1 files changed, 26 insertions, 5 deletions

diff --git a/bugzillaBugTriage.js b/bugzillaBugTriage.js
index 2efcd7d..be74536 100644
--- a/bugzillaBugTriage.js
+++ b/bugzillaBugTriage.js
@@ -32,7 +32,7 @@ var manifest = {
             {
                 name : "enabledPacks",
                 type : "text",
-                label : "comment packs should be enabled",
+                label : "comment packs which should be enabled",
                 "default" : ""
             }
     ]
@@ -323,7 +323,11 @@ hlpr.removeCSVValue = function removeCSVValue(str, value) {
 /**
  * Load text from URL
  *
- * @param 
+ * @param URL String
+ * @param cb_function Function to be called when the download happens with
+ * the downloaded body of the HTTP message as the only parameter
+ * @param what optional Object argument representing this for this call
+ * @return none
  */
 hlpr.loadText = function(URL, cb_function, what) {
     if (what === undefined) { // missing optional argument
@@ -344,7 +348,15 @@ hlpr.loadText = function(URL, cb_function, what) {
     req.send("");
 };
 
-// Initialization
+/**
+ * Load JSON from URL
+ *
+ * @param URL String
+ * @param cb_function Function to be called when the download happens with
+ * the downloaded JSON as the only parameter
+ * @param what optional Object argument representing this for this call
+ * @return none
+ */
 hlpr.loadJSON = function(URL, cb_function, what) {
     if (what === undefined) { // missing optional argument
         what = this;
@@ -362,7 +374,6 @@ hlpr.loadJSON = function(URL, cb_function, what) {
 // originally from
 // http://www.mjijackson.com/2008/02\
 // /rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript
-
 function Color(r, g, b) {
     this.Luminosity = 0.85;
     this.Desaturated = 0.4;
@@ -866,6 +877,12 @@ BZPage.prototype.createNewButton = function(location, after, pkg, id) {
     let newId = id + "_btn";
     let label = cmdObj["name"];
 
+    // protection against double-firings
+    if (this.doc.getElementById(newId)) {
+        console.error("Element with id " + newId + "already exists!");
+        return ;
+    }
+
     // creation of button might be conditional on existence of data in constantData
     if ("ifExist" in cmdObj) {
         if (!(cmdObj["ifExist"] in this.constantData)) {
@@ -1382,6 +1399,7 @@ RHBugzillaPage = function(doc) {
 
     let that = this;
     this.reqCounter = 0;
+    this.signaturesCounter = 0;
     this.chipMagicInterestingLine = "";
 
     this.login = this.getLogin();
@@ -1421,7 +1439,10 @@ RHBugzillaPage = function(doc) {
         let signatureFedoraString = config.gJSONData.configData.signature;
         this.doc.forms.namedItem("changeform").addEventListener("submit",
                 function() {
-                    that.addStuffToTextBox("comment", signatureFedoraString);
+                    if (this.signaturesCounter < 1) {
+                        that.addStuffToTextBox("comment", signatureFedoraString);
+                        this.signaturesCounter += 1;
+                    }
                 }, false);
     }