func rootfsFormat()

in container_images/registry-image-forked/commands/in.go [201:235]

• 28 lines of code
• 6 McCabe index (conditional complexity)

func rootfsFormat(dest string, image v1.Image, debug bool, stderr io.Writer) error {
	err := unpackImage(filepath.Join(dest, "rootfs"), image, debug, stderr)
	if err != nil {
		return fmt.Errorf("extract image: %w", err)
	}

	cfg, err := image.ConfigFile()
	if err != nil {
		return fmt.Errorf("inspect image config: %w", err)
	}

	meta, err := os.Create(filepath.Join(dest, "metadata.json"))
	if err != nil {
		return fmt.Errorf("create image metadata: %w", err)
	}

	env := cfg.Config.Env

	user := cfg.Config.User

	err = json.NewEncoder(meta).Encode(ImageMetadata{
		Env:  env,
		User: user,
	})
	if err != nil {
		return fmt.Errorf("write image metadata: %w", err)
	}

	err = meta.Close()
	if err != nil {
		return fmt.Errorf("close image metadata file: %w", err)
	}

	return nil
}