[arch-haskell] Further to the discussion in pull request for yi

We've had a discussion in the pull request including yi[1] about our tool-chain. I thought it'd be better to continue it here. Peter, What do changes do you propose we make to our tool chain to support patching of packages? /M [1]: https://github.com/archhaskell/habs/issues/closed#issue/32 -- Magnus Therning                      OpenPGP: 0xAB4DFBA4 email: magnus@therning.org   jabber: magnus@therning.org twitter: magthe               http://therning.org/magnus