Add gerrit_plugin() bucklet
Allow to build Gerrit plugins outside of the Gerrit tree.
Change-Id: I1ab917c3c39546a4d9996e6e39264959e9226ebe
diff --git a/gerrit_plugin.bucklet b/gerrit_plugin.bucklet
new file mode 100644
index 0000000..e27acb8
--- /dev/null
+++ b/gerrit_plugin.bucklet
@@ -0,0 +1,124 @@
+# Copyright (C) 2014 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# This depends on gerrit-plugin-api and optionally
+# gerrit-plugin-gwtui (GWT module) and gwt-user libraries to be
+# available under:
+#
+# //lib/gerrit:plugin-api
+# //lib/gerrit:plugin-gwtui
+# //lib/gwt:user
+# //lib/gwt:dev
+#
+# To provide it maven_jar() or bucklet can be used in lib/gerrit/BUCK:
+#
+# include_defs('//bucklets/maven_jar.bucklet')
+#
+# VER = '2.10'
+#
+# maven_jar(
+# name = 'plugin-api',
+# id = 'com.google.gerrit:gerrit-plugin-api:' + VER',
+# )
+#
+# maven_jar(
+# name = 'plugin-gwtui',
+# id = 'com.google.gerrit:gerrit-plugin-gwtui:' + VER',
+# )
+#
+
+GWT_JVM_ARGS = ['-Xmx512m']
+
+GWT_COMPILER_ARGS = [
+ '-XdisableClassMetadata',
+ '-XdisableCastChecking',
+]
+
+GWT_PLUGIN_DEPS = [
+ '//lib/gerrit:gwtui-api',
+ '//lib/gwt:user',
+ '//lib/gwt:dev',
+]
+
+def gerrit_plugin(
+ name,
+ deps = [],
+ provided_deps = [],
+ srcs = [],
+ resources = [],
+ gwt_module = None,
+ manifest_entries = [],
+ type = 'plugin',
+ visibility = ['PUBLIC']):
+ from multiprocessing import cpu_count
+ mf_cmd = 'v=$(git describe --always HEAD) && '
+ mf_cmd += 'echo "Manifest-Version: 1.0" >$OUT && '
+ mf_cmd += 'echo "Gerrit-ApiType: %s" >>$OUT && ' % type
+ mf_cmd += 'echo "Implementation-Version: $v" >>$OUT && '
+ mf_cmd += 'echo "Implementation-Vendor: Gerrit Code Review" >>$OUT'
+ for line in manifest_entries:
+ line = line.replace('$', '\$')
+ mf_cmd += ' && echo "%s" >> $OUT' % line
+ genrule(
+ name = name + '__manifest',
+ cmd = mf_cmd,
+ out = 'MANIFEST.MF',
+ )
+ gwt_deps = []
+ static_jars = []
+ if gwt_module:
+ gwt_deps = GWT_PLUGIN_DEPS
+ static_jars = [':%s-static-jar' % name]
+ java_library(
+ name = name + '__plugin',
+ srcs = srcs,
+ resources = resources,
+ deps = deps,
+ provided_deps = ['//lib/gerrit:%s-api' % type] + provided_deps + gwt_deps,
+ visibility = ['PUBLIC'],
+ )
+ if gwt_module:
+ prebuilt_jar(
+ name = '%s-static-jar' % name,
+ binary_jar = ':%s-static' % name,
+ )
+ genrule(
+ name = '%s-static' % name,
+ cmd = 'mkdir -p $TMP/static' +
+ ';unzip -qd $TMP/static $(location %s)' %
+ ':%s__gwt_application' % name +
+ ';cd $TMP' +
+ ';zip -qr $OUT .',
+ out = '%s-static.zip' % name,
+ )
+ gwt_binary(
+ name = name + '__gwt_application',
+ modules = [gwt_module],
+ deps = gwt_deps,
+ module_deps = [':%s__plugin' % name],
+ local_workers = cpu_count(),
+ strict = True,
+ experimental_args = GWT_COMPILER_ARGS,
+ vm_args = GWT_JVM_ARGS,
+ )
+
+ java_binary(
+ name = name,
+ manifest_file = ':%s__manifest' % name,
+ merge_manifests = False,
+ deps = [
+ ':%s__plugin' % name,
+ ] + static_jars,
+ visibility = visibility,
+ )
