File 50-yuga-firstboot.rules of Package branding-Yuga

// Allow members of the 'wheel' group to run yuga script to install locales without authentication
polkit.addRule(function(action, subject) {
    if (subject.isInGroup("wheel") && 
        (action.id === "org.freedesktop.policykit.exec" &&
         action.lookup("program") === "/usr/bin/yuga-set-language")) {
        return polkit.Result.YES;
    }
});