From 5bd641834d13c98352811fc4dad1cbafbb252afc Mon Sep 17 00:00:00 2001
From: Andrew Radev <andrey.radev@gmail.com>
Date: Fri, 8 Jul 2011 22:10:13 +0300
Subject: [PATCH] Fix for copying error

When copying a node to a directory that's outside the current path, the
"parent" node doesn't really exist, so the code raised an error.
---
 plugin/NERD_tree.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugin/NERD_tree.vim b/plugin/NERD_tree.vim
index b5d014b..738ab9e 100644
--- a/plugin/NERD_tree.vim
+++ b/plugin/NERD_tree.vim
@@ -866,8 +866,10 @@ function! s:TreeFileNode.copy(dest)
     let parent = b:NERDTreeRoot.findNode(newPath.getParent())
     if !empty(parent)
         call parent.refresh()
+        return parent.findNode(newPath)
+    else
+        return {}
     endif
-    return parent.findNode(newPath)
 endfunction
 
 "FUNCTION: TreeFileNode.delete {{{3