t: use set -u

diff --git a/t/test.sh b/t/test.sh
index a76726643727970867e517364c27fb42c3098ce4..bd2000d731e6cdaa3f95dff00ee3520b25fe417c 100755 (executable)
--- a/t/test.sh
+++ b/t/test.sh
@@ -2,7 +2,7 @@
 
 # Small test file to check different --word-diff-regex settings in Git.
 
-# Copyright (C) 2012  Simon Ruderich
+# Copyright (C) 2012-2014  Simon Ruderich
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -18,7 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
-set -e
+set -eu
 
 git_diff() {
     git diff --color=never --word-diff=plain --word-diff-regex="$1" \