mercurial/dispatch.py

--- a/mercurial/dispatch.py	Tue Feb 21 18:09:21 2017 +0100
+++ b/mercurial/dispatch.py	Tue Feb 21 18:20:12 2017 +0100
@@ -764,6 +764,10 @@
             for ui_ in uis:
                 ui_.insecureconnections = True
 
+        # setup color handling
+        for ui_ in uis:
+            color.setup(ui_, options['color'])
+
         if options['version']:
             return commands.version_(ui)
         if options['help']: