From 6cc9b3174720057b9814c64259b6dc033623d048 Mon Sep 17 00:00:00 2001
From: "Adam J. Stewart" <ajstewart426@gmail.com>
Date: Tue, 29 Nov 2016 19:04:29 -0600
Subject: Allow shell support to work when set -u is set (#2418)

---
 share/spack/setup-env.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'share')

diff --git a/share/spack/setup-env.sh b/share/spack/setup-env.sh
index f602ea627e..943db72612 100755
--- a/share/spack/setup-env.sh
+++ b/share/spack/setup-env.sh
@@ -58,7 +58,7 @@
 
 function spack {
     # Zsh does not do word splitting by default, this enables it for this function only
-    if [ -n "$ZSH_VERSION" ]; then
+    if [ -n "${ZSH_VERSION:-}" ]; then
         emulate -L sh
     fi
 
-- 
cgit v1.2.3-70-g09d2