code: def load_dotfiles(self):
          
          if self.args.map and path.exists(self.args.map):
              dotfiles_path = self.args.map
          else:
              dotfiles_path = self.source
  
          self.log.debug('Loading dotfile mapping from %s', dotfiles_path)
  
          return self.parse_mapping(dotfiles_path, source=self.source)
docs: Read in the dotfile mapping as a dictionary.