From b78e84097fab550f365d39ca715632c7b9abd379 Mon Sep 17 00:00:00 2001
From: John Ericson <John.Ericson@Obsidian.Systems>
Date: Thu, 7 Nov 2019 15:05:23 -0500
Subject: [PATCH] gdk-pixbuf setup hook: GDK_PIXBUF_MODULE_FILE might not be
 defined

Also switch to [[ ... ]] because it is more robust w.r.t. empty
arguments.
---
 pkgs/development/libraries/gdk-pixbuf/setup-hook.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/libraries/gdk-pixbuf/setup-hook.sh b/pkgs/development/libraries/gdk-pixbuf/setup-hook.sh
index 5a7dcd7929969..8b6c80867a03a 100644
--- a/pkgs/development/libraries/gdk-pixbuf/setup-hook.sh
+++ b/pkgs/development/libraries/gdk-pixbuf/setup-hook.sh
@@ -2,9 +2,9 @@ findGdkPixbufLoaders() {
 
 	# choose the longest loaders.cache
 	local loadersCache="$1/lib/gdk-pixbuf-2.0/2.10.0/loaders.cache"
-	if [ -f "$loadersCache" ]; then
-		if [ -f "$GDK_PIXBUF_MODULE_FILE" ]; then
-			if [ $(cat "$loadersCache"|wc -l) -gt $(cat "$GDK_PIXBUF_MODULE_FILE"|wc -l) ]; then
+	if [[ -f "$loadersCache" ]]; then
+		if [[ -f "${GDK_PIXBUF_MODULE_FILE-}" ]]; then
+			if [[ "$(cat "$loadersCache" | wc -l)" > "$(cat "$GDK_PIXBUF_MODULE_FILE" | wc -l)" ]]; then
 				export GDK_PIXBUF_MODULE_FILE="$loadersCache"
 			fi
 		else