#!/bin/bash

# Copyright 2014 The Kubernetes Authors.
#
# 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 -o errexit
set -o nounset
set -o pipefail

# This script is intended to be used via subtree in a top-level directory:
# <repo>/
#  repo-infra/
#    verify/

REPO_ROOT=$(dirname "${BASH_SOURCE}")/../../..

boilerDir="${REPO_ROOT}/hack/repo-infra/verify/boilerplate"
boiler="${boilerDir}/boilerplate.py"

files_need_boilerplate=($(${boiler} --rootdir=${REPO_ROOT}))

# Run boilerplate.py unit tests
unitTestOut="$(mktemp)"
trap cleanup EXIT
cleanup() {
	rm "${unitTestOut}"
}

pushd "${boilerDir}" >/dev/null
if ! python -m unittest boilerplate_test 2>"${unitTestOut}"; then
	echo "boilerplate_test.py failed"
	echo
	cat "${unitTestOut}"
	exit 1
fi
popd >/dev/null

# Run boilerplate check
if [[ ${#files_need_boilerplate[@]} -gt 0 ]]; then
  for file in "${files_need_boilerplate[@]}"; do
    echo "Boilerplate header is wrong for: ${file}"
  done

  exit 1
fi
