diff --git a/javatests/com/google/gerrit/acceptance/tests.bzl b/javatests/com/google/gerrit/acceptance/tests.bzl
index 4b3b802d..08556a0 100644
--- a/javatests/com/google/gerrit/acceptance/tests.bzl
+++ b/javatests/com/google/gerrit/acceptance/tests.bzl
@@ -1,21 +1,21 @@
 load("//tools/bzl:junit.bzl", "junit_tests")
 
 def acceptance_tests(
-    group,
-    deps = [],
-    labels = [],
-    vm_args = ['-Xmx256m'],
-    **kwargs):
-  junit_tests(
-    name = group,
-    deps = deps + [
-      '//java/com/google/gerrit/acceptance:lib',
-    ],
-    tags = labels + [
-      'acceptance',
-      'slow',
-    ],
-    size = "large",
-    jvm_flags = vm_args,
-    **kwargs
-  )
+        group,
+        deps = [],
+        labels = [],
+        vm_args = ["-Xmx256m"],
+        **kwargs):
+    junit_tests(
+        name = group,
+        deps = deps + [
+            "//java/com/google/gerrit/acceptance:lib",
+        ],
+        tags = labels + [
+            "acceptance",
+            "slow",
+        ],
+        size = "large",
+        jvm_flags = vm_args,
+        **kwargs
+    )
diff --git a/lib/codemirror/cm.bzl b/lib/codemirror/cm.bzl
index 5088a05..593caa3 100644
--- a/lib/codemirror/cm.bzl
+++ b/lib/codemirror/cm.bzl
@@ -234,126 +234,142 @@
                         DIFF_MATCH_PATCH_VERSION)
 
 def pkg_cm():
-  for archive, suffix, top, license in [
-      ('@codemirror-original-gwt//jar', '', TOP, LICENSE),
-      ('@codemirror-minified-gwt//jar', '_r', TOP_MINIFIED, LICENSE_MINIFIED)
-  ]:
-    # Main JavaScript and addons
-    genrule2(
-      name = 'cm' + suffix,
-      cmd = ' && '.join([
-          "echo '/** @license' >$@",
-          'unzip -p $(location %s) %s/LICENSE >>$@' % (archive, top),
-          "echo '*/' >>$@",
-        ] +
-        ['unzip -p $(location %s) %s/%s >>$@' % (archive, top, n) for n in CM_JS] +
-        ['unzip -p $(location %s) %s/addon/%s >>$@' % (archive, top, n)
-         for n in CM_ADDONS]
-      ),
-      tools = [archive],
-      outs = ['cm%s.js' % suffix],
-    )
+    for archive, suffix, top, license in [
+        ("@codemirror-original-gwt//jar", "", TOP, LICENSE),
+        ("@codemirror-minified-gwt//jar", "_r", TOP_MINIFIED, LICENSE_MINIFIED),
+    ]:
+        # Main JavaScript and addons
+        genrule2(
+            name = "cm" + suffix,
+            cmd = " && ".join(
+                [
+                    "echo '/** @license' >$@",
+                    "unzip -p $(location %s) %s/LICENSE >>$@" % (archive, top),
+                    "echo '*/' >>$@",
+                ] +
+                ["unzip -p $(location %s) %s/%s >>$@" % (archive, top, n) for n in CM_JS] +
+                [
+                    "unzip -p $(location %s) %s/addon/%s >>$@" % (archive, top, n)
+                    for n in CM_ADDONS
+                ],
+            ),
+            tools = [archive],
+            outs = ["cm%s.js" % suffix],
+        )
 
-    # Main CSS
-    genrule2(
-      name = 'css' + suffix,
-      cmd = ' && '.join([
-          "echo '/** @license' >$@",
-          'unzip -p $(location %s) %s/LICENSE >>$@' % (archive, top),
-          "echo '*/' >>$@",
-        ] +
-        ['unzip -p $(location %s) %s/%s >>$@' % (archive, top, n)
-         for n in CM_CSS]
-      ),
-      tools = [archive],
-      outs = ['cm%s.css' % suffix],
-    )
+        # Main CSS
+        genrule2(
+            name = "css" + suffix,
+            cmd = " && ".join(
+                [
+                    "echo '/** @license' >$@",
+                    "unzip -p $(location %s) %s/LICENSE >>$@" % (archive, top),
+                    "echo '*/' >>$@",
+                ] +
+                [
+                    "unzip -p $(location %s) %s/%s >>$@" % (archive, top, n)
+                    for n in CM_CSS
+                ],
+            ),
+            tools = [archive],
+            outs = ["cm%s.css" % suffix],
+        )
 
-    # Modes
-    for n in CM_MODES:
-      genrule2(
-        name = 'mode_%s%s' % (n, suffix),
-        cmd = ' && '.join([
-            "echo '/** @license' >$@",
-            'unzip -p $(location %s) %s/LICENSE >>$@' % (archive, top),
-            "echo '*/' >>$@",
-            'unzip -p $(location %s) %s/mode/%s/%s.js >>$@' % (archive, top, n, n),
-          ]
-        ),
-        tools = [archive],
-        outs = ['mode_%s%s.js' % (n, suffix)],
-      )
+        # Modes
+        for n in CM_MODES:
+            genrule2(
+                name = "mode_%s%s" % (n, suffix),
+                cmd = " && ".join(
+                    [
+                        "echo '/** @license' >$@",
+                        "unzip -p $(location %s) %s/LICENSE >>$@" % (archive, top),
+                        "echo '*/' >>$@",
+                        "unzip -p $(location %s) %s/mode/%s/%s.js >>$@" % (archive, top, n, n),
+                    ],
+                ),
+                tools = [archive],
+                outs = ["mode_%s%s.js" % (n, suffix)],
+            )
 
-    # Themes
-    for n in CM_THEMES:
-      genrule2(
-        name = 'theme_%s%s' % (n, suffix),
-        cmd = ' && '.join([
-            "echo '/** @license' >$@",
-            'unzip -p $(location %s) %s/LICENSE >>$@' % (archive, top),
-            "echo '*/' >>$@",
-            'unzip -p $(location %s) %s/theme/%s.css >>$@' % (archive, top, n)
-          ]
-        ),
-        tools = [archive],
-        outs = ['theme_%s%s.css' % (n, suffix)],
-      )
+        # Themes
+        for n in CM_THEMES:
+            genrule2(
+                name = "theme_%s%s" % (n, suffix),
+                cmd = " && ".join(
+                    [
+                        "echo '/** @license' >$@",
+                        "unzip -p $(location %s) %s/LICENSE >>$@" % (archive, top),
+                        "echo '*/' >>$@",
+                        "unzip -p $(location %s) %s/theme/%s.css >>$@" % (archive, top, n),
+                    ],
+                ),
+                tools = [archive],
+                outs = ["theme_%s%s.css" % (n, suffix)],
+            )
 
-    # Merge Addon bundled with diff-match-patch
-    genrule2(
-      name = 'addon_merge_with_diff_match_patch%s' % suffix,
-      cmd = ' && '.join([
-          "echo '/** @license' >$@",
-          'unzip -p $(location %s) %s/LICENSE >>$@' % (archive, top),
-          "echo '*/\n' >>$@",
-          "echo '// The google-diff-match-patch library is from https://repo1.maven.org/maven2/org/webjars/google-diff-match-patch/%s/google-diff-match-patch-%s.jar\n' >> $@" % (DIFF_MATCH_PATCH_VERSION, DIFF_MATCH_PATCH_VERSION),
-          "echo '/** @license' >>$@",
-          "echo 'LICENSE-Apache2.0' >>$@",
-          "echo '*/' >>$@",
-          'unzip -p $(location @diff-match-patch//jar) %s/diff_match_patch.js >>$@' % DIFF_MATCH_PATCH_TOP,
-          "echo ';' >> $@",
-          'unzip -p $(location %s) %s/addon/merge/merge.js >>$@' % (archive, top)
-        ]
-      ),
-      tools = [
-        '@diff-match-patch//jar',
-        # dependency just for license tracking.
-        ':diff-match-patch',
-        archive,
-        "//lib:LICENSE-Apache2.0",
-      ],
-      outs = ['addon_merge_with_diff_match_patch%s.js' % suffix],
-    )
+        # Merge Addon bundled with diff-match-patch
+        genrule2(
+            name = "addon_merge_with_diff_match_patch%s" % suffix,
+            cmd = " && ".join(
+                [
+                    "echo '/** @license' >$@",
+                    "unzip -p $(location %s) %s/LICENSE >>$@" % (archive, top),
+                    "echo '*/\n' >>$@",
+                    "echo '// The google-diff-match-patch library is from https://repo1.maven.org/maven2/org/webjars/google-diff-match-patch/%s/google-diff-match-patch-%s.jar\n' >> $@" % (DIFF_MATCH_PATCH_VERSION, DIFF_MATCH_PATCH_VERSION),
+                    "echo '/** @license' >>$@",
+                    "echo 'LICENSE-Apache2.0' >>$@",
+                    "echo '*/' >>$@",
+                    "unzip -p $(location @diff-match-patch//jar) %s/diff_match_patch.js >>$@" % DIFF_MATCH_PATCH_TOP,
+                    "echo ';' >> $@",
+                    "unzip -p $(location %s) %s/addon/merge/merge.js >>$@" % (archive, top),
+                ],
+            ),
+            tools = [
+                "@diff-match-patch//jar",
+                # dependency just for license tracking.
+                ":diff-match-patch",
+                archive,
+                "//lib:LICENSE-Apache2.0",
+            ],
+            outs = ["addon_merge_with_diff_match_patch%s.js" % suffix],
+        )
 
-    # Jar packaging
-    genrule2(
-      name = 'jar' + suffix,
-      cmd = ' && '.join([
-        'cd $$TMP',
-        'mkdir -p net/codemirror/{addon,lib,mode,theme}',
-        'cp $$ROOT/$(location :css%s) net/codemirror/lib/cm.css' % suffix,
-        'cp $$ROOT/$(location :cm%s) net/codemirror/lib/cm.js' % suffix]
-        + ['cp $$ROOT/$(location :mode_%s%s) net/codemirror/mode/%s.js' % (n, suffix, n)
-           for n in CM_MODES]
-        + ['cp $$ROOT/$(location :theme_%s%s) net/codemirror/theme/%s.css' % (n, suffix, n)
-           for n in CM_THEMES]
-        + ['cp $$ROOT/$(location :addon_merge_with_diff_match_patch%s) net/codemirror/addon/merge_bundled.js' % suffix]
-        + ['zip -qr $$ROOT/$@ net/codemirror/{addon,lib,mode,theme}']),
-      tools = [
-        ':addon_merge_with_diff_match_patch%s' % suffix,
-        ':cm%s' % suffix,
-        ':css%s' % suffix,
-      ] + [
-        ':mode_%s%s' % (n, suffix) for n in CM_MODES
-      ] + [
-        ':theme_%s%s' % (n, suffix) for n in CM_THEMES
-      ],
-      outs = ['codemirror%s.jar' % suffix],
-    )
+        # Jar packaging
+        genrule2(
+            name = "jar" + suffix,
+            cmd = " && ".join([
+                                  "cd $$TMP",
+                                  "mkdir -p net/codemirror/{addon,lib,mode,theme}",
+                                  "cp $$ROOT/$(location :css%s) net/codemirror/lib/cm.css" % suffix,
+                                  "cp $$ROOT/$(location :cm%s) net/codemirror/lib/cm.js" % suffix,
+                              ] +
+                              [
+                                  "cp $$ROOT/$(location :mode_%s%s) net/codemirror/mode/%s.js" % (n, suffix, n)
+                                  for n in CM_MODES
+                              ] +
+                              [
+                                  "cp $$ROOT/$(location :theme_%s%s) net/codemirror/theme/%s.css" % (n, suffix, n)
+                                  for n in CM_THEMES
+                              ] +
+                              ["cp $$ROOT/$(location :addon_merge_with_diff_match_patch%s) net/codemirror/addon/merge_bundled.js" % suffix] +
+                              ["zip -qr $$ROOT/$@ net/codemirror/{addon,lib,mode,theme}"]),
+            tools = [
+                ":addon_merge_with_diff_match_patch%s" % suffix,
+                ":cm%s" % suffix,
+                ":css%s" % suffix,
+            ] + [
+                ":mode_%s%s" % (n, suffix)
+                for n in CM_MODES
+            ] + [
+                ":theme_%s%s" % (n, suffix)
+                for n in CM_THEMES
+            ],
+            outs = ["codemirror%s.jar" % suffix],
+        )
 
-    native.java_import(
-      name = 'codemirror' + suffix,
-      jars = [':jar%s' % suffix],
-      visibility = ['//visibility:public'],
-      data = [license],
-    )
+        native.java_import(
+            name = "codemirror" + suffix,
+            jars = [":jar%s" % suffix],
+            visibility = ["//visibility:public"],
+            data = [license],
+        )
diff --git a/lib/jgit/jgit.bzl b/lib/jgit/jgit.bzl
index adf2d4f8..be90acb 100644
--- a/lib/jgit/jgit.bzl
+++ b/lib/jgit/jgit.bzl
@@ -1,4 +1,4 @@
-load("//tools/bzl:maven_jar.bzl", "GERRIT", "MAVEN_LOCAL", "MAVEN_CENTRAL", "maven_jar")
+load("//tools/bzl:maven_jar.bzl", "GERRIT", "MAVEN_CENTRAL", "MAVEN_LOCAL", "maven_jar")
 
 _JGIT_VERS = "5.0.1.201806211838-r"
 
@@ -13,13 +13,13 @@
 LOCAL_JGIT_REPO = ""
 
 def jgit_repos():
-  if LOCAL_JGIT_REPO:
-    native.local_repository(
-        name = "jgit",
-        path = LOCAL_JGIT_REPO,
-    )
-  else:
-    jgit_maven_repos()
+    if LOCAL_JGIT_REPO:
+        native.local_repository(
+            name = "jgit",
+            path = LOCAL_JGIT_REPO,
+        )
+    else:
+        jgit_maven_repos()
 
 def jgit_maven_repos():
     maven_jar(
@@ -52,15 +52,15 @@
     )
 
 def jgit_dep(name):
-  mapping = {
-      "@jgit-junit//jar": "@jgit//org.eclipse.jgit.junit:junit",
-      "@jgit-lib//jar:src": "@jgit//org.eclipse.jgit:libjgit-src.jar",
-      "@jgit-lib//jar": "@jgit//org.eclipse.jgit:jgit",
-      "@jgit-servlet//jar":"@jgit//org.eclipse.jgit.http.server:jgit-servlet",
-      "@jgit-archive//jar": "@jgit//org.eclipse.jgit.archive:jgit-archive",
-  }
+    mapping = {
+        "@jgit-junit//jar": "@jgit//org.eclipse.jgit.junit:junit",
+        "@jgit-lib//jar:src": "@jgit//org.eclipse.jgit:libjgit-src.jar",
+        "@jgit-lib//jar": "@jgit//org.eclipse.jgit:jgit",
+        "@jgit-servlet//jar": "@jgit//org.eclipse.jgit.http.server:jgit-servlet",
+        "@jgit-archive//jar": "@jgit//org.eclipse.jgit.archive:jgit-archive",
+    }
 
