37 lines
1.1 KiB
Python
Executable file
37 lines
1.1 KiB
Python
Executable file
#!/usr/bin/env python
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# Copyright (c) 2016 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Takes a timestamp and writes it in as readable text to a .h file."""
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import argparse
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import datetime
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import os
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import sys
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def main():
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argument_parser = argparse.ArgumentParser()
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argument_parser.add_argument('output_file', help='The file to write to')
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argument_parser.add_argument('timestamp')
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args = argument_parser.parse_args()
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date = datetime.datetime.utcfromtimestamp(int(args.timestamp))
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output = ('// Generated by //build/write_build_date_header.py\n'
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'#ifndef BUILD_DATE\n'
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'#define BUILD_DATE "{:%b %d %Y %H:%M:%S}"\n'
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'#endif // BUILD_DATE\n'.format(date))
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current_contents = ''
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if os.path.isfile(args.output_file):
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with open(args.output_file, 'r') as current_file:
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current_contents = current_file.read()
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if current_contents != output:
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with open(args.output_file, 'w') as output_file:
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output_file.write(output)
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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