/var/aegir/.drush/dbname.drush.inc

gistfile1.txt

<?php

/*
 * Implementation of hook_post_provision_install()
 */
function drush_dbname_post_provision_install() {
  drush_log(dt("Database name is @dbname", array('@dbname' => drush_get_option('db_name', '', 'site'))));
}