{
  # nix.settings = {
  #   substituters = [
  #     "https://cosmic.cachix.org/"
  #   ];
  #   trusted-public-keys = [
  #     "cosmic.cachix.org-1:Dya9IyXD4xdBehWjrkPv6rtxpmMdRel02smYzA85dPE="
  #   ];
  # };

  environment.sessionVariables.COSMIC_DATA_CONTROL_ENABLED = 1;
  services = {
    desktopManager.cosmic = {
      enable = true;
      xwayland.enable = true;
    };
    # displayManager.cosmic-greeter.enable = true;
  };
}