-  if LOCAL_JGIT_REPO:
-    return mapping[name]
-  else:
-    return name
+    if LOCAL_JGIT_REPO:
+        return mapping[name]
+    else:
+        return name
diff --git a/lib/js/bower_archives.bzl b/lib/js/bower_archives.bzl
index 6b4e003..75c8277 100644
--- a/lib/js/bower_archives.bzl
+++ b/lib/js/bower_archives.bzl
@@ -7,138 +7,165 @@
 load("//tools/bzl:js.bzl", "bower_archive")
 
 def load_bower_archives():
-  bower_archive(
-    name = "accessibility-developer-tools",
-    package = "accessibility-developer-tools",
-    version = "2.12.0",
-    sha1 = "88ae82dcdeb6c658f76eff509d0ee425cae14d49")
-  bower_archive(
-    name = "async",
-    package = "async",
-    version = "1.5.2",
-    sha1 = "1ec975d3b3834646a7e3d4b7e68118b90ed72508")
-  bower_archive(
-    name = "chai",
-    package = "chai",
-    version = "3.5.0",
-    sha1 = "849ad3ee7c77506548b7b5db603a4e150b9431aa")
-  bower_archive(
-    name = "font-roboto",
-    package = "PolymerElements/font-roboto",
-    version = "1.1.0",
-    sha1 = "ab4218d87b9ce569d6282b01f7642e551879c3d5")
-  bower_archive(
-    name = "iron-a11y-announcer",
-    package = "PolymerElements/iron-a11y-announcer",
-    version = "1.0.6",
-    sha1 = "14aed1e1b300ea344e80362e875919ea3d104dcc")
-  bower_archive(
-    name = "iron-a11y-keys-behavior",
-    package = "PolymerElements/iron-a11y-keys-behavior",
-    version = "1.1.9",
-    sha1 = "f58358ee652c67e6e721364ba50fb77a2ece1465")
-  bower_archive(
-    name = "iron-behaviors",
-    package = "PolymerElements/iron-behaviors",
-    version = "1.0.18",
-    sha1 = "e231a1a02b090f5183db917639fdb96cdd0dca18")
-  bower_archive(
-    name = "iron-checked-element-behavior",
-    package = "PolymerElements/iron-checked-element-behavior",
-    version = "1.0.6",
-    sha1 = "93ad3554cec119d8c5732d1c722ad113e1866370")
-  bower_archive(
-    name = "iron-fit-behavior",
-    package = "PolymerElements/iron-fit-behavior",
-    version = "1.2.7",
-    sha1 = "01c485fbf898307029bbb72ac7e132db1570a842")
-  bower_archive(
-    name = "iron-flex-layout",
-    package = "PolymerElements/iron-flex-layout",
-    version = "1.3.9",
-    sha1 = "d987b924cf29fcfe4b393833e81fdc9f1e268796")
-  bower_archive(
-    name = "iron-form-element-behavior",
-    package = "PolymerElements/iron-form-element-behavior",
-    version = "1.0.7",
-    sha1 = "7b5a79e02cc32f0918725dd26925d0df1e03ed12")
-  bower_archive(
-    name = "iron-menu-behavior",
-    package = "PolymerElements/iron-menu-behavior",
-    version = "2.1.1",
-    sha1 = "1504997f6eb9aec490b855dadee473cac064f38c")
-  bower_archive(
-    name = "iron-meta",
-    package = "PolymerElements/iron-meta",
-    version = "1.1.3",
-    sha1 = "f77eba3f6f6817f10bda33918bde8f963d450041")
-  bower_archive(
-    name = "iron-resizable-behavior",
-    package = "polymerelements/iron-resizable-behavior",
-    version = "1.0.6",
-    sha1 = "719c2a8a1a784f8aefcdeef41fcc2e5a03518d9e")
-  bower_archive(
-    name = "iron-validatable-behavior",
-    package = "PolymerElements/iron-validatable-behavior",
-    version = "1.1.2",
-    sha1 = "7111f34ff32e1510131dfbdb1eaa51bfa291e8be")
-  bower_archive(
-    name = "lodash",
-    package = "lodash",
-    version = "3.10.1",
-    sha1 = "2f207a8293c4c554bf6cf071241f7a00dc513d3a")
-  bower_archive(
-    name = "mocha",
-    package = "mocha",
-    version = "3.5.3",
-    sha1 = "c14f149821e4e96241b20f85134aa757b73038f1")
-  bower_archive(
-    name = "neon-animation",
-    package = "polymerelements/neon-animation",
-    version = "1.2.5",
-    sha1 = "588d289f779d02b21ce5b676e257bbd6155649e8")
-  bower_archive(
-    name = "paper-behaviors",
-    package = "PolymerElements/paper-behaviors",
-    version = "1.0.13",
-    sha1 = "a81eab28a952e124c208430e17508d9a1aae4ee7")
-  bower_archive(
-    name = "paper-icon-button",
-    package = "PolymerElements/paper-icon-button",
-    version = "2.2.0",
-    sha1 = "9525e76ef433428bb9d6ec4fa65c4ef83156a803")
-  bower_archive(
-    name = "paper-ripple",
-    package = "PolymerElements/paper-ripple",
-    version = "1.0.10",
-    sha1 = "21199db50d02b842da54bd6f4f1d1b10b474e893")
-  bower_archive(
-    name = "paper-styles",
-    package = "PolymerElements/paper-styles",
-    version = "1.3.1",
-    sha1 = "4ee9c692366949a754e0e39f8031aa60ce66f24d")
-  bower_archive(
-    name = "sinon-chai",
-    package = "sinon-chai",
-    version = "2.14.0",
-    sha1 = "78f0dc184efe47012a2b1b9a16a4289acf8300dc")
-  bower_archive(
-    name = "sinonjs",
-    package = "sinonjs",
-    version = "1.17.1",
-    sha1 = "a26a6aab7358807de52ba738770f6ac709afd240")
-  bower_archive(
-    name = "stacky",
-    package = "stacky",
-    version = "1.3.2",
-    sha1 = "d6c07a0112ab2e9677fe085933744466a89232fb")
-  bower_archive(
-    name = "web-animations-js",
-    package = "web-animations/web-animations-js",
-    version = "2.3.1",
-    sha1 = "2ba5548d36188fe54555eaad0a576de4b027661e")
-  bower_archive(
-    name = "webcomponentsjs",
-    package = "webcomponents/webcomponentsjs",
-    version = "0.7.24",
-    sha1 = "559227f8ee9db9bfbd81989f24510cc0c1bfc65c")
+    bower_archive(
+        name = "accessibility-developer-tools",
+        package = "accessibility-developer-tools",
+        version = "2.12.0",
+        sha1 = "88ae82dcdeb6c658f76eff509d0ee425cae14d49",
+    )
+    bower_archive(
+        name = "async",
+        package = "async",
+        version = "1.5.2",
+        sha1 = "1ec975d3b3834646a7e3d4b7e68118b90ed72508",
+    )
+    bower_archive(
+        name = "chai",
+        package = "chai",
+        version = "3.5.0",
+        sha1 = "849ad3ee7c77506548b7b5db603a4e150b9431aa",
+    )
+    bower_archive(
+        name = "font-roboto",
+        package = "PolymerElements/font-roboto",
+        version = "1.1.0",
+        sha1 = "ab4218d87b9ce569d6282b01f7642e551879c3d5",
+    )
+    bower_archive(
+        name = "iron-a11y-announcer",
+        package = "PolymerElements/iron-a11y-announcer",
+        version = "1.0.6",
+        sha1 = "14aed1e1b300ea344e80362e875919ea3d104dcc",
+    )
+    bower_archive(
+        name = "iron-a11y-keys-behavior",
+        package = "PolymerElements/iron-a11y-keys-behavior",
+        version = "1.1.9",
+        sha1 = "f58358ee652c67e6e721364ba50fb77a2ece1465",
+    )
+    bower_archive(
+        name = "iron-behaviors",
+        package = "PolymerElements/iron-behaviors",
+        version = "1.0.18",
+        sha1 = "e231a1a02b090f5183db917639fdb96cdd0dca18",
+    )
+    bower_archive(
+        name = "iron-checked-element-behavior",
+        package = "PolymerElements/iron-checked-element-behavior",
+        version = "1.0.6",
+        sha1 = "93ad3554cec119d8c5732d1c722ad113e1866370",
+    )
+    bower_archive(
+        name = "iron-fit-behavior",
+        package = "PolymerElements/iron-fit-behavior",
+        version = "1.2.7",
+        sha1 = "01c485fbf898307029bbb72ac7e132db1570a842",
+    )
+    bower_archive(
+        name = "iron-flex-layout",
+        package = "PolymerElements/iron-flex-layout",
+        version = "1.3.9",
+        sha1 = "d987b924cf29fcfe4b393833e81fdc9f1e268796",
+    )
+    bower_archive(
+        name = "iron-form-element-behavior",
+        package = "PolymerElements/iron-form-element-behavior",
+        version = "1.0.7",
+        sha1 = "7b5a79e02cc32f0918725dd26925d0df1e03ed12",
+    )
+    bower_archive(
+        name = "iron-menu-behavior",
+        package = "PolymerElements/iron-menu-behavior",
+        version = "2.1.1",
+        sha1 = "1504997f6eb9aec490b855dadee473cac064f38c",
+    )
+    bower_archive(
+        name = "iron-meta",
+        package = "PolymerElements/iron-meta",
+        version = "1.1.3",
+        sha1 = "f77eba3f6f6817f10bda33918bde8f963d450041",
+    )
+    bower_archive(
+        name = "iron-resizable-behavior",
+        package = "polymerelements/iron-resizable-behavior",
+        version = "1.0.6",
+        sha1 = "719c2a8a1a784f8aefcdeef41fcc2e5a03518d9e",
+    )
+    bower_archive(
+        name = "iron-validatable-behavior",
+        package = "PolymerElements/iron-validatable-behavior",
+        version = "1.1.2",
+        sha1 = "7111f34ff32e1510131dfbdb1eaa51bfa291e8be",
+    )
+    bower_archive(
+        name = "lodash",
+        package = "lodash",
+        version = "3.10.1",
+        sha1 = "2f207a8293c4c554bf6cf071241f7a00dc513d3a",
+    )
+    bower_archive(
+        name = "mocha",
+        package = "mocha",
+        version = "3.5.3",
+        sha1 = "c14f149821e4e96241b20f85134aa757b73038f1",
+    )
+    bower_archive(
+        name = "neon-animation",
+        package = "polymerelements/neon-animation",
+        version = "1.2.5",
+        sha1 = "588d289f779d02b21ce5b676e257bbd6155649e8",
+    )
+    bower_archive(
+        name = "paper-behaviors",
+        package = "PolymerElements/paper-behaviors",
+        version = "1.0.13",
+        sha1 = "a81eab28a952e124c208430e17508d9a1aae4ee7",
+    )
+    bower_archive(
+        name = "paper-icon-button",
+        package = "PolymerElements/paper-icon-button",
+        version = "2.2.0",
+        sha1 = "9525e76ef433428bb9d6ec4fa65c4ef83156a803",
+    )
+    bower_archive(
+        name = "paper-ripple",
+        package = "PolymerElements/paper-ripple",
+        version = "1.0.10",
+        sha1 = "21199db50d02b842da54bd6f4f1d1b10b474e893",
+    )
+    bower_archive(
+        name = "paper-styles",
+        package = "PolymerElements/paper-styles",
+        version = "1.3.1",
+        sha1 = "4ee9c692366949a754e0e39f8031aa60ce66f24d",
+    )
+    bower_archive(
+        name = "sinon-chai",
+        package = "sinon-chai",
+        version = "2.14.0",
+        sha1 = "78f0dc184efe47012a2b1b9a16a4289acf8300dc",
+    )
+    bower_archive(
+        name = "sinonjs",
+        package = "sinonjs",
+        version = "1.17.1",
+        sha1 = "a26a6aab7358807de52ba738770f6ac709afd240",
+    )
+    bower_archive(
+        name = "stacky",
+        package = "stacky",
+        version = "1.3.2",
+        sha1 = "d6c07a0112ab2e9677fe085933744466a89232fb",
+    )
+    bower_archive(
+        name = "web-animations-js",
+        package = "web-animations/web-animations-js",
+        version = "2.3.1",
+        sha1 = "2ba5548d36188fe54555eaad0a576de4b027661e",
+    )
+    bower_archive(
+        name = "webcomponentsjs",
+        package = "webcomponents/webcomponentsjs",
+        version = "0.7.24",
+        sha1 = "559227f8ee9db9bfbd81989f24510cc0c1bfc65c",
+    )
diff --git a/lib/js/bower_components.bzl b/lib/js/bower_components.bzl
index dc16ccf..a540828 100644
--- a/lib/js/bower_components.bzl
+++ b/lib/js/bower_components.bzl
@@ -7,377 +7,377 @@
 load("//tools/bzl:js.bzl", "bower_component")
 
 def define_bower_components():
-  bower_component(
-    name = "accessibility-developer-tools",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "async",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "chai",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "es6-promise",
-    license = "//lib:LICENSE-es6-promise",
-    seed = True,
-  )
-  bower_component(
-    name = "fetch",
-    license = "//lib:LICENSE-fetch",
-    seed = True,
-  )
-  bower_component(
-    name = "font-roboto",
-    license = "//lib:LICENSE-polymer",
-  )
-  bower_component(
-    name = "iron-a11y-announcer",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-a11y-keys-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-autogrow-textarea",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-flex-layout",
-      ":iron-validatable-behavior",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-behaviors",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-keys-behavior",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "iron-checked-element-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-form-element-behavior",
-      ":iron-validatable-behavior",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "iron-dropdown",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-overlay-behavior",
-      ":iron-resizable-behavior",
-      ":neon-animation",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-fit-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-flex-layout",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-form-element-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-icon",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-flex-layout",
-      ":iron-meta",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-iconset-svg",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-meta",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-input",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-announcer",
-      ":iron-validatable-behavior",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-menu-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-keys-behavior",
-      ":iron-flex-layout",
-      ":iron-selector",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "iron-meta",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-overlay-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-keys-behavior",
-      ":iron-fit-behavior",
-      ":iron-resizable-behavior",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-resizable-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-  )
-  bower_component(
-    name = "iron-selector",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":polymer" ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-test-helpers",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-    deps = [ ":polymer" ],
-    seed = True,
-  )
-  bower_component(
-    name = "iron-validatable-behavior",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-meta",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "lodash",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "mocha",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "moment",
-    license = "//lib:LICENSE-moment",
-    seed = True,
-  )
-  bower_component(
-    name = "neon-animation",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-meta",
-      ":iron-resizable-behavior",
-      ":iron-selector",
-      ":polymer",
-      ":web-animations-js",
-    ],
-  )
-  bower_component(
-    name = "page",
-    license = "//lib:LICENSE-page.js",
-    seed = True,
-  )
-  bower_component(
-    name = "paper-behaviors",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-checked-element-behavior",
-      ":paper-ripple",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "paper-button",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-flex-layout",
-      ":paper-behaviors",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "paper-icon-button",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-icon",
-      ":paper-behaviors",
-      ":paper-styles",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "paper-input",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-keys-behavior",
-      ":iron-autogrow-textarea",
-      ":iron-behaviors",
-      ":iron-form-element-behavior",
-      ":iron-input",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "paper-item",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-flex-layout",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "paper-listbox",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-menu-behavior",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "paper-ripple",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-a11y-keys-behavior",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "paper-styles",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":font-roboto",
-      ":iron-flex-layout",
-      ":polymer",
-    ],
-  )
-  bower_component(
-    name = "paper-tabs",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-behaviors",
-      ":iron-flex-layout",
-      ":iron-icon",
-      ":iron-iconset-svg",
-      ":iron-menu-behavior",
-      ":iron-resizable-behavior",
-      ":paper-behaviors",
-      ":paper-icon-button",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "paper-toggle-button",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":iron-checked-element-behavior",
-      ":paper-behaviors",
-      ":paper-styles",
-      ":polymer",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "polymer-resin",
-    license = "//lib:LICENSE-polymer",
-    deps = [
-      ":polymer",
-      ":webcomponentsjs",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "polymer",
-    license = "//lib:LICENSE-polymer",
-    deps = [ ":webcomponentsjs" ],
-    seed = True,
-  )
-  bower_component(
-    name = "promise-polyfill",
-    license = "//lib:LICENSE-promise-polyfill",
-    deps = [ ":polymer" ],
-    seed = True,
-  )
-  bower_component(
-    name = "sinon-chai",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "sinonjs",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "stacky",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-  )
-  bower_component(
-    name = "test-fixture",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-    seed = True,
-  )
-  bower_component(
-    name = "web-animations-js",
-    license = "//lib:LICENSE-Apache2.0",
-  )
-  bower_component(
-    name = "web-component-tester",
-    license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
-    deps = [
-      ":accessibility-developer-tools",
-      ":async",
-      ":chai",
-      ":lodash",
-      ":mocha",
-      ":sinon-chai",
-      ":sinonjs",
-      ":stacky",
-      ":test-fixture",
-    ],
-    seed = True,
-  )
-  bower_component(
-    name = "webcomponentsjs",
-    license = "//lib:LICENSE-polymer",
-  )
+    bower_component(
+        name = "accessibility-developer-tools",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "async",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "chai",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "es6-promise",
+        license = "//lib:LICENSE-es6-promise",
+        seed = True,
+    )
+    bower_component(
+        name = "fetch",
+        license = "//lib:LICENSE-fetch",
+        seed = True,
+    )
+    bower_component(
+        name = "font-roboto",
+        license = "//lib:LICENSE-polymer",
+    )
+    bower_component(
+        name = "iron-a11y-announcer",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-a11y-keys-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-autogrow-textarea",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-flex-layout",
+            ":iron-validatable-behavior",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-behaviors",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-keys-behavior",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "iron-checked-element-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-form-element-behavior",
+            ":iron-validatable-behavior",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "iron-dropdown",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-overlay-behavior",
+            ":iron-resizable-behavior",
+            ":neon-animation",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-fit-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-flex-layout",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-form-element-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-icon",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-flex-layout",
+            ":iron-meta",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-iconset-svg",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-meta",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-input",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-announcer",
+            ":iron-validatable-behavior",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-menu-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-keys-behavior",
+            ":iron-flex-layout",
+            ":iron-selector",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "iron-meta",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-overlay-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-keys-behavior",
+            ":iron-fit-behavior",
+            ":iron-resizable-behavior",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-resizable-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+    )
+    bower_component(
+        name = "iron-selector",
+        license = "//lib:LICENSE-polymer",
+        deps = [":polymer"],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-test-helpers",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+        deps = [":polymer"],
+        seed = True,
+    )
+    bower_component(
+        name = "iron-validatable-behavior",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-meta",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "lodash",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "mocha",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "moment",
+        license = "//lib:LICENSE-moment",
+        seed = True,
+    )
+    bower_component(
+        name = "neon-animation",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-meta",
+            ":iron-resizable-behavior",
+            ":iron-selector",
+            ":polymer",
+            ":web-animations-js",
+        ],
+    )
+    bower_component(
+        name = "page",
+        license = "//lib:LICENSE-page.js",
+        seed = True,
+    )
+    bower_component(
+        name = "paper-behaviors",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-checked-element-behavior",
+            ":paper-ripple",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "paper-button",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-flex-layout",
+            ":paper-behaviors",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "paper-icon-button",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-icon",
+            ":paper-behaviors",
+            ":paper-styles",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "paper-input",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-keys-behavior",
+            ":iron-autogrow-textarea",
+            ":iron-behaviors",
+            ":iron-form-element-behavior",
+            ":iron-input",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "paper-item",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-flex-layout",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "paper-listbox",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-menu-behavior",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "paper-ripple",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-a11y-keys-behavior",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "paper-styles",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":font-roboto",
+            ":iron-flex-layout",
+            ":polymer",
+        ],
+    )
+    bower_component(
+        name = "paper-tabs",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-behaviors",
+            ":iron-flex-layout",
+            ":iron-icon",
+            ":iron-iconset-svg",
+            ":iron-menu-behavior",
+            ":iron-resizable-behavior",
+            ":paper-behaviors",
+            ":paper-icon-button",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "paper-toggle-button",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":iron-checked-element-behavior",
+            ":paper-behaviors",
+            ":paper-styles",
+            ":polymer",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "polymer-resin",
+        license = "//lib:LICENSE-polymer",
+        deps = [
+            ":polymer",
+            ":webcomponentsjs",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "polymer",
+        license = "//lib:LICENSE-polymer",
+        deps = [":webcomponentsjs"],
+        seed = True,
+    )
+    bower_component(
+        name = "promise-polyfill",
+        license = "//lib:LICENSE-promise-polyfill",
+        deps = [":polymer"],
+        seed = True,
+    )
+    bower_component(
+        name = "sinon-chai",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "sinonjs",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "stacky",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+    )
+    bower_component(
+        name = "test-fixture",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+        seed = True,
+    )
+    bower_component(
+        name = "web-animations-js",
+        license = "//lib:LICENSE-Apache2.0",
+    )
+    bower_component(
+        name = "web-component-tester",
+        license = "//lib:LICENSE-DO_NOT_DISTRIBUTE",
+        deps = [
+            ":accessibility-developer-tools",
+            ":async",
+            ":chai",
+            ":lodash",
+            ":mocha",
+            ":sinon-chai",
+            ":sinonjs",
+            ":stacky",
+            ":test-fixture",
+        ],
+        seed = True,
+    )
+    bower_component(
+        name = "webcomponentsjs",
+        license = "//lib:LICENSE-polymer",
+    )
diff --git a/lib/prolog/prolog.bzl b/lib/prolog/prolog.bzl
index d905ad8..4d4dd3a 100644
--- a/lib/prolog/prolog.bzl
+++ b/lib/prolog/prolog.bzl
@@ -13,22 +13,22 @@
 # limitations under the License.
 
