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# Copyright 2015-2016 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
with open(infile, encoding='utf8') as f:
new_data = f.read().replace(replace_string, new_string)
if os.path.exists(outfile):
with open(outfile, encoding='utf8') as f:
needs_update = (f.read() != new_data)
else:
needs_update = True
if needs_update:
with open(outfile, 'w', encoding='utf8') as f:
f.write(new_data)
def run(args):
infile, outfile, fallback, source_dir, replace_string, regex_selector = args[0:6]
command = args[6:]
config_vcs_tag(infile, outfile, fallback, source_dir, replace_string, regex_selector, command)
return 0
if __name__ == '__main__':
sys.exit(run(sys.argv[1:]))
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