xref: /aosp_15_r20/external/coreboot/util/lint/lint-stable-022-clang-format (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1#!/usr/bin/env sh
2#
3# SPDX-License-Identifier: GPL-2.0-only
4
5# DESCR: Run clang-format on white-listed directories
6
7LINTDIR="$(
8  cd -- "$(dirname "$0")" > /dev/null 2>&1 || return
9  pwd -P
10)"
11
12# shellcheck source=helper_functions.sh
13. "${LINTDIR}/helper_functions.sh"
14
15# Until we require this by default, we need a list of opted-in directories
16# If the script isn't looking at a git repository, just exit
17if [ ! -f .clang-format-scope ] || [ "${IN_GIT_TREE}" -eq 0 ]; then
18	exit 0
19fi
20
21files_to_check=$(${GIT} log HEAD~..HEAD --format= --name-only $(cat .clang-format-scope) | grep "\.[ch]$")
22
23# nothing to do
24if [ -z "$files_to_check" ]; then
25	exit 0
26fi
27
28if [ $(clang-format $files_to_check | wc -l) -gt 0 ]; then
29	if [ "$(${GIT} diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff)" != "" ]; then
30		echo "Coding style mismatch. The following patch fixes it:"
31		${GIT} diff --no-prefix HEAD~..HEAD -- $files_to_check | clang-format-diff
32		exit 0
33	fi
34fi
35