From 24ee2349c16f159f2627665938fd76d599055a9a Mon Sep 17 00:00:00 2001
From: Justin Bedo <cu@cua0.org>
Date: Thu, 22 Nov 2018 10:43:54 +1100
Subject: gridss: fix configure file optional string error

---
 tools/gridss-collectMetrics.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tools/gridss-collectMetrics.nix')

diff --git a/tools/gridss-collectMetrics.nix b/tools/gridss-collectMetrics.nix
index c1909f1..38bacc6 100644
--- a/tools/gridss-collectMetrics.nix
+++ b/tools/gridss-collectMetrics.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     mkdir $out
     java -Xmx1G -cp ${bionix.gridss.jar} \
 			gridss.analysis.CollectGridssMetrics \
-      ${optionalString config ("CONFIGURATION_FILE=" + gridssConfig config)} \
+      ${optionalString (config != null) ("CONFIGURATION_FILE=" + gridssConfig config)} \
 			I=${input}\
 			O=$out/input \
       AS=true \
-- 
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