allow image index type for oci-layout

panekj · panekj · commit 17df6f69e6e3 · 2025-04-05T11:05:49.000+02:00
OCI specification allows either image.index or image.manifest for each manifest descriptor in OCI layout https://github.com/opencontainers/image-spec/blob/c05acf7eb327dae4704a4efe01253a0e60af6b34/image-layout.md?plain=1#L153 Signed-off-by: Jakub Panek <me@panekj.dev>
diff --git a/pkg/cmd/builder/build.go b/pkg/cmd/builder/build.go
@@ -580,7 +580,7 @@ func parseBuildContextFromOCILayout(name, path string) ([]string, error) {
 
 	var digest string
 	for _, manifest := range ociIndex.Manifests {
-		if images.IsManifestType(manifest.MediaType) {
+		if images.IsManifestType(manifest.MediaType) || images.IsIndexType(manifest.MediaType) {
 			digest = manifest.Digest.String()
 		}
 	}

Original file line number	Diff line number	Diff line change
`@@ -580,7 +580,7 @@ func parseBuildContextFromOCILayout(name, path string) ([]string, error) {`
`580`	`580`
`581`	`581`	`var digest string`
`582`	`582`	`for _, manifest := range ociIndex.Manifests {`
`583`		`- if images.IsManifestType(manifest.MediaType) {`
	`583`	`+ if images.IsManifestType(manifest.MediaType) \|\| images.IsIndexType(manifest.MediaType) {`
`584`	`584`	`digest = manifest.Digest.String()`
`585`	`585`	`}`
`586`	`586`	`}`