credentials: uid and gid now use LTTNG_OPTIONAL
[lttng-tools.git] / extras / checkpatch-hook
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1#!/bin/sh
2#
ab5be9fa 3# Copyright (C) 2013 Christian Babeux <christian.babeux@efficios.com>
de800f52 4#
ab5be9fa 5# SPDX-License-Identifier: GPL-2.0-only
de800f52 6#
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7
8# To enable this hook, run the "install-checkpatch-hook" script.
9
10CHECKPATCH="extras/checkpatch.pl"
11
12if git rev-parse --verify HEAD >/dev/null 2>&1
13then
14 against=HEAD
15else
16 # Initial commit: diff against an empty tree object
17 against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
18fi
19
20git diff --cached $against -- | $CHECKPATCH --no-signoff -
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