Ensure we don't attempt to fetch the same change twice.

horde · May 18, 2015 · f11823d · f11823d
1 parent b6e2e9c
commit f11823d
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/framework/ActiveSync/lib/Horde/ActiveSync/Imap/Adapter.php b/framework/ActiveSync/lib/Horde/ActiveSync/Imap/Adapter.php
@@ -571,6 +571,11 @@ protected function _buildModSeqChanges(
         // Get custom flags to use as categories.
         $msgFlags = $this->_getMsgFlags();
 
+        // Filter out any changes that we already know about.
+        $fetch_ret = array_diff_key(
+            $fetch_ret, array_flip($changes)
+        );
+
         foreach ($fetch_ret as $uid => $data) {
             if ($options['sincedate']) {
                 $since = new Horde_Date($options['sincedate']);