until -package:numeric-prelude -package:language-bash -package:distribution-opensuse -package:LambdaHack -package:snap-core is:exact -package:faktory -package:hledger-web -package:ghc-lib-parser package:utility-ht

until :: Monad m => (a -> Bool) -> m a -> m a
utility-ht Control.Monad.HT
repeat action until result fulfills condition