diff -r 33af0c53aeff -r a672cc61ab1d mercurial/commands.py
--- a/mercurial/commands.py	Thu Sep 24 14:45:17 2015 -0400
+++ b/mercurial/commands.py	Mon Sep 14 19:25:34 2015 -0400
@@ -5025,8 +5025,7 @@
 
         public < draft < secret
 
-    Returns 0 on success, 1 if no phases were changed or some could not
-    be changed.
+    Returns 0 on success, 1 if some phases could not be changed.
 
     (For more information about the phases concept, see :hg:`help phases`.)
     """
@@ -5095,7 +5094,6 @@
                 ui.note(msg)
         else:
             ui.warn(_('no phases changed\n'))
-            ret = 1
     return ret
 
 def postincoming(ui, repo, modheads, optupdate, checkout):