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Release T-4 does not wait for the tag's coverage run — a COV_FLOOR breach on the tag reds a run but does not stop the cascade (#3676 follow-up) #3690
Description
#3676 (PR #3688) takes ci / coverage off the PR/queue/push path, per the operator: "YES, coverage on tags release only". coverage-nightly.yml now also runs on every v* tag and enforces COV_FLOOR through make coverage. Nothing on the release path waits for that run. scripts/release/autopilot.sh goes tag → clean-room → assets → preflight → cascade. A floor breach reds the tag's coverage run, but the crates.io cascade proceeds anyway.
The pre-publish dogfood's make coverage-check still measures coverage before the tag, so a regression is not unguarded. The gap is that the tag's own run is recorded and never consulted. #3676's done_when says "a planted coverage drop fails the tag". Today that holds for the run, not for the release.
Deliberately not done in #3688, because it changes the release path and #3688 was built on the 0.69 cut day.
What lands
autopilot.sh: after the tag, find thecoverage-nightly.ymlrun forrefs/tags/<T>, the way the step already waits for the clean-room run, and requireconclusion == successbeforedryrun/cascade. Absent after the wait, or not success, is adienaming the run.- A case-table row: a stubbed
gh run listreturning a failed tag coverage run stops the autopilot before the cascade; a missing run stops it too, because Unknown is not a pass.
Activity
noahgift commentedon Sep 25, 2026
Moved 0.70.0 → 0.70.1 per the cop ruling on the 0.70.0 burndown (aprender-77, 2026-09-25). This issue is not on the critical path of any 0.70.0 gate (ONT-001, all [[bin]]s #4189, discharge --strict, merge-back #4338). Burndown: /mnt/nvme-raid0/cop-inbox/aprender-ea-070-burndown.md — aprender-ea
noahgift commentedon Sep 25, 2026
Status check (aprender-ea, 12:1xZ 2026-09-25): implemented on
batch/0.70.0by 51b3f2b (+665b67f14 #4352).autopilot.shstep 5 runsscripts/release/tag_coverage_gate.sh "$T" "$MC"before preflight and dies on rc≠0.--self-testPASS on the batch tip, including the rows "a COV_FLOOR breach stops the release" and "a missing run stops it too (Unknown is not a pass)". Closes when #4372 lands.noahgift commentedon Sep 25, 2026
Parked by APR-EPIC-001: over S1 budget (rank 68/163). Reopen = pull. Applied by aprender-d1: claude+agy both said close, apr shadow row recorded (handoff/close-quorum-2026-09-25.json).