This is just going to be a grab bag of things which do TVL-specific
things to Gerrit, whether that be exposing new Prolog predicates or, as
I intend to do as the first thing, expose Buildkite builds as checks.
Change-Id: Iaeab987a1fdbd078b85e274691c986489903bf3a
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2872
Tested-by: BuildkiteCI
Reviewed-by: tazjin <mail@tazj.in>
