get-upstream-commit.sh

#!/bin/bash
# Copyright 2014 Cloudera, 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.
#
# Script which tries to determine the most recent git hash in the current
# branch which was checked in by gerrit. This commit hash is printed to
# stdout.
#
# It does so by looking for the verification signoff from Jenkins.  This is
# more foolproof than trying to guess at the "origin/" branch name, since the
# developer might be working on some local topic branch.
set -e

git log --grep='Tested-by: jenkins' -n1 --pretty=format:%H