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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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