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|
#!/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:$PATH
# check if we're running on a bml or mtd device
if /tmp/busybox test -e /dev/block/bml7 ; then
# we're running on a bml device
# make sure sdcard is mounted
if ! /tmp/busybox grep -q /mnt/sdcard /proc/mounts ; then
/tmp/busybox mkdir -p /mnt/sdcard
/tmp/busybox umount -l /dev/block/mmcblk0p1
if ! /tmp/busybox mount -t vfat /dev/block/mmcblk0p1 /mnt/sdcard ; then
/tmp/busybox echo "Cannot mount sdcard."
exit 1
fi
fi
# remove old log
rm -rf /mnt/sdcard/cyanogenmod_bml.log
# everything is logged into /sdcard/cyanogenmod.log
exec >> /mnt/sdcard/cyanogenmod_bml.log 2>&1
# make sure efs is mounted
if ! /tmp/busybox grep -q /efs /proc/mounts ; then
/tmp/busybox mkdir -p /efs
/tmp/busybox umount -l /dev/block/stl3
if ! /tmp/busybox mount -t rfs /dev/block/stl3 /efs ; then
/tmp/busybox echo "Cannot mount efs."
exit 1
fi
fi
# create a backup of efs
/tmp/busybox rm -rf /mnt/sdcard/backup/efs
/tmp/busybox mkdir -p /mnt/sdcard/backup/efs
/tmp/busybox cp -R /efs/ /mnt/sdcard/backup
# write the package path to sdcard cyanogenmod.cfg
if /tmp/busybox test -n "$UPDATE_PACKAGE" ; then
PACKAGE_LOCATION=${UPDATE_PACKAGE#/mnt}
/tmp/busybox echo "$PACKAGE_LOCATION" > /mnt/sdcard/cyanogenmod.cfg
fi
# write new kernel to boot partition
/tmp/flash_image boot /tmp/boot.img
# reboot to interrupt the updater-script and load the mtd kernel
# update.zip will be automatically recalled using extendedcommands
reboot now
# make sure to interrupt the updater-script if reboot fails
exit 1
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
# if cyanogenmod.cfg exists, we need to do the conversion
if /tmp/busybox test -e /sdcard/cyanogenmod.cfg ; then
# remove old log
rm -rf /sdcard/cyanogenmod_mtd.log
# everything is logged into /sdcard/cyanogenmod.log
exec >> /sdcard/cyanogenmod_mtd.log 2>&1
# 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."
exit 1
fi
# we've finished conversion, remove cyanogenmod.cfg
/tmp/busybox rm -f /sdcard/cyanogenmod.cfg
fi
exit 0
fi
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