diff -r 8857e150bec0 -r e34f4d1f0dbb mercurial/phases.py
--- a/mercurial/phases.py	Wed Dec 21 23:47:18 2011 +0100
+++ b/mercurial/phases.py	Tue Dec 20 01:34:12 2011 +0100
@@ -34,6 +34,7 @@
             immutable shared
     public:     X        X
     draft:               X
+    secret:
 
 local commits are draft by default
 
@@ -50,6 +51,8 @@
 * pull never changes server states
 * publish and old server csets are seen as public by client
 
+* Any secret changeset seens in another repository is lowered to at least draft
+
 
 Here is the final table summing up the 49 possible usecase of phase exchange: