1 files changed, 21 insertions, 1 deletions

diff --git a/application/Updater.php b/application/Updater.php
index c2aa1568..5dde47cb 100644
--- a/application/Updater.php
+++ b/application/Updater.php
@@ -502,7 +502,7 @@ class Updater
             return true;
         }
 
-        $thumbnailsEnabled = $this->conf->get('thumbnail.enable_thumbnails', true);
+        $thumbnailsEnabled = extension_loaded('gd') && $this->conf->get('thumbnail.enable_thumbnails', true);
         $this->conf->set('thumbnails.mode', $thumbnailsEnabled ? Thumbnailer::MODE_ALL : Thumbnailer::MODE_NONE);
         $this->conf->set('thumbnails.width', 125);
         $this->conf->set('thumbnails.height', 90);
@@ -517,6 +517,26 @@ class Updater
 
         return true;
     }
+
+    /**
+     * Set sticky = false on all links
+     *
+     * @return bool true if the update is successful, false otherwise.
+     */
+    public function updateMethodSetSticky()
+    {
+        foreach ($this->linkDB as $key => $link) {
+            if (isset($link['sticky'])) {
+                return true;
+            }
+            $link['sticky'] = false;
+            $this->linkDB[$key] = $link;
+        }
+
+        $this->linkDB->save($this->conf->get('resource.page_cache'));
+
+        return true;
+    }
 }
 
 /**