{ fetchurl }:

let version = "115.0";
in fetchurl {
  url = "https://raw.githubusercontent.com/arkenfox/user.js/${version}/user.js";
  sha256 = "sha256-sysEtq4aEWmkKy3KPe+4J/HJxjCxNcTAzptZ7s5JrJg=";
}