internal/kokoro/synth/synth.sh

#!/bin/bash

# Copyright 2020 Google LLC
#
# 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 -e -x

WORKING_BRANCH=synth-update

cd $(dirname $0)/../../..

should_create_pr=1
git checkout -b $WORKING_BRANCH || {
    # The branch already exists - assume there's an existing PR.
    unset should_create_pr;

    # Reset back to master
    git checkout $WORKING_BRANCH;
    git reset --hard origin/master;
}

pushd google-api-go-generator
make all
popd

if [[ -z "$(git status --porcelain)"]]; then
    echo "No changes today; exiting."
    exit 0;
fi

echo "Pushing changes"

commit_message="all: autogenerated update ($(date '+%Y-%m-%d'))"
git commit --all -m "$commit_message"

git push origin $WORKING_BRANCH:$WORKING_BRANCH -f

if [ "$should_create_pr" ]; then
    echo "Creating PR."
    go run ./sendpr -title "$commit_message"
fi