diff -r 6e1412ba8da9 -r 2289c546c8e1 scripts/functions
--- a/scripts/functions	Fri Jul 29 13:04:49 2011 +0200
+++ b/scripts/functions	Mon Aug 01 18:56:15 2011 +0200
@@ -556,6 +556,7 @@
     for ext in ${first_ext} .tar.bz2 .tar.gz .tgz .tar ''; do
         # Try all urls in turn
         for url in ${URLS}; do
+            [ -n "${url}" ] || continue
             CT_DoLog DEBUG "Trying '${url}/${file}${ext}'"
             CT_DoGetFile "${url}/${file}${ext}"
             if [ -f "${CT_TARBALLS_DIR}/${file}${ext}" ]; then