User:Void/markBot.js

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if($('.mw-rollback-link').length > 0) {
	var link = mw.util.addPortletLink(
		'p-personal',
		'#',
		'MarkBot',
		'pt-markbot',
		'Make all current rollback links behave as bot rollback',
		null,
		'pt-watchlist'
	);
	link.click(function(){
		$("a[href*='action=rollback']").each(function (i, e) {
    		e.href += '&bot=1';
		});
	});
}