#!/bin/bash -xe

# 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.

source /usr/local/jenkins/slave_scripts/common.sh

PROJECT=$1
INITIAL_COMMIT_MSG="Updating sample configuration file"
USERNAME="proposal-bot"
TOPIC="$PROJECT/genconf"
SUCCESS=0

setup_git

# Function setup_commit_message will set CHANGE_ID if a change
# exists and will always set COMMIT_MSG.
# Note, ZUUL_REFNAME always exists and is the branch name, for example, it
# may be master or stable/liberty
setup_commit_message $PROJECT $USERNAME $ZUUL_REFNAME $TOPIC "$INITIAL_COMMIT_MSG"

# Function check_already_approved will quit the proposal process if there
# is already an approved job with the same CHANGE_ID
check_already_approved $CHANGE_ID


tox -e genconfig
RET=$?
if [ "$RET" -ne "0" ] ; then
    SUCCESS=1
    echo "Error in generating sample config for $PROJECT"
    exit 1
fi

if ! git diff --stat --exit-code HEAD ; then
    # Commit and review
    echo "changes in config file found for $PROJECT"
    git_args="-a -F-"
    git commit $git_args <<EOF
$COMMIT_MSG
EOF
    OUTPUT=$(git review -t $TOPIC $ZUUL_REFNAME)
    RET=$?
    [[ "$RET" -eq "0" || "$OUTPUT" =~ "no new changes" || "$OUTPUT" =~ "no changes made" ]]
    SUCCESS=$?
fi

exit $SUCCESS