remove old nandroid script
This commit is contained in:
Koushik K. Dutta
@@ -364,7 +364,6 @@ int do_nandroid_backup(char* backup_name)
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return print_and_error("Error while dumping boot image!\n");
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// TODO: Wrap this up in a loop?
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ui_print("Backing up system...\n");
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sprintf(tmp, "%s/%s", backupdir, "system.img");
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if (ensure_root_path_mounted("SYSTEM:") != 0)
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@@ -412,6 +411,7 @@ int do_nandroid_restore(char* backup_path)
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if (0 != system(tmp))
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return print_and_error("MD5 mismatch!\n");
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// TODO: put this in a loop?
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ui_print("Restoring system...\n");
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if (0 != ensure_root_path_unmounted("SYSTEM:"))
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return print_and_error("Can't unmount /system!\n");
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@@ -1,312 +0,0 @@
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#!/sbin/sh
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# nandroid v2.1 - an Android backup tool for the G1 by infernix and brainaid
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# Requirements:
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# - a modded android in recovery mode (JF 1.3 will work by default)
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# - adb shell as root in recovery mode if not using a pre-made recovery image
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# - busybox in recovery mode
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# - dump_image-arm-uclibc compiled and in path on phone
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# - mkyaffs2image-arm-uclibc compiled and installed in path on phone
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# Reference data:
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# dev: size erasesize name
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#mtd0: 00040000 00020000 "misc"
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#mtd1: 00500000 00020000 "recovery"
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#mtd2: 00280000 00020000 "boot"
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#mtd3: 04380000 00020000 "system"
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#mtd4: 04380000 00020000 "cache"
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#mtd5: 04ac0000 00020000 "userdata"
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#mtd6 is everything, dump splash1 with: dd if=/dev/mtd/mtd6ro of=/sdcard/splash1.img skip=19072 bs=2048 count=150
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# We don't dump misc or cache because they do not contain any useful data that we are aware of at this time.
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# Logical steps (v2.1):
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#
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# 0. test for a target dir and the various tools needed, if not found then exit with error.
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# 1. check "adb devices" for a device in recovery mode. set DEVICEID variable to the device ID. abort when not found.
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# 2. mount system and data partitions read-only, set up adb portforward and create destdir
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# 3. check free space on /cache, exit if less blocks than 20MB free
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# 4. push required tools to device in /cache
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# 5 for partitions boot recovery misc:
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# 5a get md5sum for content of current partition *on the device* (no data transfered)
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# 5b while MD5sum comparison is incorrect (always is the first time):
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# 5b1 dump current partition to a netcat session
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# 5b2 start local netcat to dump image to current dir
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# 5b3 compare md5sums of dumped data with dump in current dir. if correct, contine, else restart the loop (6b1)
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# 6 for partitions system data:
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# 6a get md5sum for tar of content of current partition *on the device* (no data transfered)
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# 6b while MD5sum comparison is incorrect (always is the first time):
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# 6b1 tar current partition to a netcat session
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# 6b2 start local netcat to dump tar to current dir
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# 6b3 compare md5sums of dumped data with dump in current dir. if correct, contine, else restart the loop (6b1)
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# 6c if i'm running as root:
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# 6c1 create a temp dir using either tempdir command or the deviceid in /tmp
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# 6c2 extract tar to tempdir
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# 6c3 invoke mkyaffs2image to create the img
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# 6c4 clean up
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# 7. remove tools from device /cache
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# 8. umount system and data on device
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# 9. print success.
