# HG changeset patch
# User Gregory Szorc <gregory.szorc@gmail.com>
# Date 2019-02-12 19:27:27
# Node ID f63ba0b9d06f6fb24328bf78c24721f0f4eba648
# Parent  ec7bba81ebf4fb795d95589f6bd0574fa7ae923a

revlog: use iterbytestr()

Otherwise we iterate over integers in Python 3 and the
character compare fails.

Differential Revision: https://phab.mercurial-scm.org/D5947

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -1340,7 +1340,7 @@ class revlog(object):
             return True
 
         def maybewdir(prefix):
-            return all(c == 'f' for c in prefix)
+            return all(c == 'f' for c in pycompat.iterbytestr(prefix))
 
         hexnode = hex(node)