Bump github.com/containers/image@efae299

Update the vendored copy of github.com/containers/image to revision
efae29995d4846ffa6163eb4d466fd61bda43aae.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

vendor/github.com/containers/image/docker/archive/src.go

@@ -0,0 +1,36 @@
+package archive
+
+import (
+	"github.com/Sirupsen/logrus"
+	"github.com/containers/image/docker/tarfile"
+	"github.com/containers/image/types"
+)
+
+type archiveImageSource struct {
+	*tarfile.Source // Implements most of types.ImageSource
+	ref             archiveReference
+}
+
+// newImageSource returns a types.ImageSource for the specified image reference.
+// The caller must call .Close() on the returned ImageSource.
+func newImageSource(ctx *types.SystemContext, ref archiveReference) types.ImageSource {
+	if ref.destinationRef != nil {
+		logrus.Warnf("docker-archive: references are not supported for sources (ignoring)")
+	}
+	src := tarfile.NewSource(ref.path)
+	return &archiveImageSource{
+		Source: src,
+		ref:    ref,
+	}
+}
+
+// Reference returns the reference used to set up this source, _as specified by the user_
+// (not as the image itself, or its underlying storage, claims).  This can be used e.g. to determine which public keys are trusted for this image.
+func (s *archiveImageSource) Reference() types.ImageReference {
+	return s.ref
+}
+
+// Close removes resources associated with an initialized ImageSource, if any.
+func (s *archiveImageSource) Close() error {
+	return nil
+}