{
  config,
  pkgs,
  nixgl,
  ...
}:
{
  imports = [
    # ./roles/2ship2harkinian
    # ./roles/ares
    # ./roles/dolphin
    # ./roles/dont_use_substituters
    # ./roles/duckstation
    # ./roles/global_options
    # ./roles/graphics
    # ./roles/pcsx2
    # ./roles/rpcs3
    # ./roles/ryujinx
    # ./roles/shipwright
    # ./roles/sm64ex
    # ./roles/spaghettikart
    # ./roles/steam_rom_manager
    # ./roles/yuzu
    # ./util/copy_files
    # ./util/persist_symlink
    ./util/unfree_polyfill
  ];

  # enable flakes
  # nix = {
  #   package = pkgs.nix;
  #   settings.experimental-features = [
  #     "nix-command"
  #     "flakes"
  #   ];
  # };
  # Automatic garbage collection
  # nix.gc = {
  #   # Runs nix-collect-garbage --delete-older-than 30d
  #   automatic = true;
  #   randomizedDelaySec = "14m";
  #   options = "--delete-older-than 30d";
  # };
  # nix.settings.auto-optimise-store = true;

  # home.packages = with pkgs; [
  #   pkgs.nixgl.nixGLIntel
  #   (pkgs.nixgl.nixGLCommon pkgs.nixgl.nixGLIntel)
  #   pkgs.nixgl.nixVulkanIntel
  # ];

  # This would keep build-time dependencies so I can rebuild while offline.
  # nix.settings = {
  #   keep-outputs = true;
  #   keep-derivations = true;
  # };

  config = {
    castrum.packages = with pkgs; [ nano ];
  };
}