From f7a9471a0df3da2d49ef86f30bbe7889e13a4e85 Mon Sep 17 00:00:00 2001
From: Tim Otten <totten@civicrm.org>
Date: Mon, 7 Oct 2013 13:09:51 +0100
Subject: [PATCH] CRM_Extension_Container_Basic - Display warning if no
 resource URL is defined

---
 CRM/Extension/Container/Basic.php | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/CRM/Extension/Container/Basic.php b/CRM/Extension/Container/Basic.php
index ee503fd803..cbed89e65c 100644
--- a/CRM/Extension/Container/Basic.php
+++ b/CRM/Extension/Container/Basic.php
@@ -136,6 +136,16 @@ class CRM_Extension_Container_Basic implements CRM_Extension_Container_Interface
    * {@inheritdoc}
    */
   public function getResUrl($key) {
+    if (! $this->baseUrl) {
+      CRM_Core_Session::setStatus(
+        ts('Failed to determine URL for extension (%1). Please update <a href="%2">Resource URLs</a>.',
+          array(
+            1 => $key,
+            2 => CRM_Utils_System::url('civicrm/admin/setting/url', 'reset=1'),
+          )
+        )
+      );
+    }
     return $this->baseUrl . $this->getRelUrl($key);
   }
 
-- 
2.25.1