# HG changeset patch
# User Pulkit Goyal <7895pulkit@gmail.com>
# Date 2018-03-04 19:33:23
# Node ID 3fdba7fb264df568beae7eed7fcc3ade0ae6ea56
# Parent  390d16ea7c7693606dc4b2a2e941d4ff84bc4339

py3: use util.forcebytestr to convert testedwith value to bytes

Bad extensions can put anything in testedwith so we should use util.forcebytestr
here.

Differential Revision: https://phab.mercurial-scm.org/D2663

diff --git a/mercurial/dispatch.py b/mercurial/dispatch.py
--- a/mercurial/dispatch.py
+++ b/mercurial/dispatch.py
@@ -990,7 +990,7 @@ def _exceptionwarning(ui):
     if worst[0] is not None:
         name, testedwith, report = worst
         if not isinstance(testedwith, (bytes, str)):
-            testedwith = '.'.join([str(c) for c in testedwith])
+            testedwith = '.'.join([util.forcebytestr(c) for c in testedwith])
         warning = (_('** Unknown exception encountered with '
                      'possibly-broken third-party extension %s\n'
                      '** which supports versions %s of Mercurial.\n'