Add support for Bazel in Gerrit tree build

Change-Id: Ic4f3648f56f2349770e2b939706f88da5e5c5d3b

BUILD

diff --git a/BUILD b/BUILD
new file mode 100644
index 0000000..27591d3
--- /dev/null
+++ b/BUILD
@@ -0,0 +1,36 @@
+load("//tools/bzl:junit.bzl", "junit_tests")
+load(
+    "//tools/bzl:plugin.bzl",
+    "gerrit_plugin",
+    "PLUGIN_DEPS",
+    "PLUGIN_TEST_DEPS",
+)
+
+gerrit_plugin(
+    name = "its-bugzilla",
+    srcs = glob(["src/main/java/**/*.java"]),
+    resources = glob(["src/main/resources/**/*"]),
+    manifest_entries = [
+        "Gerrit-PluginName: its-bugzilla",
+        "Gerrit-Module: com.googlesource.gerrit.plugins.its.bugzilla.BugzillaModule",
+        "Gerrit-InitStep: com.googlesource.gerrit.plugins.its.bugzilla.InitBugzilla",
+        "Gerrit-ReloadMode: reload",
+        "Implementation-Title: Bugzilla ITS Plugin",
+        "Implementation-URL: https://www.wikimediafoundation.org",
+    ],
+    deps = [
+        "//plugins/its-base",
+        "//plugins/its-bugzilla/lib:j2bugzilla",
+    ],
+)
+
+junit_tests(
+    name = "its_bugzilla_tests",
+    srcs = glob(["src/test/java/**/*.java"]),
+    tags = ["its-bugzilla"],
+    deps = PLUGIN_DEPS + PLUGIN_TEST_DEPS + [
+        ":its-bugzilla__plugin",
+        "//plugins/its-base:its-base",
+        "//plugins/its-base:its-base_tests-utils",
+    ],
+)

external_plugin_deps.bzl

diff --git a/external_plugin_deps.bzl b/external_plugin_deps.bzl
new file mode 100644
index 0000000..c1e08a8
--- /dev/null
+++ b/external_plugin_deps.bzl
@@ -0,0 +1,32 @@
+load("//tools/bzl:maven_jar.bzl", "maven_jar")
+
+def external_plugin_deps():
+  maven_jar(
+    name = 'j2bugzilla',
+    artifact = 'com.j2bugzilla:j2bugzilla:2.2.1',
+    sha1 = '397e40c85bda1eb0a13bccf3cb7130d8f815290e',
+  )
+
+  maven_jar(
+    name = 'xmlrpc-client',
+    artifact = 'org.apache.xmlrpc:xmlrpc-client:3.1.3',
+    sha1 = 'e486ad917028b52265610206fb5a1e2b5914b94b',
+  )
+
+  maven_jar(
+    name = 'xmlrpc-common',
+    artifact = 'org.apache.xmlrpc:xmlrpc-common:3.1.3',
+    sha1 = '415daf1f1473a947452588906dc9f5b3575fb44d',
+  )
+
+  maven_jar(
+    name = 'ws-commons-util',
+    artifact = 'org.apache.ws.commons.util:ws-commons-util:1.0.2',
+    sha1 = '3f478e6def772c19d1053f61198fa1f6a6119238',
+  )
+
+  maven_jar(
+    name = 'xml-apis',
+    artifact = 'xml-apis:xml-apis:1.0.b2',
+    sha1 = '3136ca936f64c9d68529f048c2618bd356bf85c9',
+  )

lib/BUILD

diff --git a/lib/BUILD b/lib/BUILD
new file mode 100644
index 0000000..d518c52
--- /dev/null
+++ b/lib/BUILD
@@ -0,0 +1,30 @@
+package(default_visibility = ["//visibility:public"])
+
+java_library(
+  name = 'j2bugzilla',
+  runtime_deps = [':xmlrpc-client'],
+  exports = ["@j2bugzilla//jar"],
+)
+
+java_library(
+  name = 'xmlrpc-client',
+  runtime_deps = [':xmlrpc-common'],
+  exports = ["@xmlrpc-client//jar"],
+)
+
+java_library(
+  name = 'xmlrpc-common',
+  runtime_deps = [':ws-commons-util'],
+  exports = ["@xmlrpc-common//jar"],
+)
+
+java_library(
+  name = 'ws-commons-util',
+  runtime_deps = [':xml-apis'],
+  exports = ["@ws-commons-util//jar"],
+)
+
+java_library(
+  name = 'xml-apis',
+  exports = ["@xml-apis//jar"],
+)

src/main/resources/Documentation/build.md

diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index 6a40483..c8736df 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -1,16 +1,25 @@
 Build
 =====
 
-This @PLUGIN@ plugin is built with Buck.
+This @PLUGIN@ plugin is built with Bazel.
 
 Clone (or link) both this plugin and also
 [plugins/its-base](https://gerrit-review.googlesource.com/#/admin/projects/plugins/its-base)
 to the `plugins` directory of Gerrit's source tree.
 
+Put the external dependency Bazel build file into the Gerrit /plugins directory,
+replacing the existing empty one.
+
+```
+  cd gerrit/plugins
+  rm external_plugin_deps.bzl
+  ln -s @PLUGIN@/external_plugin_deps.bzl .
+```
+
 Then issue
 
 ```
-  buck build plugins/@PLUGIN@
+  bazel build plugins/@PLUGIN@
 ```
 
 in the root of Gerrit's source tree to build
@@ -18,10 +27,12 @@
 The output is created in
 
 ```
-  buck-out/gen/plugins/@PLUGIN@/@PLUGIN@.jar
+  bazel-genfiles/plugins/@PLUGIN@/@PLUGIN@.jar
 ```
 
-This project can be imported into the Eclipse IDE:
+This project can be imported into the Eclipse IDE.
+Add the plugin name to the `CUSTOM_PLUGINS` set in
+Gerrit core in `tools/bzl/plugins.bzl`, and execute:
 
 ```
   ./tools/eclipse/project.py
@@ -30,7 +41,7 @@
 To execute the tests run:
 
 ```
-  buck test --all --include @PLUGIN@
+  bazel test plugins/@PLUGIN@
 ```
 
 [Back to @PLUGIN@ documentation index][index]