mercurial/commands.py

--- a/mercurial/commands.py	Wed Feb 15 17:47:51 2017 -0500
+++ b/mercurial/commands.py	Wed Feb 15 17:47:57 2017 -0500
@@ -93,6 +93,8 @@
     ('', 'version', None, _('output version information and exit')),
     ('h', 'help', None, _('display help and exit')),
     ('', 'hidden', False, _('consider hidden changesets')),
+    ('', 'pager', 'auto',
+     _("when to paginate (boolean, always, auto, or never)"), _('TYPE')),
 ]
 
 dryrunopts = [('n', 'dry-run', None,