[Distutils] [Catalog-sig] distribute D.C. sprint tasks

["Martin v. Löwis"]

> I think we should also investigate how other repositories like CPAN
> or the Ruby world deals with mirroring. A notification mechanism appears
> fragile to me. I believe that the mirrors should remain "dumb"
> in order to keep the complete system simple and solid - less moving
> parts are better than more. I really have a bad feeling about the
> approach as described in your PEP.

I'm also skeptical about that. I don't think this callback solves any
specific problem.

Regards,
Martin