diff -r cbdfd08eabc9 -r c016dc1a8e91 mercurial/util.py
--- a/mercurial/util.py	Tue Jul 22 13:03:31 2008 -0500
+++ b/mercurial/util.py	Wed Jul 23 16:14:45 2008 +0200
@@ -1500,7 +1500,7 @@
             mode += "b" # for that other OS
 
         nlink = -1
-        if mode[0] != "r":
+        if mode not in ("r", "rb"):
             try:
                 nlink = nlinks(f)
             except OSError: