--- a/mercurial/dispatch.py	Mon Jan 31 13:33:41 2011 +0100
+++ b/mercurial/dispatch.py	Sat Jan 29 23:23:24 2011 +0900
@@ -552,6 +552,9 @@
     if options['noninteractive']:
         ui.setconfig('ui', 'interactive', 'off')
 
+    if cmdoptions.get('insecure', False):
+        ui.setconfig('web', 'cacerts', '')
+
     if options['help']:
         return commands.help_(ui, cmd, options['version'])
     elif options['version']: