greasemonkey-bugzilla-hide-obsolete-comments.js

// ==UserScript==
// @name           hide obs bz
// @author         Jonathan Druart <jonathan.druart@bugs.koha-community.org>
// @namespace      http://bugs.koha-community.org
// @description    Hide obsolete patches on Bugzilla
// @license        the beer-ware license
// @grant          none
// @require        http://code.jquery.com/jquery-1.8.3.min.js
// @include        https://bugs.koha-community.org/*
// ==/UserScript==

var comment_nodes = $("div.bz_comment");
$(comment_nodes).each(function(){
    var comment_text_node = $(this).find('pre.bz_comment_text');
    if ( $(comment_text_node).find('span.bz_obsolete').size() > 0 && $(comment_text_node).html().match(/^Created/) ) {
        $(this).find('a.bz_collapse_comment').click();
    }
});