--- a/contrib/check-code.py	Thu Apr 05 15:39:07 2012 +0200
+++ b/contrib/check-code.py	Thu Apr 05 12:31:21 2012 +0100
@@ -94,6 +94,8 @@
      "explicit exit code checks unnecessary"),
     (uprefix + r'set -e', "don't use set -e"),
     (uprefixc + r'( *)\t', "don't use tabs to indent"),
+    (uprefixc + r'.*do\s*true;\s*done',
+     "don't use true as loop body, use sleep 0"),
   ],
   # warnings
   []