From 8d9e636d605c13011e26829a339620f73475e492 Mon Sep 17 00:00:00 2001
From: Vincent Driessen <vincent@datafox.nl>
Date: Thu, 12 May 2011 08:26:46 +0200
Subject: [PATCH] Fix to prevent unintentional releases of the default MOC.

This could occur when setting the default context to the same object
multiple times.  This is just good Objective-C setter practice.
---
 NSManagedObjectContext+ActiveRecord.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/NSManagedObjectContext+ActiveRecord.m b/NSManagedObjectContext+ActiveRecord.m
index 3729982d9..f501c10c1 100644
--- a/NSManagedObjectContext+ActiveRecord.m
+++ b/NSManagedObjectContext+ActiveRecord.m
@@ -30,8 +30,10 @@ + (NSManagedObjectContext *)defaultContext
 
 + (void) setDefaultContext:(NSManagedObjectContext *)moc
 {
-	[defaultManageObjectContext release];
-	defaultManageObjectContext = [moc retain];
+	if (defaultManageObjectContext != moc) {
+		[defaultManageObjectContext release];
+		defaultManageObjectContext = [moc retain];
+	}
 }
 
 + (void) resetDefaultContext