From b98454b8b254e5bc4932cee65be1455977335ef9 Mon Sep 17 00:00:00 2001
From: Tom Scogland <tscogland@llnl.gov>
Date: Tue, 9 Jun 2015 09:07:58 -0700
Subject: fixing regular expression matches to use regular expression syntax
 instead of globbing syntax

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

diff --git a/share/spack/setup-env.sh b/share/spack/setup-env.sh
index b2bcbaf6c7..b90846d28f 100755
--- a/share/spack/setup-env.sh
+++ b/share/spack/setup-env.sh
@@ -64,7 +64,7 @@ function spack {
     done
 
     # h and V flags don't require further output parsing.
-    if [[ "$_sp_flags" =~ *h* || "$_sp_flags" =~ *V* ]]; then
+    if [[ (! -z "$_sp_flags") && ("$_sp_flags" =~ '.*h.*' || "$_sp_flags" =~ '.*V.*') ]]; then
         command spack $_sp_flags "$@"
         return
     fi
-- 
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