old_contents: """
      CLI
      ~~~
  """
  import os
  
  import click
  from wiki.web import create_app
  
  @click.group()
  @click.option('--directory', type=click.Path(exists=True), default=None)
  @click.pass_context
  def main(ctx, directory):
      """
          Base setup for all the following commands.
  
          \b
          :param str directory: the directory to run wiki in, optional.
              If no directory is provided the current directory will be
              used.
      """
      if not directory:
          directory = os.getcwd()
      ctx.meta['directory'] = os.path.abspath(click.format_filename(directory))
  
  
  @main.command()
  @click.option('--debug/--no-debug', envvar='WIKI_DEBUG', default=False)
  @click.pass_context
  def web(ctx, debug):
      """
          Run the web app.
  
          \b
          :param bool debug: whether or not to run the web app in debug
              mode.
      """
      app = create_app(ctx.meta['directory'])
      app.run(debug=debug)
  
new_contents: """
      CLI
      ~~~
  """
  import os
  
  import click
  from wiki.web import create_app
  
  @click.group()
  @click.option('--directory', type=click.Path(exists=True), default=None)
  @click.pass_context
  def main(ctx, directory):
      """
          Base setup for all the following commands.
  
          \b
          :param str directory: the directory to run wiki in, optional.
              If no directory is provided the current directory will be
              used.
      """
      if not directory:
          directory = os.getcwd()
      ctx.meta['directory'] = os.path.abspath(click.format_filename(directory))
  
  
  @main.command()
  @click.option('--debug/--no-debug', envvar='WIKI_DEBUG', default=False)
  @click.option('--host', envvar='HOST', default=None)
  @click.option('--port', envvar='PORT', default=None, type=int)
  @click.pass_context
  def web(ctx, debug, host, port):
      """
          Run the web app.
  
          \b
          :param bool debug: whether or not to run the web app in debug
              mode.
          :param str  host: Set the host to 0.0.0.0 to connect from outside 
              defaults to 127.0.0.1.
          :param int  port: Set the listening port defaults to 5000.
      """
      app = create_app(ctx.meta['directory'])
      app.run(debug=debug, host=host, port=port)
  
subject: add host and port args to cli