--- a/tests/test-subrepo.t	Wed Mar 19 01:07:41 2014 +0900
+++ b/tests/test-subrepo.t	Mon Mar 17 14:57:13 2014 -0400
@@ -1294,3 +1294,18 @@
   15: secret
 
   $ cd ..
+
+
+Test that comit --secret works on both repo and subrepo (issue4182)
+
+  $ cd main
+  $ echo secret >> b
+  $ echo secret >> s/b
+  $ hg commit --secret --subrepo -m "secret"
+  committing subrepository s
+  $ hg phase -r .
+  6: secret
+  $ cd s
+  $ hg phase -r .
+  6: secret
+  $ cd ../../