Add repo-gate-exclude-globs Input to Narrow sha-pin/eol-coverage Scans - #958
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Fixes #957. `repo_gate.py`'s `tracked()` read every git-tracked path with no way for a caller to narrow it, so `sha-pin` and `eol-coverage` (both of which read that list) had no per-repo exclusion point. Blog vendors the PaperMod theme under `themes/PaperMod/` as plain tracked files, byte-identical to upstream per `themes/README.md`'s documented invariant, and PaperMod's own CI workflows pin actions by floating tag, which Blog does not author and does not locally edit. Adopting the hub's `validate-task.yml` therefore fails `sha-pin` on all 5 of PaperMod's own pins every run, with no way to scope them out without breaking the byte-identical invariant. ## The fix The same shape `markdown-exclude-globs` (#935) already established for the Lint Markdown step, applied to the repo gate: - `repo_gate.py`: `tracked()` takes an optional `exclude` list, turned into `:!<pattern>` pathspecs appended to `git ls-files` after `--`. The CLI gained a repeatable `--exclude PATTERN` argument, and `main()` prints a note naming what was excluded, since a check that quietly scans less than its own docstring claims is exactly the silent narrowing this script's own `NOTES` convention exists to surface. - `.github/actions/repo-gate/action.yml`: a new `exclude-globs` input, newline-separated, turned into repeated `--exclude` arguments by the composite step's own shell before invoking `repo_gate.py`. - `.github/workflows/validate-task.yml`: a new `repo-gate-exclude-globs` `workflow_call` input, threaded straight through to the action's `exclude-globs`. Empty by default, so the default caller excludes nothing. - `docs/reusable-workflows.md` "Adopting the Gates": documents the new input with Blog's own PaperMod case, the same way the markdown section above it documents `markdown-exclude-globs`. Unlike `markdown-exclude-globs`, a line here is never negated: it is always a pathspec to drop, so `themes/PaperMod/**` excludes rather than `!themes/PaperMod/**`. ## Verified Added `TestExcludeGlobs` (a fresh git repo per case, so the exclude is proven against a real subtree rather than one this repo happens to carry) and a repo-level floor test excluding this repo's own two `workflows/*.yml`-matching directories down to zero. Exercised the composite action's own shell logic directly for both the multi-pattern and empty-input cases. Ran `--exclude` against this checkout directly, confirming `sha-pin` resolves 0 pins once every workflow directory is excluded. Full test suite (804 tests), ruff check and format, mypy, `repo_gate.py` against this checkout, `prose_lint.py --diff origin/develop`, and `docker_lint.py` (actionlint, markdownlint, editorconfig-checker) all pass clean.
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Included review availability: Your plan provides up to 10 included reviews per hour; 6 remain after this review. 📝 WalkthroughWalkthroughThe repository-gate action now accepts optional path exclusions. The reusable workflow forwards these exclusions to ChangesRepository gate exclusion support
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🟡 Moderate · up to When all tracked paths are excluded, the repository gate can report failure even though Git completed successfully, causing valid workflow configurations to fail. This bounded correctness issue should be fixed or explicitly accepted before merge. Sequence Diagram(s)sequenceDiagram
participant Workflow caller
participant validate-task.yml
participant repo-gate action
participant repo_gate.py
participant Git
Workflow caller->>validate-task.yml: provide repo-gate-exclude-globs
validate-task.yml->>repo-gate action: pass exclude-globs
repo-gate action->>repo_gate.py: pass repeated --exclude patterns
repo_gate.py->>Git: list tracked files with exclusions
Git-->>repo_gate.py: return filtered files
repo_gate.py-->>repo-gate action: run repository checks
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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PR Summary by QodoAdd exclude-globs input to narrow repo-gate sha-pin/eol-coverage scans
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High-Level Assessment
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Contributor
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🟢 Approval recommended
The exclude-globs plumbing is consistently threaded end-to-end, includes targeted tests for both the git pathspec behavior and CLI wiring, and keeps defaults unchanged for existing callers.
Pull request overview
Adds an exclusion mechanism to the repo gate so downstream repos can narrow sha-pin / eol-coverage scans when they vendor third-party trees (e.g., PaperMod) that must remain byte-identical and should not be “fixed” locally to satisfy hub gates.
Changes:
- Extend
repo_gate.pywith repeatable--excludepatterns that narrowgit ls-filesvia exclude pathspecs, and emit a one-time note when narrowing is active. - Plumb a new
exclude-globsinput through therepo-gatecomposite action and a newrepo-gate-exclude-globsworkflow_callinput throughvalidate-task.yml. - Add focused tests proving exclude behavior (including CLI wiring) and document the new workflow input with a concrete vendored-theme example.
