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#!/usr/bin/env python3
# Copyright 2015 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys, os, subprocess, re
def config_vcs_tag(infile, outfile, fallback, source_dir, replace_string, regex_selector, cmd):
try:
output = subprocess.check_output(cmd, cwd=source_dir)
new_string = re.search(regex_selector, output.decode()).group(1).strip()
except Exception:
new_string = fallback
new_data = open(infile).read().replace(replace_string, new_string)
if (not os.path.exists(outfile)) or (open(outfile).read() != new_data):
open(outfile, 'w').write(new_data)
if __name__ == '__main__':
infile, outfile, fallback, source_dir, replace_string, regex_selector = sys.argv[1:7]
command = sys.argv[7:]
config_vcs_tag(infile, outfile, fallback, source_dir, replace_string, regex_selector, command)
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