nixpkgs/pkgs/misc/bleeding-edge-fetch-info/upstart.nix

 args: with args; fetchurl { 
  url = http://mawercer.de/~nix/repos/upstart.tar.gz;
  sha256 = "3243857ce4e0cd0d6fe28dbdcaa294b5590befed79b54a306b40cb5c65b381db";}