1#!/bin/bash
2
3CHECKPATCH="${CHECKPATCH:-checkpatch.pl}"
4CHECKPATCH_OPT="${CHECKPATCH_OPT:-}"
5# checkpatch.pl will ignore the following paths
6CHECKPATCH_IGNORE=$(echo \
7		core/include/gen-asm-defines.h \
8		core/lib/lib{fdt,tomcrypt} core/lib/zlib \
9		lib/libutils lib/libmbedtls \
10		lib/libutee/include/elf.h \
11		lib/libutee/include/elf_common.h \
12		core/arch/arm/include/arm{32,64}.h \
13		core/arch/arm/plat-ti/api_monitor_index_a{9,15}.h \
14		core/arch/arm/dts \
15		ta/pkcs11/scripts/verify-helpers.sh \
16		core/arch/riscv/include/encoding.h )
17_CP_EXCL=$(for p in $CHECKPATCH_IGNORE; do echo ":(exclude)$p" ; done)
18
19function _checkpatch() {
20		# Use --typedefsfile if supported by the checkpatch tool
21		typedefs_opt="--typedefsfile typedefs.checkpatch"
22		$CHECKPATCH --help 2>&1 | grep -q -- --typedefsfile || \
23				typedefs_opt="";
24		# Ignore NOT_UNIFIED_DIFF in case patch has no diff
25		# (e.g., all paths filtered out)
26		$CHECKPATCH $CHECKPATCH_OPT $typedefs_opt -
27}
28
29function checkpatch() {
30	git show --oneline --no-patch $1
31	# The first git 'format-patch' shows the commit message
32	# The second one produces the diff (might be empty if _CP_EXCL
33	# filters out all diffs)
34	(git format-patch $1^..$1 --stdout | sed -n '/^diff --git/q;p'; \
35	 git format-patch $1^..$1 --stdout -- $_CP_EXCL . | \
36		sed -n '/^diff --git/,$p') | _checkpatch
37}
38
39function checkstaging() {
40		git diff --cached -- . $_CP_EXCL | _checkpatch
41}
42
43function checkworking() {
44		git diff -- . $_CP_EXCL | _checkpatch
45}
46
47function checkdiff() {
48		git diff $1...$2 -- . $_CP_EXCL | _checkpatch
49}
50
51