From 6797ab56d8e382fc0a26f37a436a3c2b893b16db Mon Sep 17 00:00:00 2001
From: Michael J Rubinsky <mrubinsk@horde.org>
Date: Tue, 29 Jul 2014 12:47:43 -0400
Subject: [PATCH] Bug: 13369 Fix exporting ics when event contains exceptions
 AND explicit timezone data.

---
 kronolith/lib/Event.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kronolith/lib/Event.php b/kronolith/lib/Event.php
index 778c07d7859..b84e98ba884 100644
--- a/kronolith/lib/Event.php
+++ b/kronolith/lib/Event.php
@@ -714,8 +714,10 @@ public function toiCalendar($calendar)
             $params = array();
             if ($this->timezone) {
                 try {
-                    $tz = $GLOBALS['injector']->getInstance('Horde_Timezone');
-                    $vEvents[] = $tz->getZone($this->timezone)->toVtimezone();
+                    if (!$this->baseid) {
+                        $tz = $GLOBALS['injector']->getInstance('Horde_Timezone');
+                        $vEvents[] = $tz->getZone($this->timezone)->toVtimezone();
+                    }
                     $params['TZID'] = $this->timezone;
                 } catch (Horde_Exception $e) {
                     Horde::log('Unable to locate the tz database.', 'WARN');