From c32daa2096b18dec464f9934fba87c61bd13a214 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Sat, 19 Mar 2016 08:41:34 +0100
Subject: Barf on using un-set variables

---
 publish-purge | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/publish-purge b/publish-purge
index d10e78b..ea65755 100755
--- a/publish-purge
+++ b/publish-purge
@@ -27,7 +27,7 @@
 
 
 set -e
-
+set -u
 
 test_if_ancient()
 {
-- 
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