# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 1520205676 18000
# Node ID 1fbbb8e83392ac026f67503956fb70a1bb6f515d
# Parent  86ba6e3eba4e0f286eeb2b6eea43a3812a199a80
py3: read/write plain lock file in binary mode

A lock file shouldn't contain '\n', so this isn't a BC.

diff -r 86ba6e3eba4e -r 1fbbb8e83392 contrib/python3-whitelist
--- a/contrib/python3-whitelist	Mon Mar 05 12:31:08 2018 -0500
+++ b/contrib/python3-whitelist	Sun Mar 04 18:21:16 2018 -0500
@@ -373,6 +373,7 @@
 test-subrepo.t
 test-symlinks.t
 test-tag.t
+test-tags.t
 test-treemanifest.t
 test-unamend.t
 test-uncommit.t
diff -r 86ba6e3eba4e -r 1fbbb8e83392 mercurial/util.py
--- a/mercurial/util.py	Mon Mar 05 12:31:08 2018 -0500
+++ b/mercurial/util.py	Sun Mar 04 18:21:16 2018 -0500
@@ -1685,7 +1685,8 @@
     except AttributeError: # no symlink in os
         pass
 
-    ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL)
+    flags = os.O_CREAT | os.O_WRONLY | os.O_EXCL | getattr(os, 'O_BINARY', 0)
+    ld = os.open(pathname, flags)
     os.write(ld, info)
     os.close(ld)
 
@@ -1697,7 +1698,7 @@
             raise
     except AttributeError: # no symlink in os
         pass
-    fp = posixfile(pathname)
+    fp = posixfile(pathname, 'rb')
     r = fp.read()
     fp.close()
     return r