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34 lines
965 B
34 lines
965 B
#!/usr/bin/env python3 |
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import os |
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import sys |
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def permit_osx_workaround(m1, m2): |
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import platform |
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if platform.system().lower() != 'darwin': |
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return False |
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if m2 % 10000 != 0: |
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return False |
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if m1//10000 != m2//10000: |
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return False |
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return True |
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if len(sys.argv) == 2: |
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assert os.path.exists(sys.argv[1]) |
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elif len(sys.argv) == 3: |
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f1 = sys.argv[1] |
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f2 = sys.argv[2] |
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m1 = os.stat(f1).st_mtime_ns |
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m2 = os.stat(f2).st_mtime_ns |
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# Compare only os.stat() |
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if m1 != m2: |
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# Under macOS the lower four digits sometimes get assigned |
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# zero, even though shutil.copy2 should preserve metadata. |
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# Just have to accept it, I guess. |
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if not permit_osx_workaround(m1, m2): |
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raise RuntimeError(f'mtime of {f1!r} ({m1!r}) != mtime of {f2!r} ({m2!r})') |
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import filecmp |
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if not filecmp.cmp(f1, f2): |
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raise RuntimeError(f'{f1!r} != {f2!r}') |
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else: |
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raise AssertionError
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