diff -r ba734ff5cadd -r 97ed99d1f419 mercurial/posix.py
--- a/mercurial/posix.py	Sun Apr 24 17:52:46 2011 -0500
+++ b/mercurial/posix.py	Sat Apr 23 00:51:25 2011 +0300
@@ -59,7 +59,7 @@
             os.unlink(f)
             try:
                 os.symlink(data, f)
-            except:
+            except OSError:
                 # failed to make a link, rewrite file
                 fp = open(f, "w")
                 fp.write(data)