harbor/static/resources/js/components/repository/pull-command.directive.html

<form class="form-inline">
  <div class="form-group">
    <div class="input-group">
      <input type="text" class="form-control" value="docker pull //vm.harborRegUrl////vm.repoName//://vm.tag//" readonly="readonly" size="60">
      <div class="input-group-addon">
        <a href="javascript:void(0);"><span class="glyphicon glyphicon-duplicate"></span></a>
      </div>
    </div>
  </div>
</form>