Added a sync between github and gerrit
Change-Id: I3f05169d1f4ff57a503ec76ab3ac8acdf26a1d57
diff --git a/gerrit-github-sync/gerrit-github-sync.sh b/gerrit-github-sync/gerrit-github-sync.sh
new file mode 100644
index 0000000..205d4d3
--- /dev/null
+++ b/gerrit-github-sync/gerrit-github-sync.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+#
+# Copyright 2015 Google Inc. All rights reserved.
+#
+# 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.
+
+# Scripts to configure the service that will poll git repositories for
+# in sync check.
+
+# Format of each entry is:
+# origin destination local-name branch1 ... branchN
+REPOSITORIES=(
+ "https://bazel.googlesource.com/bazel git@github.com:bazelbuild/bazel.git bazel master gh-pages"
+)
+
+# Install certificates
+(cd /usr/share/ca-certificates && find -type f -name '*.crt' \
+ | sed -e 's|^\./||') > /etc/ca-certificates.conf
+update-ca-certificates
+
+# Set-up deploy keys
+mkdir -p ~/.ssh
+cat >~/.ssh/config <<'EOF'
+Host github.com
+ Hostname github.com
+ User git
+ IdentityFile /opt/secrets/github_id_rsa
+ IdentitiesOnly yes
+ StrictHostKeyChecking no
+EOF
+
+set -eux
+
+cd /tmp
+
+function clone() {
+ git clone $1 $3
+ pushd $3
+ git remote add destination $2
+ popd
+}
+
+function sync() {
+ pushd $3
+ shift 3
+ git fetch origin
+ git fetch destination
+ for branch in "$@"; do
+ git checkout origin/${branch} -B ${branch} && git push destination ${branch}
+ done
+ popd
+}
+
+# Get a local clone
+for i in "${REPOSITORIES[@]}"; do
+ clone $i
+done
+
+# Sync loop
+while true; do
+ for i in "${REPOSITORIES[@]}"; do
+ sync $i
+ done
+ # Sleep 30 seconds between each sync
+ sleep 30
+done
