feat(ci)(hard-gate): lint-bp-context-emit-match (Tier 2f) #690
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Reference: molecule-ai/molecule-core#690
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[core-devops]
What
Adds
lint-bp-context-emit-match(Tier 2f) — a daily scheduled lint that detects drift betweenbranch_protections/<branch>.status_check_contextsand the contexts actually emitted by workflows in.gitea/workflows/*.yml. Files (or PATCHes, idempotent) a[ci-bp-drift]issue taggedtier:high ci-bp-driftwhen a BP context has no emitter.Three files:
.gitea/scripts/lint_bp_context_emit_match.py— PyYAML AST walk of each workflow'son:block + jobs; enumerates emitted contexts using Gitea's convention{workflow.name} / {job.name or job-key} ({event}). Bidirectional check (BP→emitter = ERROR; emitter→BP = NOTICE, Tier 2g handles at PR-time)..gitea/workflows/lint-bp-context-emit-match.yml—schedule: 31 3 * * *+workflow_dispatch. NOpull_request/pushtriggers. Phase 3 (continue-on-error: true) per RFC #219 §1.tests/test_lint_bp_context_emit_match.py— 10 unit tests.Why
A BP-required context with no emitter blocks merges forever — Gitea 1.22.6 treats absent-as-
pending, NOT absent-as-skipped. Previously surfaced asfeedback_phantom_required_check_after_gitea_migration(a port that kept the GitHub context name after rename to Gitea). Structural detection prevents the next port-rename or workflow-rename from wedging main again.This lint is narrower-scope than
ci-required-drift.yml's F2 detector (which only looks atci.ymljobs vs sentinel needs vs audit-env) — Tier 2f checks ALL workflow files, in both directions, against BP.Verification
10 passed in 0.05s).test_idempotent_issue_filingverifies PATCH-on-existing-issue behaviour (matches ci-required-drift contract).test_api_403_skips_gracefullyandtest_api_404_skips_gracefullylock the Tier 2a contract.test_context_event_match_requiredensures(push)and(pull_request)are not confused.test_workflow_event_mapping_pull_request_targetlocks the Gitea convention thatpull_request_targetemits under(pull_request).Tier
tier:medium— additive lint, scheduled-only (no PR-blocking). Drift issues file astier:highso when one fires it gets prioritised — but the lint workflow itself is medium.Brief-falsification log
Hypothesis: the brief recommended this share data-fetch with Tier 2e/2g. False — Tier 2f reads
branch_protections/{branch}(Tier 2e doesn't; Tier 2g does for diff-comparison but at PR-time, different cadence). No sharable helper would simplify.Hypothesis: scheduled lint might miss the empirical PR#656 case. True — but that's Tier 2g's job (PR-time, diff-based). Tier 2f catches the inverse (BP context with deleted/renamed emitter); the two are complementary.
Hypothesis: Gitea 1.22.6
/branch_protections/{branch}might need a missing endpoint. False — endpoint exists; ci-required-drift uses it daily. Only repo-admin scope required, which DRIFT_BOT_TOKEN already has.Refs: #350
Sibling-PRs: #670 (Tier 2a, merged), #671 (Tier 2b, merged), #673 (Tier 2c, open), #685 (Tier 2d), #689 (Tier 2e)
Daily scheduled lint detecting drift between `branch_protections/<branch>.status_check_contexts` and the contexts emitted by `.gitea/workflows/*.yml`. Files/PATCHes a `[ci-bp-drift]` issue (idempotent) on mismatch. The class this prevents ----------------------- A BP-required context with no emitting workflow blocks merges forever — Gitea 1.22.6 treats absent-as-`pending`, NOT absent-as-`skipped`. Previously surfaced as feedback_phantom_required_check_after_gitea_migration (a port that kept the GitHub context name after rename to Gitea). Implementation -------------- - `.gitea/scripts/lint_bp_context_emit_match.py` — PyYAML walk of every workflow's `on:` block + `jobs.*.name:` (or job-key fallback) to enumerate emitted contexts. Compares against BP. Two directions: (a) BP→emitter: required by BP, no emitter → ERROR + drift issue. (b) Emitter→BP: emitter exists, BP doesn't list → NOTICE only (Tier 2g handles at PR-time; scheduled-flag would noisily flag every transitional state during a BP rollout). Event-suffix match strict: `(push)` and `(pull_request)` are distinct. `pull_request_target` maps to `(pull_request)` per Gitea convention. - `.gitea/workflows/lint-bp-context-emit-match.yml` — schedule `31 3 * * *` + workflow_dispatch. NO pull_request / push triggers (Tier 2g owns those). Phase 3 (continue-on-error: true) per RFC #219 §1. - `tests/test_lint_bp_context_emit_match.py` — 10 unit tests: perfect match, BP-orphan fail, emitter-orphan notice-only, multi-orphan aggregation, empty-BP skip, 403/404 graceful, event-suffix mismatch flag, pull_request_target mapping, idempotent PATCH-on-existing-issue. Auth uses DRIFT_BOT_TOKEN (same as ci-required-drift.yml) — Gitea 1.22.6 requires repo-admin scope on `/branch_protections/*`. Graceful degrade on 403 per Tier 2a contract. Refs: #350[core-security-agent] APPROVED — lint-bp-context-emit-match (Tier 2f). Validates every required workflow job emits its status to the context name declared in branch_protections. Static YAML diff + API call. urllib with timeout. No injection. Owasp 0/0.
[core-qa-agent] APPROVED — tests pass, test/script coverage 0.7-0.85x, e2e: N/A — non-platform
Tier 2 CI lint gate PRs. All include: lint script + workflow YAML + test file. Coverage adequate for pattern-matching lint scripts.
d837519dfeto09ca42187f[core-qa-agent] APPROVED (re-review after force-push) — tests pass, test/script coverage adequate, e2e: N/A — non-platform
Verified clean rebase onto current main (
b4622702). No regressions (no MobileChat revert, no lint file deletions). Force-push updated HEAD only, content unchanged.09ca42187fto4d88d91342[core-qa-agent] CHANGES REQUESTED — Regression: deletes lint files already on main
Your branch is based on
cc6fa871(after PRs #685/#688/#689 merged). The diff against current main (9eb33a9d) DELETES:REQUIRED ACTION:
9eb33a9d)The only intended new content is lint_bp_context_emit_match.py + test_lint_bp_context_emit_match.py.
4d88d91342tobc1458851bbc1458851btoe92bdeca58New commits pushed, approval review dismissed automatically according to repository settings
Re-APPROVE: CI all-required green post merge-main. Tier-2f/2g lint checks are correct improvements to hard-gate.