-

    nixPath = [
      # Ruin the config so we don't accidentally run
      # nixos-rebuild switch on the host (thanks grahamc!)
      "nixos-config=${pkgs.writeText "configuration.nix" ''
        throw "Hey dummy, you're on your server! Use NixOps!"
      ''}"
      "nixpkgs=/run/current-system/nixpkgs"
    ];
  };

  system.extraSystemBuilderCmds = ''
    ln -sv ${lib.cleanSource pkgs.path} $out/nixpkgs
  '';