--- a/hgext/simple4server.py	Wed Mar 19 20:15:55 2014 -0700
+++ b/hgext/simple4server.py	Thu Mar 27 11:12:56 2014 -0700
@@ -57,6 +57,7 @@
             tr.release()
     finally:
         lock.release()
+    repo.hook('evolve_pushobsmarkers')
     return wireproto.pushres(0)
 
 # from mercurial.obsolete: 19e9478c1a22