{}:
 [(self: super: { 
    openttd-jgrpp = super.openttd-jgrpp.overrideAttrs (old: rec{ 
        version = "0.53.3";

        src = super.fetchFromGitHub rec {
            owner = "JGRennison";
            repo = "OpenTTD-patches";
            rev = "jgrpp-0.53.3";
            hash = "sha256-xpo4E07ifWUZy5z78Fwm1SpLP3wUBaBreZYbJuiNH3w=";
        };
    }); 
})]