Gerrit Rerun Hook greasemonkey script

gerrit-rerun-hooks.user.js

// ==UserScript==
// @name          Gerrit Rerun Hooks Comment Button
// @namespace     http://www.ovirt.org/gmscripts
// @description   Add a button that will add a comment with rerun-hooks message
// @grant         none
// @include       https://gerrit.ovirt.org/#/c/*
// @version       0.1
// @run-at        document-idle
// ==/UserScript==

var BTN_TEXT="Rerun Hooks";
var BTN_ID="rerunHooks";
var MESSAGE={message: "Rerun-Hooks: all"};

window.setInterval(function () {
        if (!document.getElementById(BTN_ID)) {
          var btn = document.createElement("button");
          btn.id = BTN_ID;
          var project = 'ovirt-engine';
          var branch = 'master';
          var changeId = 'I92a7df2771bba55db485fc0c265dcb367c092102';
          btn.onclick = function (self) {
              Gerrit.post(
                '/changes/' + project + '~' + branch + '~' + changeId + '/revisions/current/review',
                MESSAGE,
                function (r) {}
                );
          };
          btn.appendChild(document.createTextNode(BTN_TEXT));
          document.getElementById("change_actions").appendChild(btn);
        }
    }, 5000);