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fix(watcher): match the scan’s hidden-file rules outside Git worktrees - #973
On a non-Git root, the watcher now skips files under hidden directories and dotfiles that the initial scan skips. Zlob carries its hidden-file setting into the watcher. Ripgrep uses its scan matcher so an explicit include in .ignore still applies.
The regression test starts the filesystem watcher, creates a hidden directory and a dotfile, then waits for two successive writes in a visible directory to appear in the index. CI runs the same test with both walkers.
I ran the issue's MCP reproducer against the Linux binaries. On main, the live index returned hidden paths that disappeared after restart. On this branch, both calls returned only visible/marker_visible.txt. With a Git worktree, both calls returned all four markers.
Non-Git walks now provide reusable ignore rules that include hidden-path filtering. Watcher event processing and new-directory indexing pass path type to those rules. A test checks that hidden paths are skipped while files in visible directories are indexed.
Changes: Non-Git Watcher Ignore Filtering
Layer / File(s)
Summary
Build reusable walk ignore rules Cargo.toml, crates/fff-core/src/walk/*, crates/fff-core/src/file_picker.rs
WalkIgnoreRules now stores backend-specific matcher state and uses directory-aware checks. Walk backends provide reusable rules for non-Git roots.
Apply ignore rules during watcher events crates/fff-core/src/watcher/background_watcher.rs, crates/fff-core/tests/new_directory_watcher_test.rs, .github/workflows/rust.yml
Watcher event handling and new-directory indexing pass path type to the filter. Scoped walks bypass this filter. The new test checks hidden-path exclusion and visible-file indexing; Linux CI runs it.
dmtrKovalenko/fff#980 — The issue also describes watcher updates indexing paths skipped by scans on non-Git roots, though it concerns symlinks.
Possibly related PRs
dmtrKovalenko/fff#988 — Adds configurable ignore rules to filesystem walking and watcher updates through the same scan-to-watcher filtering contract.
dmtrKovalenko/fff#983 — Adds .git/info/exclude rules to the zlob walk and reusable watcher rules.
dmtrKovalenko/fff#991 — Updates zlob so Git exclude rules reach both the walker and watcher.
Suggested reviewers:dmtrkovalenko
Merge Risk: Minimal · up to 895f3
The watcher’s hidden-path filtering is consistent with the initial scan on the inspected paths. No merge-blocking issue was identified.
Pre-merge checks: 4 · 1
Failed checks: 1 warning
Check name
Status
Explanation
Resolution
Docstring Coverage
Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Write docstrings for the functions missing them to satisfy the coverage threshold.
Passed checks: 4 passed
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Status
Explanation
Title check
The title clearly and concisely describes the main change: aligning watcher hidden-file handling with scans outside Git worktrees.
Linked Issues check
Issue #972 requires the watcher on non-Git roots to skip hidden paths that the initial scan skips. The change carries skip_hidden into WalkIgnoreRules for zlob, applies hidden-component filtering …
Out of Scope Changes check
The changes are limited to watcher filtering, walker rule propagation, the ignore dependency update, CI coverage, and a focused regression test. These changes support issue #972 and do not show unre…
Description Check
Check skipped - CodeRabbit’s high-level summary is enabled.
Full details: Linked Issues check
Explanation
Issue #972 requires the watcher on non-Git roots to skip hidden paths that the initial scan skips. The change carries skip_hidden into WalkIgnoreRules for zlob, applies hidden-component filtering during watcher events and new-directory indexing, and supplies the ripgrep matcher for non-Git roots. The regression test covers hidden paths and visible watcher updates. The implementation also preserves explicit .ignore includes for ripgrep.
Full details: Out of Scope Changes check
Explanation
The changes are limited to watcher filtering, walker rule propagation, the ignore dependency update, CI coverage, and a focused regression test. These changes support issue #972 and do not show unrelated behavior.
Full details: Docstring Coverage
Explanation
Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 9 functions across 6 files. (2 skipped: 2 unsupported.)
Resolution
Write docstrings for the functions missing them to satisfy the coverage threshold.
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Non-git scans walk with hidden entries skipped, but the watcher's
IgnoreFilter never checked for dot components, so files created under
.foo/ afterwards were indexed and the index drifted from a rescan.
Closes#972
dkovalenko-oai
changed the title
fix(watcher): skip hidden paths on non-git roots like the scan (#972)
fix(watcher): match the scan’s hidden-file rules outside Git worktrees
Nov 11, 2026
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only still-valid issues, skip the rest with a brief reason, keep changes
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Failed pre-merge checks:
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Write docstrings for the functions missing them to satisfy the coverage
threshold.
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On a non-Git root, the watcher now skips files under hidden directories and dotfiles that the initial scan skips. Zlob carries its hidden-file setting into the watcher. Ripgrep uses its scan matcher so an explicit include in
.ignorestill applies.Closes #972
The regression test starts the filesystem watcher, creates a hidden directory and a dotfile, then waits for two successive writes in a visible directory to appear in the index. CI runs the same test with both walkers.
I ran the issue's MCP reproducer against the Linux binaries. On
main, the live index returned hidden paths that disappeared after restart. On this branch, both calls returned onlyvisible/marker_visible.txt. With a Git worktree, both calls returned all four markers.#915 tracks ripgrep ignore rules inside Git worktrees.
Summary by CodeRabbit