From d11b614e92501a917077b38b43fa66c114033811 Mon Sep 17 00:00:00 2001
From: cronyx <xcronyx@gmail.com>
Date: Wed, 3 Aug 2022 14:58:37 +0300
Subject: [PATCH] sysupgrade: check file not found or corrupt

---
 general/overlay/usr/sbin/sysupgrade | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

diff --git a/general/overlay/usr/sbin/sysupgrade b/general/overlay/usr/sbin/sysupgrade
index 0ae5126d..06aa5ac2 100755
--- a/general/overlay/usr/sbin/sysupgrade
+++ b/general/overlay/usr/sbin/sysupgrade
@@ -1,9 +1,9 @@
 #!/bin/sh
 #
-# OpenIPC.org | v.20220727
+# OpenIPC.org | v.20220803
 #
 
-scr_version=1.0.1
+scr_version=1.0.2
 
 args=" $@"
 
@@ -116,16 +116,20 @@ self_update() {
   	else
 		echo -e "\nOnline upgrade, checking sysupgrade version..."
 	  	curl -s -k -L -o /tmp/sysupgrade "https://raw.githubusercontent.com/OpenIPC/firmware/master/general/overlay/usr/sbin/sysupgrade"
-	  	dstv=`grep scr_version /tmp/sysupgrade | head -1 | cut -f 2 -d '='`
-	  	if ! [ "${scr_version}" = "${dstv}" ]; then
-			echo "A new version is available, trying to update..."
-			chmod +x /tmp/sysupgrade
-			echo -e "Done. Restarting...\n"
-			exec /tmp/sysupgrade ${args}
-			exit 1
-	  	else
-			echo "Ok, version match."
-	  	fi
+		if [ -f /tmp/sysupgrade ] && grep -q "#!/bin/sh" /tmp/sysupgrade; then
+	  		dstv=`grep scr_version /tmp/sysupgrade | head -1 | cut -f 2 -d '='`
+	  		if ! [ "${scr_version}" = "${dstv}" ]; then
+				echo "A new version is available, trying to run updated script..."
+				chmod +x /tmp/sysupgrade
+				exec /tmp/sysupgrade ${args}
+				echo -e "Done. Restarting...\n"
+				exit 1
+	  		else
+				echo "Ok, version match."
+	  		fi
+		else
+			echo -e "\nVersion check failed. Possible network connection problem, script is corrupt or not found. Continue with bundled version."
+		fi
   	fi
 }