check-git

 1#!/bin/sh
 2# SPDX-License-Identifier: GPL-2.0-only
 3#
 4# succeed if we are in a git repository
 5
 6srctree="$(dirname $0)/.."
 7
 8if ! git -C "${srctree}" rev-parse --verify HEAD >/dev/null 2>/dev/null; then
 9	exit 1
10fi
11
12if ! test -z $(git -C "${srctree}" rev-parse --show-cdup 2>/dev/null); then
13	exit 1
14fi