I actually need this one, probably not the most useful script ever made.
// ==UserScript==
// @name JIRA issue linking for git.reactos.org
// @description I actually need this one, probably not the most useful script ever made.
// @namespace swyter
// @match https://git.reactos.org/*
// @version 2015.10.25
// @grant none
// ==/UserScript==
var page_body = document.querySelector(".page_body");
page_body.innerHTML = page_body.innerHTML.replace(/(CORE-\w+)/, "<a href='https://jira.reactos.org/browse/$1'>$1</a>");