diff -r b8d8599410da -r fab28a577a38 contrib/check-code.py
--- a/contrib/check-code.py	Thu Dec 01 17:39:30 2011 -0500
+++ b/contrib/check-code.py	Fri Dec 02 16:50:48 2011 +0100
@@ -88,7 +88,7 @@
     (r'^(\S|  $ ).*(\S[ \t]+|^[ \t]+)\n', "trailing whitespace on non-output"),
     (uprefix + r'.*\|\s*sed', "use regex test output patterns instead of sed"),
     (uprefix + r'(true|exit 0)', "explicit zero exit unnecessary"),
-    (uprefix + r'.*\$\?', "explicit exit code checks unnecessary"),
+    (uprefix + r'.*(?<!\[)\$\?', "explicit exit code checks unnecessary"),
     (uprefix + r'.*\|\| echo.*(fail|error)',
      "explicit exit code checks unnecessary"),
     (uprefix + r'set -e', "don't use set -e"),