1 files changed, 9 insertions, 3 deletions
diff --git a/misc/update.js b/misc/update.js
index 1dbfdb10e..9177296a1 100644
--- a/misc/update.js
+++ b/misc/update.js
@@ -7,15 +7,21 @@ if (isJsEnabled()) {
     }
 
     if ($('progress')) {
-      updateCallback = function (progress, status, pb) {
+      // Success: redirect to the summary.
+      var updateCallback = function (progress, status, pb) {
         if (progress == 100) {
           pb.stopMonitoring();
           window.location = window.location.href.split('op=')[0] +'op=finished';
         }
       }
 
-      errorCallback = function (pb) {
-        window.location = window.location.href.split('op=')[0] +'op=error';
+      // Failure: point out error message and provide link to the summary.
+      var errorCallback = function (pb) {
+        var div = document.createElement('p');
+        div.className = 'error';
+        div.innerHTML = 'An unrecoverable error has occured. You can find the error message below. It is advised to copy it to the clipboard for reference. Please continue to the <a href="update.php?op=error">update summary</a>';
+        $('progress').insertBefore(div, $('progress').firstChild);
+        $('wait').style.display = 'none';
       }
 
       var progress = new progressBar('updateprogress', updateCallback, HTTPPost, errorCallback);