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objects: decode a byte mode before reading its digits - #2261
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Byron merged 1 commit intoOct 1, 2026
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mode_str_to_int(b"100644") returned 1830740. A byte is an int, so the digit 4 was read as 52. A text mode was already 0o100644.
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Copilot review overview
🟢 Approval recommended
The focused fix correctly handles byte modes and includes adequate regression coverage.
Review effort: Balanced
Findings: None
Fixes byte-based Git mode parsing by decoding bytes before converting octal digits.
Changes:
- Decode byte modes as ASCII.
- Add regression coverage for string and byte modes.
| File | Description |
|---|---|
| git/objects/util.py | Corrects byte mode conversion. |
| test/test_util.py | Adds regression tests. |
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Summary
mode_str_to_int(b"100644") returned 1830740 (0o6767524). A byte is an int, so the digit 4 was read as 52. mode_str_to_int("100644") was already 0o100644. A byte string is decoded before the digits are read. b"120000" is 0o120000. 644 is still 0o644.
Test plan
Drafted with Grok 4.7. The code has not yet been reviewed by a human.