NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST gimp-2.6.6 x86_64-linux /nix/store/f4c89prvf06xpls2jk144fz45c667if4-gimp-2.6.6.drv /nix/store/8l74hyqasjjchqb4dja7b4yab6dq7pq1-gimp-2.6.6