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fix(scan): keep committed diff inventories consistent - #370

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mdangelo/codex/foo-2196-reject-committed-diff-symlinks
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fix(scan): keep committed diff inventories consistent#370
mldangelo-oai wants to merge 8 commits into
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mdangelo/codex/foo-2196-reject-committed-diff-symlinks

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@mldangelo-oai

@mldangelo-oai mldangelo-oai commented Aug 12, 2026

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Summary

  • Keep committed-revision diff inventories consistent with existing local-patch behavior by omitting Git symbolic-link entries.
  • Use the selected revision's Git mode while preserving ordinary changed and deleted source files.
  • Leave legacy ranking, preview generation, submodule handling, and unrelated path behavior unchanged.
  • Add one cross-platform regression test that represents Git symlinks through index modes without requiring operating-system symlink privileges.

Verification

  • pnpm dlx bun@1.3.14 test --timeout 30000 ./tests-ts/compact-diff-scan.test.ts — 6 tests and 42 assertions passed.
  • pnpm run types
  • pnpm run format
  • git diff --check

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@codex review

@github-actions github-actions Bot added the bug Something isn't working label Aug 12, 2026

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💡 Codex Review

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Reviewed commit: 1c4e8807f4

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Comment thread sdk/typescript/_bundled_plugin/scripts/generate_in_scope_files.py Outdated
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Codex Review: Didn't find any major issues. More of your lovely PRs please.

Reviewed commit: de69cc5531

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Codex Review: Didn't find any major issues. 👍

Reviewed commit: 7c49fe1689

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Security review completed. No security issues were found in this pull request.

Reviewed commit: 7c49fe1689

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@mldangelo-oai mldangelo-oai changed the title fix(scan): reject committed symlinks in diff inventories fix(scan): reject committed symlinks across diff review workflows Aug 12, 2026

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Reviewed commit: c6b1dc030b

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Reviewed commit: 6e813093b4

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Security review completed. No security issues were found in this pull request.

Reviewed commit: 106b1c0f96

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Reviewed commit: 106b1c0f96

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Codex Review: Didn't find any major issues. You're on a roll.

Reviewed commit: 367dee5cb0

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Security review completed. No security issues were found in this pull request.

Reviewed commit: 367dee5cb0

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ℹ️ About Codex security reviews in GitHub

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@mldangelo-oai
mldangelo-oai marked this pull request as ready for review August 12, 2026 23:01
@mldangelo-oai mldangelo-oai changed the title fix(scan): reject committed symlinks across diff review workflows fix(scan): keep committed diff inventories consistent Aug 12, 2026

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Codex Review: Didn't find any major issues. More of your lovely PRs please.

Reviewed commit: 8a5b2ec84f

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Security review completed. No security issues were found in this pull request.

Reviewed commit: 8a5b2ec84f

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ℹ️ About Codex security reviews in GitHub

This is an experimental Codex feature. Security reviews are triggered when:

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@mldangelo-oai
mldangelo-oai requested a review from ianw-oai August 12, 2026 23:48

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I found one reproducible Windows-specific failure on the current head; details are inline.

f"{base}..{head}",
],
capture_output=True,
text=True,

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I hit a Windows-specific crash here when Git returns a path that the active ANSI code page cannot decode. On the current head, I ran with PYTHONUTF8=0 and a CP1252 locale, then committed a changed file named 丁.py. The subprocess reader raised UnicodeDecodeError on byte 0x81; result.stdout was then None, so the following .split("\0") raised AttributeError and aborted the revision scan.

Could we keep the NUL-delimited Git output as bytes (or decode it with an explicit Git-compatible encoding) instead of relying on locale-sensitive text=True? A Windows regression test using CP1252 and a non-ASCII filename would cover this.

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