quay/static/directives/config/config-file-field.html

<div class="config-file-field-element">
  <span ng-show="uploadProgress == null">
    <span ng-if="hasFile">
        <code>/conf/stack/{{ filename }}</code>
        <span style="margin-left: 20px; display: inline-block;">Select a replacement file:</span>
    </span>
    <span class="nofile" ng-if="!hasFile && skipCheckFile != 'true'">Please select a file to upload as <b>{{ filename }}</b>: </span>
    <input type="file" ng-file-select="onFileSelect($files)">
  </span>
  <span ng-show="uploadProgress != null">
    Uploading file as <strong>{{ filename }}</strong>... {{ uploadProgress }}%
  </span>
</div>