From 4c56c7bf0cd5f02d3fb765e48fe6665b3f8cc170 Mon Sep 17 00:00:00 2001
From: Petr Skoda <skodak@moodle.org>
Date: Mon, 18 Oct 2010 17:06:44 +0000
Subject: [PATCH] MDL-24726 prevent cron execution when upgrade pending

---
 lib/cronlib.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/cronlib.php b/lib/cronlib.php
index 94d00795d0afd..ceacba389776d 100644
--- a/lib/cronlib.php
+++ b/lib/cronlib.php
@@ -32,6 +32,11 @@ function cron_run() {
         exit(1);
     }
 
+    if (moodle_needs_upgrading()) {
+        echo "Moodle upgrade pending, cron execution suspended.\n";
+        exit(1);
+    }
+
     require_once($CFG->libdir.'/adminlib.php');
     require_once($CFG->libdir.'/gradelib.php');