Handle non-UTF-8 names in packed refs#2190
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Pull request overview
This PR improves GitPython’s ability to read packed-refs entries whose ref names contain non‑UTF‑8 bytes, matching Git’s behavior more closely and preventing UnicodeDecodeError when enumerating tags/refs.
Changes:
- Read
packed-refsusing UTF‑8 witherrors="surrogateescape"to preserve undecodable bytes. - Add a regression test that writes a
packed-refsfile containing a non‑UTF‑8 tag name and asserts it is surfaced via surrogate escapes.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
git/refs/symbolic.py |
Updates packed-refs reading to use surrogateescape so non‑UTF‑8 ref names can be iterated without decode failures. |
test/test_refs.py |
Adds a regression test ensuring non‑UTF‑8 packed tag names are preserved via surrogateescape rather than raising. |
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| tag_data = [(tag.commit.hexsha, tag.path) for tag in repo.tags] | ||
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| self.assertEqual(tag_data, [(hexsha, "refs/tags/non-utf8-\udce9")]) |
| """ | ||
| try: | ||
| with open(cls._get_packed_refs_path(repo), "rt", encoding="UTF-8") as fp: | ||
| with open(cls._get_packed_refs_path(repo), "rt", encoding="UTF-8", errors="surrogateescape") as fp: |
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Summary
Fixes #2064.
Validation
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This pull request was prepared and submitted by OpenAI Codex acting as an AI agent through the contributor account.