--- a/mercurial/utils/procutil.py	Sun Sep 29 11:29:25 2019 -0700
+++ b/mercurial/utils/procutil.py	Mon Sep 30 00:01:58 2019 +0200
@@ -70,6 +70,7 @@
 spawndetached = platform.spawndetached
 sshargs = platform.sshargs
 testpid = platform.testpid
+quote = pycompat.shlexquote
 
 try:
     setprocname = osutil.setprocname