gistfile1.txt

    // Attempt to determine the Drupal core API version.
    $api = array();
    foreach ($branch->taxonomy as $tid => $term) {
      if (in_array($tid, $api_versions)) {
        $api['version'] = array_shift(explode('.', $term->name, 2));
        $api['tid'] = $term->tid;
        break;
      }
    }

    // If the API version not found then ignore this branch.
    if (empty($api)) {
      watchdog('pift', 'Project release node [@nid] does not have a Drupal core API taxonomy term.', array('@nid' => $branch->nid), WATCHDOG_ERROR);
      continue;
    }