Revert "Merge pull request #654 from nalind/storage-update"

This reverts commit 4c06116c18, reversing
changes made to c5e73ba65f.

Signed-off-by: Antonio Murdaca <runcom@redhat.com>

vendor/github.com/containers/image/copy/copy.go

@@ -320,15 +320,6 @@ func (ic *imageCopier) copyLayers() error {
 	srcInfos := ic.src.LayerInfos()
 	destInfos := []types.BlobInfo{}
 	diffIDs := []digest.Digest{}
-	updatedSrcInfos := ic.src.UpdatedLayerInfos()
-	srcInfosUpdated := false
-	if updatedSrcInfos != nil && !reflect.DeepEqual(srcInfos, updatedSrcInfos) {
-		if !ic.canModifyManifest {
-			return errors.Errorf("Internal error: copyLayers() needs to use an updated manifest but that was known to be forbidden")
-		}
-		srcInfos = updatedSrcInfos
-		srcInfosUpdated = true
-	}
 	for _, srcLayer := range srcInfos {
 		var (
 			destInfo types.BlobInfo
@@ -357,7 +348,7 @@ func (ic *imageCopier) copyLayers() error {
 	if ic.diffIDsAreNeeded {
 		ic.manifestUpdates.InformationOnly.LayerDiffIDs = diffIDs
 	}
-	if srcInfosUpdated || layerDigestsDiffer(srcInfos, destInfos) {
+	if layerDigestsDiffer(srcInfos, destInfos) {
 		ic.manifestUpdates.LayerInfos = destInfos
 	}
 	return nil