 def prolog_cafe_library(
-    name,
-    srcs,
-    deps = [],
-    **kwargs):
-  native.genrule(
-    name = name + '__pl2j',
-    cmd = '$(location //lib/prolog:compiler-bin) ' +
-      '$$(dirname $@) $@ ' +
-      '$(SRCS)',
-    srcs = srcs,
-    tools = ['//lib/prolog:compiler-bin'],
-    outs = [ name + '.srcjar' ],
-  )
-  native.java_library(
-    name = name,
-    srcs = [':' + name + '__pl2j'],
-    deps = ['//lib/prolog:runtime-neverlink'] + deps,
-    **kwargs
-  )
+        name,
+        srcs,
+        deps = [],
+        **kwargs):
+    native.genrule(
+        name = name + "__pl2j",
+        cmd = "$(location //lib/prolog:compiler-bin) " +
+              "$$(dirname $@) $@ " +
+              "$(SRCS)",
+        srcs = srcs,
+        tools = ["//lib/prolog:compiler-bin"],
+        outs = [name + ".srcjar"],
+    )
+    native.java_library(
+        name = name,
+        srcs = [":" + name + "__pl2j"],
+        deps = ["//lib/prolog:runtime-neverlink"] + deps,
+        **kwargs
+    )
diff --git a/plugins/external_plugin_deps.bzl b/plugins/external_plugin_deps.bzl
index 391f920..1f7c020 100644
--- a/plugins/external_plugin_deps.bzl
+++ b/plugins/external_plugin_deps.bzl
@@ -1,2 +1,2 @@
 def external_plugin_deps():
-    pass
\ No newline at end of file
+    pass
diff --git a/polygerrit-ui/app/rules.bzl b/polygerrit-ui/app/rules.bzl
index 199a947..293ef8b 100644
--- a/polygerrit-ui/app/rules.bzl
+++ b/polygerrit-ui/app/rules.bzl
@@ -1,107 +1,107 @@
 load("//tools/bzl:genrule2.bzl", "genrule2")
-load("@io_bazel_rules_closure//closure:defs.bzl", "closure_js_library", "closure_js_binary")
+load("@io_bazel_rules_closure//closure:defs.bzl", "closure_js_binary", "closure_js_library")
 load(
     "//tools/bzl:js.bzl",
-    "vulcanize",
     "bower_component",
     "js_component",
+    "vulcanize",
 )
 
 def polygerrit_bundle(name, srcs, outs, app):
-  appName = app.split(".html")[0].split("/").pop() # eg: gr-app
+    appName = app.split(".html")[0].split("/").pop()  # eg: gr-app
 
-  closure_js_binary(
-    name = name + "_closure_bin",
-    # Known issue: Closure compilation not compatible with Polymer behaviors.
-    # See: https://github.com/google/closure-compiler/issues/2042
-    compilation_level = "WHITESPACE_ONLY",
-    defs = [
-      "--polymer_version=1",
-      "--jscomp_off=duplicate",
-      "--force_inject_library=es6_runtime",
-    ],
-    language = "ECMASCRIPT5",
-    deps = [name + "_closure_lib"],
-  )
+    closure_js_binary(
+        name = name + "_closure_bin",
+        # Known issue: Closure compilation not compatible with Polymer behaviors.
+        # See: https://github.com/google/closure-compiler/issues/2042
+        compilation_level = "WHITESPACE_ONLY",
+        defs = [
+            "--polymer_version=1",
+            "--jscomp_off=duplicate",
+            "--force_inject_library=es6_runtime",
+        ],
+        language = "ECMASCRIPT5",
+        deps = [name + "_closure_lib"],
+    )
 
-  closure_js_library(
-    name = name + "_closure_lib",
-    srcs = [appName + ".js"],
-    convention = "GOOGLE",
-    # TODO(davido): Clean up these issues: http://paste.openstack.org/show/608548
-    # and remove this supression
-    suppress = [
-       "JSC_JSDOC_MISSING_TYPE_WARNING",
-       "JSC_UNNECESSARY_ESCAPE",
-       "JSC_UNUSED_LOCAL_ASSIGNMENT",
-    ],
-    deps = [
-      "//lib/polymer_externs:polymer_closure",
-      "@io_bazel_rules_closure//closure/library",
-    ],
-  )
+    closure_js_library(
+        name = name + "_closure_lib",
+        srcs = [appName + ".js"],
+        convention = "GOOGLE",
+        # TODO(davido): Clean up these issues: http://paste.openstack.org/show/608548
+        # and remove this supression
+        suppress = [
+            "JSC_JSDOC_MISSING_TYPE_WARNING",
+            "JSC_UNNECESSARY_ESCAPE",
+            "JSC_UNUSED_LOCAL_ASSIGNMENT",
+        ],
+        deps = [
+            "//lib/polymer_externs:polymer_closure",
+            "@io_bazel_rules_closure//closure/library",
+        ],
+    )
 
-  vulcanize(
-    name = appName,
-    srcs = srcs,
-    app = app,
-    deps = ["//polygerrit-ui:polygerrit_components.bower_components"],
-  )
+    vulcanize(
+        name = appName,
+        srcs = srcs,
+        app = app,
+        deps = ["//polygerrit-ui:polygerrit_components.bower_components"],
+    )
 
-  native.filegroup(
-    name = name + "_app_sources",
-    srcs = [
-      name + "_closure_bin.js",
-      appName + ".html",
-    ],
-  )
+    native.filegroup(
+        name = name + "_app_sources",
+        srcs = [
+            name + "_closure_bin.js",
+            appName + ".html",
+        ],
+    )
 
-  native.filegroup(
-    name = name + "_css_sources",
-    srcs = native.glob(["styles/**/*.css"]),
-  )
+    native.filegroup(
+        name = name + "_css_sources",
+        srcs = native.glob(["styles/**/*.css"]),
+    )
 
-  native.filegroup(
-    name = name + "_theme_sources",
-    srcs = native.glob(
-      ["styles/themes/*.html"],
-      # app-theme.html already included via an import in gr-app.html.
-      exclude = ["styles/themes/app-theme.html"],
-    ),
-  )
+    native.filegroup(
+        name = name + "_theme_sources",
+        srcs = native.glob(
+            ["styles/themes/*.html"],
+            # app-theme.html already included via an import in gr-app.html.
+            exclude = ["styles/themes/app-theme.html"],
+        ),
+    )
 
-  native.filegroup(
-    name = name + "_top_sources",
-    srcs = [
-        "favicon.ico",
-    ],
-  )
+    native.filegroup(
+        name = name + "_top_sources",
+        srcs = [
+            "favicon.ico",
+        ],
+    )
 
-  genrule2(
-    name = name,
-    srcs = [
-      name + "_app_sources",
-      name + "_css_sources",
-      name + "_theme_sources",
-      name + "_top_sources",
-      "//lib/fonts:robotofonts",
-      "//lib/js:highlightjs_files",
-      # we extract from the zip, but depend on the component for license checking.
-      "@webcomponentsjs//:zipfile",
-      "//lib/js:webcomponentsjs"
-    ],
-    outs = outs,
-    cmd = " && ".join([
-      "mkdir -p $$TMP/polygerrit_ui/{styles/themes,fonts,bower_components/{highlightjs,webcomponentsjs},elements}",
-      "for f in $(locations " + name + "_app_sources); do ext=$${f##*.}; cp -p $$f $$TMP/polygerrit_ui/elements/"  + appName + ".$$ext; done",
-      "cp $(locations //lib/fonts:robotofonts) $$TMP/polygerrit_ui/fonts/",
-      "for f in $(locations " + name + "_top_sources); do cp $$f $$TMP/polygerrit_ui/; done",
-      "for f in $(locations "+ name + "_css_sources); do cp $$f $$TMP/polygerrit_ui/styles; done",
-      "for f in $(locations "+ name + "_theme_sources); do cp $$f $$TMP/polygerrit_ui/styles/themes; done",
-      "for f in $(locations //lib/js:highlightjs_files); do cp $$f $$TMP/polygerrit_ui/bower_components/highlightjs/ ; done",
-      "unzip -qd $$TMP/polygerrit_ui/bower_components $(location @webcomponentsjs//:zipfile) webcomponentsjs/webcomponents-lite.js",
-      "cd $$TMP",
-      "find . -exec touch -t 198001010000 '{}' ';'",
-      "zip -qr $$ROOT/$@ *",
-    ]),
-  )
+    genrule2(
+        name = name,
+        srcs = [
+            name + "_app_sources",
+            name + "_css_sources",
+            name + "_theme_sources",
+            name + "_top_sources",
+            "//lib/fonts:robotofonts",
+            "//lib/js:highlightjs_files",
+            # we extract from the zip, but depend on the component for license checking.
+            "@webcomponentsjs//:zipfile",
+            "//lib/js:webcomponentsjs",
+        ],
+        outs = outs,
+        cmd = " && ".join([
+            "mkdir -p $$TMP/polygerrit_ui/{styles/themes,fonts,bower_components/{highlightjs,webcomponentsjs},elements}",
+            "for f in $(locations " + name + "_app_sources); do ext=$${f##*.}; cp -p $$f $$TMP/polygerrit_ui/elements/" + appName + ".$$ext; done",
+            "cp $(locations //lib/fonts:robotofonts) $$TMP/polygerrit_ui/fonts/",
+            "for f in $(locations " + name + "_top_sources); do cp $$f $$TMP/polygerrit_ui/; done",
+            "for f in $(locations " + name + "_css_sources); do cp $$f $$TMP/polygerrit_ui/styles; done",
+            "for f in $(locations " + name + "_theme_sources); do cp $$f $$TMP/polygerrit_ui/styles/themes; done",
+            "for f in $(locations //lib/js:highlightjs_files); do cp $$f $$TMP/polygerrit_ui/bower_components/highlightjs/ ; done",
+            "unzip -qd $$TMP/polygerrit_ui/bower_components $(location @webcomponentsjs//:zipfile) webcomponentsjs/webcomponents-lite.js",
+            "cd $$TMP",
+            "find . -exec touch -t 198001010000 '{}' ';'",
+            "zip -qr $$ROOT/$@ *",
+        ]),
+    )
diff --git a/tools/bzl/asciidoc.bzl b/tools/bzl/asciidoc.bzl
index 263b465..97d68d6 100644
--- a/tools/bzl/asciidoc.bzl
+++ b/tools/bzl/asciidoc.bzl
@@ -1,40 +1,43 @@
 def documentation_attributes():
-  return [
-    "toc2",
-    'newline="\\n"',
-    'asterisk="&#42;"',
-    'plus="&#43;"',
-    'caret="&#94;"',
-    'startsb="&#91;"',
-    'endsb="&#93;"',
-    'tilde="&#126;"',
-    "last-update-label!",
-    "source-highlighter=prettify",
-    "stylesheet=DEFAULT",
-    "linkcss=true",
-    "prettifydir=.",
-    # Just a placeholder, will be filled in asciidoctor java binary:
-    "revnumber=%s",
-  ]
+    return [
+        "toc2",
+        'newline="\\n"',
+        'asterisk="&#42;"',
+        'plus="&#43;"',
+        'caret="&#94;"',
+        'startsb="&#91;"',
+        'endsb="&#93;"',
+        'tilde="&#126;"',
+        "last-update-label!",
+        "source-highlighter=prettify",
+        "stylesheet=DEFAULT",
+        "linkcss=true",
+        "prettifydir=.",
+        # Just a placeholder, will be filled in asciidoctor java binary:
+        "revnumber=%s",
+    ]
 
 def _replace_macros_impl(ctx):
-  cmd = [
-    ctx.file._exe.path,
-    '--suffix', ctx.attr.suffix,
-    "-s", ctx.file.src.path,
-    "-o", ctx.outputs.out.path,
-  ]
-  if ctx.attr.searchbox:
-    cmd.append('--searchbox')
-  else:
-    cmd.append('--no-searchbox')
-  ctx.actions.run_shell(
-    inputs = [ctx.file._exe, ctx.file.src],
-    outputs = [ctx.outputs.out],
-    command = cmd,
-    use_default_shell_env = True,
-    progress_message = "Replacing macros in %s" % ctx.file.src.short_path,
-  )
+    cmd = [
+        ctx.file._exe.path,
+        "--suffix",
+        ctx.attr.suffix,
+        "-s",
+        ctx.file.src.path,
+        "-o",
+        ctx.outputs.out.path,
+    ]
+    if ctx.attr.searchbox:
+        cmd.append("--searchbox")
+    else:
+        cmd.append("--no-searchbox")
+    ctx.actions.run_shell(
+        inputs = [ctx.file._exe, ctx.file.src],
+        outputs = [ctx.outputs.out],
+        command = cmd,
+        use_default_shell_env = True,
+        progress_message = "Replacing macros in %s" % ctx.file.src.short_path,
+    )
 
 _replace_macros = rule(
     attrs = {
@@ -54,52 +57,55 @@
 )
 
 def _generate_asciidoc_args(ctx):
-  args = []
-  if ctx.attr.backend:
-    args.extend(["-b", ctx.attr.backend])
-  revnumber = False
-  for attribute in ctx.attr.attributes:
-    if attribute.startswith("revnumber="):
-      revnumber = True
-    else:
-      args.extend(["-a", attribute])
-  if revnumber:
-    args.extend([
-      "--revnumber-file", ctx.file.version.path,
-    ])
-  for src in ctx.files.srcs:
-    args.append(src.path)
-  return args
+    args = []
+    if ctx.attr.backend:
+        args.extend(["-b", ctx.attr.backend])
+    revnumber = False
+    for attribute in ctx.attr.attributes:
+        if attribute.startswith("revnumber="):
+            revnumber = True
+        else:
+            args.extend(["-a", attribute])
+    if revnumber:
+        args.extend([
+            "--revnumber-file",
+            ctx.file.version.path,
+        ])
+    for src in ctx.files.srcs:
+        args.append(src.path)
+    return args
 
 def _invoke_replace_macros(name, src, suffix, searchbox):
-  fn = src
-  if fn.startswith(":"):
-    fn = src[1:]
+    fn = src
+    if fn.startswith(":"):
+        fn = src[1:]
 
-  _replace_macros(
-    name = "macros_%s_%s" % (name, fn),
-    src = src,
-    out = fn + suffix,
-    suffix = suffix,
-    searchbox = searchbox,
-  )
+    _replace_macros(
+        name = "macros_%s_%s" % (name, fn),
+        src = src,
+        out = fn + suffix,
+        suffix = suffix,
+        searchbox = searchbox,
+    )
 
-  return ":" + fn + suffix, fn.replace(".txt", ".html")
+    return ":" + fn + suffix, fn.replace(".txt", ".html")
 
 def _asciidoc_impl(ctx):
-  args = [
-    "--bazel",
-    "--in-ext", ".txt" + ctx.attr.suffix,
-    "--out-ext", ".html",
-  ]
-  args.extend(_generate_asciidoc_args(ctx))
-  ctx.actions.run(
-    inputs = ctx.files.srcs + [ctx.executable._exe, ctx.file.version],
-    outputs = ctx.outputs.outs,
-    executable = ctx.executable._exe,
-    arguments = args,
-    progress_message = "Rendering asciidoctor files for %s" % ctx.label.name,
-  )
+    args = [
+        "--bazel",
+        "--in-ext",
+        ".txt" + ctx.attr.suffix,
+        "--out-ext",
+        ".html",
+    ]
+    args.extend(_generate_asciidoc_args(ctx))
+    ctx.actions.run(
+        inputs = ctx.files.srcs + [ctx.executable._exe, ctx.file.version],
+        outputs = ctx.outputs.outs,
+        executable = ctx.executable._exe,
+        arguments = args,
+        progress_message = "Rendering asciidoctor files for %s" % ctx.label.name,
+    )
 
 _asciidoc_attrs = {
     "_exe": attr.label(
@@ -129,82 +135,85 @@
 )
 
 def _genasciidoc_htmlonly(
-    name,
-    srcs = [],
-    attributes = [],
-    backend = None,
-    searchbox = True,
-    **kwargs):
-  SUFFIX = "." + name + "_macros"
-  new_srcs = []
-  outs = ["asciidoctor.css"]
+        name,
+        srcs = [],
+        attributes = [],
+        backend = None,
+        searchbox = True,
+        **kwargs):
+    SUFFIX = "." + name + "_macros"
+    new_srcs = []
+    outs = ["asciidoctor.css"]
 
