diff -r 1b6946f87c50 -r db8531c45953 mercurial/fancyopts.py
--- a/mercurial/fancyopts.py	Tue Jun 27 00:23:32 2017 +0530
+++ b/mercurial/fancyopts.py	Sun Jun 25 08:36:51 2017 +0530
@@ -39,7 +39,7 @@
     args = []
     while parseargs:
         arg = parseargs.pop(0)
-        if arg and arg[0] == '-' and len(arg) > 1:
+        if arg and arg[0:1] == '-' and len(arg) > 1:
             parseargs.insert(0, arg)
             topts, newparseargs = pycompat.getoptb(parseargs,\
                                             options, longoptions)