!/tmp/busybox sh
#
# Universal Updater Script for Samsung Galaxy S Phones
# (c) 2011 by Teamhacksung
#

set -x
export PATH=/:/sbin:/system/xbin:/system/bin:/tmp:$PATH


# check if we're running on a bml or mtd device
if /tmp/busybox test -e /dev/block/bml7 ; then
# we're running on a bml device

        # make sure sdcard is mounted
        if ! /tmp/busybox grep -q /mnt/sdcard /proc/mounts ; then
                /tmp/busybox mkdir -p /mnt/sdcard
                /tmp/busybox umount -l /dev/block/mmcblk0p1
                if ! /tmp/busybox mount -t vfat /dev/block/mmcblk0p1 /mnt/sdcard ; then
                        /tmp/busybox echo "Cannot mount sdcard."
                exit 1
                fi
        fi

        # remove old log
        rm -rf /mnt/sdcard/cyanogenmod_bml.log

        # everything is logged into /sdcard/cyanogenmod.log
        exec >> /mnt/sdcard/cyanogenmod_bml.log 2>&1

        # make sure efs is mounted
        if ! /tmp/busybox grep -q /efs /proc/mounts ; then
                /tmp/busybox mkdir -p /efs
                /tmp/busybox umount -l /dev/block/stl3
                if ! /tmp/busybox mount -t rfs /dev/block/stl3 /efs ; then
                        /tmp/busybox echo "Cannot mount efs."
                exit 1
                fi
        fi

        # create a backup of efs
        /tmp/busybox rm -rf /sdcard/backup/efs
        /tmp/busybox mkdir -p /sdcard/backup/efs
        /tmp/busybox cp -R /efs/ /sdcard/backup

        # write new kernel to boot partition
        /tmp/bmlwrite /tmp/boot.img /dev/block/bml7
        exit 0

elif busybox test -e /dev/block/mtdblock0 ; then
# we're running on a mtd device

        # make sure sdcard is mounted
        /tmp/busybox mkdir -p /sdcard

        if ! /tmp/busybox grep -q /sdcard /proc/mounts ; then
                /tmp/busybox umount -l /dev/block/mmcblk0p1
                if ! /tmp/busybox mount -t vfat /dev/block/mmcblk0p1 /sdcard ; then
                        /tmp/busybox echo "Cannot mount sdcard."
                exit 1
                fi
        fi

        # remove old log
        rm -rf /sdcard/cyanogenmod_mtd.log

        # everything is logged into /sdcard/cyanogenmod.log
        exec >> /sdcard/cyanogenmod_mtd.log 2>&1

        # unmount, format and mount system
        /tmp/busybox umount -l /system
        /tmp/erase_image system
        /tmp/busybox mount -t yaffs2 /dev/block/mtdblock2 /system

        # extract system
        /tmp/busybox unzip -oq /tmp/system.zip -d /

        # unmount and format cache
        /tmp/busybox umount -l /cache
        /tmp/erase_image cache

        # unmount and format datadata
        /tmp/busybox umount -l /datadata
        /tmp/erase_image datadata

        # flash radio image
        /tmp/erase_image radio
        /tmp/flash_image radio /tmp/modem.bin
        # restore efs backup
        if /tmp/busybox test -e /sdcard/backup/efs/nv_data.bin ; then
                /tmp/busybox umount -l /efs
                /tmp/erase_image efs
                /tmp/busybox mkdir -p /efs

                if ! /tmp/busybox grep -q /efs /proc/mounts ; then
                        if ! /tmp/busybox mount -t yaffs2 /dev/block/mtdblock4 /efs ; then
                                /tmp/busybox echo "Cannot mount efs."
                                exit 1
                        fi
		fi

                /tmp/busybox cp -R /sdcard/backup/efs /
		/tmp/busybox umount -l /efs
	else
                /tmp/busybox echo "Cannot restore efs."
        fi

	# flash boot image
        /tmp/bml_over_mtd.sh boot 72 reservoir 2004 /tmp/boot.img

        exit 0
fi