# HG changeset patch
# User Alexis S. L. Carvalho <alexis@cecm.usp.br>
# Date 2008-02-15 12:38:37
# 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 --git a/mercurial/util.py b/mercurial/util.py
--- a/mercurial/util.py
+++ b/mercurial/util.py
@@ -335,7 +335,7 @@ def pathto(root, n1, n2):
         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"""