{ pkgs, ... }:
pkgs.mkShell {
  name = "shell";
  src = null;
  #preferLocalBuild = true;
  #allowSubstitutes = false;
  buildInputs = [
    (pkgs.nixos []).nixos-install
  ];
  #enableParallelBuilding = true;
  PASSWORD_STORE_DIR = "pass";
  PATH = "$NIX_SHELL_PATH:$PATH";
  NIX_PATH = pkgs.lib.concatStringsSep ":" [
    "nixpkgs=${toString pkgs.path}"
    #"nixpkgs-overlays=$PWD/nixpkgs/overlays.nix"
  ];
  shellHook = ''
    echo >&2 "nix: running shellHook"
  '';
}