1#!/usr/bin/env python3
2#
3# unpatching changes for the CBMC proofs.
4#
5# Copyright (C) 2022 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
6#
7# Permission is hereby granted, free of charge, to any person obtaining a copy
8# of this software and associated documentation files (the "Software"), to deal
9# in the Software without restriction, including without limitation the rights
10# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11# copies of the Software, and to permit persons to whom the Software is
12# furnished to do so, subject to the following conditions:
13#
14# The above copyright notice and this permission notice shall be included in all
15# copies or substantial portions of the Software.
16#
17# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
20# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23# SOFTWARE.
24
25import subprocess
26import os
27import sys
28from glob import glob
29
30from patches_constants import PATCHES_DIR
31
32try:
33    os.remove(os.path.join(PATCHES_DIR, "patched"))
34except FileNotFoundError:
35    print("Nothing to do here.")
36    sys.exit(0)
37for tmpfile in glob(os.path.join(PATCHES_DIR, "*.patch")):
38    print("unpatch", tmpfile)
39    result = subprocess.run(["git", "apply", "-R", "--ignore-space-change", "--ignore-whitespace", tmpfile],
40                            cwd=os.path.join("..", "..", "..", ".."))
41    if result.returncode:
42        print("Unpatching failed: {}".format(tmpfile))
43