until -package:numeric-prelude -package:language-bash -package:base-compat -package:foundation is:exact -package:faktory -package:hledger-web -package:classy-prelude -package:prelude-compat -package:xmonad-contrib -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