@@ -1,6 +1,7 @@

 package vfs

 import (

+	"bytes"

 	"fmt"

 	"github.com/dotcloud/docker/daemon/graphdriver"

 	"os"

@@ -35,8 +36,24 @@ func (d *Driver) Cleanup() error {

 	return nil

 }

+func isGNUcoreutils() bool {

+	if stdout, err := exec.Command("cp", "--version").Output(); err == nil {

+		return bytes.Contains(stdout, []byte("GNU coreutils"))

+	}

+

+	return false

+}

+

 func copyDir(src, dst string) error {

-	if output, err := exec.Command("cp", "-aT", "--reflink=auto", src, dst).CombinedOutput(); err != nil {

+	argv := make([]string, 0, 4)

+

+	if isGNUcoreutils() {

+		argv = append(argv, "-aT", "--reflink=auto", src, dst)

+	} else {

+		argv = append(argv, "-a", src+"/.", dst+"/.")

+	}

+

+	if output, err := exec.Command("cp", argv...).CombinedOutput(); err != nil {

 		return fmt.Errorf("Error VFS copying directory: %s (%s)", err, output)

 	}

 	return nil