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30 lines
824 B
30 lines
824 B
5 years ago
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#!/usr/bin/env python3
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import sys, os, subprocess
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def generate(infile, outfile, fallback):
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workdir = os.path.split(infile)[0]
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if workdir == '':
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workdir = '.'
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try:
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version = subprocess.check_output(['git', 'describe'], cwd=workdir).decode().strip()
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except (subprocess.CalledProcessError, OSError, UnicodeDecodeError):
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version = fallback
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with open(infile) as f:
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newdata = f.read().replace('@VERSION@', version)
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try:
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with open(outfile) as f:
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olddata = f.read()
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if olddata == newdata:
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return
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except OSError:
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pass
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with open(outfile, 'w') as f:
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f.write(newdata)
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if __name__ == '__main__':
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infile = sys.argv[1]
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outfile = sys.argv[2]
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fallback = sys.argv[3]
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generate(infile, outfile, fallback)
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