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#! /bin/sh
# BSD LICENSE
#
# Copyright 2015 6WIND S.A.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of 6WIND S.A. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Load config options:
# - DPDK_CHECKPATCH_PATH
# - DPDK_CHECKPATCH_LINE_LENGTH
. $(dirname $(readlink -e $0))/load-devel-config
length=${DPDK_CHECKPATCH_LINE_LENGTH:-80}
# override default Linux options
options="--no-tree"
options="$options --max-line-length=$length"
options="$options --show-types"
options="$options --ignore=LINUX_VERSION_CODE,FILE_PATH_CHANGES,\
VOLATILE,PREFER_PACKED,PREFER_ALIGNED,PREFER_PRINTF,\
PREFER_KERNEL_TYPES,BIT_MACRO,CONST_STRUCT,\
SPLIT_STRING,LONG_LINE_STRING,\
LINE_SPACING,PARENTHESIS_ALIGNMENT,NETWORKING_BLOCK_COMMENT_STYLE,\
NEW_TYPEDEFS,COMPARISON_TO_NULL"
print_usage () {
cat <<- END_OF_HELP
usage: $(basename $0) [-q] [-v] [-nX|patch1 [patch2] ...]]
Run Linux kernel checkpatch.pl with DPDK options.
The environment variable DPDK_CHECKPATCH_PATH must be set.
The patches to check can be from stdin, files specified on the command line,
or latest git commits limited with -n option (default limit: origin/master).
END_OF_HELP
}
number=0
quiet=false
verbose=false
while getopts hn:qv ARG ; do
case $ARG in
n ) number=$OPTARG ;;
q ) quiet=true ;;
v ) verbose=true ;;
h ) print_usage ; exit 0 ;;
? ) print_usage ; exit 1 ;;
esac
done
shift $(($OPTIND - 1))
if [ ! -x "$DPDK_CHECKPATCH_PATH" ] ; then
print_usage >&2
echo
echo 'Cannot execute DPDK_CHECKPATCH_PATH' >&2
exit 1
fi
total=0
status=0
check () { # <patch> <commit> <title>
total=$(($total + 1))
! $verbose || printf '\n### %s\n\n' "$3"
if [ -n "$1" ] ; then
report=$($DPDK_CHECKPATCH_PATH $options "$1" 2>/dev/null)
elif [ -n "$2" ] ; then
report=$(git format-patch --find-renames --no-stat --stdout -1 $commit |
$DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
else
report=$($DPDK_CHECKPATCH_PATH $options - 2>/dev/null)
fi
[ $? -ne 0 ] || return 0
$verbose || printf '\n### %s\n\n' "$3"
printf '%s\n' "$report" | sed -n '1,/^total:.*lines checked$/p'
status=$(($status + 1))
}
if [ -n "$1" ] ; then
for patch in "$@" ; do
# Subject can be on 2 lines
subject=$(sed '/^Subject: */!d;s///;N;s,\n[[:space:]]\+, ,;s,\n.*,,;q' "$patch")
check "$patch" '' "$subject"
done
elif [ ! -t 0 ] ; then # stdin
subject=$(while read header value ; do
if [ "$header" = 'Subject:' ] ; then
IFS= read next
continuation=$(echo "$next" | sed -n 's,^[[:space:]]\+, ,p')
echo $value$continuation
break
fi
done)
check '' '' "$subject"
else
if [ $number -eq 0 ] ; then
commits=$(git rev-list --reverse origin/master..)
else
commits=$(git rev-list --reverse --max-count=$number HEAD)
fi
for commit in $commits ; do
subject=$(git log --format='%s' -1 $commit)
check '' $commit "$subject"
done
fi
pass=$(($total - $status))
$quiet || printf '\n%d/%d valid patch' $pass $total
$quiet || [ $pass -le 1 ] || printf 'es'
$quiet || printf '\n'
exit $status
|
