diff -r 94c25f694ec3 -r 24e493ec2229 mercurial/hook.py
--- a/mercurial/hook.py	Mon Sep 24 22:46:22 2018 -0400
+++ b/mercurial/hook.py	Fri Sep 21 19:48:23 2018 -0400
@@ -150,7 +150,7 @@
     if repo:
         cwd = repo.root
     else:
-        cwd = pycompat.getcwd()
+        cwd = encoding.getcwd()
     r = ui.system(cmd, environ=env, cwd=cwd, blockedtag='exthook-%s' % (name,))
 
     duration = util.timer() - starttime