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25 lines
614 B
Python
25 lines
614 B
Python
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#! /usr/bin/env python3
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# Usage: scripts/qemu-stamp.py STRING1 STRING2... -- FILE1 FILE2...
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import hashlib
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import os
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import sys
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sha = hashlib.sha1()
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is_file = False
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for arg in sys.argv[1:]:
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if arg == '--':
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is_file = True
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continue
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if is_file:
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with open(arg, 'rb') as f:
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for chunk in iter(lambda: f.read(65536), b''):
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sha.update(chunk)
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else:
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sha.update(os.fsencode(arg))
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sha.update(b'\n')
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# The hash can start with a digit, which the compiler doesn't
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# like as an symbol. So prefix it with an underscore
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print("_" + sha.hexdigest())
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