docs: def run(args, ff=''):
      """Run setup.py with monkey patches applied.
      """
      import setuptools.command.egg_info
      if ff == 'none':
          setuptools.command.egg_info.walk_revctrl = no_walk_revctrl
      else:
          setuptools.command.egg_info.walk_revctrl = partial(walk_revctrl, ff=ff)
  
      sys.argv = ['setup.py'] + args
      import setup
  
      cleanup_pycache()