until -package:numeric-prelude -package:base-prelude -package:distribution-opensuse -package:extra -package:basic-prelude -package:singletons-base -package:language-bash -is:exact -package:monad-loops -package:netwire 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.