private function promoteToGlobal()
{
$newName = $this->params['to'];
$caUser = new CentralAuthUser($newName);
$status = $caUser->promoteToGlobal(wfWikiID());
if (!$status->isOK()) {
if ($status->hasMessage('promote-not-on-wiki')) {
// Eh, what?
throw new Exception("Tried to promote '{$newName}' to a global account except it doesn't exist locally");
} elseif ($status->hasMessage('promote-already-exists')) {
// Even more wtf.
throw new Exception("Tried to prommote '{$newName}' to a global account except it already exists");
}
}
$caUser->quickInvalidateCache();
}
