diff -r 8724de878268 -r 143efea71c2a mercurial/hg.py
--- a/mercurial/hg.py	Fri Aug 17 23:28:37 2018 -0400
+++ b/mercurial/hg.py	Sat Aug 18 00:51:26 2018 -0400
@@ -634,7 +634,7 @@
             srcrepo.hook('preoutgoing', throw=True, source='clone')
             hgdir = os.path.realpath(os.path.join(dest, ".hg"))
             if not os.path.exists(dest):
-                os.mkdir(dest)
+                util.makedirs(dest)
             else:
                 # only clean up directories we create ourselves
                 cleandir = hgdir