From 61e0773d4f618edf3173e444b11ba0f3d2211138 Mon Sep 17 00:00:00 2001
From: jeremybox <33465600+jeremybox@users.noreply.github.com>
Date: Tue, 2 May 2023 15:53:15 -0400
Subject: [PATCH] Update update

Add a check for empty $LATEST variable.  This state can occur if the system does not have a working internet connection.
---
 update | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/update b/update
index 1717fce..748ff2b 100755
--- a/update
+++ b/update
@@ -108,7 +108,9 @@ CURRENT=$(head -1 ${MYPATH}/changelog | sed s'/version=//')
 
 LATEST=$(curl -s https://raw.githubusercontent.com/km4ack/pi-build/master/changelog | tac | tac | head -1 | sed 's/version=//')
 
-if (($(echo "$LATEST $CURRENT" | awk '{print ($1 > $2)}'))); then
+if [ -z "$LATEST" ] then
+	echo "There was an issue determining the latest version.  Please confirm that you have a working internet connection.
+elif (($(echo "$LATEST $CURRENT" | awk '{print ($1 > $2)}'))); then
 	cat <<EOF >${MYPATH}/updatebap.txt
 Build a Pi update available. Current version is $CURRENT and
 the lateest version is $LATEST. Would you like to update?