switch from godep to glide

vendor/github.com/openshift/origin/pkg/image/reference/reference.go

@@ -0,0 +1,51 @@
+package reference
+
+import (
+	"strings"
+
+	"github.com/docker/distribution/reference"
+)
+
+// NamedDockerImageReference points to a Docker image.
+type NamedDockerImageReference struct {
+	Registry  string
+	Namespace string
+	Name      string
+	Tag       string
+	ID        string
+}
+
+// ParseNamedDockerImageReference parses a Docker pull spec string into a
+// NamedDockerImageReference.
+func ParseNamedDockerImageReference(spec string) (NamedDockerImageReference, error) {
+	var ref NamedDockerImageReference
+
+	namedRef, err := reference.ParseNamed(spec)
+	if err != nil {
+		return ref, err
+	}
+
+	name := namedRef.Name()
+	i := strings.IndexRune(name, '/')
+	if i == -1 || (!strings.ContainsAny(name[:i], ":.") && name[:i] != "localhost") {
+		ref.Name = name
+	} else {
+		ref.Registry, ref.Name = name[:i], name[i+1:]
+	}
+
+	if named, ok := namedRef.(reference.NamedTagged); ok {
+		ref.Tag = named.Tag()
+	}
+
+	if named, ok := namedRef.(reference.Canonical); ok {
+		ref.ID = named.Digest().String()
+	}
+
+	// It's not enough just to use the reference.ParseNamed(). We have to fill
+	// ref.Namespace from ref.Name
+	if i := strings.IndexRune(ref.Name, '/'); i != -1 {
+		ref.Namespace, ref.Name = ref.Name[:i], ref.Name[i+1:]
+	}
+
+	return ref, nil
+}