-  for src in srcs:
-    new_src, html_name = _invoke_replace_macros(name, src, SUFFIX, searchbox)
-    new_srcs.append(new_src)
-    outs.append(html_name)
+    for src in srcs:
+        new_src, html_name = _invoke_replace_macros(name, src, SUFFIX, searchbox)
+        new_srcs.append(new_src)
+        outs.append(html_name)
 
-  _asciidoc(
-    name = name + "_gen",
-    srcs = new_srcs,
-    suffix = SUFFIX,
-    backend = backend,
-    attributes = attributes,
-    outs = outs,
-  )
-
-  native.filegroup(
-    name = name,
-    data = outs,
-    **kwargs
-  )
-
-def genasciidoc(
-    name,
-    srcs = [],
-    attributes = [],
-    backend = None,
-    searchbox = True,
-    resources = True,
-    **kwargs):
-  SUFFIX = "_htmlonly"
-
-  _genasciidoc_htmlonly(
-    name = name + SUFFIX if resources else name,
-    srcs = srcs,
-    attributes = attributes,
-    backend = backend,
-    searchbox = searchbox,
-    **kwargs
-  )
-
-  if resources:
-    htmlonly = ":" + name + SUFFIX
-    native.filegroup(
-      name = name,
-      srcs = [
-        htmlonly,
-        "//Documentation:resources",
-      ],
-      **kwargs
+    _asciidoc(
+        name = name + "_gen",
+        srcs = new_srcs,
+        suffix = SUFFIX,
+        backend = backend,
+        attributes = attributes,
+        outs = outs,
     )
 
+    native.filegroup(
+        name = name,
+        data = outs,
+        **kwargs
+    )
+
+def genasciidoc(
+        name,
+        srcs = [],
+        attributes = [],
+        backend = None,
+        searchbox = True,
+        resources = True,
+        **kwargs):
+    SUFFIX = "_htmlonly"
+
+    _genasciidoc_htmlonly(
+        name = name + SUFFIX if resources else name,
+        srcs = srcs,
+        attributes = attributes,
+        backend = backend,
+        searchbox = searchbox,
+        **kwargs
+    )
+
+    if resources:
+        htmlonly = ":" + name + SUFFIX
+        native.filegroup(
+            name = name,
+            srcs = [
+                htmlonly,
+                "//Documentation:resources",
+            ],
+            **kwargs
+        )
+
 def _asciidoc_html_zip_impl(ctx):
-  args = [
-    "--mktmp",
-    "-z", ctx.outputs.out.path,
-    "--in-ext", ".txt" + ctx.attr.suffix,
-    "--out-ext", ".html",
-  ]
-  args.extend(_generate_asciidoc_args(ctx))
-  ctx.actions.run(
-    inputs = ctx.files.srcs + [ctx.file.version],
-    outputs = [ctx.outputs.out],
-    tools = [ctx.executable._exe],
-    executable = ctx.executable._exe,
-    arguments = args,
-    progress_message = "Rendering asciidoctor files for %s" % ctx.label.name,
-  )
+    args = [
+        "--mktmp",
+        "-z",
+        ctx.outputs.out.path,
+        "--in-ext",
+        ".txt" + ctx.attr.suffix,
+        "--out-ext",
+        ".html",
+    ]
+    args.extend(_generate_asciidoc_args(ctx))
+    ctx.actions.run(
+        inputs = ctx.files.srcs + [ctx.file.version],
+        outputs = [ctx.outputs.out],
+        tools = [ctx.executable._exe],
+        executable = ctx.executable._exe,
+        arguments = args,
+        progress_message = "Rendering asciidoctor files for %s" % ctx.label.name,
+    )
 
 _asciidoc_html_zip = rule(
     attrs = _asciidoc_attrs,
@@ -215,53 +224,54 @@
 )
 
 def _genasciidoc_htmlonly_zip(
-    name,
-    srcs = [],
-    attributes = [],
-    backend = None,
-    searchbox = True,
-    **kwargs):
-  SUFFIX = "." + name + "_expn"
-  new_srcs = []
+        name,
+        srcs = [],
+        attributes = [],
+        backend = None,
+        searchbox = True,
+        **kwargs):
+    SUFFIX = "." + name + "_expn"
+    new_srcs = []
 
-  for src in srcs:
-    new_src, _ = _invoke_replace_macros(name, src, SUFFIX, searchbox)
-    new_srcs.append(new_src)
+    for src in srcs:
+        new_src, _ = _invoke_replace_macros(name, src, SUFFIX, searchbox)
+        new_srcs.append(new_src)
 
-  _asciidoc_html_zip(
-    name = name,
-    srcs = new_srcs,
-    suffix = SUFFIX,
-    backend = backend,
-    attributes = attributes,
-  )
+    _asciidoc_html_zip(
+        name = name,
+        srcs = new_srcs,
+        suffix = SUFFIX,
+        backend = backend,
+        attributes = attributes,
+    )
 
 def _asciidoc_zip_impl(ctx):
-  tmpdir = ctx.outputs.out.path + "_tmpdir"
-  cmd = [
-    "p=$PWD",
-    "rm -rf %s" % tmpdir,
-    "mkdir -p %s/%s/" % (tmpdir, ctx.attr.directory),
-    "unzip -q %s -d %s/%s/" % (ctx.file.src.path, tmpdir, ctx.attr.directory),
-  ]
-  for r in ctx.files.resources:
-    if r.path == r.short_path:
-      cmd.append("tar -cf- %s | tar -C %s -xf-" % (r.short_path, tmpdir))
-    else:
-      parent = r.path[:-len(r.short_path)]
-      cmd.append(
-        "tar -C %s -cf- %s | tar -C %s -xf-" % (parent, r.short_path, tmpdir))
-  cmd.extend([
-    "cd %s" % tmpdir,
-    "zip -qr $p/%s *" % ctx.outputs.out.path,
-  ])
-  ctx.actions.run_shell(
-    inputs = [ctx.file.src] + ctx.files.resources,
-    outputs = [ctx.outputs.out],
-    command = " && ".join(cmd),
-    progress_message =
-        "Generating asciidoctor zip file %s" % ctx.outputs.out.short_path,
-  )
+    tmpdir = ctx.outputs.out.path + "_tmpdir"
+    cmd = [
+        "p=$PWD",
+        "rm -rf %s" % tmpdir,
+        "mkdir -p %s/%s/" % (tmpdir, ctx.attr.directory),
+        "unzip -q %s -d %s/%s/" % (ctx.file.src.path, tmpdir, ctx.attr.directory),
+    ]
+    for r in ctx.files.resources:
+        if r.path == r.short_path:
+            cmd.append("tar -cf- %s | tar -C %s -xf-" % (r.short_path, tmpdir))
+        else:
+            parent = r.path[:-len(r.short_path)]
+            cmd.append(
+                "tar -C %s -cf- %s | tar -C %s -xf-" % (parent, r.short_path, tmpdir),
+            )
+    cmd.extend([
+        "cd %s" % tmpdir,
+        "zip -qr $p/%s *" % ctx.outputs.out.path,
+    ])
+    ctx.actions.run_shell(
+        inputs = [ctx.file.src] + ctx.files.resources,
+        outputs = [ctx.outputs.out],
+        command = " && ".join(cmd),
+        progress_message =
+            "Generating asciidoctor zip file %s" % ctx.outputs.out.short_path,
+    )
 
 _asciidoc_zip = rule(
     attrs = {
@@ -282,30 +292,30 @@
 )
 
 def genasciidoc_zip(
-    name,
-    srcs = [],
-    attributes = [],
-    directory = None,
-    backend = None,
-    searchbox = True,
-    resources = True,
-    **kwargs):
-  SUFFIX = "_htmlonly"
+        name,
+        srcs = [],
+        attributes = [],
+        directory = None,
+        backend = None,
+        searchbox = True,
+        resources = True,
+        **kwargs):
+    SUFFIX = "_htmlonly"
 
-  _genasciidoc_htmlonly_zip(
-    name = name + SUFFIX if resources else name,
-    srcs = srcs,
-    attributes = attributes,
-    backend = backend,
-    searchbox = searchbox,
-    **kwargs
-  )
-
-  if resources:
-    htmlonly = ":" + name + SUFFIX
-    _asciidoc_zip(
-      name = name,
-      src = htmlonly,
-      resources = ["//Documentation:resources"],
-      directory = directory,
+    _genasciidoc_htmlonly_zip(
+        name = name + SUFFIX if resources else name,
+        srcs = srcs,
+        attributes = attributes,
+        backend = backend,
+        searchbox = searchbox,
+        **kwargs
     )
+
+    if resources:
+        htmlonly = ":" + name + SUFFIX
+        _asciidoc_zip(
+            name = name,
+            src = htmlonly,
+            resources = ["//Documentation:resources"],
+            directory = directory,
+        )
diff --git a/tools/bzl/classpath.bzl b/tools/bzl/classpath.bzl
index 9448ed1..afdd907 100644
--- a/tools/bzl/classpath.bzl
+++ b/tools/bzl/classpath.bzl
@@ -1,15 +1,17 @@
 def _classpath_collector(ctx):
     all = depset()
     for d in ctx.attr.deps:
-        if hasattr(d, 'java'):
+        if hasattr(d, "java"):
             all += d.java.transitive_runtime_deps
             all += d.java.compilation_info.runtime_classpath
-        elif hasattr(d, 'files'):
+        elif hasattr(d, "files"):
             all += d.files
 
     as_strs = [c.path for c in all]
-    ctx.file_action(output= ctx.outputs.runtime,
-                    content="\n".join(sorted(as_strs)))
+    ctx.file_action(
+        output = ctx.outputs.runtime,
+        content = "\n".join(sorted(as_strs)),
+    )
 
 classpath_collector = rule(
     attrs = {
diff --git a/tools/bzl/genrule2.bzl b/tools/bzl/genrule2.bzl
index 563a9ef..3113022 100644
--- a/tools/bzl/genrule2.bzl
+++ b/tools/bzl/genrule2.bzl
@@ -17,11 +17,12 @@
 #   expose TMP shell variable
 
 def genrule2(cmd, **kwargs):
-  cmd = ' && '.join([
-    'ROOT=$$PWD',
-    'TMP=$$(mktemp -d || mktemp -d -t bazel-tmp)',
-    '(' + cmd + ')',
-  ])
-  native.genrule(
-    cmd = cmd,
-    **kwargs)
+    cmd = " && ".join([
+        "ROOT=$$PWD",
+        "TMP=$$(mktemp -d || mktemp -d -t bazel-tmp)",
+        "(" + cmd + ")",
+    ])
+    native.genrule(
+        cmd = cmd,
+        **kwargs
+    )
diff --git a/tools/bzl/gwt.bzl b/tools/bzl/gwt.bzl
index 71ba750..2adb7dd 100644
--- a/tools/bzl/gwt.bzl
+++ b/tools/bzl/gwt.bzl
@@ -90,117 +90,122 @@
 </module>
 """
 
-def gwt_module(gwt_xml=None, resources=[], srcs=[], **kwargs):
-  if gwt_xml:
-    resources = resources + [gwt_xml]
+def gwt_module(gwt_xml = None, resources = [], srcs = [], **kwargs):
+    if gwt_xml:
+        resources = resources + [gwt_xml]
 
-  java_library2(
-    srcs = srcs,
-    resources = resources,
-    **kwargs)
+    java_library2(
+        srcs = srcs,
+        resources = resources,
+        **kwargs
+    )
 
 def _gwt_user_agent_module(ctx):
-  """Generate user agent specific GWT module."""
-  if not ctx.attr.user_agent:
-    return None
+    """Generate user agent specific GWT module."""
+    if not ctx.attr.user_agent:
+        return None
 
-  ua = ctx.attr.user_agent
-  impl = ua
-  if ua in ALIASES:
-    impl = ALIASES[ua]
+    ua = ctx.attr.user_agent
+    impl = ua
+    if ua in ALIASES:
+        impl = ALIASES[ua]
 
-  # intermediate artifact: user agent speific GWT xml file
-  gwt_user_agent_xml = ctx.new_file(ctx.label.name + "_gwt.xml")
-  ctx.file_action(output = gwt_user_agent_xml,
-                  content=USER_AGENT_XML % (MODULE, impl))
+    # intermediate artifact: user agent speific GWT xml file
+    gwt_user_agent_xml = ctx.new_file(ctx.label.name + "_gwt.xml")
+    ctx.file_action(
+        output = gwt_user_agent_xml,
+        content = USER_AGENT_XML % (MODULE, impl),
+    )
 
-  # intermediate artifact: user agent specific zip with GWT module
-  gwt_user_agent_zip = ctx.new_file(ctx.label.name + "_gwt.zip")
-  gwt = '%s_%s.gwt.xml' % (MODULE.replace('.', '/'), ua)
-  dir = gwt_user_agent_zip.path + ".dir"
-  cmd = " && ".join([
-    "p=$PWD",
-    "mkdir -p %s" % dir,
-    "cd %s" % dir,
-    "mkdir -p $(dirname %s)" % gwt,
-    "cp $p/%s %s" % (gwt_user_agent_xml.path, gwt),
-    "$p/%s cC $p/%s $(find . | sed 's|^./||')" % (ctx.executable._zip.path, gwt_user_agent_zip.path)
-  ])
-  ctx.actions.run_shell(
-    inputs = [gwt_user_agent_xml] + ctx.files._zip,
-    outputs = [gwt_user_agent_zip],
-    command = cmd,
-    mnemonic = "GenerateUserAgentGWTModule")
+    # intermediate artifact: user agent specific zip with GWT module
+    gwt_user_agent_zip = ctx.new_file(ctx.label.name + "_gwt.zip")
+    gwt = "%s_%s.gwt.xml" % (MODULE.replace(".", "/"), ua)
+    dir = gwt_user_agent_zip.path + ".dir"
+    cmd = " && ".join([
+        "p=$PWD",
+        "mkdir -p %s" % dir,
+        "cd %s" % dir,
+        "mkdir -p $(dirname %s)" % gwt,
+        "cp $p/%s %s" % (gwt_user_agent_xml.path, gwt),
+        "$p/%s cC $p/%s $(find . | sed 's|^./||')" % (ctx.executable._zip.path, gwt_user_agent_zip.path),
+    ])
+    ctx.actions.run_shell(
+        inputs = [gwt_user_agent_xml] + ctx.files._zip,
+        outputs = [gwt_user_agent_zip],
+        command = cmd,
+        mnemonic = "GenerateUserAgentGWTModule",
+    )
 
-  return struct(
-    zip=gwt_user_agent_zip,
-    module=MODULE + '_' + ua
-  )
+    return struct(
+        zip = gwt_user_agent_zip,
+        module = MODULE + "_" + ua,
+    )
 
 def _gwt_binary_impl(ctx):
-  module = ctx.attr.module[0]
-  output_zip = ctx.outputs.output
-  output_dir = output_zip.path + '.gwt_output'
-  deploy_dir = output_zip.path + '.gwt_deploy'
+    module = ctx.attr.module[0]
+    output_zip = ctx.outputs.output
+    output_dir = output_zip.path + ".gwt_output"
+    deploy_dir = output_zip.path + ".gwt_deploy"
 
-  deps = _get_transitive_closure(ctx)
+    deps = _get_transitive_closure(ctx)
 
-  paths = []
-  for dep in deps:
-    paths.append(dep.path)
+    paths = []
+    for dep in deps:
+        paths.append(dep.path)
 
-  gwt_user_agent_modules = []
-  ua = _gwt_user_agent_module(ctx)
-  if ua:
-    paths.append(ua.zip.path)
-    gwt_user_agent_modules.append(ua.zip)
-    module = ua.module
+    gwt_user_agent_modules = []
+    ua = _gwt_user_agent_module(ctx)
+    if ua:
+        paths.append(ua.zip.path)
+        gwt_user_agent_modules.append(ua.zip)
+        module = ua.module
 
-  cmd = "%s %s -Dgwt.normalizeTimestamps=true -cp %s %s -war %s -deploy %s " % (
-    ctx.attr._jdk[java_common.JavaRuntimeInfo].java_executable_exec_path,
-    " ".join(ctx.attr.jvm_args),
-    ":".join(paths),
-    GWT_COMPILER,
-    output_dir,
-    deploy_dir,
-  )
-  # TODO(davido): clean up command concatenation
-  cmd += " ".join([
-    "-style %s" % ctx.attr.style,
-    "-optimize %s" % ctx.attr.optimize,
-    "-strict",
-    " ".join(ctx.attr.compiler_args),
-    module + "\n",
-    "rm -rf %s/gwt-unitCache\n" % output_dir,
-    "root=`pwd`\n",
-    "cd %s; $root/%s Cc ../%s $(find .)\n" % (
-      output_dir,
-      ctx.executable._zip.path,
-      output_zip.basename,
+    cmd = "%s %s -Dgwt.normalizeTimestamps=true -cp %s %s -war %s -deploy %s " % (
+        ctx.attr._jdk[java_common.JavaRuntimeInfo].java_executable_exec_path,
+        " ".join(ctx.attr.jvm_args),
+        ":".join(paths),
+        GWT_COMPILER,
+        output_dir,
+        deploy_dir,
     )
-  ])
 
