ci: gate API compatibility with gorelease against the latest tag - #5
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Adds an api-compat job that diffs the exported Go API against the latest release tag. Incompatible changes fail the job unless the PR carries the api:break-approved label, making every break a reviewed, deliberate act; operational gorelease errors fail regardless of the label. The job checks out full history because baseline resolution needs tags, and runs gorelease via 'go run @latest' so the module's own tidy-drift check is not perturbed. Plan step 0.1; lands while the baseline (v0.4.2 == HEAD) is trivially clean so the first run proves the gate green. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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📝 WalkthroughWalkthroughThe CI workflow adds an ChangesAPI Compatibility Validation
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: 🟡 Moderate · up to This change adds API compatibility enforcement, but the current workflow may select the wrong comparison baseline and may allow tool failures to pass when an approval label is present, causing incompatible API changes to be missed or valid changes to be rejected. The job also introduces a bounded CI supply-chain exposure from executing an unpinned tool with checkout credentials, so merge should wait for the CI correctness issues to be addressed or explicitly accepted. Poem
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.) ✨ Finishing Touches🧪 Generate unit tests (beta)
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The api-compat job runs only on pull_request events: a push run on main has no PR labels, so a just-merged approved break would fail main until the next tag moved the baseline. gorelease is pinned to an exact x/exp pseudo-version per the repository's dependency convention instead of resolving latest on every run. The pull_request trigger gains the labeled/unlabeled activity types so applying the api:break-approved escape hatch actually re-evaluates the gate. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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In @.github/workflows/ci.yml:
- Line 54: Update the tag selection command near the tag variable to use git tag
--merged HEAD, filter strictly for the vX.Y.Z stable format so prerelease tags
are excluded, and then sort and select the newest matching tag as the baseline.
- Around line 43-48: Update the CI workflow to pin actions/checkout,
actions/setup-go, and the gorelease executable to reviewed immutable revisions,
and set persist-credentials to false in the checkout configuration while
preserving the full-depth fetch required for release-tag discovery.
- Around line 68-76: Update the status-handling flow around the
incompatible-change check so a nonzero status from gorelease is rejected before
evaluating BREAK_APPROVED. Preserve approval-label acceptance only when the
report is a clean incompatible-change result, and retain the existing failure
behavior for other nonzero statuses.
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.github/workflows/ci.yml
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…-before-approval The baseline is now the latest stable tag reachable from HEAD (--merged plus a strict vX.Y.Z pattern), so prerelease tags and tags from other histories cannot become the diff base. The job's actions are pinned to immutable revisions and the checkout no longer persists credentials — it only reads local Git metadata. Version errors in the gorelease report now fail before the approval label is consulted: the escape hatch accepts a clean incompatible-changes report, never a run that also reported errors. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Stack position: S1 — first implementation PR of the SDK maturity program (plan step 0.1; see bomly-cli#411). Targets #4; retarget to
mainwhen #4 merges.Adds an
api-compatCI job that runsgoreleaseagainst the latest release tag:api:break-approvedlabel — every break becomes a reviewed, deliberate act, which is what the v0 policy needs once the identity rework (ADR-0036) starts.fetch-depth: 0) because baseline resolution needs tags;go run golang.org/x/exp/cmd/gorelease@latestruns in its own module context so the existing tidy-drift check is untouched.Landing now is deliberate: the baseline (v0.4.2 == current main) is trivially clean, so the first CI run proves the gate green. Verified locally in a clean worktree:
gorelease -base=v0.4.2→ "Suggested version: v0.4.3", exit 0.🤖 Generated with Claude Code
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