Index: ./modules/system/system.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.api.php,v
retrieving revision 1.131
diff -u -p -r1.131 system.api.php
--- ./modules/system/system.api.php	11 Feb 2010 17:44:47 -0000	1.131
+++ ./modules/system/system.api.php	17 Feb 2010 23:28:25 -0000
@@ -3197,5 +3197,23 @@ function hook_token_info_alter(&$data) {
 }
 
 /**
+ * Alter batch information before a batch is processed.
+ *
+ * Called by batch_process() to allow modules to alter a batch before it is
+ * processed. This allows you to do things like alter batches to run from the
+ * command line.
+ *
+ * @param $batch
+ *   The associative array of batch information.
+ *
+ * @see batch_set()
+ * @see batch_process()
+ *
+ * @ingroup batch
+ */
+function hook_batch_alter(&$batch) {
+  
+}
+/**
  * @} End of "addtogroup hooks".
  */