#!/bin/bash

# Copyright 2014 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.

set -ev

#########################################

# Settings for specific wheels project. #

#########################################

WHEELS_PROJECT_NAME="gcloud-python-wheels"

# "gcloud-python-wheels" is already used by .travis.yml

FRESH_REPO_DIR="gcloud-python-wheels-fresh"

###################################

# Checkout the wheels repository. #

###################################

git config --global user.email "travis@travis-ci.org"

git config --global user.name "travis-ci"

git clone --quiet --branch=master \

"https://${GH_OAUTH_TOKEN}@github.com//${GH_OWNER}/${WHEELS_PROJECT_NAME}" \

${FRESH_REPO_DIR}

# NOTE: Assumes ${GH_OAUTH_TOKEN} and ${GH_OWNER} are set in Travis build

# settings for project. This also assumes the wheels project is owned by

# ${GH_OWNER} and that the token can be used to make commits.

#################################################

# Add the current commit hash to a static file. #

#################################################

echo "${TRAVIS_COMMIT}" > ${FRESH_REPO_DIR}/LATEST_COMMIT

##############################################

# Display git status and push LATEST_COMMIT. #

##############################################

cd ${FRESH_REPO_DIR}

# allow "git add" to fail if there aren't new files.

# this can happen if we re-run builds on travis.

set +e

git add LATEST_COMMIT

set -e

git status

# H/T: https://github.com/dhermes

if [[ -n "$(git status --porcelain)" ]]; then

git commit -m "Main project gcloud-python has been updated."

git status

git push origin master

else

echo "Nothing to commit. Exiting without pushing changes."

fi