# HG changeset patch
# User Jeff Hammel <jhammel@mozilla.com>
# Date 1273279750 25200
# Node ID e091caa41075242f4843441fcf150d24f478bb5c
# Parent  e76a122d8622761bbdf2d04d3d305fb760e90ee6
add assertion that path doesnt exist already

diff -r e76a122d8622 -r e091caa41075 profilemanager/manager.py
--- a/profilemanager/manager.py	Fri May 07 17:22:38 2010 -0700
+++ b/profilemanager/manager.py	Fri May 07 17:49:10 2010 -0700
@@ -158,6 +158,9 @@
                 dest = os.path.abspath(dest)
             name = dest
 
+        # ensure backup directory is not already present
+        assert not os.path.exists(dest), "'%s' already exists"
+
         # copy the files
         self.clone(profile, dest, add=False)