Issue #3308514 by jlscott: Remove duplicate code

 */

function auto_username_user_update($account) {

  if (\Drupal::config('auto_username.settings')->get('aun_update_on_edit')) {

    $new_name = \Drupal::service('auto_username.utilities')->autoUsernameGenerateUsername($account);

    // No point updating anything if the generated name was just the same.

    if ($account->name == $new_name) {

      return;

    }

    // Replace with generated username.

    Database::getConnection()

      ->update('users_field_data')

      ->fields(array('name' => $new_name))

      ->condition('uid', $account->id())

      ->execute();

    $account->name = $new_name;

    // Same processing as for user insert.

    auto_username_user_insert($account);

  }

}