update-copyright.sh

#!/usr/bin/env bash
#
#  Copyright 2020-2024 Zeek-Kafka
#
#  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 -u # nounset
set -e # errexit
set -E # errtrap
set -o pipefail

DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
MISSING_COPYRIGHT=$(find "${DIR}" \( -path "${DIR}/.git" -or \
	-path "${DIR}/.github" \) -prune -false -or \
	\( -not -name ".*" \
	-and -not -name "*.yml" \
	-and -not -name "*.pcap" \
	-and -not -name "*.pcapng" \
	-and -not -name "COPYING" \
	-and -not -name "Dockerfile" \
	-and -not -name "Pipfile*" \
	-and -not -name "output" \
	-and -not -name "random.seed" \
	-and -not -name "requirements*.txt" \
	-and -not -name "setup.cfg" \
	-and -not -name "zkg.meta" \
	-type f \
	\) \
	-print0 |
	xargs -0 grep --files-without-match "Copyright 2020-$(date +'%Y') Zeek-Kafka$" || true)

if [[ "${MISSING_COPYRIGHT}" ]]; then
	REPLACEMENT="Copyright 2020-$(date +'%Y')"
	while IFS= read -r line; do
		echo "Updating $line ..."
		if [[ $OSTYPE == 'darwin'* ]]; then
			sed -i '' "s/Copyright 2020-202[0-9]/$REPLACEMENT/" "${line}"
		else
			sed -i "s/Copyright 2020-202[0-9]/$REPLACEMENT/" "${line}"
		fi
	done <<<"${MISSING_COPYRIGHT}"
	exit 1
fi