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

On 13 November 2012 17:27, Andreas Abel 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