#!/usr/bin/env bash
# Copyright 2021 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

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd -P)"
cd $REPO_ROOT

out="$(mktemp -d)/labels.md.expected"
./hack/make-rules/update/labels.sh "$out"

DIFF=$(diff label_sync/labels.md "$out" || true)
if [[ -n "$DIFF" ]]; then
    echo "< unexpected" >&2
    echo "> missing" >&2
    echo "${DIFF}" >&2
    echo "" >&2
    echo "ERROR: labels.md out of date. Fix with 'make update-labels'" >&2
    exit 1
fi
