From f1611a7edd31b2eb4f6072b59593f7418b738ca0 Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Sat, 9 May 2009 16:00:08 +0000
Subject: [PATCH] check if HYDRA_DBI is defined in stead of empty string
 comparison

---
 src/lib/Hydra/Helper/Nix.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lib/Hydra/Helper/Nix.pm b/src/lib/Hydra/Helper/Nix.pm
index c758bd91..1865979b 100644
--- a/src/lib/Hydra/Helper/Nix.pm
+++ b/src/lib/Hydra/Helper/Nix.pm
@@ -66,7 +66,7 @@ sub getHydraPath {
 
 sub getHydraDBPath {
     my $db = $ENV{"HYDRA_DBI"};
-    if ($db ne "") {
+    if ( defined $db ) {
       return $db ;
     }
     else {