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RECOVERY=foo
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echo "nandroid-mobile v2.1"
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mkfstab.sh > /etc/fstab
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if [ "$1" == "" ]; then
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echo "Usage: $0 {backup|restore} [/path/to/nandroid/backup/]"
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echo "- backup will store a full system backup on /sdcard/nandroid"
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echo "- restore path will restore the last made backup for boot, system, recovery and data"
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exit 0
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fi
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case $1 in
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backup)
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mkyaffs2image=`which mkyaffs2image`
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if [ "$mkyaffs2image" == "" ]; then
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mkyaffs2image=`which mkyaffs2image-arm-uclibc`
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if [ "$mkyaffs2image" == "" ]; then
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echo "error: mkyaffs2image or mkyaffs2image-arm-uclibc not found in path"
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exit 1
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fi
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fi
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dump_image=`which dump_image`
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if [ "$dump_image" == "" ]; then
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dump_image=`which dump_image-arm-uclibc`
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if [ "$dump_image" == "" ]; then
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echo "error: dump_image or dump_image-arm-uclibc not found in path"
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exit 2
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fi
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fi
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break
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;;
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restore)
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flash_image=`which flash_image`
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if [ "$flash_image" == "" ]; then
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flash_image=`which flash_image-arm-uclibc`
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if [ "$flash_image" == "" ]; then
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echo "error: flash_image or flash_image-arm-uclibc not found in path"
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exit 3
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fi
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fi
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unyaffs=`which unyaffs`
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if [ "$unyaffs" == "" ]; then
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echo "error: unyaffs not found in path"
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exit 4
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fi
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break
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;;
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esac
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# 1
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RECOVERY=`cat /proc/cmdline | grep "androidboot.mode=recovery"`
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if [ "$RECOVERY" == "foo" ]; then
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echo "error: not running in recovery mode, aborting"
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exit 5
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fi
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if [ ! "`id -u 2>/dev/null`" == "0" ]; then
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if [ "`whoami 2>&1 | grep 'uid 0'`" == "" ]; then
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echo "error: must run as root, aborting"
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exit 6
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fi
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fi
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case $1 in
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restore)
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ENERGY=`cat /sys/class/power_supply/battery/capacity`
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if [ "`cat /sys/class/power_supply/battery/status`" == "Charging" ]; then
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ENERGY=100
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fi
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if [ ! $ENERGY -ge 30 ]; then
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echo "Error: not enough battery power"
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echo "Connect charger or USB power and try again"
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exit 7
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fi
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RESTOREPATH=$2
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if [ ! -f $RESTOREPATH/nandroid.md5 ]; then
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echo "error: $RESTOREPATH/nandroid.md5 not found, cannot verify backup data"
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exit 8
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fi
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umount /system 2>/dev/null
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umount /data 2>/dev/null
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mount -o rw /system || FAIL=1
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mount -o rw /data || FAIL=2
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case $FAIL in
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1) echo "Error mounting system read-write"; umount /system /data /cache; exit 9;;
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2) echo "Error mounting data read-write"; umount /system /data /cache; exit 10;;
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esac
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echo "Verifying backup images..."
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CWD=$PWD
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cd $RESTOREPATH
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md5sum -c nandroid.md5
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if [ $? -eq 1 ]; then
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echo "error: md5sum mismatch, aborting"
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exit 11
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fi
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for image in boot; do
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echo "Flashing $image..."
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$flash_image $image $image.img
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done
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curdir=$(pwd)
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for image in system data cache; do
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echo "Unpacking $image..."
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cd /$image
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rm -rf *
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unyaffs $curdir/$image.img
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cd $curdir
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done
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sync
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umount /system
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umount /data
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echo "Restore done"
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exit 0
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;;
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backup)
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break
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;;
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*)
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echo "Usage: $0 {backup|restore} [/path/to/nandroid/backup/] [backupname]"
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echo "- backup will store a full system backup on /sdcard/nandroid"
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echo "- restore path will restore the last made backup for boot, system, recovery and data"
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exit 12
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;;
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esac
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# 2.
