Getting Acquia to load the /drush/drushrc.php for site checkouts.

gistfile1.txt

<?php
// ~/.drush/drushrc.php

if ($root = drush_get_option('root')) {
  $drush_dir = str_replace('/docroot', '/drush', $root);
  if (is_file($drush_dir . '/drushrc.php')) {
    $options['config'] = $drush_dir . '/drushrc.php';
  }
}