# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 2017-03-12 23:26:34
# Node ID 2e48c776a874b3154aff3dbf6de06faacacf81a0
# Parent  52ee1b5ac277bd5569a8d3e3ae3e11dff0543323

lock: do not encode result of gethostname on Python 2

If a hostname contained non-ascii character, str.encode() would first try
to decode it to a unicode and raise UnicodeDecodeError.

diff --git a/mercurial/lock.py b/mercurial/lock.py
--- a/mercurial/lock.py
+++ b/mercurial/lock.py
@@ -28,8 +28,9 @@ def _getlockprefix():
     confidence. Typically it's just hostname. On modern linux, we include an
     extra Linux-specific pid namespace identifier.
     """
-    result = socket.gethostname().encode(
-        pycompat.sysstr(encoding.encoding), 'replace')
+    result = socket.gethostname()
+    if pycompat.ispy3:
+        result = result.encode(pycompat.sysstr(encoding.encoding), 'replace')
     if pycompat.sysplatform.startswith('linux'):
         try:
             result += '/%x' % os.stat('/proc/self/ns/pid').st_ino