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#!/bin/sh
# update-copyright - Simple tool to update the Copyright lines
# in all files checked into git
#
# Copyright (C) 2018-2022 OpenVPN Inc
# Copyright (C) 2018-2022 David Sommerseth <davids@openvpn.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License Version 3
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program in the COPYING file.
# If not, see <http://www.gnu.org/licenses/>.
#
# Basic shell sanity
set -eu
# Simple argument control
if [ $# -ne 1 ]; then
echo "Usage: $0 <New Copyright Year>"
exit 1
fi
# Only update Copyright lines with these owners
# The 'or' operator is GNU sed specific, and must be \|
UPDATE_COPYRIGHT_LINES="OpenVPN Inc\|@openvpn\.net\\|unstable\.cc\|gmail\.com\|@fox-it\.com"
COPY_YEAR="$1"
cd "$(git rev-parse --show-toplevel)"
for file in $(git ls-files | grep -v deps/);
do
echo -n "Updating $file ..."
# The first sed operation covers 20xx-20yy copyright lines,
# The second sed operation changes 20xx -> 20xx-20yy
sed -e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) 20..-\)\(20..\)[[:blank:]]\+/\1$COPY_YEAR /" \
-e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) \)\(20..\)[[:blank:]]\+/\1\2-$COPY_YEAR /" \
-e "/$UPDATE_COPYRIGHT_LINES/s/\(Copyright (C) $COPY_YEAR\)\(-$COPY_YEAR\)[[:blank:]]\+/\1 /" \
-i $file
echo " Done"
done
echo
echo "** All files updated with $COPY_YEAR as the ending copyright year"
echo
exit 0
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