zephyr/scripts/maintainer-checkpatch.bash

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#!/bin/bash
#
# Copyright (c) 2015 Wind River Systems, Inc.
#
# 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.
#
exe_name=$(basename $0)
# check the last n patches patches from the current branch for errors
# usage: maintainer-checkpatch.bash [(-n <num commits>) | (-c <commit>)] [-s]
# where: -n <num commits> selects the last n commits (default: 1)
# -c <commit> selects the "since" commit
# -s asks for a summary instead of details
#
# -c and -n are mutually exclusive
checkpatch_switches="\
--patch \
--no-tree \
--show-types \
--max-line-length=100 \
"
ignore_list=BRACES,PRINTK_WITHOUT_KERN_LEVEL,SPLIT_STRING,FILE_PATH_CHANGES,GERRIT_CHANGE_ID
timestamp_bin=${ZEPHYR_BASE}/scripts/timestamp
timestamp="${timestamp_bin} -u"
checkpatch_bin=${ZEPHYR_BASE}/scripts/checkpatch.pl
checkpatch="${checkpatch_bin} ${checkpatch_switches} --ignore ${ignore_list}"
ts=$(${timestamp})
outdir=/tmp/${exe_name}-${ts}
declare num_commits=1
declare summary=n
declare since_commit=""
function usage {
printf "usage: %s [(-n <num commits>) | (-c <commit>)] [-s]\n" $exe_name >&2
}
function fail {
usage
exit -1
}
function format_patch_fail {
printf "'git format-patch' failed\n"
exit -1
}
function verify_needed {
needed="\
${timestamp_bin} \
${checkpatch_bin} \
"
for i in $needed; do
type $i &>/dev/null
if [ $? != 0 ]; then
printf "need '%s' but not found in PATH\n" $i >&2
exit -1
fi
done
}
function get_opts {
declare -r optstr="n:c:sh"
while getopts ${optstr} opt; do
case ${opt} in
n) num_commits=${OPTARG} ;;
c) since_commit=${OPTARG} ;;
s) summary=y ;;
h) usage; exit 0 ;;
*) fail ;;
esac
done
if [ ${num_commits} != 1 -a "x${since_commit}" != x ]; then
fail
fi
}
verify_needed
get_opts $@
if [ x${since_commit} != x ]; then
since=${since_commit}
else
since=HEAD~${num_commits}
fi
git format-patch ${since} -o ${outdir} 2>/dev/null >/dev/null
[ $? = 0 ] || format_patch_fail
for i in $(ls ${outdir}/*); do
printf "\n$(basename ${i})\n"
if [ ${summary} = y ]; then
${checkpatch} $i | grep "total:"
else
${checkpatch} $i
fi
done
rm -rf ${outdir}