anchor.diff:    inherit (lib)
       elem
       mkIf
  -    optionals
  -    optionalString
       singleton;
   
     drivers = config.services.xserver.videoDrivers;
  
positive.code:     services.xserver.screenSection = ''
        Option "RandRRotation" "on"
      '';
  
    };
  
  
negative.code:       nvidia-drivers_kernelspace
      ];
  
      boot.kernelModules = [
        "nvidia"
        "nvidia_drm"
        "nvidia_modeset"
        "nvidia_uvm"
      ];
  
      boot.initrd.availableKernelModules = [
        "nvidia"
        "nvidia_drm"
        "nvidia_modeset"
        "nvidia_uvm"
      ];
  
      boot.kernelParams = [
        "nvidia-drm.modeset=1"
      ];
  
  