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