| # 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) as f: |
| new_data = f.read().replace(replace_string, new_string) |
| if os.path.exists(outfile): |
| with open(outfile) as f: |
| needs_update = (f.read() != new_data) |
| else: |
| needs_update = True |
| if needs_update: |
| with open(outfile, 'w') 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:])) |