From a509694220789bb0674f8ab4210a448057df7e4c Mon Sep 17 00:00:00 2001
From: Rob Vermaas <rob.vermaas@gmail.com>
Date: Wed, 29 Apr 2009 11:07:46 +0000
Subject: [PATCH] Hydra now uses an optional HYDRA_DBI environment variable
 which holds the DBI url. If this variable is not set, sqlite is used like
 before.

---
 src/lib/Hydra/Helper/Nix.pm | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/lib/Hydra/Helper/Nix.pm b/src/lib/Hydra/Helper/Nix.pm
index 321e874a..c758bd91 100644
--- a/src/lib/Hydra/Helper/Nix.pm
+++ b/src/lib/Hydra/Helper/Nix.pm
@@ -65,9 +65,15 @@ sub getHydraPath {
 
 
 sub getHydraDBPath {
-    my $path = getHydraPath . '/hydra.sqlite';
-    die "The Hydra database ($path) not exist!\n" unless -f $path;
-    return "dbi:SQLite:$path";
+    my $db = $ENV{"HYDRA_DBI"};
+    if ($db ne "") {
+      return $db ;
+    }
+    else {
+        my $path = getHydraPath . '/hydra.sqlite';
+        die "The Hydra database ($path) not exist!\n" unless -f $path;
+        return "dbi:SQLite:$path";
+    }
 }