crane: ignore buildx attestations in flatten (#1630)

google · Apr 6, 2023 · 0577676 · 0577676
1 parent 93be9c4
commit 0577676
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/cmd/crane/cmd/flatten.go b/cmd/crane/cmd/flatten.go
@@ -152,6 +152,14 @@ func flattenIndex(old v1.ImageIndex, repo name.Repository, use string, o crane.O
 			return nil, err
 		}
 
+		// Drop attestations (for now).
+		// https://github.com/google/go-containerregistry/issues/1622
+		if p := desc.Platform; p != nil {
+			if p.OS == "unknown" && p.Architecture == "unknown" {
+				continue
+			}
+		}
+
 		flattened, err := flattenChild(m, repo, use, o)
 		if err != nil {
 			return nil, err