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33 lines
930 B
Python
Executable File
33 lines
930 B
Python
Executable File
#!/usr/bin/env python3
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# Remove all hunks from a patch that don't add the id attribute to minimize the impact (removed
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# comments etc.) of sigma_uuid script.
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#
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# Usually used as follows:
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# 1. Add UUIDs to rules:
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# tools/sigma_uuid -er rules
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# 2. Generate and filter patch
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# git diff | contrib/filter-uuid-patch > rule-uuid.diff
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# 3. Reset to previous state
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# git reset --hard
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# 4. Apply filtered patch
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# patch -p1 < rule-uuid.diff
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#
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# This tool requires an installed unidiff package.
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from unidiff import PatchSet
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from sys import argv, stdin
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try:
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with open(argv[1], "r") as f:
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patch = PatchSet(f.readlines())
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except IndexError:
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patch = PatchSet(stdin.readlines())
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for patched_file in patch:
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for h in reversed(range(len(patched_file))):
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hunk = patched_file[h]
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if not any([ line.is_added and line.value.startswith("id: ") for line in hunk ]):
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del patched_file[h]
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print(str(patch))
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