code: def _render_jar_tool_args(self, options):
      
      args = []
  
      with temporary_dir() as manifest_stage_dir:
        # relativize urls in canonical classpath, this needs to be stable too therefore
        # do not follow the symlinks because symlinks may vary from platform to platform.
        classpath = relativize_classpath(self.classpath,
                                         os.path.dirname(self._path),
                                         followlinks=False)
  
        def as_cli_entry(entry):
          src = entry.materialize(manifest_stage_dir)
          return '{}={}'.format(src, entry.dest) if entry.dest else src
        files = [as_cli_entry(entry) for entry in self._entries] if self._entries else []
  
        jars = self._jars or []
  
        with safe_args(classpath, options, delimiter=',') as classpath_args:
          with safe_args(files, options, delimiter=',') as files_args:
            with safe_args(jars, options, delimiter=',') as jars_args:
  
              # If you specify --manifest to jar-tool you cannot specify --main.
              if self._manifest_entry:
                manifest_file = self._manifest_entry.materialize(manifest_stage_dir)
              else:
                manifest_file = None
  
              if self._main and manifest_file:
                main_arg = None
                with open(manifest_file, 'a') as f:
                  f.write("Main-Class: {}\n".format(self._main))
              else:
                main_arg = self._main
  
              if main_arg:
                args.append('-main={}'.format(self._main))
  
              if classpath_args:
                args.append('-classpath={}'.format(','.join(classpath_args)))
  
              if manifest_file:
                args.append('-manifest={}'.format(manifest_file))
  
              if files_args:
                args.append('-files={}'.format(','.join(files_args)))
  
              if jars_args:
                args.append('-jars={}'.format(','.join(jars_args)))
  
              yield args
docs: Format the arguments to jar-tool.
  
      :param Options options: