1#!/bin/bash
2# SPDX-License-Identifier: BSD-2-Clause
3
4CHECKPATCH="${CHECKPATCH:-checkpatch.pl}"
5# checkpatch.pl will ignore the following paths
6CHECKPATCH_IGNORE=$(echo )
7_CP_EXCL=$(for p in $CHECKPATCH_IGNORE; do echo ":(exclude)$p" ; done)
8
9function _checkpatch() {
10		# Use --typedefsfile if supported by the checkpatch tool
11		typedefs_opt="--typedefsfile typedefs.checkpatch"
12		$CHECKPATCH --help 2>&1 | grep -q -- --typedefsfile || \
13				typedefs_opt="";
14		# Ignore NOT_UNIFIED_DIFF in case patch has no diff
15		# (e.g., all paths filtered out)
16		$CHECKPATCH --quiet --ignore FILE_PATH_CHANGES \
17				--ignore GERRIT_CHANGE_ID \
18				--ignore NOT_UNIFIED_DIFF \
19				--ignore CAMELCASE \
20				--ignore PREFER_KERNEL_TYPES \
21				--ignore CONCATENATED_STRING \
22				--no-tree \
23				--strict \
24				$typedefs_opt \
25				-
26}
27
28function checkpatch() {
29	git show --oneline --no-patch $1
30	# The first git 'format-patch' shows the commit message
31	# The second one produces the diff (might be empty if _CP_EXCL
32	# filters out all diffs)
33	(git format-patch $1^..$1 --stdout | sed -n '/^diff --git/q;p'; \
34	 git format-patch $1^..$1 --stdout -- $_CP_EXCL . | \
35		sed -n '/^diff --git/,$p') | _checkpatch
36}
37
38function checkstaging() {
39		git diff --cached -- . $_CP_EXCL | _checkpatch
40}
41
42function checkworking() {
43		git diff -- . $_CP_EXCL | _checkpatch
44}
45
46function checkdiff() {
47		git diff $1...$2 -- . $_CP_EXCL | _checkpatch
48}
49
50