#!/usr/bin/env python3

# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (C) 2020 embedded brains GmbH
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

import os
import sys
import re

with open(sys.argv[1], "r") as f:
    c = f.read()
    c = re.sub(r"""(.*)(/\*
 \* SPDX-License-Identifier: BSD-2-Clause
 \*
 \* .*
 \*
 \* Redistribution and use in source and binary forms, with or without
 \* modification, are permitted provided that the following conditions
 \* are met:
 \* 1. Redistributions of source code must retain the above copyright
 \*    notice, this list of conditions and the following disclaimer.
 \* 2. Redistributions in binary form must reproduce the above copyright
 \*    notice, this list of conditions and the following disclaimer in the
 \*    documentation and/or other materials provided with the distribution.
 \*
 \* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 \* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 \* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 \* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 \* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 \* CONSEQUENTIAL DAMAGES \(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 \* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 \* INTERRUPTION\) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 \* CONTRACT, STRICT LIABILITY, OR TORT \(INCLUDING NEGLIGENCE OR OTHERWISE\)
 \* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 \* POSSIBILITY OF SUCH DAMAGE.
 \*/

)(.*)""", r"\2\1\3", c, flags=re.DOTALL)
    with open(sys.argv[1], "w+") as g:
        g.write(c)