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-callVariants.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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

diff --git a/tools/gridss-callVariants.nix b/tools/gridss-callVariants.nix
index dc978fa..9afaf65 100644
--- a/tools/gridss-callVariants.nix
+++ b/tools/gridss-callVariants.nix
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
       WORKER_THREADS=$NIX_BUILD_CORES \
 	    TMP_DIR=. \
 	    WORKING_DIR=. \
-      ${optionalString config ("CONFIGURATION_FILE=" + gridssConfig config)} \
+      ${optionalString (config != null) ("CONFIGURATION_FILE=" + gridssConfig config)} \
 	    REFERENCE_SEQUENCE="ref.fa" \
       ${concatMapStringsSep " " (i: "INPUT=\"${i}\"") inputs} \
 	    OUTPUT="$out/gridss.vcf" \
-- 
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