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#!/usr/bin/env bash
# Copyright 2019 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 nounset
set -o pipefail
# shellcheck source=/dev/null
source "$(dirname "$0")/utils.sh"
# cd to the root path
cd_root_path
echo "Verifying trailing whitespace..."
TRAILING="$(grep -rnI '[[:blank:]]$' . | grep -v -e "\.git" -v -e "vendor\/" -v -e "\.svg")"
ERR="0"
if [[ ! -z "$TRAILING" ]]; then
echo "Found trailing whitespace in the follow files:"
echo "${TRAILING}"
ERR="1"
fi
echo -e "Verifying new lines at end of files..."
FILES="$(git ls-files | grep -I -v -e "vendor\/" -v -e "\.svg")"
while read -r LINE; do
grep -qI . "${LINE}" || continue # skip binary files
c="$(tail -c 1 "${LINE}")"
if [[ "$c" != "" ]]; then
echo "${LINE}: no newline at the end of file"
ERR=1
fi
done <<< "${FILES}"
if [[ "$ERR" == "1" ]]; then
echo "Found whitespace errors!"
exit 1
fi
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