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It check status on a pr, and when some set are successful it makes itself successful.
If any that it's watching fail, it fails.
If the force-merge label is applied, it succeeds.
With the plan: we make EasyCLA and probably Sanity, and this one required statuses for merging (i.e. anything that should not be bypassed still gets verified by GitHub)
We make every other status that we believe in (so everything but the Google3 presubmits because they're fresh?) something that this script verifies.
That lets us do automerge (all things are passing)
And if all things are not passing we can use human judgement and apply the force-merge label to bypass these checks... But importantly not the CLA check
Eugene Ostroukhov
Craig Tiller
AJ Heller
Alex