--- a/hgext3rd/evolve/__init__.py	Thu Apr 20 13:05:45 2017 +0200
+++ b/hgext3rd/evolve/__init__.py	Tue Apr 25 10:56:55 2017 +0200
@@ -116,6 +116,7 @@
     obsexchange,
     exthelper,
     metadata,
+    safeguard,
     utility,
 )
 
@@ -147,6 +148,7 @@
 eh.merge(debugcmd.eh)
 eh.merge(obsexchange.eh)
 eh.merge(checkheads.eh)
+eh.merge(safeguard.eh)
 uisetup = eh.final_uisetup
 extsetup = eh.final_extsetup
 reposetup = eh.final_reposetup