[Haskell-cafe] Hackage policy question

[Ross Paterson]

On Tue, Sep 09, 2008 at 10:59:17PM +0000, Duncan Coutts wrote:
> The .tar.gz packages are pristine and must not change, however
> the .cabal file that is kept in the hackage index could change and that
> information will be reflected both in the hackage website and just as
> importantly for tools like cabal-install. So not only could the
> maintainer fix urls or whatever but also adjust dependencies in the
> light of test results. Consider the analogy to pristine tarballs and
> debian or gentoo meta-data files. The former never changes for a
> particular version, but the meta-data can be adjusted as the
> distributors see fit.

So if Debian or Gentoo etc repackage one of these packages in their
distributions, what is the pristine tarball that they use?