# HG changeset patch
# User Vadim Gelfer <vadim.gelfer@gmail.com>
# Date 2006-06-20 16:11:41
# Node ID ff9ee834e3b6f0c151f920288cdcfc62bbd2ff80
# Parent  605e26a2e96e706a66601a960d0cc63453e87c95

tidy up mtime patch of andrea, get back half of performance loss.
this makes diff < 3% slower than before.

diff --git a/mercurial/commands.py b/mercurial/commands.py
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -8,7 +8,7 @@
 from demandload import demandload
 from node import *
 from i18n import gettext as _
-demandload(globals(), "os re sys signal shutil imp urllib pdb stat")
+demandload(globals(), "os re sys signal shutil imp urllib pdb")
 demandload(globals(), "fancyopts ui hg util lock revlog templater bundlerepo")
 demandload(globals(), "fnmatch mdiff random signal tempfile time")
 demandload(globals(), "traceback errno socket version struct atexit sets bz2")
@@ -385,16 +385,14 @@ def dodiff(fp, ui, repo, node1, node2, f
         def read(f):
             return repo.file(f).read(mmap2[f])
     else:
+        tz = util.makedate()[1]
         _date2 = util.datestr()
-        _tz = util.makedate()[1]
         def date2(f):
             try:
-                _f = repo.wopener(f)
+                return util.datestr((os.lstat(repo.wjoin(f)).st_mtime, tz))
             except IOError, err:
-                if err[0] != errno.ENOENT:
-                    raise
+                if err.errno != errno.ENOENT: raise
                 return _date2
-            return util.datestr((os.fstat(_f.fileno())[stat.ST_MTIME], _tz))
         def read(f):
             return repo.wread(f)