--- a/mercurial/util.py	Fri Feb 23 23:09:58 2018 +0900
+++ b/mercurial/util.py	Wed Feb 21 22:20:27 2018 +0900
@@ -147,6 +147,7 @@
 setflags = platform.setflags
 setsignalhandler = platform.setsignalhandler
 shellquote = platform.shellquote
+shellsplit = platform.shellsplit
 spawndetached = platform.spawndetached
 split = platform.split
 sshargs = platform.sshargs