# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2021-02-24 14:16:22
# Node ID ebc6d3484fdda802c92e49105520ed58351d1d0a
# Parent  b910be772eb9bc0b62bd3bc421a2084d3ac72c9f

re2: byteify some regex used to get check re2 availability

Changeset 687b865b95ad failed to properly byteify this because it was a raw
string. This went undetected so far because re2 does not seems to be widely
tested.

Differential Revision: https://phab.mercurial-scm.org/D10064

diff --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -2170,7 +2170,7 @@ class _re(object):
         global _re2
         try:
             # check if match works, see issue3964
-            _re2 = bool(re2.match(r'\[([^\[]+)\]', b'[ui]'))
+            _re2 = bool(re2.match(br'\[([^\[]+)\]', b'[ui]'))
         except ImportError:
             _re2 = False