#!/bin/sh

# This file is part of scripts.

# scripts 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, version 3.

# scripts 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 scripts.  If not, see <https://www.gnu.org/licenses/>.

# Original author: xenhat (me@xenh.at)
# Copyright (c) 2020, src_prepare group
# Licensed under the GNU GPL v3 License

# Description: A script to remove explicit version match in portage configuration files.
# Developed for /etc/portage/package.accept_keywords, may or may not
# not work onther files.


if [ -z "$1" ]; then
	printf "%s\n" "Must specify a file to modify..."
	exit 1
fi
regex='^=?(\S+)(?:-[[:digit:]]+\S*)(\s)(\S+)$'
sub='\1\2\3'
perl -pe "s;$regex;$sub;gm" -i "${1}"