pkgs:

import (builtins.fetchTarball {
  url = "https://github.com/nix-community/NUR/archive/master.tar.gz";
  sha256 = "0r2pcc6sjxmhg1xxk23648wrwccv2c5v44cfwglx35az5y0hmr1f";
}) {
  inherit pkgs;
}