#!/bin/sh

# GNU Guix --- Functional package management for GNU
# Copyright © 2015 Cyril Roelandt <tipecaml@gmail.com>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

# This lists patches in gnu-system.am that are not used anywhere.
for file in $(grep ".*\.patch" gnu-system.am | awk '{print $1}'); do
	git grep -q $(basename $file) gnu/packages/
	if [ "$?" -ne "0" ]; then
		echo "$file is no longer needed"
	fi
done