#!/usr/bin/python3
header = """/* This file is part of Ground Control.

Ground Control 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.

Ground Control 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
Ground Control. If not, see <https://www.gnu.org/licenses/>. */
"""

from sys import argv
old_file = open(argv[1], "r").read()
f = open(argv[1], "w")
f.write(header)
f.write(old_file)
f.close()