code: def find_home_config_files(filetype=['json', 'yaml']):
      
      configs = []
  
      yaml_config = os.path.expanduser('~/.vcspull.yaml')
      has_yaml_config = os.path.exists(yaml_config)
      json_config = os.path.expanduser('~/.vcspull.json')
      has_json_config = os.path.exists(json_config)
  
      if not has_yaml_config and not has_json_config:
          log.debug(
              'No config file found. Create a .vcspull.yaml or .vcspull.json'
              ' in your $HOME directory. http://vcspull.git-pull.com for a'
              ' quickstart.'
          )
      else:
          if sum(filter(None, [has_json_config, has_yaml_config])) > int(1):
              raise exc.MultipleConfigWarning()
          if has_yaml_config:
              configs.append(yaml_config)
          if has_json_config:
              configs.append(json_config)
  
      return configs
docs: Return configs of ``.vcspull.{yaml,json}`` in user's home directory.