docs: def run_build_cli():
      """Command line entrypoint for the ``build-stack-docs`` program.
      """
      args = parse_args()
  
      if args.verbose:
          log_level = logging.DEBUG
      else:
          log_level = logging.INFO
      logging.basicConfig(
          level=log_level,
          format='%(asctime)s %(levelname)s %(name)s: %(message)s')
  
      logger = logging.getLogger(__name__)
  
      logger.info('build-stack-docs version {0}'.format(__version__))
  
      return_code = build_stack_docs(args.root_project_dir)
      if return_code == 0:
          logger.info('build-stack-docs succeeded')
          sys.exit(0)
      else:
          logger.error('Sphinx errored: code {0:d}'.format(return_code))
          sys.exit(1)