@@ -287,19 +287,19 @@ func assertNImages(graph *docker.Graph, t *testing.T, n int) {

 }

 func tempGraph(t *testing.T) (*docker.Graph, graphdriver.Driver) {

-        tmp, err := ioutil.TempDir("", "docker-graph-")

-        if err != nil {

-                t.Fatal(err)

-        }

-        driver, err := graphdriver.New(tmp)

-        if err != nil {

-                t.Fatal(err)

-        }

-        graph, err := docker.NewGraph(tmp, driver)

-        if err != nil {

-                t.Fatal(err)

-        }

-        return graph, driver

+	tmp, err := ioutil.TempDir("", "docker-graph-")

+	if err != nil {

+		t.Fatal(err)

+	}

+	driver, err := graphdriver.New(tmp)

+	if err != nil {

+		t.Fatal(err)

+	}

+	graph, err := docker.NewGraph(tmp, driver)

+	if err != nil {

+		t.Fatal(err)

+	}

+	return graph, driver

 }

 func nukeGraph(graph *docker.Graph) {

@@ -47,7 +47,7 @@ func pingRegistryEndpoint(endpoint string) error {

 	if err != nil {

 		return err

 	}

-	defer resp.Body.Close() 

+	defer resp.Body.Close()

 	if resp.Header.Get("X-Docker-Registry-Version") == "" {

 		return errors.New("This does not look like a Registry server (\"X-Docker-Registry-Version\" header not found in the response)")

@@ -1,24 +1,24 @@

 package docker

 import (

-	"io"

 	"archive/tar"

 	"bytes"

+	"io"

 )

 func fakeTar() (io.Reader, error) {

-       content := []byte("Hello world!\n")

-       buf := new(bytes.Buffer)

-       tw := tar.NewWriter(buf)

-       for _, name := range []string{"/etc/postgres/postgres.conf", "/etc/passwd", "/var/log/postgres/postgres.conf"} {

-               hdr := new(tar.Header)

-               hdr.Size = int64(len(content))

-               hdr.Name = name

-               if err := tw.WriteHeader(hdr); err != nil {

-                       return nil, err

-               }

-               tw.Write([]byte(content))

-       }

-       tw.Close()

-       return buf, nil

+	content := []byte("Hello world!\n")

+	buf := new(bytes.Buffer)

+	tw := tar.NewWriter(buf)

+	for _, name := range []string{"/etc/postgres/postgres.conf", "/etc/passwd", "/var/log/postgres/postgres.conf"} {

+		hdr := new(tar.Header)

+		hdr.Size = int64(len(content))

+		hdr.Name = name

+		if err := tw.WriteHeader(hdr); err != nil {

+			return nil, err

+		}

+		tw.Write([]byte(content))

+	}

+	tw.Close()

+	return buf, nil

 }