From 2cd8a44b38e36b09dc4bff00248a7eea81b08f23 Mon Sep 17 00:00:00 2001
From: Hanno Hecker <vetinari@ankh-morp.org>
Date: Sun, 24 Jan 2016 07:56:32 +0100
Subject: [PATCH] fix isBaseFile

---
 copyOnWriteFs.go | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/copyOnWriteFs.go b/copyOnWriteFs.go
index 0738c72..e4572dd 100644
--- a/copyOnWriteFs.go
+++ b/copyOnWriteFs.go
@@ -30,6 +30,16 @@ func (u *CopyOnWriteFs) isBaseFile(name string) (bool, error) {
 		return false, nil
 	}
 	_, err := u.base.Stat(name)
+	if err != nil {
+		if oerr, ok := err.(*os.PathError); ok {
+			if oerr.Err == os.ErrNotExist || oerr.Err == syscall.ENOENT {
+				return false, nil
+			}
+		}
+		if err == syscall.ENOENT {
+			return false, nil
+		}
+	}
 	return true, err
 }
 
@@ -216,5 +226,5 @@ func (u *CopyOnWriteFs) MkdirAll(name string, perm os.FileMode) error {
 }
 
 func (u *CopyOnWriteFs) Create(name string) (File, error) {
-	return u.OpenFile(name, os.O_TRUNC|os.O_RDWR, 0666)
+	return u.OpenFile(name, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0666)
 }