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#!/usr/bin/env bash
# SPDX-License-Identifier: BSD-3-Clause
# Copyright 2016-2020, Intel Corporation
#
# utils/style_check.sh -- common style checking script
#
set -e
ARGS=("$@")
CSTYLE_ARGS=()
CLANG_ARGS=()
FLAKE8_ARGS=()
CHECK_TYPE=$1
[ -z "$clang_format_bin" ] && which clang-format-9 >/dev/null &&
clang_format_bin=clang-format-9
[ -z "$clang_format_bin" ] && which clang-format >/dev/null &&
clang_format_bin=clang-format
[ -z "$clang_format_bin" ] && clang_format_bin=clang-format
#
# print script usage
#
function usage() {
echo "$0 <check|format> [C/C++ files]"
}
#
# require clang-format version 9.0
#
function check_clang_version() {
set +e
which ${clang_format_bin} &> /dev/null && ${clang_format_bin} --version |\
grep "version 9\.0"\
&> /dev/null
if [ $? -ne 0 ]; then
echo "SKIP: requires clang-format version 9.0"
exit 0
fi
set -e
}
#
# run old cstyle check
#
function run_cstyle() {
if [ $# -eq 0 ]; then
return
fi
${cstyle_bin} -pP $@
}
#
# generate diff with clang-format rules
#
function run_clang_check() {
if [ $# -eq 0 ]; then
return
fi
check_clang_version
for file in $@
do
LINES=$(${clang_format_bin} -style=file $file |\
git diff --no-index $file - | wc -l)
if [ $LINES -ne 0 ]; then
${clang_format_bin} -style=file $file | git diff --no-index $file -
fi
done
}
#
# in-place format according to clang-format rules
#
function run_clang_format() {
if [ $# -eq 0 ]; then
return
fi
check_clang_version
${clang_format_bin} -style=file -i $@
}
function run_flake8() {
if [ $# -eq 0 ]; then
return
fi
${flake8_bin} --exclude=testconfig.py,envconfig.py $@
}
for ((i=1; i<$#; i++)) {
IGNORE="$(dirname ${ARGS[$i]})/.cstyleignore"
if [ -e $IGNORE ]; then
if grep -q ${ARGS[$i]} $IGNORE ; then
echo "SKIP ${ARGS[$i]}"
continue
fi
fi
case ${ARGS[$i]} in
*.[ch]pp)
CLANG_ARGS+="${ARGS[$i]} "
;;
*.[ch])
CSTYLE_ARGS+="${ARGS[$i]} "
;;
*.py)
FLAKE8_ARGS+="${ARGS[$i]} "
;;
*)
echo "Unknown argument"
exit 1
;;
esac
}
case $CHECK_TYPE in
check)
run_cstyle ${CSTYLE_ARGS}
run_clang_check ${CLANG_ARGS}
run_flake8 ${FLAKE8_ARGS}
;;
format)
run_clang_format ${CLANG_ARGS}
;;
*)
echo "Invalid parameters"
usage
exit 1
;;
esac
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