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# SPDX-License-Identifier: Apache-2.0
# Copyright 2015-2016 The Meson development team
from __future__ import annotations
import sys, os, subprocess, re
import typing as T
def config_vcs_tag(infile: str, outfile: str, fallback: str, source_dir: str, replace_string: str, regex_selector: str, cmd: T.List[str]) -> None:
try:
output = subprocess.check_output(cmd, cwd=source_dir, stderr=subprocess.DEVNULL)
new_string = re.search(regex_selector, output.decode()).group(1).rstrip('\r\n')
except Exception:
new_string = fallback
with open(infile, encoding='utf-8') as f:
new_data = f.read().replace(replace_string, new_string)
if os.path.exists(outfile):
with open(outfile, encoding='utf-8') as f:
needs_update = f.read() != new_data
else:
needs_update = True
if needs_update:
with open(outfile, 'w', encoding='utf-8') as f:
f.write(new_data)
def run(args: T.List[str]) -> int:
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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