File summaries
| File | Description |
|---|---|
scripts/tests/test_repo_gate.py |
Adds coverage floors and fixtures proving tracked(..., exclude=...) and the CLI --exclude flag narrow the scan as intended. |
docs/reusable-workflows.md |
Documents repo-gate-exclude-globs with the PaperMod vendoring scenario and usage snippet. |
.github/workflows/validate-task.yml |
Introduces repo-gate-exclude-globs input and threads it into the repo-gate action invocation. |
.github/actions/repo-gate/repo_gate.py |
Implements tracked(exclude=...), adds CLI --exclude, and prints a narrowing note for visibility. |
.github/actions/repo-gate/action.yml |
Adds exclude-globs input and converts newline-separated patterns into repeated --exclude args. |
Review details
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Actionable comments posted: 3
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Inline comments:
In @.github/actions/repo-gate/repo_gate.py:
- Around line 368-374: Update the scan-reporting logic around the exclude
handling to compare the tracked-file set before and after applying a.exclude,
and print the narrowing note only when those sets differ. Preserve the existing
message and pattern listing for actual exclusions, while omitting it when all
exclude patterns match no tracked files.
- Around line 364-367: Update the tracked() flow and its caller to preserve git
ls-files failures separately from a valid empty result: propagate or return an
explicit failure when the command errors, while allowing an empty filtered file
set to continue without reporting “not a git repo or no tracked files.” Ensure
the repo-gate status handling distinguishes command failure from no matching
tracked files.
- Around line 121-124: Split the new prose into sentences of no more than 25
words: in .github/actions/repo-gate/repo_gate.py lines 121-124, separate
pathspec construction from the vendored-subtree rationale; in
.github/actions/repo-gate/action.yml lines 7-10, separate argument conversion
from default behavior; and in docs/reusable-workflows.md lines 368-376, separate
the vendor problem, caller input, and pathspec semantics.
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Fix all unresolved CodeRabbit comments on this PR:
- Push a commit to this branch (recommended)
- Create a new PR with the fixes
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📒 Files selected for processing (5)
.github/actions/repo-gate/action.yml.github/actions/repo-gate/repo_gate.py.github/workflows/validate-task.ymldocs/reusable-workflows.mdscripts/tests/test_repo_gate.py
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Code Review by Qodo
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…owing Three CodeRabbit findings on PR #958's round-1 review, all reproduced before the fix. ## New prose exceeded the 25-word sentence cap The docstring in `repo_gate.py`, `action.yml`'s new input description, and the new paragraph in `docs/reusable-workflows.md` each carried a sentence over the ASD-STE100 cap GOVERNANCE.md documents. Split each into shorter sentences; word counts verified with a scratch script before applying. ## `tracked()` silently discarded a genuine `git ls-files` failure `sh()` captures stdout only, so a failing command (a caller's malformed `--exclude` pathspec, an unreadable root) produced the same empty result as a legitimately empty scan, with the actual error dropped. `tracked()` now runs the command directly, prints git's own stderr on a nonzero exit, and `main()`'s "no tracked files" message now distinguishes an exclude-driven empty result from the original "not a git repo" case. ## The narrowing note fired even when nothing was excluded `--exclude no/such/path/**` (a caller's own typo) reported "narrowed the tracked-file scan" despite matching zero tracked files, hiding exactly the kind of caller mistake the note exists to surface. `main()` now compares the filtered and unfiltered scans and only claims narrowing when the count actually dropped, reporting the file count removed. ## Verified Reproduced all three fault shapes against a scratch repo and against this checkout directly before fixing: a >25-word new sentence would have failed `prose_lint.py --diff origin/develop`, a mocked git failure was silently swallowed, and `--exclude no/such/path/**` printed a false "narrowed" note. Added `test_a_failed_ls_files_call_prints_gits_own_error` and `test_a_pattern_matching_nothing_is_not_reported_as_narrowing`; updated the existing wiring test for the new note wording. Full test suite (806 tests), ruff check and format, mypy, `repo_gate.py` against this checkout (including both new note branches exercised directly), and `prose_lint.py --diff origin/develop` all pass clean.
Contributor
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🟢 Approval recommended
The exclusion plumbing is end-to-end wired (workflow → action → CLI), preserves the default full-scan behavior, and is backed by targeted tests for both git pathspec filtering and CLI note output.
