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feat(ci): default-branch actions.lock repair in the Dependabot lock sweep - #1248
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…weep The sweep only repaired open Dependabot and applier PRs, so a stale lock that already reached a default branch (proof-burrower#110, merged red because "Actions lockfile verify" is not required) stayed stale. Every caller workflow then hits startup_failure and its required checks never report. REGEN_MAIN=1 (the new 04:41 UTC tick, or dispatch with main-repair) runs the same repair chain on each default branch. When the lock changes it opens one lock-only PR from chore/regenerate-actions-lock. It skips a repo that already has that PR open, reuses the branch only when its head is its own leftover repair commit, and never touches a branch it did not write. The App needs Pull requests R/W for this. Tests: 59/59 in scripts/tests/regen-dependabot-locks-test.sh; the always-force-move and ignore-open-repair-PR mutants both fail them. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_019a95kk88TZ1iegsBK3kox3
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hyperpolymath
marked this pull request as ready for review
October 14, 2026 09:48
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K9 contract conformancerun https://github.com/hyperpolymath/standards/actions/runs/38544926415 K9 normative contract typecheckK9 contract self-testK9 conformance fixturesK9 corpus conformance (L2) |
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K9 contract conformancerun https://github.com/hyperpolymath/standards/actions/runs/38548645118 K9 normative contract typecheckK9 contract self-testK9 conformance fixturesK9 corpus conformance (L2) |
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K9 contract conformancerun https://github.com/hyperpolymath/standards/actions/runs/38549501368 K9 normative contract typecheckK9 contract self-testK9 conformance fixturesK9 corpus conformance (L2) |
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What
dependabot-lock-regen.ymlonly repaired open Dependabot and applier PRs. A staleactions.lockthat had already reached a default branch stayed stale. That happened with proof-burrower#110, which dependabot-automerge merged red because "Actions lockfile verify" is not a required check. After that, every caller workflow in the repo hitsstartup_failureand its required checks never report. proof-burrower#111 sat on "analyze (actions, none) — Expected" for this reason.This PR adds a default-branch repair mode,
REGEN_MAIN=1:When it runs. A new daily
41 4 * * *tick, or a dispatch withmain-repair: true. The half-hourly ticks behave as before.What it does. For each repo it runs the same repair chain on the default branch:
gh actions-lock--verify-localcheck-lock-sync.shIf the lock changes, it creates
chore/regenerate-actions-lockfrom the default-branch head, commits the lock throughcreateCommitOnBranch(withexpectedHeadOid), and opens one lock-only PR.Safety.
select_prsnow also matches bot-authored PRs from the repair branch, so later sweeps keep that PR's lock current.No new
uses:. The gh-actions-lock pin is the estate pin, which matches the governance reusable workflow. Sincemainwas merged in (58d3c80, carrying fix(ci): move the estate's gh-actions-lock pin to v0.2.0, with a real-binary contract test #1250), both are v0.2.0.scripts/tests/gh-actions-lock-contract-test.shholds every install to one version.Owner action this depends on (decision O11, "App + regen + required")
The workflow is
disabled_manuallyand the applier App doesn't exist yet. To turn this on:vars.APP_IDandsecrets.APP_PRIVATE_KEYon standards.dependabot-lock-regen.yml.After one green sweep, the follow-up makes "Actions lockfile verify" required, so a red lock can no longer auto-merge.
Evidence
scripts/tests/regen-dependabot-locks-test.sh: 59/59 pass. New cases:select_prs, bot vs human author;REGEN_MAINwiring on and off.bash -n: clean. actionlint v1.7.7: clean. Workflow duplicate-key check: clean.Status: TESTED (stubbed
gh, local fixture clone). Not yet run live, because the App is absent.🤖 Generated with Claude Code
https://claude.ai/code/session_019a95kk88TZ1iegsBK3kox3
Generated by Claude Code