When retrieving a file, allow preferred extension to be whatever starts with a dot, and not only one of .tar.bz2 .tar.gz .tgz or .tar.

/trunk/scripts/functions |    5     3     2     0 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

scripts/functions

@@ -334,9 +334,10 @@ CT_GetFile() {
     local file="$1"
     local first_ext=""
     shift
+    # If next argument starts with a dot, then this is not an URL,
+    # and we can consider that it is a preferred extension.
     case "$1" in
-        .tar.bz2|.tar.gz|.tgz|.tar)
-            first_ext="$1"
+        .*) first_ext="$1"
             shift
             ;;
     esac