--- a/contrib/check-code.py	Sun Apr 22 21:27:52 2012 -0400
+++ b/contrib/check-code.py	Mon Apr 23 01:56:48 2012 +0200
@@ -74,6 +74,7 @@
     (r'(\[|\btest\b).*-e ', "don't use 'test -e', use 'test -f'"),
     (r'^alias\b.*=', "don't use alias, use a function"),
     (r'if\s*!', "don't use '!' to negate exit status"),
+    (r'/dev/u?random', "don't use entropy, use /dev/zero"),
   ],
   # warnings
   []