Function getManifest

cli/command/manifest/util.go:72–84

getManifest from the local store, and fallback to the remote registry if it doesn't exist locally

(ctx context.Context, dockerCLI command.Cli, listRef, namedRef reference.Named, insecure bool)

// getManifest from the local store, and fallback to the remote registry if it
// doesn't exist locally
func getManifest(ctx context.Context, dockerCLI command.Cli, listRef, namedRef reference.Named, insecure bool) (types.ImageManifest, error) {
	data, err := newManifestStore(dockerCLI).Get(listRef, namedRef)
	switch {
	case errdefs.IsNotFound(err):
		return newRegistryClient(dockerCLI, insecure).GetManifest(ctx, namedRef)
	case err != nil:
		return types.ImageManifest{}, err
	case len(data.Raw) == 0:
		return newRegistryClient(dockerCLI, insecure).GetManifest(ctx, namedRef)
	default:
		return data, nil
	}
}