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#! /bin/bash
# Copyright 2019 The gRPC 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 -e
BUILDIFIER_VERSION="0.29.0"
TEMP_BUILDIFIER_PATH="/tmp/buildifier"
EXTRA_BUILDIFIER_FLAGS=$*
function error_handling() {
error=$1
if [[ -x "$error" ]]; then
echo "${error}"
exit 1
fi
}
function download_buildifier() {
platform="$(uname -s)"
case "${platform}" in
Linux*) download_link="https://github.com/bazelbuild/buildtools/releases/download/${BUILDIFIER_VERSION}/buildifier";;
Darwin*) download_link="https://github.com/bazelbuild/buildtools/releases/download/${BUILDIFIER_VERSION}/buildifier.mac";;
*) error_handling "Unsupported platform: ${platform}";;
esac
if [ -x "$(command -v curl)" ]; then
curl -L -o ${TEMP_BUILDIFIER_PATH} ${download_link}
elif [ -x "$(command -v wget)" ]; then
wget -O ${TEMP_BUILDIFIER_PATH} ${download_link}
else
error_handling "Download failed: curl and wget not available"
fi
chmod +x ${TEMP_BUILDIFIER_PATH}
}
# Get the correct version of buildifier
if [ -x "$(command -v buildifier)" ]; then
existing_buildifier_version="$(buildifier -version 2>&1 | head -n1 | cut -d" " -f3)"
if [[ "${existing_buildifier_version}" != "${BUILDIFIER_VERSION}" ]]; then
download_buildifier
buildifier_bin="${TEMP_BUILDIFIER_PATH}"
else
buildifier_bin="buildifier"
fi
else
download_buildifier
buildifier_bin="${TEMP_BUILDIFIER_PATH}"
fi
# cd to repo root
dir=$(dirname "${0}")
cd "${dir}/../.."
bazel_files=$(find . \( -iname 'BUILD' -o -iname '*.bzl' -o -iname '*.bazel' -o -iname 'WORKSPACE' \) -type f -not -path "./third_party/*")
# shellcheck disable=SC2086,SC2068
${buildifier_bin} ${EXTRA_BUILDIFIER_FLAGS[@]} -v ${bazel_files}
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