diff -r 93a4e72b4f83 -r f9cd48bd8625 mercurial/util.py
--- a/mercurial/util.py	Sat Apr 28 17:55:45 2007 -0300
+++ b/mercurial/util.py	Sat Apr 28 17:55:45 2007 -0300
@@ -764,9 +764,6 @@
     except:
         return True
 
-_umask = os.umask(0)
-os.umask(_umask)
-
 def checkexec(path):
     """
     Check whether the given path is on a filesystem with UNIX-like exec flags