From 7be335a9761af1eb8116ed3145b2e2cf105f0df4 Mon Sep 17 00:00:00 2001
From: Josse Colpaert <jco@openerp.com>
Date: Thu, 29 Aug 2013 11:04:31 +0200
Subject: [PATCH] [IMP] When copying will check if not passing backorder_id in
 copy already (from sgo)

bzr revid: jco@openerp.com-20130829090431-65dypmn1tjgr8pbt
---
 addons/stock/stock.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 54f473f75c1..740e60b9a50 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -530,7 +530,8 @@ class stock_picking(osv.osv):
         picking_obj = self.browse(cr, uid, id, context=context)
         if ('name' not in default) or (picking_obj.name == '/'):
             default['name'] = '/'
-        default['backorder_id'] = False
+        if not default.get('backorder_id'):
+            default['backorder_id'] = False
         return super(stock_picking, self).copy(cr, uid, id, default, context)
 
     def action_confirm(self, cr, uid, ids, context=None):