let
  nixpkgs = fetchTarball "https://github.com/NixOS/nixpkgs/tarball/nixos-22.11";
  pkgs = import nixpkgs { config = {}; overlays = []; };
in
  pkgs.lib.evalModules {
    modules = [
      ({ config, ... }: { config._module.args = { inherit pkgs; }; })
      ./default.nix
    ];
  }