--- elwix/install2img.sh	2017/06/21 13:00:48	1.8.4.2
+++ elwix/install2img.sh	2017/06/21 14:42:31	1.8.4.3
@@ -5,7 +5,7 @@
 # (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
 #    by Michael Pounov <misho@elwix.org>
 #
-# $Id: install2img.sh,v 1.8.4.2 2017/06/21 13:00:48 misho Exp $
+# $Id: install2img.sh,v 1.8.4.3 2017/06/21 14:42:31 misho Exp $
 #
 
 [ -r ./config/rc.elwix ] && . ./config/rc.elwix
@@ -159,14 +159,24 @@ mkbak2()
 			echo "Failed!"
 			exit 8
 		fi
+	else
+		echo "+++ Make ELWIX OS system image partion for upgrade into ${REL}/sys4up_${IMGNAME}.bin ..."
+		if dd if=/dev/${1}a of=${REL}/sys4up_${IMGNAME}.bin; then
+			echo "OK"
+		else
+			echo "Failed!"
+			exit 9
+		fi
 	fi
 
-	echo "+++ Make ELWIX OS system image partion for upgrade into ${REL}/sys4up_${IMGNAME}.bin ..."
-	if dd if=/dev/${1}a of=${REL}/sys4up_${IMGNAME}.bin; then
-		echo "OK"
-	else
-		echo "Failed!"
-		exit 9
+	if [ ! -f ${REL}/sys4up_${IMGNAME}.bin ]; then
+		echo "+++ Make ELWIX OS system image partion for upgrade into ${REL}/sys4up_${IMGNAME}.bin ..."
+		if dd if=/dev/${1}a of=${REL}/sys4up_${IMGNAME}.bin; then
+			echo "OK"
+		else
+			echo "Failed!"
+			exit 9
+		fi
 	fi
 }
 
@@ -193,9 +203,9 @@ if [ -z "$1" -o ! -r "$1" ]; then
 	exit 2
 else
 	IMGNAME=$(basename $1 | sed -e "s/.tar.gz//")
-	MD5CHK="${REL}/${IMGNAME}.md5"
-	SHA1CHK="${REL}/${IMGNAME}.sha1"
-	IMG="${REL}/${IMGNAME}.img"
+	MD5CHK="${REL}/${IMGNAME}${3:+"_2nd"}.md5"
+	SHA1CHK="${REL}/${IMGNAME}${3:+"_2nd"}.sha1"
+	IMG="${REL}/${IMGNAME}${3:+"_2nd"}.img"
 fi
 
 mkdevice $IMG ${2:-"${IMG_SIZE}"}
@@ -210,4 +220,4 @@ cleandev $DEV
 gencksum $IMG $MD5CHK $SHA1CHK
 gencksum ${REL}/sys4up_${IMGNAME}.bin ${REL}/sys4up_${IMGNAME}.md5 ${REL}/sys4up_${IMGNAME}.sha1
 
-echo "ELWIX OS image $IMGNAME complete."
+echo "ELWIX OS image ${IMGNAME}${3:+"_2nd"} complete."