diff -r 391da1416038 -r bbc57a7e8823 mercurial/configitems.py
--- a/mercurial/configitems.py	Fri Jun 30 03:44:02 2017 +0200
+++ b/mercurial/configitems.py	Fri Jun 30 03:44:04 2017 +0200
@@ -152,6 +152,9 @@
 coreconfigitem('progress', 'clear-complete',
     default=True,
 )
+coreconfigitem('progress', 'estimate',
+    default=2,
+)
 coreconfigitem('server', 'bundle1',
     default=True,
 )