feat: add .git-ai-ignore file support for custom ignore patterns#573
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feat: add .git-ai-ignore file support for custom ignore patterns#573
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Add support for a .git-ai-ignore file at the repository root that allows users to specify additional file patterns to ignore in git-ai tracking. The file follows .gitignore syntax (one glob pattern per line, # comments, blank lines skipped). Patterns from .git-ai-ignore are unioned with: - Default ignore patterns (lockfiles, generated files, etc.) - Linguist-generated patterns from .gitattributes - User-provided --ignore CLI patterns Works for both regular and bare repositories (reads from HEAD for bare). Includes unit tests for: - Loading patterns from workdir and bare repos - Comment/blank line handling - Deduplication - Missing file handling - Union with gitattributes and user patterns Includes integration tests for: - Checkpoint filtering with .git-ai-ignore - Status diff counting with .git-ai-ignore - Union behavior with .gitattributes linguist-generated Co-Authored-By: unknown <>
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Co-Authored-By: unknown <>
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feat: add .git-ai-ignore file support for custom ignore patterns
Summary
Adds support for a
.git-ai-ignorefile at the repository root, allowing users to specify additional file patterns to exclude from git-ai tracking. The file uses.gitignore-style syntax (one glob pattern per line,#comments, blank lines skipped).Patterns from
.git-ai-ignoreare unioned with all existing ignore sources ineffective_ignore_patterns():.gitattributeslinguist-generatedpatterns.git-ai-ignorepatterns ← new--ignorepatternsThe implementation mirrors the existing
.gitattributesloading: reads from workdir for normal repos, reads fromHEADfor bare repos.No callers were changed — all four call sites (
checkpoint.rs,status.rs,post_commit.rs,git_ai_handlers.rs) go througheffective_ignore_patterns(), so.git-ai-ignoreis picked up automatically everywhere.Review & Testing Checklist for Human
trim()and skips#-prefixed lines, but does NOT support.gitignorenegation (!pattern), escaped hashes (\#), or directory-only trailing slashes (dir/). Confirm this subset is sufficient for the intended use case..git-ai-ignorepatterns are inserted after.gitattributeslinguist-generated and before extra/user patterns. Verify this doesn't cause unexpected precedence issues given that all patterns are additive (ignore-only, no un-ignore)..git-ai-ignorecontaining a pattern likedocs/**, make changes to files matching that pattern, rungit-ai checkpointandgit-ai status --json, and confirm those files are excluded from stats.Notes
.git-ai-ignorefile is read from the working directory (not the committed version) for non-bare repos, consistent with how.gitattributesis already handled. This means uncommitted.git-ai-ignorefiles take effect immediately.