NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST gnutar-1.20 i686-linux /nix/store/gq8hk9ww7sbxj88r4gwm6r0lvbvz81lj-gnutar-1.20.drv /nix/store/md2hjc11ks0nc093b7ar12xzslv1wrqp-gnutar-1.20