On any web page it will check if the clicked links goes to userscripts.org. If so, the link will be rewritten to point to userscripts-mirror.org
// ==UserScript==
// @name Redirect Userscripts.org to Userscripts-MIRROR.org
// @namespace uso2usom
// @description On any web page it will check if the clicked links goes to userscripts.org. If so, the link will be rewritten to point to userscripts-mirror.org
// @include http://*.*
// @include https://*.*
// @exclude http://userscripts.org/*
// @exclude https://userscripts.org/*
// @exclude http://userscripts.org:8080/*
// @exclude https://userscripts.org:8080/*
// @version 1
// @grant none
// ==/UserScript==
// This is a slightly brute force solution, but there is no other way to do it using only a userscript. A full-fledged addon may be created soon.
document.body.addEventListener('click', function(e){
var targ = e.target || e.srcElement;
if ( targ && targ.href && targ.href.match('https?:\/\/userscripts.org') ) {
targ.href = targ.href.replace('://userscripts.org', '://userscripts-mirror.org');
}
});