#{ pkgs ? import <nixpkgs> { overlays = [ (import /path/to/my-overlay.nix) ]; } }:

final: prev: {
	xorg.xinit = prev.xorg.xinit.overrideAttrs (old: {
		# Apply the patch
		patches = old.patches or [] ++ [
			./startx-xdg.patch
		];
	});
}