phorge-phorge/src/applications/differential/customfield/DifferentialPathField.php

<?php

final class DifferentialPathField
  extends DifferentialCustomField {

  public function getFieldKey() {
    return 'differential:path';
  }

  public function getFieldName() {
    return pht('Path');
  }

  public function getFieldDescription() {
    return pht('Shows the local path where the diff came from.');
  }

  public function shouldAppearInPropertyView() {
    return true;
  }

  public function renderPropertyViewLabel() {
    return $this->getFieldName();
  }

  public function renderPropertyViewValue(array $handles) {
    $path = $this->getObject()->getActiveDiff()->getSourcePath();
    if (!$path) {
      return null;
    }

    return $path;
  }

}