Excerpts from it sucks's message of Wed Jun 30 03:57:55 +0200 2010:
> ===========================================================
> You do not have write access to this repository
> ========================================================================
Verify that your push url looks like this:
url = git://gitorious.org/nixpkgs/nixpkgs.git
don't use the same SSH key for multiple accounts.
did pushing work previously? Or did it never work for that repo?
Marc Weber