42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
# Copyright 2015-2016 The Meson development team
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys, os, subprocess, re
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def config_vcs_tag(infile, outfile, fallback, source_dir, replace_string, regex_selector, cmd):
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try:
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output = subprocess.check_output(cmd, cwd=source_dir)
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new_string = re.search(regex_selector, output.decode()).group(1).strip()
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except Exception:
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new_string = fallback
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with open(infile) as f:
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new_data = f.read().replace(replace_string, new_string)
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if os.path.exists(outfile):
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with open(outfile) as f:
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needs_update = (f.read() != new_data)
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else:
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needs_update = True
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if needs_update:
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with open(outfile, 'w') as f:
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f.write(new_data)
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def run(args):
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infile, outfile, fallback, source_dir, replace_string, regex_selector = args[0:6]
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command = args[6:]
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config_vcs_tag(infile, outfile, fallback, source_dir, replace_string, regex_selector, command)
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if __name__ == '__main__':
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sys.exit(run(sys.argv[1:]))
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