until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:netwire -package:llvm-hs-pure is:exact -package:foundation -package:base -package:ghc-lib-parser -package:classy-prelude -package:freckle-app

until p f yields the result of applying f until p holds.
repeat action until result fulfills condition