nixbsd-config/system/pearbutter/gui.nix

{ lib, ... }:
{
  environment.etc.machine-id.text = "4e9ae0575ebb420e8031ff82db7a37fb";

  # Intel kmod firmware is unfree, allow all unfree firmware
  nixpkgs.config.allowUnfreePredicate =
    pkg: ((pkg.meta or { }).sourceProvenance or [ ]) == [ lib.sourceTypes.binaryFirmware ];

  hardware.opengl.enable = true;
  programs.sway.enable = true;
  services.dbus.enable = true;

  services.xserver = {
    enable = true;
    desktopManager.xfce.enable = true;
    displayManager.defaultSession = "xfce";
    displayManager.lightdm.enable = true;
    exportConfiguration = true;
    libinput.enable = true;
  };
}