nuttx/tools/checkpatch.sh
Xiang Xiao cf674ed51c checkpatch.sh: Simplify the code logic, no functional change
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2020-04-20 07:07:32 -06:00

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#!/usr/bin/env bash
# tools/checkpatch.sh
#
# Copyright (C) 2019 Xiaomi
#
# 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.
#
TOOLDIR=$(dirname $0)
check=check_patch
fail=0
range=0
spell=0
usage() {
echo "USAGE: ${0} [options] [list|-]"
echo ""
echo "Options:"
echo "-h"
echo "-c spell check with codespell(install with: pip install codespell)"
echo "-r range check only (coupled with -p or -g)"
echo "-p <patch file names> (default)"
echo "-g <commit list>"
echo "-f <file list>"
echo "- read standard input mainly used by git pre-commit hook as below:"
echo " git diff --cached | ./tools/checkpatch.sh -"
echo "Where a <commit list> is any syntax supported by git for specifying git revision, see GITREVISIONS(7)"
echo "Where a <patch file names> is a space separated list of patch file names or wildcard. or *.patch"
exit $@
}
check_file() {
$TOOLDIR/nxstyle $@ 2>&1
ret=$?
if [ $ret != 0 ]; then
fail=$ret
fi
if [ $spell != 0 ]; then
codespell -q 7 ${@: -1}
ret=$?
if [ $ret != 0 ]; then
fail=$ret
fi
fi
}
check_ranges() {
while read; do
if [[ $REPLY =~ ^(\+\+\+\ (b/)?([^[:blank:]]+).*)$ ]]; then
if [ "$ranges" != "" ]; then
if [ $range != 0 ]; then
check_file $ranges $path
else
check_file $path
fi
fi
path=${BASH_REMATCH[3]}
ranges=""
elif [[ $REPLY =~ @@\ -[0-9]+(,[0-9]+)?\ \+([0-9]+,[0-9]+)?\ @@.* ]]; then
ranges+="-r ${BASH_REMATCH[2]} "
fi
done
if [ "$ranges" != "" ]; then
if [ $range != 0 ]; then
check_file $ranges $path
else
check_file $path
fi
fi
}
check_patch() {
git apply --check $1
ret=$?
if [ $ret != 0 ]; then
fail=$ret
else
git apply $1
diffs=`cat $1`
check_ranges <<< "$diffs"
git apply -R $1
fi
}
check_commit() {
diffs=`git show $1`
check_ranges <<< "$diffs"
}
make -C $TOOLDIR -f Makefile.host nxstyle 1>/dev/null
if [ -z "$1" ]; then
usage
exit 0
fi
while [ ! -z "$1" ]; do
case "$1" in
- )
check_ranges
;;
-c )
spell=1
;;
-f )
check=check_file
;;
-g )
check=check_commit
;;
-h )
usage 0
;;
-p )
check=check_patch
;;
-r )
range=1
;;
-* )
usage 1
;;
* )
break
;;
esac
shift
done
for arg in $@; do
$check $arg
done
exit $fail