-  ctx.actions.run_shell(
-    inputs = list(deps) + gwt_user_agent_modules,
-    outputs = [output_zip],
-    tools = ctx.files._jdk + ctx.files._zip,
-    mnemonic = "GwtBinary",
-    progress_message = "GWT compiling " + output_zip.short_path,
-    command = "set -e\n" + cmd,
-  )
+    # TODO(davido): clean up command concatenation
+    cmd += " ".join([
+        "-style %s" % ctx.attr.style,
+        "-optimize %s" % ctx.attr.optimize,
+        "-strict",
+        " ".join(ctx.attr.compiler_args),
+        module + "\n",
+        "rm -rf %s/gwt-unitCache\n" % output_dir,
+        "root=`pwd`\n",
+        "cd %s; $root/%s Cc ../%s $(find .)\n" % (
+            output_dir,
+            ctx.executable._zip.path,
+            output_zip.basename,
+        ),
+    ])
+
+    ctx.actions.run_shell(
+        inputs = list(deps) + gwt_user_agent_modules,
+        outputs = [output_zip],
+        tools = ctx.files._jdk + ctx.files._zip,
+        mnemonic = "GwtBinary",
+        progress_message = "GWT compiling " + output_zip.short_path,
+        command = "set -e\n" + cmd,
+    )
 
 def _get_transitive_closure(ctx):
-  deps = depset()
-  for dep in ctx.attr.module_deps:
-    deps += dep.java.transitive_runtime_deps
-    deps += dep.java.transitive_source_jars
-  for dep in ctx.attr.deps:
-    if hasattr(dep, 'java'):
-      deps += dep.java.transitive_runtime_deps
-    elif hasattr(dep, 'files'):
-      deps += dep.files
+    deps = depset()
+    for dep in ctx.attr.module_deps:
+        deps += dep.java.transitive_runtime_deps
+        deps += dep.java.transitive_source_jars
+    for dep in ctx.attr.deps:
+        if hasattr(dep, "java"):
+            deps += dep.java.transitive_runtime_deps
+        elif hasattr(dep, "files"):
+            deps += dep.files
 
-  return deps
+    return deps
 
 gwt_binary = rule(
     attrs = {
@@ -230,77 +235,78 @@
 )
 
 def gwt_genrule(suffix = ""):
-  dbg = 'ui_dbg' + suffix
-  opt = 'ui_opt' + suffix
-  module_dep = ':ui_module' + suffix
-  args = GWT_COMPILER_ARGS_RELEASE_MODE if suffix == "_r" else GWT_COMPILER_ARGS
+    dbg = "ui_dbg" + suffix
+    opt = "ui_opt" + suffix
+    module_dep = ":ui_module" + suffix
+    args = GWT_COMPILER_ARGS_RELEASE_MODE if suffix == "_r" else GWT_COMPILER_ARGS
 
-  genrule2(
-    name = 'ui_optdbg' + suffix,
-    srcs = [
-      ':' + dbg,
-      ':' + opt,
-     ],
-    cmd = 'cd $$TMP;' +
-      'unzip -q $$ROOT/$(location :%s);' % dbg +
-      'mv' +
-      ' gerrit_ui/gerrit_ui.nocache.js' +
-      ' gerrit_ui/dbg_gerrit_ui.nocache.js;' +
-      'unzip -qo $$ROOT/$(location :%s);' % opt +
-      'mkdir -p $$(dirname $@);' +
-      'zip -qrD $$ROOT/$@ .',
-    outs = ['ui_optdbg' + suffix + '.zip'],
-    visibility = ['//visibility:public'],
-   )
+    genrule2(
+        name = "ui_optdbg" + suffix,
+        srcs = [
+            ":" + dbg,
+            ":" + opt,
+        ],
+        cmd = "cd $$TMP;" +
+              "unzip -q $$ROOT/$(location :%s);" % dbg +
+              "mv" +
+              " gerrit_ui/gerrit_ui.nocache.js" +
+              " gerrit_ui/dbg_gerrit_ui.nocache.js;" +
+              "unzip -qo $$ROOT/$(location :%s);" % opt +
+              "mkdir -p $$(dirname $@);" +
+              "zip -qrD $$ROOT/$@ .",
+        outs = ["ui_optdbg" + suffix + ".zip"],
+        visibility = ["//visibility:public"],
+    )
 
-  gwt_binary(
-    name = opt,
-    module = [MODULE],
-    module_deps = [module_dep],
-    deps = DEPS,
-    compiler_args = args,
-    jvm_args = GWT_JVM_ARGS,
-  )
+    gwt_binary(
+        name = opt,
+        module = [MODULE],
+        module_deps = [module_dep],
+        deps = DEPS,
+        compiler_args = args,
+        jvm_args = GWT_JVM_ARGS,
+    )
 
-  gwt_binary(
-    name = dbg,
-    style = 'PRETTY',
-    optimize = "0",
-    module_deps = [module_dep],
-    deps = DEPS,
-    compiler_args = GWT_COMPILER_ARGS,
-    jvm_args = GWT_JVM_ARGS,
-  )
+    gwt_binary(
+        name = dbg,
+        style = "PRETTY",
+        optimize = "0",
+        module_deps = [module_dep],
+        deps = DEPS,
+        compiler_args = GWT_COMPILER_ARGS,
+        jvm_args = GWT_JVM_ARGS,
+    )
 
 def gen_ui_module(name, suffix = ""):
-  gwt_module(
-    name = name + suffix,
-    srcs = native.glob(['src/main/java/**/*.java']),
-    gwt_xml = 'src/main/java/%s.gwt.xml' % MODULE.replace('.', '/'),
-    resources = native.glob(
-        ['src/main/java/**/*'],
-        exclude = ['src/main/java/**/*.java'] +
-        ['src/main/java/%s.gwt.xml' % MODULE.replace('.', '/')]),
-    deps = [
-      '//gerrit-gwtui-common:diffy_logo',
-      '//gerrit-gwtui-common:client',
-      '//java/com/google/gwtexpui/css',
-      '//lib/codemirror:codemirror' + suffix,
-      '//lib/gwt:user',
-    ],
-    visibility = ['//visibility:public'],
-  )
+    gwt_module(
+        name = name + suffix,
+        srcs = native.glob(["src/main/java/**/*.java"]),
+        gwt_xml = "src/main/java/%s.gwt.xml" % MODULE.replace(".", "/"),
+        resources = native.glob(
+            ["src/main/java/**/*"],
+            exclude = ["src/main/java/**/*.java"] +
+                      ["src/main/java/%s.gwt.xml" % MODULE.replace(".", "/")],
+        ),
+        deps = [
+            "//gerrit-gwtui-common:diffy_logo",
+            "//gerrit-gwtui-common:client",
+            "//java/com/google/gwtexpui/css",
+            "//lib/codemirror:codemirror" + suffix,
+            "//lib/gwt:user",
+        ],
+        visibility = ["//visibility:public"],
+    )
 
 def gwt_user_agent_permutations():
-  for ua in BROWSERS:
-    gwt_binary(
-      name = "ui_%s" % ua,
-      user_agent = ua,
-      style = 'PRETTY',
-      optimize = "0",
-      module = [MODULE],
-      module_deps = [':ui_module'],
-      deps = DEPS,
-      compiler_args = GWT_COMPILER_ARGS,
-      jvm_args = GWT_JVM_ARGS,
-    )
+    for ua in BROWSERS:
+        gwt_binary(
+            name = "ui_%s" % ua,
+            user_agent = ua,
+            style = "PRETTY",
+            optimize = "0",
+            module = [MODULE],
+            module_deps = [":ui_module"],
+            deps = DEPS,
+            compiler_args = GWT_COMPILER_ARGS,
+            jvm_args = GWT_JVM_ARGS,
+        )
diff --git a/tools/bzl/java.bzl b/tools/bzl/java.bzl
index 5fca724..7c41fbe 100644
--- a/tools/bzl/java.bzl
+++ b/tools/bzl/java.bzl
@@ -15,11 +15,12 @@
 # Syntactic sugar for native java_library() rule:
 #   accept exported_deps attributes
 
-def java_library2(deps=[], exported_deps=[], exports=[], **kwargs):
-  if exported_deps:
-    deps = deps + exported_deps
-    exports = exports + exported_deps
-  native.java_library(
-    deps = deps,
-    exports = exports,
-    **kwargs)
+def java_library2(deps = [], exported_deps = [], exports = [], **kwargs):
+    if exported_deps:
+        deps = deps + exported_deps
+        exports = exports + exported_deps
+    native.java_library(
+        deps = deps,
+        exports = exports,
+        **kwargs
+    )
diff --git a/tools/bzl/javadoc.bzl b/tools/bzl/javadoc.bzl
index f49c881..34ae9d2 100644
--- a/tools/bzl/javadoc.bzl
+++ b/tools/bzl/javadoc.bzl
@@ -15,49 +15,51 @@
 # Javadoc rule.
 
 def _impl(ctx):
-  zip_output = ctx.outputs.zip
+    zip_output = ctx.outputs.zip
 
-  transitive_jar_set = depset()
-  source_jars = depset()
-  for l in ctx.attr.libs:
-    source_jars += l.java.source_jars
-    transitive_jar_set += l.java.transitive_deps
+    transitive_jar_set = depset()
+    source_jars = depset()
+    for l in ctx.attr.libs:
+        source_jars += l.java.source_jars
+        transitive_jar_set += l.java.transitive_deps
 
-  transitive_jar_paths = [j.path for j in transitive_jar_set]
-  dir = ctx.outputs.zip.path + ".dir"
-  source = ctx.outputs.zip.path + ".source"
-  external_docs = ["http://docs.oracle.com/javase/8/docs/api"] + ctx.attr.external_docs
-  cmd = [
-      "TZ=UTC",
-      "export TZ",
-      "rm -rf %s" % source,
-      "mkdir %s" % source,
-      " && ".join(["unzip -qud %s %s" % (source, j.path) for j in source_jars]),
-      "rm -rf %s" % dir,
-      "mkdir %s" % dir,
-      " ".join([
-        ctx.file._javadoc.path,
-        "-Xdoclint:-missing",
-        "-protected",
-        "-encoding UTF-8",
-        "-charset UTF-8",
-        "-notimestamp",
-        "-quiet",
-        "-windowtitle '%s'" % ctx.attr.title,
-        " ".join(['-link %s' % url for url in external_docs]),
-        "-sourcepath %s" % source,
-        "-subpackages ",
-        ":".join(ctx.attr.pkgs),
-        " -classpath ",
-        ":".join(transitive_jar_paths),
-        "-d %s" % dir]),
-    "find %s -exec touch -t 198001010000 '{}' ';'" % dir,
-    "(cd %s && zip -Xqr ../%s *)" % (dir, ctx.outputs.zip.basename),
-  ]
-  ctx.actions.run_shell(
-      inputs = list(transitive_jar_set) + list(source_jars) + ctx.files._jdk,
-      outputs = [zip_output],
-      command = " && ".join(cmd))
+    transitive_jar_paths = [j.path for j in transitive_jar_set]
+    dir = ctx.outputs.zip.path + ".dir"
+    source = ctx.outputs.zip.path + ".source"
+    external_docs = ["http://docs.oracle.com/javase/8/docs/api"] + ctx.attr.external_docs
+    cmd = [
+        "TZ=UTC",
+        "export TZ",
+        "rm -rf %s" % source,
+        "mkdir %s" % source,
+        " && ".join(["unzip -qud %s %s" % (source, j.path) for j in source_jars]),
+        "rm -rf %s" % dir,
+        "mkdir %s" % dir,
+        " ".join([
+            ctx.file._javadoc.path,
+            "-Xdoclint:-missing",
+            "-protected",
+            "-encoding UTF-8",
+            "-charset UTF-8",
+            "-notimestamp",
+            "-quiet",
+            "-windowtitle '%s'" % ctx.attr.title,
+            " ".join(["-link %s" % url for url in external_docs]),
+            "-sourcepath %s" % source,
+            "-subpackages ",
+            ":".join(ctx.attr.pkgs),
+            " -classpath ",
+            ":".join(transitive_jar_paths),
+            "-d %s" % dir,
+        ]),
+        "find %s -exec touch -t 198001010000 '{}' ';'" % dir,
+        "(cd %s && zip -Xqr ../%s *)" % (dir, ctx.outputs.zip.basename),
+    ]
+    ctx.actions.run_shell(
+        inputs = list(transitive_jar_set) + list(source_jars) + ctx.files._jdk,
+        outputs = [zip_output],
+        command = " && ".join(cmd),
+    )
 
 java_doc = rule(
     attrs = {
diff --git a/tools/bzl/js.bzl b/tools/bzl/js.bzl
index 2796f64..fbacfad 100644
--- a/tools/bzl/js.bzl
+++ b/tools/bzl/js.bzl
@@ -2,37 +2,37 @@
 
 GERRIT = "GERRIT:"
 
-load("//lib/js:npm.bzl", "NPM_VERSIONS", "NPM_SHA1S")
+load("//lib/js:npm.bzl", "NPM_SHA1S", "NPM_VERSIONS")
 
 def _npm_tarball(name):
-  return "%s@%s.npm_binary.tgz" % (name, NPM_VERSIONS[name])
+    return "%s@%s.npm_binary.tgz" % (name, NPM_VERSIONS[name])
 
 def _npm_binary_impl(ctx):
-  """rule to download a NPM archive."""
-  name = ctx.name
-  version= NPM_VERSIONS[name]
-  sha1 = NPM_SHA1S[name]
+    """rule to download a NPM archive."""
+    name = ctx.name
+    version = NPM_VERSIONS[name]
+    sha1 = NPM_SHA1S[name]
 
-  dir = '%s-%s' % (name, version)
-  filename = '%s.tgz' % dir
-  base =  '%s@%s.npm_binary.tgz' % (name, version)
-  dest = ctx.path(base)
-  repository = ctx.attr.repository
-  if repository == GERRIT:
-    url = 'http://gerrit-maven.storage.googleapis.com/npm-packages/%s' % filename
-  elif repository == NPMJS:
-    url = 'http://registry.npmjs.org/%s/-/%s' % (name, filename)
-  else:
-    fail('repository %s not in {%s,%s}' % (repository, GERRIT, NPMJS))
+    dir = "%s-%s" % (name, version)
+    filename = "%s.tgz" % dir
+    base = "%s@%s.npm_binary.tgz" % (name, version)
+    dest = ctx.path(base)
+    repository = ctx.attr.repository
+    if repository == GERRIT:
+        url = "http://gerrit-maven.storage.googleapis.com/npm-packages/%s" % filename
+    elif repository == NPMJS:
+        url = "http://registry.npmjs.org/%s/-/%s" % (name, filename)
+    else:
+        fail("repository %s not in {%s,%s}" % (repository, GERRIT, NPMJS))
 
-  python = ctx.which("python")
-  script = ctx.path(ctx.attr._download_script)
+    python = ctx.which("python")
+    script = ctx.path(ctx.attr._download_script)
 
-  args = [python, script, "-o", dest, "-u", url, "-v", sha1]
-  out = ctx.execute(args)
-  if out.return_code:
-    fail("failed %s: %s" % (args, out.stderr))
-  ctx.file("BUILD", "package(default_visibility=['//visibility:public'])\nfilegroup(name='tarball', srcs=['%s'])" % base, False)
+    args = [python, script, "-o", dest, "-u", url, "-v", sha1]
+    out = ctx.execute(args)
+    if out.return_code:
+        fail("failed %s: %s" % (args, out.stderr))
+    ctx.file("BUILD", "package(default_visibility=['//visibility:public'])\nfilegroup(name='tarball', srcs=['%s'])" % base, False)
 
 npm_binary = repository_rule(
     attrs = {
@@ -46,64 +46,75 @@
 
 # for use in repo rules.
 def _run_npm_binary_str(ctx, tarball, args):
-  python_bin = ctx.which("python")
-  return " ".join([
-    python_bin,
-    ctx.path(ctx.attr._run_npm),
-    ctx.path(tarball)] + args)
+    python_bin = ctx.which("python")
+    return " ".join([
+        python_bin,
+        ctx.path(ctx.attr._run_npm),
+        ctx.path(tarball),
+    ] + args)
 
 def _bower_archive(ctx):
-  """Download a bower package."""
-  download_name = '%s__download_bower.zip' % ctx.name
-  renamed_name = '%s__renamed.zip' % ctx.name
-  version_name = '%s__version.json' % ctx.name
+    """Download a bower package."""
+    download_name = "%s__download_bower.zip" % ctx.name
+    renamed_name = "%s__renamed.zip" % ctx.name
+    version_name = "%s__version.json" % ctx.name
 
-  cmd = [
-      ctx.which("python"),
-      ctx.path(ctx.attr._download_bower),
-      '-b', '%s' % _run_npm_binary_str(ctx, ctx.attr._bower_archive, []),
-      '-n', ctx.name,
-      '-p', ctx.attr.package,
-      '-v', ctx.attr.version,
-      '-s', ctx.attr.sha1,
-      '-o', download_name,
+    cmd = [
+        ctx.which("python"),
+        ctx.path(ctx.attr._download_bower),
+        "-b",
+        "%s" % _run_npm_binary_str(ctx, ctx.attr._bower_archive, []),
+        "-n",
+        ctx.name,
+        "-p",
+        ctx.attr.package,
+        "-v",
+        ctx.attr.version,
+        "-s",
+        ctx.attr.sha1,
+        "-o",
+        download_name,
     ]
 
-  out = ctx.execute(cmd)
-  if out.return_code:
-    fail("failed %s: %s" % (" ".join(cmd), out.stderr))
+    out = ctx.execute(cmd)
+    if out.return_code:
+        fail("failed %s: %s" % (" ".join(cmd), out.stderr))
 
-  _bash(ctx, " && " .join([
-    "TMP=$(mktemp -d || mktemp -d -t bazel-tmp)",
-    "TZ=UTC",
-    "export UTC",
-    "cd $TMP",
-    "mkdir bower_components",
-    "cd bower_components",
-    "unzip %s" % ctx.path(download_name),
-    "cd ..",
-    "find . -exec touch -t 198001010000 '{}' ';'",
-    "zip -Xr %s bower_components" % renamed_name,
-    "cd ..",
-    "rm -rf ${TMP}",
-  ]))
+    _bash(ctx, " && ".join([
+        "TMP=$(mktemp -d || mktemp -d -t bazel-tmp)",
+        "TZ=UTC",
+        "export UTC",
+        "cd $TMP",
+        "mkdir bower_components",
+        "cd bower_components",
+        "unzip %s" % ctx.path(download_name),
+        "cd ..",
+        "find . -exec touch -t 198001010000 '{}' ';'",
+        "zip -Xr %s bower_components" % renamed_name,
+        "cd ..",
+        "rm -rf ${TMP}",
+    ]))
 
