From b4824a9f2950571e43b20bb632058ea1c7a7277c Mon Sep 17 00:00:00 2001
From: David Oberhollenzer <david.oberhollenzer@tele2.at>
Date: Thu, 27 Sep 2018 23:51:15 +0200
Subject: [PATCH] Fix missing LAYERCONF in check_update script

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
---
 check_update.sh  |  1 +
 util/override.sh | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/check_update.sh b/check_update.sh
index f6cb249..15ba746 100755
--- a/check_update.sh
+++ b/check_update.sh
@@ -6,6 +6,7 @@ SCRIPTDIR=$(cd $(dirname "${BASH_SOURCE[0]}") && pwd)
 
 # dummy toolchain variables
 export LINUXPKG="linux"
+export LAYERCONF=""
 
 # utilities
 source "$SCRIPTDIR/util/depends.sh"
diff --git a/util/override.sh b/util/override.sh
index 08be3d1..e8b13ea 100644
--- a/util/override.sh
+++ b/util/override.sh
@@ -1,6 +1,10 @@
 file_path_override() {
 	local layer
 
+	if [ -z "$LAYERCONF" ]; then
+		return
+	fi
+
 	tac "$LAYERCONF" | while read layer; do
 		if [ -e "$SCRIPTDIR/layer/$layer/$1" ]; then
 			echo "$SCRIPTDIR/layer/$layer/$1"
@@ -20,6 +24,10 @@ cat_file_override() {
 cat_file_merge() {
 	local layer
 
+	if [ -z "$LAYERCONF" ]; then
+		return
+	fi
+
 	while read layer; do
 		if [ -e "$SCRIPTDIR/layer/$layer/$1" ]; then
 			cat "$SCRIPTDIR/layer/$layer/$1"
@@ -38,6 +46,10 @@ include_override() {
 include_merge() {
 	local layer
 
+	if [ -z "$LAYERCONF" ]; then
+		return
+	fi
+
 	while read layer; do
 		if [ -e "$SCRIPTDIR/layer/$layer/$1" ]; then
 			source "$SCRIPTDIR/layer/$layer/$1"