ @PLUGIN@ copy-project \
+  [--quiet] \
+  <NAME> \
+  <COPY>
+```
+
+DESCRIPTION
+-----------
+Copies a project.
+
+ACCESS
+------
+Caller must be a member of a group that is granted the 'Copy'
+capability (provided by this plugin) or the 'Administrate Server'
+capability.
+
+SCRIPTING
+---------
+This command is intended to be used in scripts.
+
+OPTIONS
+-------
+
+`--quiet`
+:	Suppress progress messages.
+
+EXAMPLES
+--------
+Copy a project:
+
+```
+  $ ssh -p @SSH_PORT@ @SSH_HOST@ @PLUGIN@ copy-project myProject myCopy
+```