-  dep_version = ctx.attr.semver if ctx.attr.semver else ctx.attr.version
-  ctx.file(version_name,
-           '"%s":"%s#%s"' % (ctx.name, ctx.attr.package, dep_version))
-  ctx.file(
-    "BUILD",
-    "\n".join([
-      "package(default_visibility=['//visibility:public'])",
-      "filegroup(name = 'zipfile', srcs = ['%s'], )" % download_name,
-      "filegroup(name = 'version_json', srcs = ['%s'], visibility=['//visibility:public'])" % version_name,
-    ]), False)
+    dep_version = ctx.attr.semver if ctx.attr.semver else ctx.attr.version
+    ctx.file(
+        version_name,
+        '"%s":"%s#%s"' % (ctx.name, ctx.attr.package, dep_version),
+    )
+    ctx.file(
+        "BUILD",
+        "\n".join([
+            "package(default_visibility=['//visibility:public'])",
+            "filegroup(name = 'zipfile', srcs = ['%s'], )" % download_name,
+            "filegroup(name = 'version_json', srcs = ['%s'], visibility=['//visibility:public'])" % version_name,
+        ]),
+        False,
+    )
 
 def _bash(ctx, cmd):
-  cmd_list = ["bash", "-c", cmd]
-  out = ctx.execute(cmd_list)
-  if out.return_code:
-    fail("failed %s: %s" % (" ".join(cmd_list), out.stderr))
+    cmd_list = ["bash", "-c", cmd]
+    out = ctx.execute(cmd_list)
+    if out.return_code:
+        fail("failed %s: %s" % (" ".join(cmd_list), out.stderr))
 
 bower_archive = repository_rule(
     _bower_archive,
@@ -119,26 +130,26 @@
 )
 
 def _bower_component_impl(ctx):
-  transitive_zipfiles = depset([ctx.file.zipfile])
-  for d in ctx.attr.deps:
-    transitive_zipfiles += d.transitive_zipfiles
+    transitive_zipfiles = depset([ctx.file.zipfile])
+    for d in ctx.attr.deps:
+        transitive_zipfiles += d.transitive_zipfiles
 
-  transitive_licenses = depset()
-  if ctx.file.license:
-    transitive_licenses += depset([ctx.file.license])
+    transitive_licenses = depset()
+    if ctx.file.license:
+        transitive_licenses += depset([ctx.file.license])
 
-  for d in ctx.attr.deps:
-    transitive_licenses += d.transitive_licenses
+    for d in ctx.attr.deps:
+        transitive_licenses += d.transitive_licenses
 
-  transitive_versions = depset(ctx.files.version_json)
-  for d in ctx.attr.deps:
-    transitive_versions += d.transitive_versions
+    transitive_versions = depset(ctx.files.version_json)
+    for d in ctx.attr.deps:
+        transitive_versions += d.transitive_versions
 
-  return struct(
-    transitive_zipfiles=transitive_zipfiles,
-    transitive_versions=transitive_versions,
-    transitive_licenses=transitive_licenses,
-  )
+    return struct(
+        transitive_zipfiles = transitive_zipfiles,
+        transitive_versions = transitive_versions,
+        transitive_licenses = transitive_licenses,
+    )
 
 _common_attrs = {
     "deps": attr.label_list(providers = [
@@ -149,35 +160,37 @@
 }
 
 def _js_component(ctx):
-  dir = ctx.outputs.zip.path + ".dir"
-  name = ctx.outputs.zip.basename
-  if name.endswith(".zip"):
-    name = name[:-4]
-  dest = "%s/%s" % (dir, name)
-  cmd = " && ".join([
-    "TZ=UTC",
-    "export TZ",
-    "mkdir -p %s" % dest,
-    "cp %s %s/" % (' '.join([s.path for s in ctx.files.srcs]), dest),
-    "cd %s" % dir,
-    "find . -exec touch -t 198001010000 '{}' ';'",
-    "zip -Xqr ../%s *" %  ctx.outputs.zip.basename
-  ])
+    dir = ctx.outputs.zip.path + ".dir"
+    name = ctx.outputs.zip.basename
+    if name.endswith(".zip"):
+        name = name[:-4]
+    dest = "%s/%s" % (dir, name)
+    cmd = " && ".join([
+        "TZ=UTC",
+        "export TZ",
+        "mkdir -p %s" % dest,
+        "cp %s %s/" % (" ".join([s.path for s in ctx.files.srcs]), dest),
+        "cd %s" % dir,
+        "find . -exec touch -t 198001010000 '{}' ';'",
+        "zip -Xqr ../%s *" % ctx.outputs.zip.basename,
+    ])
 
-  ctx.actions.run_shell(
-    inputs = ctx.files.srcs,
-    outputs = [ctx.outputs.zip],
-    command = cmd,
-    mnemonic = "GenBowerZip")
+    ctx.actions.run_shell(
+        inputs = ctx.files.srcs,
+        outputs = [ctx.outputs.zip],
+        command = cmd,
+        mnemonic = "GenBowerZip",
+    )
 
-  licenses = depset()
-  if ctx.file.license:
-    licenses += depset([ctx.file.license])
+    licenses = depset()
+    if ctx.file.license:
+        licenses += depset([ctx.file.license])
 
-  return struct(
-    transitive_zipfiles=list([ctx.outputs.zip]),
-    transitive_versions=depset(),
-    transitive_licenses=licenses)
+    return struct(
+        transitive_zipfiles = list([ctx.outputs.zip]),
+        transitive_versions = depset(),
+        transitive_licenses = licenses,
+    )
 
 js_component = rule(
     _js_component,
@@ -203,61 +216,65 @@
 )
 
 # TODO(hanwen): make license mandatory.
-def bower_component(name, license=None, **kwargs):
-  prefix = "//lib:LICENSE-"
-  if license and not license.startswith(prefix):
-    license = prefix + license
-  _bower_component(
-    name=name,
-    license=license,
-    zipfile="@%s//:zipfile"% name,
-    version_json="@%s//:version_json" % name,
-    **kwargs)
+def bower_component(name, license = None, **kwargs):
+    prefix = "//lib:LICENSE-"
+    if license and not license.startswith(prefix):
+        license = prefix + license
+    _bower_component(
+        name = name,
+        license = license,
+        zipfile = "@%s//:zipfile" % name,
+        version_json = "@%s//:version_json" % name,
+        **kwargs
+    )
 
 def _bower_component_bundle_impl(ctx):
-  """A bunch of bower components zipped up."""
-  zips = depset()
-  for d in ctx.attr.deps:
-    zips += d.transitive_zipfiles
+    """A bunch of bower components zipped up."""
+    zips = depset()
+    for d in ctx.attr.deps:
+        zips += d.transitive_zipfiles
 
-  versions = depset()
-  for d in ctx.attr.deps:
-    versions += d.transitive_versions
+    versions = depset()
+    for d in ctx.attr.deps:
+        versions += d.transitive_versions
 
-  licenses = depset()
-  for d in ctx.attr.deps:
-    licenses += d.transitive_versions
+    licenses = depset()
+    for d in ctx.attr.deps:
+        licenses += d.transitive_versions
 
-  out_zip = ctx.outputs.zip
-  out_versions = ctx.outputs.version_json
+    out_zip = ctx.outputs.zip
+    out_versions = ctx.outputs.version_json
 
-  ctx.actions.run_shell(
-    inputs=list(zips),
-    outputs=[out_zip],
-    command=" && ".join([
-      "p=$PWD",
-      "TZ=UTC",
-      "export TZ",
-      "rm -rf %s.dir" % out_zip.path,
-      "mkdir -p %s.dir/bower_components" % out_zip.path,
-      "cd %s.dir/bower_components" % out_zip.path,
-      "for z in %s; do unzip -q $p/$z ; done" % " ".join(sorted([z.path for z in zips])),
-      "cd ..",
-      "find . -exec touch -t 198001010000 '{}' ';'",
-      "zip -Xqr $p/%s bower_components/*" % out_zip.path,
-    ]),
-    mnemonic="BowerCombine")
+    ctx.actions.run_shell(
+        inputs = list(zips),
+        outputs = [out_zip],
+        command = " && ".join([
+            "p=$PWD",
+            "TZ=UTC",
+            "export TZ",
+            "rm -rf %s.dir" % out_zip.path,
+            "mkdir -p %s.dir/bower_components" % out_zip.path,
+            "cd %s.dir/bower_components" % out_zip.path,
+            "for z in %s; do unzip -q $p/$z ; done" % " ".join(sorted([z.path for z in zips])),
+            "cd ..",
+            "find . -exec touch -t 198001010000 '{}' ';'",
+            "zip -Xqr $p/%s bower_components/*" % out_zip.path,
+        ]),
+        mnemonic = "BowerCombine",
+    )
 
-  ctx.actions.run_shell(
-    inputs=list(versions),
-    outputs=[out_versions],
-    mnemonic="BowerVersions",
-    command="(echo '{' ; for j in  %s ; do cat $j; echo ',' ; done ; echo \\\"\\\":\\\"\\\"; echo '}') > %s" % (" ".join([v.path for v in versions]), out_versions.path))
+    ctx.actions.run_shell(
+        inputs = list(versions),
+        outputs = [out_versions],
+        mnemonic = "BowerVersions",
+        command = "(echo '{' ; for j in  %s ; do cat $j; echo ',' ; done ; echo \\\"\\\":\\\"\\\"; echo '}') > %s" % (" ".join([v.path for v in versions]), out_versions.path),
+    )
 
-  return struct(
-    transitive_zipfiles=zips,
-    transitive_versions=versions,
-    transitive_licenses=licenses)
+    return struct(
+        transitive_zipfiles = zips,
+        transitive_versions = versions,
+        transitive_licenses = licenses,
+    )
 
 bower_component_bundle = rule(
     _bower_component_bundle_impl,
@@ -279,80 +296,99 @@
 """
 
 def _vulcanize_impl(ctx):
-  # intermediate artifact if split is wanted.
-  if ctx.attr.split:
-    vulcanized = ctx.new_file(
-      ctx.configuration.genfiles_dir, ctx.outputs.html, ".vulcanized.html")
-  else:
-    vulcanized = ctx.outputs.html
-  destdir = ctx.outputs.html.path + ".dir"
-  zips =  [z for d in ctx.attr.deps for z in d.transitive_zipfiles ]
+    # intermediate artifact if split is wanted.
+    if ctx.attr.split:
+        vulcanized = ctx.new_file(
+            ctx.configuration.genfiles_dir,
+            ctx.outputs.html,
+            ".vulcanized.html",
+        )
+    else:
+        vulcanized = ctx.outputs.html
+    destdir = ctx.outputs.html.path + ".dir"
+    zips = [z for d in ctx.attr.deps for z in d.transitive_zipfiles]
 
-  hermetic_npm_binary = " ".join([
-    'python',
-    "$p/" + ctx.file._run_npm.path,
-    "$p/" + ctx.file._vulcanize_archive.path,
-    '--inline-scripts',
-    '--inline-css',
-    '--strip-comments',
-    '--out-html', "$p/" + vulcanized.path,
-    ctx.file.app.path
-  ])
+    hermetic_npm_binary = " ".join([
+        "python",
+        "$p/" + ctx.file._run_npm.path,
+        "$p/" + ctx.file._vulcanize_archive.path,
+        "--inline-scripts",
+        "--inline-css",
+        "--strip-comments",
+        "--out-html",
+        "$p/" + vulcanized.path,
+        ctx.file.app.path,
+    ])
 
-  pkg_dir = ctx.attr.pkg.lstrip("/")
-  cmd = " && ".join([
-    # unpack dependencies.
-    "export PATH",
-    "p=$PWD",
-    "rm -rf %s" % destdir,
-    "mkdir -p %s/%s/bower_components" % (destdir, pkg_dir),
-    "for z in %s; do unzip -qd %s/%s/bower_components/ $z; done" % (
-      ' '.join([z.path for z in zips]), destdir, pkg_dir),
-    "tar -cf - %s | tar -C %s -xf -" % (" ".join([s.path for s in ctx.files.srcs]), destdir),
-    "cd %s" % destdir,
-    hermetic_npm_binary,
-  ])
+    pkg_dir = ctx.attr.pkg.lstrip("/")
+    cmd = " && ".join([
+        # unpack dependencies.
+        "export PATH",
+        "p=$PWD",
+        "rm -rf %s" % destdir,
+        "mkdir -p %s/%s/bower_components" % (destdir, pkg_dir),
+        "for z in %s; do unzip -qd %s/%s/bower_components/ $z; done" % (
+            " ".join([z.path for z in zips]),
+            destdir,
+            pkg_dir,
+        ),
+        "tar -cf - %s | tar -C %s -xf -" % (" ".join([s.path for s in ctx.files.srcs]), destdir),
+        "cd %s" % destdir,
+        hermetic_npm_binary,
+    ])
 
-  # Node/NPM is not (yet) hermeticized, so we have to get the binary
-  # from the environment, and it may be under $HOME, so we can't run
-  # in the sandbox.
-  node_tweaks = dict(
-    use_default_shell_env = True,
-    execution_requirements = {"local": "1"},
-  )
-  ctx.actions.run_shell(
-    mnemonic = "Vulcanize",
-    inputs = [ctx.file._run_npm, ctx.file.app,
-              ctx.file._vulcanize_archive
-    ] + list(zips) + ctx.files.srcs,
-    outputs = [vulcanized],
-    command = cmd,
-    **node_tweaks)
-
-  if ctx.attr.split:
-    hermetic_npm_command = "export PATH && " + " ".join([
-      'python',
-      ctx.file._run_npm.path,
-      ctx.file._crisper_archive.path,
-      "--always-write-script",
-      "--source", vulcanized.path,
-      "--html", ctx.outputs.html.path,
-      "--js", ctx.outputs.js.path])
-
+    # Node/NPM is not (yet) hermeticized, so we have to get the binary
+    # from the environment, and it may be under $HOME, so we can't run
+    # in the sandbox.
+    node_tweaks = dict(
+        use_default_shell_env = True,
+        execution_requirements = {"local": "1"},
+    )
     ctx.actions.run_shell(
-      mnemonic = "Crisper",
-      inputs = [ctx.file._run_npm, ctx.file.app,
-                ctx.file._crisper_archive, vulcanized],
-      outputs = [ctx.outputs.js, ctx.outputs.html],
-      command = hermetic_npm_command,
-      **node_tweaks)
+        mnemonic = "Vulcanize",
+        inputs = [
+            ctx.file._run_npm,
+            ctx.file.app,
+            ctx.file._vulcanize_archive,
+        ] + list(zips) + ctx.files.srcs,
+        outputs = [vulcanized],
+        command = cmd,
+        **node_tweaks
+    )
+
+    if ctx.attr.split:
+        hermetic_npm_command = "export PATH && " + " ".join([
+            "python",
+            ctx.file._run_npm.path,
+            ctx.file._crisper_archive.path,
+            "--always-write-script",
+            "--source",
+            vulcanized.path,
+            "--html",
+            ctx.outputs.html.path,
+            "--js",
+            ctx.outputs.js.path,
+        ])
+
+        ctx.actions.run_shell(
+            mnemonic = "Crisper",
+            inputs = [
+                ctx.file._run_npm,
+                ctx.file.app,
+                ctx.file._crisper_archive,
+                vulcanized,
+            ],
+            outputs = [ctx.outputs.js, ctx.outputs.html],
+            command = hermetic_npm_command,
+            **node_tweaks
+        )
 
 def _vulcanize_output_func(name, split):
-  _ignore = [name]  # unused.
-  out = {"html": "%{name}.html"}
-  if split:
-    out["js"] = "%{name}.js"
-  return out
+    _ignore = [name]  # unused.
+    out = {"html": "%{name}.html"}
+    if split:
+        out["js"] = "%{name}.js"
+    return out
 
 _vulcanize_rule = rule(
     _vulcanize_impl,
@@ -388,9 +424,9 @@
 )
 
 def vulcanize(*args, **kwargs):
-  """Vulcanize runs vulcanize and (optionally) crisper on a set of sources."""
-  _vulcanize_rule(*args, pkg=PACKAGE_NAME, **kwargs)
+    """Vulcanize runs vulcanize and (optionally) crisper on a set of sources."""
+    _vulcanize_rule(*args, pkg = PACKAGE_NAME, **kwargs)
 
 def polygerrit_plugin(*args, **kwargs):
-  """Bundles plugin dependencies for deployment."""
-  _vulcanize_rule(*args, pkg=PACKAGE_NAME, **kwargs)
+    """Bundles plugin dependencies for deployment."""
+    _vulcanize_rule(*args, pkg = PACKAGE_NAME, **kwargs)
diff --git a/tools/bzl/junit.bzl b/tools/bzl/junit.bzl
index 1abcc23..8076059 100644
--- a/tools/bzl/junit.bzl
+++ b/tools/bzl/junit.bzl
@@ -43,15 +43,21 @@
         if findex != -1:
             break
     if findex == -1:
-        fail("%s does not contain any of %s",
-                         fname, _PREFIXES)
+        fail(
+            "%s does not contain any of %s",
+            fname,
+            _PREFIXES,
+        )
     return ".".join(toks[findex:]) + ".class"
 
 def _impl(ctx):
     classes = ",".join(
-        [_AsClassName(x) for x in ctx.attr.srcs])
-    ctx.file_action(output=ctx.outputs.out, content=_OUTPUT % (
-            classes, ctx.attr.outname))
+        [_AsClassName(x) for x in ctx.attr.srcs],
+    )
+    ctx.file_action(output = ctx.outputs.out, content = _OUTPUT % (
+        classes,
+        ctx.attr.outname,
+    ))
 
