until -package:numeric-prelude -package:base-prelude -package:distribution-opensuse -package:Cabal -package:dimensional -package:util -package:LambdaHack -package:netwire -package:termonad -package:ghc-lib-parser -package:language-bash is:exact

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