# HG changeset patch
# User Alexis S. L. Carvalho <alexis@cecm.usp.br>
# Date 1203079117 7200
# Node ID 213ea6eed41281a0a5eeec9d6707b392dd4a413f
# Parent  81e20e01d465a916aba6d44e5add6169a7bd1f04
util.pathto: return '.' instead of an empty string

This could happen with something like
pathto(repo.root, 'foo/bar', 'foo/bar')

diff -r 81e20e01d465 -r 213ea6eed412 mercurial/util.py
--- a/mercurial/util.py	Thu Feb 14 18:08:16 2008 -0200
+++ b/mercurial/util.py	Fri Feb 15 10:38:37 2008 -0200
@@ -335,7 +335,7 @@
         a.pop()
         b.pop()
     b.reverse()
-    return os.sep.join((['..'] * len(a)) + b)
+    return os.sep.join((['..'] * len(a)) + b) or '.'
 
 def canonpath(root, cwd, myname):
     """return the canonical path of myname, given cwd and root"""