--- elwix/install2img.sh	2014/09/12 00:29:27	1.7.6.2
+++ elwix/install2img.sh	2017/06/21 13:00:48	1.8.4.2
@@ -5,7 +5,7 @@
 # (C) AITNET ltd - Sofia/Bulgaria <office@aitnet.org>
 #    by Michael Pounov <misho@elwix.org>
 #
-# $Id: install2img.sh,v 1.7.6.2 2014/09/12 00:29:27 misho Exp $
+# $Id: install2img.sh,v 1.8.4.2 2017/06/21 13:00:48 misho Exp $
 #
 
 [ -r ./config/rc.elwix ] && . ./config/rc.elwix
@@ -52,22 +52,33 @@ initdev()
 		exit 3
 	fi
 
-	disklabel $1 2>&- | awk -vcfgsize=${CFG_NAND_SIZE:-65536} '($1 == "a:") {
-		        cfgsize /= 512;
-			for (i = 1; i <= NF; i++) {
-				if (i == 2)
-					printf("%s ", $i - cfgsize);
-				else if (i == 3) {
-					offset = $i;
-					printf("%s ", cfgsize + offset);
-				} else
-					printf("%s ", $i);
-			}
-			printf("\n");
-			printf("g: %d %d cfg 0 0 0\n", cfgsize, offset);
-			next;
-		      }
-		      { printf("%s\n", $0); }' >/tmp/disklabel.tmp
+	if [ X"$2" != X"no" ]; then
+		disklabel $1 2>&- | awk -vcfgsize=${CFG_NAND_SIZE:-65536} '($1 == "a:") {
+					cfgsize /= 512;
+					bootoff = $3;
+					freesize = $2 - cfgsize;
+					imgsize = freesize / 2;
+
+					printf("  a: %d %d unused 0 0 0\n", imgsize, cfgsize + bootoff);
+					printf("  f: %d %d unused 0 0 0\n", imgsize, imgsize + cfgsize + bootoff);
+					printf("  g: %d %d cfg 0 0 0\n", cfgsize, bootoff);
+					next;
+				}
+				{ printf("%s\n", $0); }' >/tmp/disklabel.tmp
+	else
+		disklabel $1 2>&- | awk -vcfgsize=${CFG_NAND_SIZE:-65536} '($1 == "a:") {
+					cfgsize /= 512;
+					bootoff = $3;
+					freesize = $2 - cfgsize;
+					imgsize = freesize;
+
+					printf("  a: %d %d unused 0 0 0\n", imgsize, cfgsize + bootoff);
+					printf("  g: %d %d cfg 0 0 0\n", cfgsize, bootoff);
+					next;
+				}
+				{ printf("%s\n", $0); }' >/tmp/disklabel.tmp
+	fi
+
 	if disklabel -R -m ${TARGET} $1 /tmp/disklabel.tmp; then
 		rm -f /tmp/disklabel.tmp
 		echo "OK"
@@ -138,6 +149,27 @@ install2()
 	fi
 }
 
+mkbak2()
+{
+	if [ X"$2" != X"no" ]; then
+		echo -n "+++ Syncing ELWIX OS image as backup OS image into ${1}f ..."
+		if dd if=/dev/${1}a of=/dev/${1}f; then
+			echo "OK"
+		else
+			echo "Failed!"
+			exit 8
+		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
+	fi
+}
+
 cleandev()
 {
 	mdconfig -d -u $1
@@ -156,6 +188,7 @@ gencksum()
 if [ -z "$1" -o ! -r "$1" ]; then
 	echo
 	echo "Error:: ELWIX OS tar file '$1' not found!"
+	echo "Syntax:: ./install2img.sh <ELWIX.tar.gz> [CF size] [yes == make secondary backup image]"
 	echo
 	exit 2
 else
@@ -166,13 +199,15 @@ else
 fi
 
 mkdevice $IMG ${2:-"${IMG_SIZE}"}
-initdev $DEV
+initdev $DEV ${3:-"no"}
 mountdev $DEV
 install2 $1
 umountdev
 #enablejfs $DEV
 boot2dev $DEV
+mkbak2 $DEV ${3:-"no"}
 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."