From 5a59c3f940aafbdc494834f1ce72b6cc59e6bc20 Mon Sep 17 00:00:00 2001
From: Martin Bertschler <mbertschler@gmail.com>
Date: Sun, 22 Nov 2015 14:34:57 +0100
Subject: [PATCH] properly rename files by changing file.name and newly
 registering with parent

---
 memmap.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/memmap.go b/memmap.go
index 8a0e3be..3bf85f7 100644
--- a/memmap.go
+++ b/memmap.go
@@ -293,8 +293,12 @@ func (m *MemMapFs) Rename(oldname, newname string) error {
 		if _, ok := m.getData()[newname]; !ok {
 			m.runlock()
 			m.lock()
-			m.getData()[newname] = m.getData()[oldname]
+			m.unRegisterWithParent(oldname)
+			file := m.getData()[oldname].(*InMemoryFile)
 			delete(m.getData(), oldname)
+			file.name = newname
+			m.getData()[newname] = file
+			m.registerWithParent(file)
 			m.unlock()
 			m.rlock()
 		} else {