From 9f5fa532ef352ccc5881a791df9abaeb0ee57a83 Mon Sep 17 00:00:00 2001
From: dantleech <dan.t.leech@gmail.com>
Date: Mon, 31 Dec 2012 14:04:50 +0000
Subject: [PATCH] Upgrade problem

---
 lib/Twig/Environment.php            |   10 ++++++++--
 test/Twig/Tests/EnvironmentTest.php |   10 ++++++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/lib/Twig/Environment.php b/lib/Twig/Environment.php
index d8e700e..562df4f 100644
--- a/lib/Twig/Environment.php
+++ b/lib/Twig/Environment.php
@@ -972,8 +972,14 @@ class Twig_Environment
      */
     public function addGlobal($name, $value)
     {
-        if (($this->extensionInitialized || $this->runtimeInitialized) && !array_key_exists($name, $this->globals)) {
-            throw new LogicException(sprintf('Unable to add global "%s" as the runtime or the extensions have already been initialized.', $name));
+        if ($this->extensionInitialized || $this->runtimeInitialized) {
+            if (null === $this->globals) {
+                $this->initGlobals();
+            }
+            
+            if (!array_key_exists($name, $this->globals)) {
+                throw new LogicException(sprintf('Unable to add global "%s" as the runtime or the extensions have already been initialized.', $name));
+            }
         }
 
         if ($this->extensionInitialized || $this->runtimeInitialized) {
diff --git a/test/Twig/Tests/EnvironmentTest.php b/test/Twig/Tests/EnvironmentTest.php
index 76f787d..5ec28d6 100644
--- a/test/Twig/Tests/EnvironmentTest.php
+++ b/test/Twig/Tests/EnvironmentTest.php
@@ -107,6 +107,16 @@ class Twig_Tests_EnvironmentTest extends PHPUnit_Framework_TestCase
         } catch (LogicException $e) {
             $this->assertFalse(array_key_exists('bar', $twig->getGlobals()));
         }
+
+        // test adding globals after initRuntime without call to getGlobals
+        $twig = new Twig_Environment(new Twig_Loader_String());
+        $twig->initRuntime();
+        try {
+            $twig->addGlobal('bar', 'bar');
+            $this->fail();
+        } catch (LogicException $e) {
+            $this->assertFalse(array_key_exists('bar', $twig->getGlobals()));
+        }
     }
 
     public function testExtensionsAreNotInitializedWhenRenderingACompiledTemplate()
-- 
1.7.2.5