Mandatory job results converge on an aggregate check. A separate repository rule must require the correct check for the intended event and revision; workflow YAML alone does not enforce merging.

GitHub Actions workflows gate the build

A workflow can produce evidence for a merge decision, but YAML alone does not make that evidence mandatory. A dependable build gate connects the intended event, the exact revision being tested, meaningful test results, and a repository rule requiring the correct check. Review those connections together. A green badge on some earlier run is not proof that the proposed merge has satisfied today’s requirements. ...

September 2, 2027 · 5 min · XB Field Notes