--- a/tests/test-alias.t	Wed Sep 10 00:41:44 2014 +0900
+++ b/tests/test-alias.t	Wed Sep 10 00:41:44 2014 +0900
@@ -353,7 +353,7 @@
   > [extensions]
   > hgext.rebase =
   > [alias]
-  > rebate = !echo this is rebate
+  > rebate = !echo this is \$HG_ARGS
   > EOF
   $ hg reba
   hg: command 'reba' is ambiguous:
@@ -361,6 +361,8 @@
   [255]
   $ hg rebat
   this is rebate
+  $ hg rebat --foo-bar
+  this is rebate --foo-bar
 
 invalid arguments