Tom Boucher 48687521db fix(#1545): make no-phantom-issue-refs walk() robust to broken symlinks (#1546) ...

walk() collected dirents by extension only, then readFileSync'd each — so a
broken symlink named *.md (e.g. the gitignored CLAUDE.md worktree symlink whose
target is absent in a gsd-test Docker copy) crashed the #1073 guard with ENOENT.
It passed on a developer Mac (the symlink resolves) and in GitHub CI (CLAUDE.md
is gitignored/absent), failing only on the gsd-test-docker-from-worktree path —
a real error hiding behind the local environment, not a flake.

Guard the collection with entry.isFile() so symlinks (and other non-regular
dirents) are skipped deterministically on every platform; gitignored files are
not shipped repo text, so excluding CLAUDE.md is correct. Add a deterministic
regression test (dangling *.md symlink fixture, Windows-symlink-guarded with a
genuine t.skip) asserting walk() excludes the broken symlink and the read loop
never throws ENOENT.

Closes #1545.

Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>

2026-06-21 15:09:20 -04:00

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