mindspore/scripts/check_clang_format.sh

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#!/bin/bash
# Copyright 2019 Huawei Technologies Co., Ltd
#
# 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
CLANG_FORMAT=$(which clang-format) || (echo "Please install 'clang-format' tool first"; exit 1)
version=$("${CLANG_FORMAT}" --version | sed -n "s/.*\ \([0-9]*\)\.[0-9]*\.[0-9]*.*/\1/p")
if [[ "${version}" -lt "8" ]]; then
echo "clang-format's version must be at least 8.0.0"
exit 1
fi
CURRENT_PATH=$(pwd)
SCRIPTS_PATH=$(dirname "$0")
echo "CURRENT_PATH=$CURRENT_PATH"
echo "SCRIPTS_PATH=$SCRIPTS_PATH"
# print usage message
function usage()
{
echo "Check whether the specified source files were well formated"
echo "Usage:"
echo "bash $0 [-a] [-c] [-l] [-h]"
echo "e.g. $0 -a"
echo ""
echo "Options:"
echo " -a Check code format of all files, default case"
echo " -c Check code format of the files changed compared to last commit"
echo " -l Check code format of the files changed in last commit"
echo " -h Print usage"
}
# check and set options
function checkopts()
{
# init variable
mode="all" # default check all files
# Process the options
while getopts 'aclh' opt
do
case "${opt}" in
a)
mode="all"
;;
c)
mode="changed"
;;
l)
mode="lastcommit"
;;
h)
usage
exit 0
;;
*)
echo "Unknown option ${opt}!"
usage
exit 1
esac
done
}
# init variable
# check options
checkopts "$@"
# switch to project root path, which contains clang-format config file '.clang-format'
cd "${SCRIPTS_PATH}/.." || exit 1
CHECK_LIST_FILE='__checked_files_list__'
if [ "X${mode}" == "Xall" ]; then
find mindspore/ccsrc -type f -name "*" | grep "\.h$\|\.cc$" > "${CHECK_LIST_FILE}" || true
elif [ "X${mode}" == "Xchanged" ]; then
# --diff-filter=ACMRTUXB will ignore deleted files in commit
git diff --diff-filter=ACMRTUXB --name-only | grep "mindspore/ccsrc" | grep "\.h$\|\.cc$" > "${CHECK_LIST_FILE}" || true
else # "X${mode}" == "Xlastcommit"
git diff --diff-filter=ACMRTUXB --name-only HEAD~ HEAD | grep "mindspore/ccsrc" | grep "\.h$\|\.cc$" > "${CHECK_LIST_FILE}" || true
fi
CHECK_RESULT_FILE=__code_format_check_result__
echo "0" > "$CHECK_RESULT_FILE"
# check format of files modified in the lastest commit
while read line; do
BASE_NAME=$(basename "${line}")
TEMP_FILE="__TEMP__${BASE_NAME}"
cp "${line}" "${TEMP_FILE}"
${CLANG_FORMAT} -i "${TEMP_FILE}"
diff "${TEMP_FILE}" "${line}"
ret=$?
rm "${TEMP_FILE}"
if [[ "${ret}" -ne 0 ]]; then
echo "File ${line} is not formated, please format it."
echo "1" > "${CHECK_RESULT_FILE}"
break
fi
done < "${CHECK_LIST_FILE}"
result=$(cat "${CHECK_RESULT_FILE}")
rm "${CHECK_RESULT_FILE}"
rm "${CHECK_LIST_FILE}"
cd "${CURRENT_PATH}" || exit 1
if [[ "X${result}" == "X0" ]]; then
echo "Check PASS: specified files are well formated!"
fi
exit "${result}"