Review details
- Files reviewed: 5/5 changed files
- Comments generated: 0 new
- Review effort level: Lite
ptr727
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Aug 23, 2026
…ked List (#960) Real finding from coderabbitai on PR #959 (the develop -> main promotion PR carrying #958's exclude-globs work), reproduced before the fix. `repo-gate-exclude-globs`'s description claimed it narrows what `sha-pin`, `eol`, and `eol-coverage` scan, but `check_eol()` never reads its `files` parameter at all: it only compares `.editorconfig` and `.gitattributes` content directly. Only `sha-pin` (via `workflow_files(files)`) and the tracked-path portion of `eol-coverage` (via its shebang scan) actually narrow with the exclude list. ## The fix `.github/workflows/validate-task.yml`: dropped `eol` from the description, per CodeRabbit's own proposed wording. ## Verified `python3 scripts/repo_gate.py`, `prose_lint.py --diff origin/develop`, and a YAML parse of the edited file all pass clean. The change is a one-line description string; no behavior changed. 🤖 Generated with [Claude Code](https://claude.com/claude-code) <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Documentation** * Clarified which validation scans are affected when paths are excluded from repository checks. <!-- end of auto-generated comment: release notes by coderabbit.ai -->
ptr727
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Aug 23, 2026
Real, HIGH-severity finding from qodo-code-review on PR #959 (the develop -> main promotion PR carrying #958/#960's exclude-globs work). `tracked()` printed git's own stderr on a nonzero exit but still parsed and returned `result.stdout` regardless. `main()` only checks `if not files:`, so a failed `git ls-files` call that happened to emit any stdout before failing would be read as a successful, complete scan, letting every check run against a silently incomplete file list. ## The fix `tracked()` now returns `[]` unconditionally on a nonzero exit, after printing stderr, never falling through to parse stdout on that path. ## Verified Added `test_a_failed_call_is_never_trusted_even_with_nonempty_stdout` (a mocked nonzero exit carrying non-empty stdout, asserting `tracked()` still returns `[]`). Full test suite (807 tests), ruff check and format, mypy, `repo_gate.py` against this checkout, and `prose_lint.py --diff origin/develop` all pass clean. 🤖 Generated with [Claude Code](https://claude.com/claude-code) <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit - **Bug Fixes** - Improved repository checks to safely handle failures when retrieving tracked files. - Prevented partial or invalid file results from being processed after a command failure. - Added clearer failure details when command error output is unavailable. - **Tests** - Added regression coverage for failed file-list retrieval, including cases with partial output and missing error details. <!-- end of auto-generated comment: release notes by coderabbit.ai -->
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Fixes #957.
repo_gate.py'stracked()read every git-tracked path with no way for a caller to narrow it, sosha-pinandeol-coverage(both of which read that list) had no per-repo exclusion point. Blog vendors the PaperMod theme underthemes/PaperMod/as plain tracked files, byte-identical to upstream perthemes/README.md's documented invariant, and PaperMod's own CI workflows pin actions by floating tag, which Blog does not author and does not locally edit. Adopting the hub'svalidate-task.ymltherefore failssha-pinon all 5 of PaperMod's own pins every run, with no way to scope them out without breaking the byte-identical invariant.The fix
The same shape
markdown-exclude-globs(#935) already established for the Lint Markdown step, applied to the repo gate:repo_gate.py:tracked()takes an optionalexcludelist, turned into:!<pattern>pathspecs appended togit ls-filesafter--. The CLI gained a repeatable--exclude PATTERNargument, andmain()prints a note naming what was excluded, since a check that quietly scans less than its own docstring claims is exactly the silent narrowing this script's ownNOTESconvention exists to surface..github/actions/repo-gate/action.yml: a newexclude-globsinput, newline-separated, turned into repeated--excludearguments by the composite step's own shell before invokingrepo_gate.py..github/workflows/validate-task.yml: a newrepo-gate-exclude-globsworkflow_callinput, threaded straight through to the action'sexclude-globs. Empty by default, so the default caller excludes nothing.docs/reusable-workflows.md"Adopting the Gates": documents the new input with Blog's own PaperMod case, the same way the markdown section above it documentsmarkdown-exclude-globs.Unlike
markdown-exclude-globs, a line here is never negated: it is always a pathspec to drop, sothemes/PaperMod/**excludes rather than!themes/PaperMod/**.Verified
Added
TestExcludeGlobs(a fresh git repo per case, so the exclude is proven against a real subtree rather than one this repo happens to carry) and a repo-level floor test excluding this repo's own twoworkflows/*.yml-matching directories down to zero. Exercised the composite action's own shell logic directly for both the multi-pattern and empty-input cases. Ran--excludeagainst this checkout directly, confirmingsha-pinresolves 0 pins once every workflow directory is excluded. Full test suite (804 tests), ruff check and format, mypy,repo_gate.pyagainst this checkout,prose_lint.py --diff origin/develop, anddocker_lint.py(actionlint, markdownlint, editorconfig-checker) all pass clean.🤖 Generated with Claude Code
Summary by CodeRabbit
New Features
Documentation
Bug Fixes