tests/test-hook

--- a/tests/test-hook	Tue Dec 15 10:44:10 2009 -0600
+++ b/tests/test-hook	Wed Dec 16 12:10:21 2009 +0100
@@ -260,6 +260,6 @@
 echo 'precommit.importfail = python:importfail.whatever' >> .hg/hgrc
 
 echo a >> a
-hg --traceback commit -Ama 2>&1 | grep '^\(exception\|Traceback\|ImportError\)'
+hg --traceback commit -Ama 2>&1 | egrep '^(exception|Traceback|ImportError)'
 
 exit 0