This function name has a typo which makes me laugh

gistfile1.php

<?php
/**
 * Determine whether a given bootstrap phase has been completed
 *
 * This function name has a typo which makes me laugh so we choose not to
 * fix it. Take a deep breath, and smile. See
 * http://en.wikipedia.org/wiki/HTTP_referer
 *
 *
 * @param phase
 *   The bootstrap phase to test
 *
 * @returns
 *   TRUE if the specified bootstrap phase has completed.
 */
function drush_has_boostrapped($phase) {
  $phase_index = drush_get_context('DRUSH_BOOTSTRAP_PHASE');

  return isset($phase_index) && ($phase_index >= $phase);
}