1#!/bin/bash 2# Copyright 2018 Google LLC 3 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15# 16# Script to determine if source code in Pull Request is properly formatted. 17# Exits with non 0 exit code if formatting is needed. 18# 19# This script assumes to be invoked at the project root directory. 20 21FILES_TO_CHECK=$(git diff --name-only main | grep -E ".*\.(cpp|cc|c\+\+|cxx|c|h|hpp)$") 22 23if [ -z "${FILES_TO_CHECK}" ]; then 24 echo "No source code to check for formatting." 25 exit 0 26fi 27 28FORMAT_DIFF=$(git diff -U0 main -- ${FILES_TO_CHECK} | python ./tools/clang-format-diff.py -p1 -style=file) 29 30if [ -z "${FORMAT_DIFF}" ]; then 31 echo "All source code in PR properly formatted." 32 exit 0 33else 34 echo "Found formatting errors!" 35 echo "${FORMAT_DIFF}" 36 exit 1 37fi 38