Tue Mar 18 18:30:47 CET 2008  Andrea Vezzosi <sanzhiyan@gmail.com>
  * FIX #40, now cabal sdist creates the archive using Hackage.Tar
  we don't call setup sdist anymore but we use functions from Distribution.Simple.SrcDist

It depends on this patch for the cabal repo:
Tue Mar 18 04:21:45 CET 2008  Andrea Vezzosi <sanzhiyan@gmail.com>
  * small refactor in Distribution.Simple.SrcDist
  to ease its use in cabal-install

the patch for cabal is gzipped to avoid the need for moderation.