NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST firefox-2.0.0.20 i686-linux /nix/store/2w5a1pnvik6dj5r4xx5a67fs7licm08b-firefox-2.0.0.20.drv /nix/store/vxxk0v8nznzlz5zdkrxax042rj0y9z2x-firefox-2.0.0.20