{ ... }: { imports = let dir = builtins.readDir ./.; in builtins.map (x: ./${x}) (builtins.filter (file: (dir.${file} == "directory")) (builtins.attrNames dir) ); config = { programs.virt-manager.enable = true; virtualisation.libvirtd.enable = true; virtualisation.spiceUSBRedirection.enable = true; }; }