Function createManifestList

cli/command/manifest/create_list.go:38–76

(ctx context.Context, dockerCLI command.Cli, args []string, opts createOpts)

}

func createManifestList(ctx context.Context, dockerCLI command.Cli, args []string, opts createOpts) error {
	newRef := args[0]
	targetRef, err := normalizeReference(newRef)
	if err != nil {
		return fmt.Errorf("error parsing name for manifest list %s: %w", newRef, err)
	}

	manifestStore := newManifestStore(dockerCLI)
	_, err = manifestStore.GetList(targetRef)
	switch {
	case errdefs.IsNotFound(err):
		// New manifest list
	case err != nil:
		return err
	case !opts.amend:
		return errors.New("refusing to amend an existing manifest list with no --amend flag")
	}

	// Now create the local manifest list transaction by looking up the manifest schemas
	// for the constituent images:
	manifests := args[1:]
	for _, manifestRef := range manifests {
		namedRef, err := normalizeReference(manifestRef)
		if err != nil {
			// TODO: wrap error?
			return err
		}

		manifest, err := getManifest(ctx, dockerCLI, targetRef, namedRef, opts.insecure)
		if err != nil {
			return err
		}
		if err := manifestStore.Save(targetRef, namedRef, manifest); err != nil {
			return err
		}
	}
	_, _ = fmt.Fprintln(dockerCLI.Out(), "Created manifest list", targetRef.String())
	return nil
}