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echo "mounting system and data read-only, sdcard read-write"
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umount /system 2>/dev/null
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umount /data 2>/dev/null
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umount /sdcard 2>/dev/null
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mount -o ro /system || FAIL=1
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mount -o ro /data || FAIL=2
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mount /sdcard || FAIL=3
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case $FAIL in
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1) echo "Error mounting system read-only"; umount /system /data /sdcard; exit 13;;
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2) echo "Error mounting data read-only"; umount /system /data /sdcard; exit 14;;
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3) echo "Error mounting sdcard read-write"; umount /system /data /sdcard; exit 15;;
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esac
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if [ -z "$3" ]
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then
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BACKUPNAME="`date +%Y-%m-%d-%H%M`"
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else
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BACKUPNAME=$3
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fi
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BASEDIR=/sdcard/nandroid
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if [ ! -z "$2" ]; then
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BASEDIR=$2
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fi
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DESTDIR=$BASEDIR/$BACKUPNAME
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if [ ! -d $DESTDIR ]; then
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mkdir -p $DESTDIR
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if [ ! -d $DESTDIR ]; then
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echo "error: cannot create $DESTDIR"
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umount /system 2>/dev/null
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umount /data 2>/dev/null
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umount /sdcard 2>/dev/null
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exit 16
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fi
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else
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touch $DESTDIR/.nandroidwritable
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if [ ! -e $DESTDIR/.nandroidwritable ]; then
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echo "error: cannot write to $DESTDIR"
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umount /system 2>/dev/null
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umount /data 2>/dev/null
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umount /sdcard 2>/dev/null
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exit 16
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fi
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rm $DESTDIR/.nandroidwritable
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fi
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# 3.
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echo "checking free space on sdcard"
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FREEBLOCKS="`df -k /sdcard| grep sdcard | awk '{ print $4 }'`"
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# we need about 130MB for the dump
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if [ $FREEBLOCKS -le 130000 ]; then
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echo "error: not enough free space available on sdcard (need 130mb), aborting."
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umount /system 2>/dev/null
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umount /data 2>/dev/null
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umount /sdcard 2>/dev/null
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exit 17
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fi
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if [ -e /dev/mtd/mtd6ro ]; then
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echo -n "Dumping splash1 from device over tcp to $DESTDIR/splash1.img..."
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dd if=/dev/mtd/mtd6ro of=$DESTDIR/splash1.img skip=19072 bs=2048 count=150 2>/dev/null
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echo "done"
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sleep 1s
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echo -n "Dumping splash2 from device over tcp to $DESTDIR/splash2.img..."
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dd if=/dev/mtd/mtd6ro of=$DESTDIR/splash2.img skip=19456 bs=2048 count=150 2>/dev/null
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echo "done"
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fi
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# 5.
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for image in boot recovery misc; do
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# 5a
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DEVICEMD5=`$dump_image $image - | md5sum | awk '{ print $1 }'`
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sleep 1s
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MD5RESULT=1
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# 5b
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echo -n "Dumping $image to $DESTDIR/$image.img..."
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ATTEMPT=0
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while [ $MD5RESULT -eq 1 ]; do
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let ATTEMPT=$ATTEMPT+1
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# 5b1
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$dump_image $image $DESTDIR/$image.img
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sync
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# 5b3
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echo "${DEVICEMD5} $DESTDIR/$image.img" | md5sum -c -s -
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if [ $? -eq 1 ]; then
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true
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else
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MD5RESULT=0
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fi
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if [ "$ATTEMPT" == "5" ]; then
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echo "fatal error while trying to dump $image, aborting"
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umount /system
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umount /data
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umount /sdcard
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exit 18
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fi
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done
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echo "done"
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done
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# 6
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for image in system data cache; do
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# 6a
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echo -n "Dumping $image to $DESTDIR/$image.img..."
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$mkyaffs2image /$image $DESTDIR/$image.img
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sync
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echo "done"
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done
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# 7.
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echo -n "generating md5sum file..."
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CWD=$PWD
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cd $DESTDIR
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md5sum *img > nandroid.md5
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cd $CWD
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echo "done"
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# 8.
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echo "unmounting system, data and sdcard"
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sync
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sleep 2s
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umount /system
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umount /data
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umount /sdcard
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# 9.
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echo "Backup successful."
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