Moosh\MooshCommand::addOption PHP Method

    public function addOption($optionSpec, $description = NULL, $default = NULL)
    {
        $option = $this->spec->add($optionSpec, $description);
        if (!$option->long) {
            die("Provide a long option for '{$optionSpec}'");
        }
        $this->options[$option->long] = $default;
    }