1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0-only
3
4diff_patch="${1}"
5untracked_patch="${2}"
6srctree=$(dirname $0)/../..
7
8rm -f ${diff_patch} ${untracked_patch}
9
10if ! ${srctree}/scripts/check-git; then
11	exit
12fi
13
14mkdir -p "$(dirname ${diff_patch})" "$(dirname ${untracked_patch})"
15
16git -C "${srctree}" diff HEAD > "${diff_patch}"
17
18if [ ! -s "${diff_patch}" ]; then
19	rm -f "${diff_patch}"
20	exit
21fi
22
23git -C ${srctree} status --porcelain --untracked-files=all |
24while read stat path
25do
26	if [ "${stat}" = '??' ]; then
27
28		if ! diff -u /dev/null "${srctree}/${path}" > .tmp_diff &&
29			! head -n1 .tmp_diff | grep -q "Binary files"; then
30			{
31				echo "--- /dev/null"
32				echo "+++ linux/$path"
33				cat .tmp_diff | tail -n +3
34			} >> ${untracked_patch}
35		fi
36	fi
37done
38
39rm -f .tmp_diff
40
41if [ ! -s "${diff_patch}" ]; then
42	rm -f "${diff_patch}"
43	exit
44fi
45