Usage:
  template.sh -h|--help
  template.sh --update
  template.sh [-c|--config config_file] [-p|--partials partials_dir] template_file [...template_file]

Options:
  -h --help             Show this help text
     --update           Perform a self-update
  -c --config <path>    Specify config file
  -p --partials <path>  Specify partials directory