Create sync-projects.sh script

This is our hook from the propose_update.sh script. It is also
dependant on the following features upstream:

  https://github.com/puppet-community/modulesync/pull/53
  https://github.com/puppet-community/modulesync/pull/54

Change-Id: I8b9e7edd564e55eaba8ed95294bd185f0fe2a585
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

.gitignore

@@ -1,3 +1,4 @@
+.bundled_gems/
 modules/
 Gemfile.lock
 *.swp

Gemfile

@@ -0,0 +1,5 @@
+source 'https://rubygems.org'
+
+gem 'modulesync', '>=0.6.0'
+
+# vim:ft=ruby

tools/sync-projects.sh

@@ -0,0 +1,37 @@
+# Copyright 2015 Red Hat, Inc.
+#
+# 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.
+
+PROJECT=$1
+
+if [ -z $GEM_HOME ]; then
+    echo "Warning! \$GEM_HOME is not set"
+    echo ""
+    echo "In order to properly use this script, please run the"
+    echo "following:"
+    echo ""
+    echo "  $ export GEM_HOME=\`pwd\`/.bundled_gems"
+    exit 1
+fi
+
+BUNDLE=${GEM_HOME}/bin/bundle
+
+if ! [ -f ${BUNDLE} ]; then
+    echo "Warning! bundler is not installed"
+    echo ""
+    echo "Please run the following to install bundler:"
+    echo "  $ gem install bundler"
+    exit 1
+fi
+
+${GEM_HOME}/bin/msync update --project-root=`pwd` --filter $PROJECT --offline