FIXMEs

Signed-off-by: Miloslav Trmač <[email protected]>

storage/storage_dest.go

@@ -93,7 +93,8 @@ type storageImageDestination struct {
 
 // addedLayerInfo records data about a layer to use in this image.
 type addedLayerInfo struct {
-	digest     digest.Digest // Mandatory, the digest of the layer.
+	digest digest.Digest // Mandatory, the digest of the layer.
+	// FIXME: Is this necessary?
 	tocDigest  digest.Digest // Optional.  If tocDigest != "", the layer was pulled by its TOC.
 	emptyLayer bool          // The layer is an “empty”/“throwaway” one, and may or may not be physically represented in various transport / storage systems.  false if the manifest type does not have the concept.
 }
@@ -592,7 +593,7 @@ func (s *storageImageDestination) getLayerID(uncompressedDigest digest.Digest, i
 	defer s.lock.Unlock()
 
 	if d, found := s.indexToTOCDigest[index]; found {
-		return d.Hex() + "-toc", found
+		return d.Hex() + "-toc", found // FIXME: If this is the first layer, this is not a valid ID.
 	}
 
 	d, found := s.blobDiffIDs[uncompressedDigest]