Function isMultiImage

copy/manifest.go:203–209

isMultiImage returns true if img is a list of images

(ctx context.Context, img types.UnparsedImage)

// isMultiImage returns true if img is a list of images
func isMultiImage(ctx context.Context, img types.UnparsedImage) (bool, error) {
	_, mt, err := img.Manifest(ctx)
	if err != nil {
		return false, err
	}
	return manifest.MIMETypeIsMultiImage(mt), nil
}

// determineListConversion takes the current MIME type of a list of manifests,
// the list of MIME types supported for a given destination, and a possible