diff -r b62bce819d0c -r 31d3ab7985b8 mercurial/ui.py
--- a/mercurial/ui.py	Sat Jun 25 18:35:14 2016 -0700
+++ b/mercurial/ui.py	Sun Jun 26 07:59:02 2016 -0700
@@ -1281,6 +1281,10 @@
 
     return str(u)
 
+@pathsuboption('pushrev', 'pushrev')
+def pushrevpathoption(ui, path, value):
+    return value
+
 class path(object):
     """Represents an individual path and its configuration."""