| Paolo Bonzini | b0b4323 | 2022-04-20 17:33:54 +0200 | [diff] [blame] | 1 | #! /usr/bin/env python3 |
| 2 | |
| 3 | # Usage: scripts/qemu-stamp.py STRING1 STRING2... -- FILE1 FILE2... |
| 4 | import hashlib |
| 5 | import os |
| 6 | import sys |
| 7 | |
| 8 | sha = hashlib.sha1() |
| 9 | is_file = False |
| 10 | for arg in sys.argv[1:]: |
| 11 | if arg == '--': |
| 12 | is_file = True |
| 13 | continue |
| 14 | if is_file: |
| 15 | with open(arg, 'rb') as f: |
| 16 | for chunk in iter(lambda: f.read(65536), b''): |
| 17 | sha.update(chunk) |
| 18 | else: |
| 19 | sha.update(os.fsencode(arg)) |
| 20 | sha.update(b'\n') |
| 21 | |
| 22 | # The hash can start with a digit, which the compiler doesn't |
| 23 | # like as an symbol. So prefix it with an underscore |
| 24 | print("_" + sha.hexdigest()) |
