diff -r 10c8110d114b -r 2a1d97630f7f contrib/check-code.py
--- a/contrib/check-code.py	Fri Jan 27 02:59:59 2012 +0100
+++ b/contrib/check-code.py	Fri Jan 27 03:00:03 2012 +0100
@@ -71,6 +71,7 @@
     (r'[^>\n]>\s*\$HGRCPATH', "don't overwrite $HGRCPATH, append to it"),
     (r'^stop\(\)', "don't use 'stop' as a shell function name"),
     (r'(\[|\btest\b).*-e ', "don't use 'test -e', use 'test -f'"),
+    (r'^alias\b.*=', "don't use alias, use a function"),
   ],
   # warnings
   []