#!/bin/bash
#
# Script to update the zuul python3 jobs on master branch when a
# new series is created.
#
# 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 -ex

if [[ $# -lt 3 ]]; then
    echo "Usage: $0 oldseries newseriesname repo_dir"
    echo
    echo "Example: $0 stein train openstack/oslo.config"
    exit 2
fi

OLDSERIES=$1
SERIES=$2
REPO=$3
TOOLSDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# We only want the series name, make sure if a branch name is passed in that we
# strip out the part we don't want
OLDSERIES=${OLDSERIES/stable\//}

cd $REPO

commit_msg="Add Python3 ${SERIES} unit tests

This is an automatically generated patch to ensure unit testing
is in place for all the of the tested runtimes for ${SERIES}.

See also the PTI in governance [1].

[1]: https://governance.openstack.org/tc/reference/project-testing-interface.html
"

git checkout master
# Find the appropriate files
fnames=$(find . -type f -path '*zuul.d/*'; find . -type f -name '*zuul.yaml')
for fname in $fnames; do
    echo "Checking ${fname}"
    sed -i -e \
        "s/openstack-python3-${OLDSERIES}-jobs/openstack-python3-${SERIES}-jobs/g" \
        $fname
done

# Only submit patch if files were changed
changes=$(git diff-index --name-only HEAD -- | grep zuul)
if [ -n "$changes" ]; then
    git checkout -b add-${SERIES}-python-jobtemplates

    # Add only the files we modified
    for file in $changes; do
        git add $file
    done
    git clean -f

    git diff --cached
    git commit -m "$commit_msg" || true
    git show
    git review --yes -f || true
fi