 _GenSuite = rule(
     attrs = {
@@ -64,9 +70,11 @@
 
 def junit_tests(name, srcs, **kwargs):
     s_name = name + "TestSuite"
-    _GenSuite(name = s_name,
-              srcs = srcs,
-              outname = s_name)
+    _GenSuite(
+        name = s_name,
+        srcs = srcs,
+        outname = s_name,
+    )
     jvm_flags = kwargs.get("jvm_flags", [])
     jvm_flags = jvm_flags + select({
         "//:java9": [
@@ -78,7 +86,9 @@
         ],
         "//conditions:default": [],
     })
-    native.java_test(name = name,
-                     test_class = s_name,
-                     srcs = srcs + [":"+s_name],
-                     **dict(kwargs, jvm_flags=jvm_flags))
+    native.java_test(
+        name = name,
+        test_class = s_name,
+        srcs = srcs + [":" + s_name],
+        **dict(kwargs, jvm_flags = jvm_flags)
+    )
diff --git a/tools/bzl/license.bzl b/tools/bzl/license.bzl
index 38dfbe5..f011446 100644
--- a/tools/bzl/license.bzl
+++ b/tools/bzl/license.bzl
@@ -1,57 +1,57 @@
 def normalize_target_name(target):
-  return target.replace("//", "").replace("/", "__").replace(":", "___")
+    return target.replace("//", "").replace("/", "__").replace(":", "___")
 
 def license_map(name, targets = [], opts = [], **kwargs):
-  """Generate XML for all targets that depend directly on a LICENSE file"""
-  xmls = []
-  tools = [ "//tools/bzl:license-map.py", "//lib:all-licenses" ]
-  for target in targets:
-    subname = name + "_" + normalize_target_name(target) + ".xml"
-    xmls.append("$(location :%s)" % subname)
-    tools.append(subname)
-    native.genquery(
-      name = subname,
-      scope = [ target ],
+    """Generate XML for all targets that depend directly on a LICENSE file"""
+    xmls = []
+    tools = ["//tools/bzl:license-map.py", "//lib:all-licenses"]
+    for target in targets:
+        subname = name + "_" + normalize_target_name(target) + ".xml"
+        xmls.append("$(location :%s)" % subname)
+        tools.append(subname)
+        native.genquery(
+            name = subname,
+            scope = [target],
 
-      # Find everything that depends on a license file, but remove
-      # the license files themselves from this list.
-      expression = 'rdeps(%s, filter("//lib:LICENSE.*", deps(%s)),1) - filter("//lib:LICENSE.*", deps(%s))' % (target, target, target),
+            # Find everything that depends on a license file, but remove
+            # the license files themselves from this list.
+            expression = 'rdeps(%s, filter("//lib:LICENSE.*", deps(%s)),1) - filter("//lib:LICENSE.*", deps(%s))' % (target, target, target),
 
-      # We are interested in the edges of the graph ({java_library,
-      # license-file} tuples).  'query' provides this in the XML output.
-      opts = [ "--output=xml", ],
+            # We are interested in the edges of the graph ({java_library,
+            # license-file} tuples).  'query' provides this in the XML output.
+            opts = ["--output=xml"],
+        )
+
+    # post process the XML into our favorite format.
+    native.genrule(
+        name = "gen_license_txt_" + name,
+        cmd = "python $(location //tools/bzl:license-map.py) %s %s > $@" % (" ".join(opts), " ".join(xmls)),
+        outs = [name + ".txt"],
+        tools = tools,
+        **kwargs
     )
 
-  # post process the XML into our favorite format.
-  native.genrule(
-    name = "gen_license_txt_" + name,
-    cmd = "python $(location //tools/bzl:license-map.py) %s %s > $@" % (" ".join(opts), " ".join(xmls)),
-    outs = [ name + ".txt" ],
-    tools = tools,
-    **kwargs
-  )
-
 def license_test(name, target):
-  """Make sure a target doesn't depend on DO_NOT_DISTRIBUTE license"""
-  txt = name + "-forbidden.txt"
+    """Make sure a target doesn't depend on DO_NOT_DISTRIBUTE license"""
+    txt = name + "-forbidden.txt"
 
-  # fully qualify target name.
-  if target[0] not in ":/":
-    target = ":" + target
-  if target[0] != "/":
-    target = "//" + PACKAGE_NAME + target
+    # fully qualify target name.
+    if target[0] not in ":/":
+        target = ":" + target
+    if target[0] != "/":
+        target = "//" + PACKAGE_NAME + target
 
-  forbidden = "//lib:LICENSE-DO_NOT_DISTRIBUTE"
-  native.genquery(
-    name = txt,
-    scope = [ target, forbidden ],
-    # Find everything that depends on a license file, but remove
-    # the license files themselves from this list.
-    expression = 'rdeps(%s, "%s", 1) - rdeps(%s, "%s", 0)' % (target, forbidden, target, forbidden),
-  )
-  native.sh_test(
-    name = name,
-    srcs = [ "//tools/bzl:test_license.sh" ],
-    args  = [ "$(location :%s)" % txt ],
-    data = [ txt ],
-  )
+    forbidden = "//lib:LICENSE-DO_NOT_DISTRIBUTE"
+    native.genquery(
+        name = txt,
+        scope = [target, forbidden],
+        # Find everything that depends on a license file, but remove
+        # the license files themselves from this list.
+        expression = 'rdeps(%s, "%s", 1) - rdeps(%s, "%s", 0)' % (target, forbidden, target, forbidden),
+    )
+    native.sh_test(
+        name = name,
+        srcs = ["//tools/bzl:test_license.sh"],
+        args = ["$(location :%s)" % txt],
+        data = [txt],
+    )
diff --git a/tools/bzl/maven.bzl b/tools/bzl/maven.bzl
index c255c0c..71aa91c 100644
--- a/tools/bzl/maven.bzl
+++ b/tools/bzl/maven.bzl
@@ -15,18 +15,18 @@
 # Merge maven files
 
 def cmd(jars):
-  return ('$(location //tools:merge_jars) $@ '
-          + ' '.join(['$(location %s)' % j for j in jars]))
+    return ("$(location //tools:merge_jars) $@ " +
+            " ".join(["$(location %s)" % j for j in jars]))
 
 def merge_maven_jars(name, srcs, **kwargs):
-  native.genrule(
-    name = '%s__merged_bin' % name,
-    cmd = cmd(srcs),
-    tools = srcs + ['//tools:merge_jars'],
-    outs = ['%s__merged.jar' % name],
-  )
-  native.java_import(
-    name = name,
-    jars = [':%s__merged_bin' % name],
-    **kwargs
-  )
+    native.genrule(
+        name = "%s__merged_bin" % name,
+        cmd = cmd(srcs),
+        tools = srcs + ["//tools:merge_jars"],
+        outs = ["%s__merged.jar" % name],
+    )
+    native.java_import(
+        name = name,
+        jars = [":%s__merged_bin" % name],
+        **kwargs
+    )
diff --git a/tools/bzl/maven_jar.bzl b/tools/bzl/maven_jar.bzl
index 55bfae1..2ebb2c2 100644
--- a/tools/bzl/maven_jar.bzl
+++ b/tools/bzl/maven_jar.bzl
@@ -7,69 +7,70 @@
 MAVEN_LOCAL = "MAVEN_LOCAL:"
 
 def _maven_release(ctx, parts):
-  """induce jar and url name from maven coordinates."""
-  if len(parts) not in [3, 4]:
-    fail('%s:\nexpected id="groupId:artifactId:version[:classifier]"'
-         % ctx.attr.artifact)
-  if len(parts) == 4:
-    group, artifact, version, classifier = parts
-    file_version = version + '-' + classifier
-  else:
-    group, artifact, version = parts
-    file_version = version
+    """induce jar and url name from maven coordinates."""
+    if len(parts) not in [3, 4]:
+        fail('%s:\nexpected id="groupId:artifactId:version[:classifier]"' %
+             ctx.attr.artifact)
+    if len(parts) == 4:
+        group, artifact, version, classifier = parts
+        file_version = version + "-" + classifier
+    else:
+        group, artifact, version = parts
+        file_version = version
 
-  jar = artifact.lower() + '-' + file_version
-  url = '/'.join([
-    ctx.attr.repository,
-    group.replace('.', '/'),
-    artifact,
-    version,
-    artifact + '-' + file_version])
+    jar = artifact.lower() + "-" + file_version
+    url = "/".join([
+        ctx.attr.repository,
+        group.replace(".", "/"),
+        artifact,
+        version,
+        artifact + "-" + file_version,
+    ])
 
-  return jar, url
+    return jar, url
 
 # Creates a struct containing the different parts of an artifact's FQN
 def _create_coordinates(fully_qualified_name):
-  parts = fully_qualified_name.split(":")
-  packaging = None
-  classifier = None
+    parts = fully_qualified_name.split(":")
+    packaging = None
+    classifier = None
 
-  if len(parts) == 3:
-    group_id, artifact_id, version = parts
-  elif len(parts) == 4:
-    group_id, artifact_id, version, packaging = parts
-  elif len(parts) == 5:
-    group_id, artifact_id, version, packaging, classifier = parts
-  else:
-    fail("Invalid fully qualified name for artifact: %s" % fully_qualified_name)
+    if len(parts) == 3:
+        group_id, artifact_id, version = parts
+    elif len(parts) == 4:
+        group_id, artifact_id, version, packaging = parts
+    elif len(parts) == 5:
+        group_id, artifact_id, version, packaging, classifier = parts
+    else:
+        fail("Invalid fully qualified name for artifact: %s" % fully_qualified_name)
 
-  return struct(
-      fully_qualified_name = fully_qualified_name,
-      group_id = group_id,
-      artifact_id = artifact_id,
-      packaging = packaging,
-      classifier = classifier,
-      version = version,
-  )
+    return struct(
+        fully_qualified_name = fully_qualified_name,
+        group_id = group_id,
+        artifact_id = artifact_id,
+        packaging = packaging,
+        classifier = classifier,
+        version = version,
+    )
 
 def _format_deps(attr, deps):
-  formatted_deps = ""
-  if deps:
-    if len(deps) == 1:
-      formatted_deps += "%s = [\'%s\']," % (attr, deps[0])
-    else:
-      formatted_deps += "%s = [\n" % attr
-      for dep in deps:
-        formatted_deps += "        \'%s\',\n" % dep
-      formatted_deps += "    ],"
-  return formatted_deps
+    formatted_deps = ""
+    if deps:
+        if len(deps) == 1:
+            formatted_deps += "%s = [\'%s\']," % (attr, deps[0])
+        else:
+            formatted_deps += "%s = [\n" % attr
+            for dep in deps:
+                formatted_deps += "        \'%s\',\n" % dep
+            formatted_deps += "    ],"
+    return formatted_deps
 
 def _generate_build_files(ctx, binjar, srcjar):
-  header = "# DO NOT EDIT: automatically generated BUILD file for maven_jar rule %s" % ctx.name
-  srcjar_attr = ""
-  if srcjar:
-    srcjar_attr = 'srcjar = "%s",' % srcjar
-  contents = """
+    header = "# DO NOT EDIT: automatically generated BUILD file for maven_jar rule %s" % ctx.name
+    srcjar_attr = ""
+    if srcjar:
+        srcjar_attr = 'srcjar = "%s",' % srcjar
+    contents = """
 {header}
 package(default_visibility = ['//visibility:public'])
 java_import(
@@ -86,22 +87,24 @@
     {deps}
     {exports}
 )
-\n""".format(srcjar_attr = srcjar_attr,
-             header = header,
-             binjar = binjar,
-             deps = _format_deps("deps", ctx.attr.deps),
-             exports = _format_deps("exports", ctx.attr.exports))
-  if srcjar:
-    contents += """
+\n""".format(
+        srcjar_attr = srcjar_attr,
+        header = header,
+        binjar = binjar,
+        deps = _format_deps("deps", ctx.attr.deps),
+        exports = _format_deps("exports", ctx.attr.exports),
+    )
+    if srcjar:
+        contents += """
 java_import(
     name = 'src',
     jars = ['{srcjar}'],
 )
 """.format(srcjar = srcjar)
-  ctx.file('%s/BUILD' % ctx.path("jar"), contents, False)
+    ctx.file("%s/BUILD" % ctx.path("jar"), contents, False)
 
-  # Compatibility layer for java_import_external from rules_closure
-  contents = """
+    # Compatibility layer for java_import_external from rules_closure
+    contents = """
 {header}
 package(default_visibility = ['//visibility:public'])
 
@@ -110,52 +113,53 @@
     actual = "@{rule_name}//jar",
 )
 \n""".format(rule_name = ctx.name, header = header)
-  ctx.file("BUILD", contents, False)
+    ctx.file("BUILD", contents, False)
 
 def _maven_jar_impl(ctx):
-  """rule to download a Maven archive."""
-  coordinates = _create_coordinates(ctx.attr.artifact)
+    """rule to download a Maven archive."""
+    coordinates = _create_coordinates(ctx.attr.artifact)
 
-  name = ctx.name
-  sha1 = ctx.attr.sha1
+    name = ctx.name
+    sha1 = ctx.attr.sha1
 
-  parts = ctx.attr.artifact.split(':')
-  # TODO(davido): Only releases for now, implement handling snapshots
-  jar, url = _maven_release(ctx, parts)
+    parts = ctx.attr.artifact.split(":")
 
-  binjar = jar + '.jar'
-  binjar_path = ctx.path('/'.join(['jar', binjar]))
-  binurl = url + '.jar'
+    # TODO(davido): Only releases for now, implement handling snapshots
+    jar, url = _maven_release(ctx, parts)
 
-  python = ctx.which("python")
-  script = ctx.path(ctx.attr._download_script)
+    binjar = jar + ".jar"
+    binjar_path = ctx.path("/".join(["jar", binjar]))
+    binurl = url + ".jar"
 
-  args = [python, script, "-o", binjar_path, "-u", binurl]
-  if ctx.attr.sha1:
-    args.extend(["-v", sha1])
-  if ctx.attr.unsign:
-    args.append('--unsign')
-  for x in ctx.attr.exclude:
-    args.extend(['-x', x])
+    python = ctx.which("python")
+    script = ctx.path(ctx.attr._download_script)
 
-  out = ctx.execute(args)
+    args = [python, script, "-o", binjar_path, "-u", binurl]
+    if ctx.attr.sha1:
+        args.extend(["-v", sha1])
+    if ctx.attr.unsign:
+        args.append("--unsign")
+    for x in ctx.attr.exclude:
+        args.extend(["-x", x])
 
-  if out.return_code:
-    fail("failed %s: %s" % (' '.join(args), out.stderr))
-
-  srcjar = None
-  if ctx.attr.src_sha1 or ctx.attr.attach_source:
-    srcjar = jar + '-src.jar'
-    srcurl = url + '-sources.jar'
-    srcjar_path = ctx.path('jar/' + srcjar)
-    args = [python, script, "-o", srcjar_path, "-u", srcurl]
-    if ctx.attr.src_sha1:
-      args.extend(['-v', ctx.attr.src_sha1])
     out = ctx.execute(args)
-    if out.return_code:
-      fail("failed %s: %s" % (args, out.stderr))
 
-  _generate_build_files(ctx, binjar, srcjar)
+    if out.return_code:
+        fail("failed %s: %s" % (" ".join(args), out.stderr))
+
+    srcjar = None
+    if ctx.attr.src_sha1 or ctx.attr.attach_source:
+        srcjar = jar + "-src.jar"
+        srcurl = url + "-sources.jar"
+        srcjar_path = ctx.path("jar/" + srcjar)
+        args = [python, script, "-o", srcjar_path, "-u", srcurl]
+        if ctx.attr.src_sha1:
+            args.extend(["-v", ctx.attr.src_sha1])
+        out = ctx.execute(args)
+        if out.return_code:
+            fail("failed %s: %s" % (args, out.stderr))
+
+    _generate_build_files(ctx, binjar, srcjar)
 
 maven_jar = repository_rule(
     attrs = {
diff --git a/tools/bzl/pkg_war.bzl b/tools/bzl/pkg_war.bzl
index 46a4f9b..1a376e9 100644
--- a/tools/bzl/pkg_war.bzl
+++ b/tools/bzl/pkg_war.bzl
@@ -32,93 +32,93 @@
 ]
 
 def _add_context(in_file, output):
-  input_path = in_file.path
-  return [
-    'unzip -qd %s %s' % (output, input_path)
-  ]
+    input_path = in_file.path
+    return [
+        "unzip -qd %s %s" % (output, input_path),
+    ]
 
 def _add_file(in_file, output):
-  output_path = output
-  input_path = in_file.path
-  short_path = in_file.short_path
-  n = in_file.basename
+    output_path = output
+    input_path = in_file.path
+    short_path = in_file.short_path
+    n = in_file.basename
 
-  if short_path.startswith('gerrit-'):
-    n = short_path.split('/')[0] + '-' + n
-  elif short_path.startswith('java/'):
-    n = short_path[5:].replace('/', '_')
-  output_path += n
-  return [
-    'test -L %s || ln -s $(pwd)/%s %s' % (output_path, input_path, output_path)
-  ]
+    if short_path.startswith("gerrit-"):
+        n = short_path.split("/")[0] + "-" + n
+    elif short_path.startswith("java/"):
+        n = short_path[5:].replace("/", "_")
+    output_path += n
+    return [
+        "test -L %s || ln -s $(pwd)/%s %s" % (output_path, input_path, output_path),
+    ]
 
 def _make_war(input_dir, output):
-  return '(%s)' % ' && '.join([
-    'root=$(pwd)',
-    'TZ=UTC',
-    'export TZ',
-    'cd %s' % input_dir,
-    "find . -exec touch -t 198001010000 '{}' ';' 2> /dev/null",
-    'zip -X -9qr ${root}/%s .' % (output.path),
-  ])
+    return "(%s)" % " && ".join([
+        "root=$(pwd)",
+        "TZ=UTC",
+        "export TZ",
+        "cd %s" % input_dir,
+        "find . -exec touch -t 198001010000 '{}' ';' 2> /dev/null",
+        "zip -X -9qr ${root}/%s ." % (output.path),
+    ])
 
 def _war_impl(ctx):
-  war = ctx.outputs.war
-  build_output = war.path + '.build_output'
-  inputs = []
+    war = ctx.outputs.war
+    build_output = war.path + ".build_output"
+    inputs = []
 
