diff -r 4936a04b6792 -r 8b167ee8242f contrib/check-code.py
--- a/contrib/check-code.py	Tue Nov 02 17:44:19 2010 +0100
+++ b/contrib/check-code.py	Wed Nov 17 09:37:57 2010 +0100
@@ -64,6 +64,7 @@
     ('^([^"\']|("[^"]*")|(\'[^\']*\'))*\\^', "^ must be quoted"),
     (r'^source\b', "don't use 'source', use '.'"),
     (r'touch -d', "don't use 'touch -d', use 'touch -t' instead"),
+    (r'ls\s+[^-]+\s+-', "options to 'ls' must come before filenames"),
 ]
 
 testfilters = [