1#!/bin/bash
2
3CHECKPATCH="${CHECKPATCH:-checkpatch.pl}"
4CHECKPATCH_OPT="${CHECKPATCH_OPT:-}"
5# checkpatch.pl will ignore the following paths
6CHECKPATCH_IGNORE=$(echo \
7		core/include/gen-asm-defines.h \
8		core/lib/lib{fdt,tomcrypt} core/lib/zlib \
9		lib/libutils lib/libmbedtls \
10		lib/libutee/include/elf.h \
11		lib/libutee/include/elf_common.h \
12		core/arch/arm/include/arm{32,64}.h \
13		core/arch/arm/plat-ti/api_monitor_index_a{9,15}.h \
14		core/arch/arm/dts \
15		ta/pkcs11/scripts/verify-helpers.sh \
16		core/lib/qcbor \
17		core/arch/riscv/include/encoding.h )
18_CP_EXCL=$(for p in $CHECKPATCH_IGNORE; do echo ":(exclude)$p" ; done)
19
20function _checkpatch() {
21		# Use --typedefsfile if supported by the checkpatch tool
22		typedefs_opt="--typedefsfile typedefs.checkpatch"
23		$CHECKPATCH --help 2>&1 | grep -q -- --typedefsfile || \
24				typedefs_opt="";
25		# Ignore NOT_UNIFIED_DIFF in case patch has no diff
26		# (e.g., all paths filtered out)
27		eval "$CHECKPATCH $CHECKPATCH_OPT $typedefs_opt -"
28}
29
30function checkpatch() {
31	git show --oneline --no-patch $1
32	# The first git 'format-patch' shows the commit message
33	# The second one produces the diff (might be empty if _CP_EXCL
34	# filters out all diffs)
35	(git format-patch $1^..$1 --stdout | sed -n '/^diff --git/q;p'; \
36	 git format-patch $1^..$1 --stdout -- $_CP_EXCL . | \
37		sed -n '/^diff --git/,$p') | _checkpatch
38}
39
40function checkstaging() {
41		git diff --cached -- . $_CP_EXCL | _checkpatch
42}
43
44function checkworking() {
45		git diff -- . $_CP_EXCL | _checkpatch
46}
47
48function checkdiff() {
49		git diff $1...$2 -- . $_CP_EXCL | _checkpatch
50}
51
52