From f32c679946fa6d28981bda4f16959bf90656b2f6 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <LukeShu@sbcglobal.net>
Date: Sun, 26 May 2013 21:16:38 -0400
Subject: lib/conf.sh: fix bug with `set -u`

---
 src/lib/conf.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/lib')

diff --git a/src/lib/conf.sh b/src/lib/conf.sh
index ca25f70..73dfca4 100644
--- a/src/lib/conf.sh
+++ b/src/lib/conf.sh
@@ -71,7 +71,7 @@ check_vars() {
 	shift
 	local ret=0
 	for VAR in "$@"; do
-		if [[ -z ${!VAR} ]]; then
+		if [[ -z ${!VAR:-} ]]; then
 			if [[ $(list_files $slug|wc -l) > 1 ]]; then
 				echo "Configure '$VAR' in one of:"
 				list_files $slug | sed 's/./  -> &/'
-- 
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