utils/hooks/pre-commit

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0-or-later

# Execute the checkstyle script before committing any code. This will fail the
# commit in case of style issues, ensuring that the developer will notice them.
# The pre-commit hook can be bypassed with git commit -n to ignore selective
# changes.
#
# To utilise this hook, install this file with:
#   cp utils/hooks/pre-commit .git/hooks/pre-commit

if ps -ocommand= -p $PPID | grep -- "--amend"
then
	args="--amend"
else
	args="--staged"
fi

./utils/checkstyle.py $args