From e84e68b481fa40c510ad4498786d49fda3684500 Mon Sep 17 00:00:00 2001
From: Mark McGranaghan <mmcgrana@gmail.com>
Date: Mon, 1 Oct 2012 19:03:22 -0700
Subject: [PATCH] saftey

---
 tool/build-html | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tool/build-html b/tool/build-html
index 75b38a3..825e9dc 100755
--- a/tool/build-html
+++ b/tool/build-html
@@ -1,3 +1,6 @@
 #!/bin/bash
 
+set -e
+set -o pipefail
+
 ls src/0*/*.{go,sh} | xargs tool/build-html-inner > build/go-by-example.html