mercurial/scmutil.py

--- a/mercurial/scmutil.py	Sat Jun 16 08:22:10 2018 +0530
+++ b/mercurial/scmutil.py	Sun Jun 17 22:13:41 2018 -0700
@@ -1302,6 +1302,9 @@
     def increment(self, step=1, item="", total=None):
         self.update(self.pos + step, item, total)
 
+    def complete(self):
+        self.update(None)
+
     def _print(self, item):
         self.ui.progress(self.topic, self.pos, item, self.unit,
                          self.total)