add sysupgrade missing script files Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>master
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#!/bin/sh |
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# Copyright (C) 2012-2015 OpenWrt.org |
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move_config() { |
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local partdev |
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. /lib/upgrade/common.sh |
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if export_bootdevice && export_partdevice partdev -1; then |
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if mount -t vfat -o rw,noatime "/dev/$partdev" /mnt; then |
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if [ -f /mnt/sysupgrade.tgz ]; then |
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mv -f /mnt/sysupgrade.tgz / |
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fi |
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umount /mnt |
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fi |
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fi |
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} |
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boot_hook_add preinit_mount_root move_config |
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platform_check_image() { |
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local diskdev partdev diff |
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export_bootdevice && export_partdevice diskdev -2 || { |
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echo "Unable to determine upgrade device" |
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return 1 |
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} |
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get_partitions "/dev/$diskdev" bootdisk |
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#extract the boot sector from the image |
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get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b 2>/dev/null |
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get_partitions /tmp/image.bs image |
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#compare tables |
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diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" |
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rm -f /tmp/image.bs /tmp/partmap.bootdisk /tmp/partmap.image |
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if [ -n "$diff" ]; then |
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echo "Partition layout has changed. Full image will be written." |
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ask_bool 0 "Abort" && exit 1 |
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return 0 |
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fi |
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} |
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platform_copy_config() { |
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local partdev |
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if export_partdevice partdev -1; then |
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mount -t vfat -o rw,noatime "/dev/$partdev" /mnt |
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cp -af "$CONF_TAR" /mnt/ |
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umount /mnt |
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fi |
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} |
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platform_do_upgrade() { |
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local diskdev partdev diff |
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export_bootdevice && export_partdevice diskdev -2 || { |
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echo "Unable to determine upgrade device" |
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return 1 |
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} |
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sync |
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if [ "$SAVE_PARTITIONS" = "1" ]; then |
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get_partitions "/dev/$diskdev" bootdisk |
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#extract the boot sector from the image |
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get_image "$@" | dd of=/tmp/image.bs count=1 bs=512b |
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get_partitions /tmp/image.bs image |
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#compare tables |
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diff="$(grep -F -x -v -f /tmp/partmap.bootdisk /tmp/partmap.image)" |
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else |
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diff=1 |
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fi |
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if [ -n "$diff" ]; then |
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get_image "$@" | dd of="/dev/$diskdev" bs=4096 conv=fsync |
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# Separate removal and addtion is necessary; otherwise, partition 1 |
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# will be missing if it overlaps with the old partition 2 |
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partx -d - "/dev/$diskdev" |
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partx -a - "/dev/$diskdev" |
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return 0 |
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fi |
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#write uboot image |
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get_image "$@" | dd of="$diskdev" bs=1024 skip=8 seek=8 count=1016 conv=fsync |
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#iterate over each partition from the image and write it to the boot disk |
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while read part start size; do |
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part="$(($part - 2))" |
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if export_partdevice partdev $part; then |
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echo "Writing image to /dev/$partdev..." |
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get_image "$@" | dd of="/dev/$partdev" ibs="512" obs=1M skip="$start" count="$size" conv=fsync |
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else |
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echo "Unable to find partition $part device, skipped." |
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fi |
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done < /tmp/partmap.image |
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#copy partition uuid |
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echo "Writing new UUID to /dev/$diskdev..." |
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get_image "$@" | dd of="/dev/$diskdev" bs=1 skip=440 count=4 seek=440 conv=fsync |
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} |
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