nixos/modules/services/virtualbox-guest/default.nix

{ config, lib, ... }:
let cfg = config.services.az-virtualbox-guest;
in {
  options = {
    services.az-virtualbox-guest.enable =
      lib.mkEnableOption "Enable virtualbox services";
  };

  config = lib.mkIf cfg.enable {
    virtualisation.virtualbox.guest.enable = true;
    virtualisation.virtualbox.guest.x11 = true;
    users.users.${config.az-username} = { extraGroups = [ "vboxsf" ]; };
  };
}