Fix CleanUpStalePRChecks to handle UNKNOWN mergeable state#8165
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Previously, the workflow only processed PRs in MERGEABLE state, skipping PRs where GitHub reports the mergeable state as UNKNOWN (which happens when mergeability hasn't been computed yet). Now the workflow only skips PRs with CONFLICTING state (actual merge conflicts), and processes PRs in both MERGEABLE and UNKNOWN states. Agent-Logs-Url: https://github.com/microsoft/BCApps/sessions/9253504e-b5c0-4cd7-90a0-cf30c897fbe3 Co-authored-by: mazhelez <43066499+mazhelez@users.noreply.github.com>
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mazhelez
May 15, 2026 10:14
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Problem
The "Clean Up Stale PR Status Checks" workflow only cleans up stale PR builds when the PR's mergeable state is
MERGEABLE. However, GitHub sometimes reports the mergeable state asUNKNOWN(when it hasn't computed mergeability yet), causing those PRs to be skipped and their stale status checks to remain.Fix
Changed the condition to only skip PRs with
CONFLICTINGstate (actual merge conflicts that need manual resolution). PRs in bothMERGEABLEandUNKNOWNstates are now processed for stale check cleanup.Changes
.github/actions/CleanUpStalePRChecks/action.ps1: Replaced$pr.mergeable -ne "MERGEABLE"check with$pr.mergeable -eq "CONFLICTING"to allow processing of PRs inUNKNOWNstate.