# HG changeset patch
# User Patrick Mezard <pmezard@gmail.com>
# Date 1184708022 -7200
# Node ID 8a53b39cd4026f5f11aa3b324baee54c01d9f74f
# Parent  27414950abf5102b3488fbb6ee27fa6de2a752d8
posixfile_nt: '+' was understood as read mode instead of update.

diff --git a/mercurial/util_win32.py b/mercurial/util_win32.py
--- a/mercurial/util_win32.py
+++ b/mercurial/util_win32.py
@@ -209,9 +209,9 @@ class posixfile_nt(object):
 
     def __init__(self, name, mode='rb'):
         access = 0
-        if 'r' in mode or '+' in mode:
+        if 'r' in mode:
             access |= win32file.GENERIC_READ
-        if 'w' in mode or 'a' in mode:
+        if 'w' in mode or 'a' in mode or '+' in mode:
             access |= win32file.GENERIC_WRITE
         if 'r' in mode:
             creation = win32file.OPEN_EXISTING