Auto reinstall packages for new GHC?

Duncan Coutts duncan.coutts at
Wed Dec 23 17:56:03 EST 2009

On Wed, 2009-12-23 at 15:51 +0000, jonathanGfischoff at wrote:
> Hi, 
> I heard on the #haskell irc channel that there might be a way to get
> cabal to automatically update a new version of ghc with all the
> previously installed packages. Is that true? If so, I would love to
> know how.

Yes, I was referring to a feature in cabal-install for which there are
patches available (by Peter Robinson) but I have not yet got round to
reviewing and applying them.

So the answer is wait for the next release.


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