bind/util/check-trailing-whitespace.sh

#!/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