Function withApplication

internal/command/root.go:64–75

(ns *docker.Namespace, host string, action string, fn func(*docker.Application) error)

type NamespaceRunE func(ctx context.Context, ns *docker.Namespace, cmd *cobra.Command, args []string) error

func withApplication(ns *docker.Namespace, host string, action string, fn func(*docker.Application) error) error {
	app := ns.ApplicationByHost(host)
	if app == nil {
		return fmt.Errorf("no application found at host %q", host)
	}

	if err := fn(app); err != nil {
		return fmt.Errorf("%s application: %w", action, err)
	}

	return nil
}

func WithNamespace(fn NamespaceRunE) func(*cobra.Command, []string) error {
	return func(cmd *cobra.Command, args []string) error {