[Haskell-cafe] mtl-2.1 severly broken, cabal needs blacklisting

[Bas van Dijk]

On 13 November 2012 17:27, Andreas Abel <andreas.abel at ifi.lmu.de> wrote:
> This calls for a means of blacklisting broken or malicious packages.
>
>   cabal update
>
> should also pull a blacklist of packages that will never be selected by
> cabal install (except maybe by explicit user safety overriding).

Maybe we can use the existing preferred-versions file that cabal-install uses:

http://hackage.haskell.org/packages/archive/preferred-versions

Bas