> -- Hi Twitter! <https://twitter.com/taylorfausak/status/947979556220268549> > -- Hi Reddit! <https://redd.it/7nlsgx> > > -- | This is a joke package. It is meant to show Haskell packages on > -- Hackage can be mutated by revising them. This package uses a custom > -- Cabal setup. It reads the package description, which is what you are > -- reading now, and creates a file at build time from its contents. Since > -- revisions are allowed to change descriptions, the package itself is > -- mutable. I personally disagree with Hackage revisions, so I authored > -- this package to show one way they can be abused. To see how exactly this > -- is accomplished, read the custom setup file on GitHub: > -- <https://github.com/tfausak/acme-mutable-package/blob/9ff7cec/Setup.hs>. > > module AcmeMutablePackage ( mutable ) where > > -- | Are packages mutable? You might think they would be immutable, but you > -- would be wrong. > > mutable :: Bool > mutable = False -- Originally true.