NIXPKG1 http://nixos.org/releases/nixpkgs/nixpkgs-0.12/MANIFEST sysklogd-1.5 x86_64-linux /nix/store/rxkcyg3mng5dysp1mi32afqhfn353z1h-sysklogd-1.5.drv /nix/store/8g086snmwz9pnfc6hxq6khkhd381s2qi-sysklogd-1.5