def decide.tip
import ezx@1.11.0.0/src/tool/plan.bend as Planimport Base
import ezx@1.11.0.0/src/tool/world.bend as TW
964# a remote's HEAD has to name a commit
965def decide.tip(ok: Bool, +url: String, +world: TW.World) -> Verdict:
966 match ok:
967 case True{}:
968 decide.co(co(world), world)
969 case False{}:
970 Stop{"ez: " ++ url ++ " has no HEAD"}