-  # Create war layout
-  cmd = [
-    'set -e;rm -rf ' + build_output,
-    'mkdir -p ' + build_output,
-    'mkdir -p %s/WEB-INF/lib' % build_output,
-    'mkdir -p %s/WEB-INF/pgm-lib' % build_output,
-  ]
+    # Create war layout
+    cmd = [
+        "set -e;rm -rf " + build_output,
+        "mkdir -p " + build_output,
+        "mkdir -p %s/WEB-INF/lib" % build_output,
+        "mkdir -p %s/WEB-INF/pgm-lib" % build_output,
+    ]
 
-  # Add lib
-  transitive_lib_deps = depset()
-  for l in ctx.attr.libs:
-    if hasattr(l, 'java'):
-      transitive_lib_deps += l.java.transitive_runtime_deps
-    elif hasattr(l, 'files'):
-      transitive_lib_deps += l.files
+    # Add lib
+    transitive_lib_deps = depset()
+    for l in ctx.attr.libs:
+        if hasattr(l, "java"):
+            transitive_lib_deps += l.java.transitive_runtime_deps
+        elif hasattr(l, "files"):
+            transitive_lib_deps += l.files
 
-  for dep in transitive_lib_deps:
-    cmd += _add_file(dep, build_output + '/WEB-INF/lib/')
-    inputs.append(dep)
+    for dep in transitive_lib_deps:
+        cmd += _add_file(dep, build_output + "/WEB-INF/lib/")
+        inputs.append(dep)
 
-  # Add pgm lib
-  transitive_pgmlib_deps = depset()
-  for l in ctx.attr.pgmlibs:
-    transitive_pgmlib_deps += l.java.transitive_runtime_deps
+    # Add pgm lib
+    transitive_pgmlib_deps = depset()
+    for l in ctx.attr.pgmlibs:
+        transitive_pgmlib_deps += l.java.transitive_runtime_deps
 
-  for dep in transitive_pgmlib_deps:
-    if dep not in inputs:
-      cmd += _add_file(dep, build_output + '/WEB-INF/pgm-lib/')
-      inputs.append(dep)
+    for dep in transitive_pgmlib_deps:
+        if dep not in inputs:
+            cmd += _add_file(dep, build_output + "/WEB-INF/pgm-lib/")
+            inputs.append(dep)
 
-  # Add context
-  transitive_context_deps = depset()
-  if ctx.attr.context:
-    for jar in ctx.attr.context:
-      if hasattr(jar, 'java'):
-        transitive_context_deps += jar.java.transitive_runtime_deps
-      elif hasattr(jar, 'files'):
-        transitive_context_deps += jar.files
-  for dep in transitive_context_deps:
-    cmd += _add_context(dep, build_output)
-    inputs.append(dep)
+    # Add context
+    transitive_context_deps = depset()
+    if ctx.attr.context:
+        for jar in ctx.attr.context:
+            if hasattr(jar, "java"):
+                transitive_context_deps += jar.java.transitive_runtime_deps
+            elif hasattr(jar, "files"):
+                transitive_context_deps += jar.files
+    for dep in transitive_context_deps:
+        cmd += _add_context(dep, build_output)
+        inputs.append(dep)
 
-  # Add zip war
-  cmd.append(_make_war(build_output, war))
+    # Add zip war
+    cmd.append(_make_war(build_output, war))
 
-  ctx.actions.run_shell(
-    inputs = inputs,
-    outputs = [war],
-    mnemonic = 'WAR',
-    command = '\n'.join(cmd),
-    use_default_shell_env = True,
-  )
+    ctx.actions.run_shell(
+        inputs = inputs,
+        outputs = [war],
+        mnemonic = "WAR",
+        command = "\n".join(cmd),
+        use_default_shell_env = True,
+    )
 
 # context: go to the root directory
 # libs: go to the WEB-INF/lib directory
@@ -133,25 +133,25 @@
     implementation = _war_impl,
 )
 
-def pkg_war(name, ui = 'ui_optdbg', context = [], doc = False, **kwargs):
-  doc_ctx = []
-  doc_lib = []
-  ui_deps = []
-  if ui == 'polygerrit' or ui == 'ui_optdbg' or ui == 'ui_optdbg_r':
-    ui_deps.append('//polygerrit-ui/app:polygerrit_ui')
-  if ui and ui != 'polygerrit':
-    ui_deps.append('//gerrit-gwtui:%s' % ui)
-  if doc:
-    doc_ctx.append('//Documentation:html')
-    doc_lib.append('//Documentation:index')
+def pkg_war(name, ui = "ui_optdbg", context = [], doc = False, **kwargs):
+    doc_ctx = []
+    doc_lib = []
+    ui_deps = []
+    if ui == "polygerrit" or ui == "ui_optdbg" or ui == "ui_optdbg_r":
+        ui_deps.append("//polygerrit-ui/app:polygerrit_ui")
+    if ui and ui != "polygerrit":
+        ui_deps.append("//gerrit-gwtui:%s" % ui)
+    if doc:
+        doc_ctx.append("//Documentation:html")
+        doc_lib.append("//Documentation:index")
 
-  _pkg_war(
-    name = name,
-    libs = LIBS + doc_lib,
-    pgmlibs = PGMLIBS,
-    context = doc_ctx + context + ui_deps + [
-      '//java:gerrit-main-class_deploy.jar',
-      '//webapp:assets',
-    ],
-    **kwargs
-  )
+    _pkg_war(
+        name = name,
+        libs = LIBS + doc_lib,
+        pgmlibs = PGMLIBS,
+        context = doc_ctx + context + ui_deps + [
+            "//java:gerrit-main-class_deploy.jar",
+            "//webapp:assets",
+        ],
+        **kwargs
+    )
diff --git a/tools/bzl/plugin.bzl b/tools/bzl/plugin.bzl
index 23f88df..5ae7dd9 100644
--- a/tools/bzl/plugin.bzl
+++ b/tools/bzl/plugin.bzl
@@ -1,11 +1,11 @@
 load("//tools/bzl:genrule2.bzl", "genrule2")
 load(
     "//tools/bzl:gwt.bzl",
+    "GWT_COMPILER_ARGS",
+    "GWT_JVM_ARGS",
     "GWT_PLUGIN_DEPS",
     "GWT_PLUGIN_DEPS_NEVERLINK",
     "GWT_TRANSITIVE_DEPS",
-    "GWT_COMPILER_ARGS",
-    "GWT_JVM_ARGS",
     "gwt_binary",
 )
 
@@ -21,82 +21,84 @@
 ]
 
 def gerrit_plugin(
-    name,
-    deps = [],
-    provided_deps = [],
-    srcs = [],
-    gwt_module = [],
-    resources = [],
-    manifest_entries = [],
-    dir_name = None,
-    target_suffix = "",
-    **kwargs):
-  native.java_library(
-    name = name + '__plugin',
-    srcs = srcs,
-    resources = resources,
-    deps = provided_deps + deps + GWT_PLUGIN_DEPS_NEVERLINK + PLUGIN_DEPS_NEVERLINK,
-    visibility = ['//visibility:public'],
-    **kwargs
-  )
-
-  static_jars = []
-  if gwt_module:
-    static_jars = [':%s-static' % name]
-
-  if not dir_name:
-    dir_name = name
-
-  native.java_binary(
-    name = '%s__non_stamped' % name,
-    deploy_manifest_lines = manifest_entries + ["Gerrit-ApiType: plugin"],
-    main_class = 'Dummy',
-    runtime_deps = [
-      ':%s__plugin' % name,
-    ] + static_jars,
-    visibility = ['//visibility:public'],
-    **kwargs
-  )
-
-  if gwt_module:
+        name,
+        deps = [],
+        provided_deps = [],
+        srcs = [],
+        gwt_module = [],
+        resources = [],
+        manifest_entries = [],
+        dir_name = None,
+        target_suffix = "",
+        **kwargs):
     native.java_library(
-      name = name + '__gwt_module',
-      resources = depset(srcs + resources).to_list(),
-      runtime_deps = deps + GWT_PLUGIN_DEPS,
-      visibility = ['//visibility:public'],
-      **kwargs
-    )
-    genrule2(
-      name = '%s-static' % name,
-      cmd = ' && '.join([
-        'mkdir -p $$TMP/static',
-        'unzip -qd $$TMP/static $(location %s__gwt_application)' % name,
-        'cd $$TMP',
-        'zip -qr $$ROOT/$@ .']),
-      tools = [':%s__gwt_application' % name],
-      outs = ['%s-static.jar' % name],
-    )
-    gwt_binary(
-      name = name + '__gwt_application',
-      module = [gwt_module],
-      deps = GWT_PLUGIN_DEPS + GWT_TRANSITIVE_DEPS + ['//lib/gwt:dev'],
-      module_deps = [':%s__gwt_module' % name],
-      compiler_args = GWT_COMPILER_ARGS,
-      jvm_args = GWT_JVM_ARGS,
+        name = name + "__plugin",
+        srcs = srcs,
+        resources = resources,
+        deps = provided_deps + deps + GWT_PLUGIN_DEPS_NEVERLINK + PLUGIN_DEPS_NEVERLINK,
+        visibility = ["//visibility:public"],
+        **kwargs
     )
 
-  # TODO(davido): Remove manual merge of manifest file when this feature
-  # request is implemented: https://github.com/bazelbuild/bazel/issues/2009
-  genrule2(
-    name = name + target_suffix,
-    stamp = 1,
-    srcs = ['%s__non_stamped_deploy.jar' % name],
-    cmd = " && ".join([
-      "GEN_VERSION=$$(cat bazel-out/stable-status.txt | grep -w STABLE_BUILD_%s_LABEL | cut -d ' ' -f 2)" % dir_name.upper(),
-      "cd $$TMP",
-      "unzip -q $$ROOT/$<",
-      "echo \"Implementation-Version: $$GEN_VERSION\n$$(cat META-INF/MANIFEST.MF)\" > META-INF/MANIFEST.MF",
-      "zip -qr $$ROOT/$@ ."]),
-    outs = ['%s%s.jar' % (name, target_suffix)],
-    visibility = ['//visibility:public'],
-  )
+    static_jars = []
+    if gwt_module:
+        static_jars = [":%s-static" % name]
+
+    if not dir_name:
+        dir_name = name
+
+    native.java_binary(
+        name = "%s__non_stamped" % name,
+        deploy_manifest_lines = manifest_entries + ["Gerrit-ApiType: plugin"],
+        main_class = "Dummy",
+        runtime_deps = [
+            ":%s__plugin" % name,
+        ] + static_jars,
+        visibility = ["//visibility:public"],
+        **kwargs
+    )
+
+    if gwt_module:
+        native.java_library(
+            name = name + "__gwt_module",
+            resources = depset(srcs + resources).to_list(),
+            runtime_deps = deps + GWT_PLUGIN_DEPS,
+            visibility = ["//visibility:public"],
+            **kwargs
+        )
+        genrule2(
+            name = "%s-static" % name,
+            cmd = " && ".join([
+                "mkdir -p $$TMP/static",
+                "unzip -qd $$TMP/static $(location %s__gwt_application)" % name,
+                "cd $$TMP",
+                "zip -qr $$ROOT/$@ .",
+            ]),
+            tools = [":%s__gwt_application" % name],
+            outs = ["%s-static.jar" % name],
+        )
+        gwt_binary(
+            name = name + "__gwt_application",
+            module = [gwt_module],
+            deps = GWT_PLUGIN_DEPS + GWT_TRANSITIVE_DEPS + ["//lib/gwt:dev"],
+            module_deps = [":%s__gwt_module" % name],
+            compiler_args = GWT_COMPILER_ARGS,
+            jvm_args = GWT_JVM_ARGS,
+        )
+
+    # TODO(davido): Remove manual merge of manifest file when this feature
+    # request is implemented: https://github.com/bazelbuild/bazel/issues/2009
+    genrule2(
+        name = name + target_suffix,
+        stamp = 1,
+        srcs = ["%s__non_stamped_deploy.jar" % name],
+        cmd = " && ".join([
+            "GEN_VERSION=$$(cat bazel-out/stable-status.txt | grep -w STABLE_BUILD_%s_LABEL | cut -d ' ' -f 2)" % dir_name.upper(),
+            "cd $$TMP",
+            "unzip -q $$ROOT/$<",
+            "echo \"Implementation-Version: $$GEN_VERSION\n$$(cat META-INF/MANIFEST.MF)\" > META-INF/MANIFEST.MF",
+            "zip -qr $$ROOT/$@ .",
+        ]),
+        outs = ["%s%s.jar" % (name, target_suffix)],
+        visibility = ["//visibility:public"],
+    )
diff --git a/tools/maven/package.bzl b/tools/maven/package.bzl
index 3c32bb2..5b497f8 100644
--- a/tools/maven/package.bzl
+++ b/tools/maven/package.bzl
@@ -25,73 +25,86 @@
 ]))
 
 def maven_package(
-    version,
-    repository = None,
-    url = None,
-    jar = {},
-    src = {},
-    doc = {},
-    war = {}):
+        version,
+        repository = None,
+        url = None,
+        jar = {},
+        src = {},
+        doc = {},
+        war = {}):
+    build_cmd = ["bazel", "build"]
+    mvn_cmd = ["python", "tools/maven/mvn.py", "-v", version]
+    api_cmd = mvn_cmd[:]
+    api_targets = []
+    for type, d in [("jar", jar), ("java-source", src), ("javadoc", doc)]:
+        for a, t in sorted(d.items()):
+            api_cmd.append("-s %s:%s:$(location %s)" % (a, type, t))
+            api_targets.append(t)
 
-  build_cmd = ['bazel', 'build']
-  mvn_cmd = ['python', 'tools/maven/mvn.py', '-v', version]
-  api_cmd = mvn_cmd[:]
-  api_targets = []
-  for type,d in [('jar', jar), ('java-source', src), ('javadoc', doc)]:
-    for a,t in sorted(d.items()):
-      api_cmd.append('-s %s:%s:$(location %s)' % (a,type,t))
-      api_targets.append(t)
-
-  native.genrule(
-    name = 'gen_api_install',
-    cmd = sh_bang_template % (
-      ' '.join(build_cmd + api_targets),
-      ' '.join(api_cmd + ['-a', 'install'])),
-    srcs = api_targets,
-    outs = ['api_install.sh'],
-    executable = True,
-    testonly = 1,
-  )
-
-  if repository and url:
     native.genrule(
-      name = 'gen_api_deploy',
-      cmd = sh_bang_template % (
-        ' '.join(build_cmd + api_targets),
-        ' '.join(api_cmd + ['-a', 'deploy',
-                            '--repository', repository,
-                            '--url', url])),
-      srcs = api_targets,
-      outs = ['api_deploy.sh'],
-      executable = True,
-      testonly = 1,
+        name = "gen_api_install",
+        cmd = sh_bang_template % (
+            " ".join(build_cmd + api_targets),
+            " ".join(api_cmd + ["-a", "install"]),
+        ),
+        srcs = api_targets,
+        outs = ["api_install.sh"],
+        executable = True,
+        testonly = 1,
     )
 
-  war_cmd = mvn_cmd[:]
-  war_targets = []
-  for a,t in sorted(war.items()):
-    war_cmd.append('-s %s:war:$(location %s)' % (a,t))
-    war_targets.append(t)
+    if repository and url:
+        native.genrule(
+            name = "gen_api_deploy",
+            cmd = sh_bang_template % (
+                " ".join(build_cmd + api_targets),
+                " ".join(api_cmd + [
+                    "-a",
+                    "deploy",
+                    "--repository",
+                    repository,
+                    "--url",
+                    url,
+                ]),
+            ),
+            srcs = api_targets,
+            outs = ["api_deploy.sh"],
+            executable = True,
+            testonly = 1,
+        )
 
-  native.genrule(
-    name = 'gen_war_install',
-    cmd = sh_bang_template % (' '.join(build_cmd + war_targets),
-                              ' '.join(war_cmd + ['-a', 'install'])),
-    srcs = war_targets,
-    outs = ['war_install.sh'],
-    executable = True,
-  )
+    war_cmd = mvn_cmd[:]
+    war_targets = []
+    for a, t in sorted(war.items()):
+        war_cmd.append("-s %s:war:$(location %s)" % (a, t))
+        war_targets.append(t)
 
-  if repository and url:
     native.genrule(
-      name = 'gen_war_deploy',
-      cmd = sh_bang_template % (
-          ' '.join(build_cmd + war_targets),
-          ' '.join(war_cmd + [
-        '-a', 'deploy',
-        '--repository', repository,
-        '--url', url])),
-      srcs = war_targets,
-      outs = ['war_deploy.sh'],
-      executable = True,
+        name = "gen_war_install",
+        cmd = sh_bang_template % (
+            " ".join(build_cmd + war_targets),
+            " ".join(war_cmd + ["-a", "install"]),
+        ),
+        srcs = war_targets,
+        outs = ["war_install.sh"],
+        executable = True,
     )
+
+    if repository and url:
+        native.genrule(
+            name = "gen_war_deploy",
+            cmd = sh_bang_template % (
+                " ".join(build_cmd + war_targets),
+                " ".join(war_cmd + [
+                    "-a",
+                    "deploy",
+                    "--repository",
+                    repository,
+                    "--url",
+                    url,
+                ]),
+            ),
+            srcs = war_targets,
+            outs = ["war_deploy.sh"],
+            executable = True,
+        )