From beda3674339347927cecd2e7a27d34c5e7d886f1 Mon Sep 17 00:00:00 2001
From: paul gruenbacher <pgruenbacher@gmail.com>
Date: Mon, 18 Apr 2016 19:25:52 -0400
Subject: [PATCH 1/2] test to replicate stat error

---
 copyOnWriteFs_test.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 copyOnWriteFs_test.go

diff --git a/copyOnWriteFs_test.go b/copyOnWriteFs_test.go
new file mode 100644
index 0000000..2a00fab
--- /dev/null
+++ b/copyOnWriteFs_test.go
@@ -0,0 +1,23 @@
+package afero
+
+import "testing"
+
+func TestCopyOnWrite(t *testing.T) {
+	var fs Fs
+	var err error
+	base := NewOsFs()
+	roBase := NewReadOnlyFs(base)
+	ufs := NewCopyOnWriteFs(roBase, NewMemMapFs())
+	fs = ufs
+	err = fs.MkdirAll("nonexistent/directory/", 0744)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	_, err = fs.Create("nonexistent/directory/newfile")
+	if err != nil {
+		t.Error(err)
+		return
+	}
+
+}

From 8404a5e8bf7356c96ef9ca6bc894d4fae15dd881 Mon Sep 17 00:00:00 2001
From: Martin Bertschler <mbertschler@gmail.com>
Date: Wed, 20 Apr 2016 14:30:10 +0200
Subject: [PATCH 2/2] don't return error in CopyOnWriteFs OpenFile if it is a
 not exist error fixes #78

---
 copyOnWriteFs.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/copyOnWriteFs.go b/copyOnWriteFs.go
index 039ce53..fa0c936 100644
--- a/copyOnWriteFs.go
+++ b/copyOnWriteFs.go
@@ -1,11 +1,11 @@
 package afero
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"syscall"
 	"time"
-	"fmt"
 )
 
 // The CopyOnWriteFs is a union filesystem: a read only base file system with
@@ -147,7 +147,7 @@ func (u *CopyOnWriteFs) OpenFile(name string, flag int, perm os.FileMode) (File,
 
 		dir := filepath.Dir(name)
 		isaDir, err := IsDir(u.base, dir)
-		if err != nil {
+		if err != nil && !os.IsNotExist(err) {
 			return nil, err
 		}
 		if isaDir {