From ec3ce3a97dc61fddfd736daaed2f368c1366409a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Wed, 24 Apr 2013 12:50:45 +0200
Subject: [PATCH] MDL-39336 do not print debug output before finishing
 installation

---
 lib/outputrenderers.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/outputrenderers.php b/lib/outputrenderers.php
index 07378946e1c..8b278769087 100644
--- a/lib/outputrenderers.php
+++ b/lib/outputrenderers.php
@@ -469,6 +469,12 @@ class core_renderer extends renderer_base {
     public function standard_footer_html() {
         global $CFG, $SCRIPT;
 
+        if (during_initial_install()) {
+            // Debugging info can not work before install is finished,
+            // in any case we do not want any links during installation!
+            return '';
+        }
+
         // This function is normally called from a layout.php file in {@link core_renderer::header()}
         // but some of the content won't be known until later, so we return a placeholder
         // for now. This will be replaced with the real content in {@link core_renderer::footer()}.