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bind/util/check-trailing-whitespace.sh

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#!/bin/sh
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
trailing_whitespace="$(git grep -I -n '[[:space:]]$' -- ':!*/testdata/*')"
if [ -n "${trailing_whitespace}" ]; then
echo "The following occurrences of trailing whitespace characters were found:"
echo
echo "${trailing_whitespace}"
echo
echo "Please remove the trailing whitespace from these files."
exit 1
fi