https://bugzilla.wikimedia.org/show_bug.cgi?id=70702
--- Comment #1 from JAn Dudík jan.dudik@gmail.com --- Ideally, when there is some parameter like -manual. If bot found that value exists, there will be possibilities [r]eplace / [s]kip / [a]dd (overwrite value / do nothing / add new walue)
without this parameter bot automatically skips.