#485646 - provide additional information to backend command during migration. thanks anarcat

platform/migrate.provision.inc

@@ -45,7 +45,9 @@ function drush_provision_drupal_pre_provision_migrate_rollback($url, $platform)
  * Switch the migrate directories around now that we have the new db installed
  */
 function drush_provision_drupal_provision_migrate($url, $platform) {
-  drush_backend_invoke('provision deploy', array($url, drush_get_option('backup_file'), 'root' => $platform));
+  drush_backend_invoke('provision deploy', array($url, drush_get_option('backup_file'), 'root' => $platform, 
+    'web_host' => drush_get_option('web_host'), 'web_ip' => drush_get_option('web_ip'), 
+    'db_host' => drush_get_option('db_host')));
 }