--- a/contrib/check-code.py Sat May 13 16:26:43 2017 -0700
+++ b/contrib/check-code.py Mon May 15 14:08:02 2017 -0400
@@ -116,6 +116,7 @@
(r'printf.*[^\\]\\x', "don't use printf \\x, use Python"),
(r'\$\(.*\)', "don't use $(expr), use `expr`"),
(r'rm -rf \*', "don't use naked rm -rf, target a directory"),
+ (r'\[[^\]]+==', '[ foo == bar ] is a bashism, use [ foo = bar ] instead'),
(r'(^|\|\s*)grep (-\w\s+)*[^|]*[(|]\w',
"use egrep for extended grep syntax"),
(r'/bin/', "don't use explicit paths for tools"),