[no ci] Scripts: add simple nor repack script

general/scripts/repack.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+link=https://github.com/openipc/firmware/releases/download/latest
+
+if [ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ]; then
+	echo "Usage: $0 [uboot] [firmware] [variant]"
+	echo "  $0 t21n t21 ultimate"
+	echo "  $0 ssc335 ssc335 lite"
+	exit 0
+fi
+
+uboot=u-boot-$1-nor.bin
+firmware=openipc.$2-nor-$3.tgz
+release=openipc-$2-nor.bin
+
+mkdir -p output
+if ! wget -q --show-progress $link/$uboot -O output/$1.bin; then
+	echo "Download failed: $link/$uboot"
+	exit 1
+fi
+
+if ! wget -q --show-progress $link/$firmware -O output/$2.tgz; then
+	echo "Download failed: $link/$firmware"
+	exit 1
+fi
+
+tar -xf output/$2.tgz -C output
+dd if=/dev/zero bs=1K count=5000 status=none | tr '\000' '\377' > $release
+dd if=output/$1.bin of=$release bs=1K seek=0 conv=notrunc status=none
+dd if=output/uImage.$2 of=$release bs=1K seek=320 conv=notrunc status=none
+dd if=output/rootfs.squashfs.$2 of=$release bs=1K seek=2368 conv=notrunc status=none
+rm -rf output
+
+echo "Created: $release"