/
updater.sh
executable file
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/
updater.sh
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#!/tmp/busybox sh
#
# Universal Updater Script for Samsung Galaxy S Phones
# (c) 2011 by Teamhacksung
# Previously combined GSM & CDMA version, Adapted for YP-G1 (Samsung Galaxy Player/S Wifi 4.0)
#
SYSTEM_SIZE='629145600' # 600M
check_mount() {
local MOUNT_POINT=`/tmp/busybox readlink $1`
if ! /tmp/busybox test -n "$MOUNT_POINT" ; then
# readlink does not work on older recoveries for some reason
# doesn't matter since the path is already correct in that case
/tmp/busybox echo "Using non-readlink mount point $1"
MOUNT_POINT=$1
fi
if ! /tmp/busybox grep -q $MOUNT_POINT /proc/mounts ; then
/tmp/busybox mkdir -p $MOUNT_POINT
/tmp/busybox umount -l $2
if ! /tmp/busybox mount -t $3 $2 $MOUNT_POINT ; then
/tmp/busybox echo "Cannot mount $1 ($MOUNT_POINT)."
exit 1
fi
fi
}
set_log() {
rm -rf $1
exec >> $1 2>&1
}
warn_repartition() {
if ! /tmp/busybox test -e /.accept_wipe ; then
/tmp/busybox touch /.accept_wipe
ui_print
ui_print "============================================"
ui_print "This ROM uses an incompatible partition layout"
ui_print "Your /data will be wiped upon installation"
ui_print "Run this update.zip again to confirm install"
ui_print "============================================"
ui_print
exit 9
fi
/tmp/busybox rm /.accept_wipe
}
format_partitions() {
/lvm/sbin/lvm lvcreate -L ${SYSTEM_SIZE}B -n system lvpool
/lvm/sbin/lvm lvcreate -l 100%FREE -n userdata lvpool
# format data (/system will be formatted by updater-script)
/tmp/make_ext4fs -b 4096 -g 32768 -i 8192 -I 256 -l -16384 -a /data /dev/lvpool/userdata
# unmount and format datadata
/tmp/busybox umount -l /datadata
/tmp/erase_image datadata
}
fix_package_location() {
local PACKAGE_LOCATION=$1
# Remove leading /mnt for Samsung recovery
PACKAGE_LOCATION=${PACKAGE_LOCATION#/mnt}
# Convert to modern sdcard path
PACKAGE_LOCATION=`echo $PACKAGE_LOCATION | /tmp/busybox sed -e "s|^/sdcard|/storage/sdcard0|"`
PACKAGE_LOCATION=`echo $PACKAGE_LOCATION | /tmp/busybox sed -e "s|^/emmc|/storage/sdcard1|"`
echo $PACKAGE_LOCATION
}
# ui_print by Chainfire
OUTFD=$(/tmp/busybox ps | /tmp/busybox grep -v "grep" | /tmp/busybox grep -o -E "update_binary(.*)" | /tmp/busybox cut -d " " -f 3);
ui_print() {
if [ $OUTFD != "" ]; then
echo "ui_print ${1} " 1>&$OUTFD;
echo "ui_print " 1>&$OUTFD;
else
echo "${1}";
fi;
}
set -x
export PATH=/:/sbin:/system/xbin:/system/bin:/tmp:$PATH
# Defining the paths and size
SD_PART='/dev/block/mmcblk0p1'
MMC_PART='/dev/block/mmcblk0p2'
MTD_SIZE='442499072'
# check for old/non-cwm recovery.
if ! /tmp/busybox test -n "$UPDATE_PACKAGE" ; then
# scrape package location from /tmp/recovery.log
UPDATE_PACKAGE=`/tmp/busybox cat /tmp/recovery.log | /tmp/busybox grep 'Update location:' | /tmp/busybox tail -n 1 | /tmp/busybox cut -d ' ' -f 3-`
fi
# check if we're running on a bml, mtd (old) or mtd (current) device
if /tmp/busybox test -e /dev/block/bml7 ; then
# we're running on a bml device
# make sure sdcard is mounted
check_mount /mnt/sdcard $SD_PART vfat
# everything is logged into /mnt/sdcard/cyanogenmod_bml.log
set_log /mnt/sdcard/cyanogenmod_bml.log
# make sure efs is mounted
check_mount /efs /dev/block/stl3 rfs
# create a backup of efs
if /tmp/busybox test -e /mnt/sdcard/backup/efs ; then
/tmp/busybox mv /mnt/sdcard/backup/efs /mnt/sdcard/backup/efs-$$
fi
/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
/tmp/busybox echo `fix_package_location $UPDATE_PACKAGE` > /mnt/sdcard/cyanogenmod.cfg
fi
# Scorch any ROM Manager settings to require the user to reflash recovery
/tmp/busybox rm -f /mnt/sdcard/clockworkmod/.settings
# write decoy recovery to recovery partition
/tmp/flash_image recovery /tmp/recovery.bin
if [ "$?" != "0" ] ; then
exit 8
fi
/tmp/busybox sync
# write new kernel to boot partition
/tmp/flash_image boot /tmp/boot.img
if [ "$?" != "0" ] ; then
exit 3
fi
/tmp/busybox sync
/tmp/busybox reboot now
exit 0
elif /tmp/busybox test `/tmp/busybox cat /sys/class/mtd/mtd2/name` != "datadata" ; then
# we're running on a mtd (old) device
# make sure sdcard is mounted
check_mount /sdcard $SD_PART vfat
# everything is logged into /sdcard/cyanogenmod_mtd_old.log
set_log /sdcard/cyanogenmod_mtd_old.log
warn_repartition
# write the package path to sdcard cyanogenmod.cfg
if /tmp/busybox test -n "$UPDATE_PACKAGE" ; then
/tmp/busybox echo `fix_package_location $UPDATE_PACKAGE` > /sdcard/cyanogenmod.cfg
fi
# inform the script that this is an old mtd upgrade
/tmp/busybox echo 1 > /sdcard/cyanogenmod.mtdupd
# clear datadata
/tmp/busybox umount -l /datadata
/tmp/erase_image datadata
# write new kernel to boot partition
/tmp/bml_over_mtd.sh boot 72 reservoir 2004 /tmp/boot.img
# Remove /system/build.prop to trigger emergency boot
/tmp/busybox mount /system
/tmp/busybox rm -f /system/build.prop
/tmp/busybox umount -l /system
/tmp/busybox sync
/tmp/busybox reboot now
exit 0
elif /tmp/busybox test -e /dev/block/mtdblock0 ; then
# we're running on a mtd (current) device
# make sure sdcard is mounted
check_mount /sdcard $SD_PART vfat
# everything is logged into /sdcard/cyanogenmod.log
set_log /sdcard/cyanogenmod_mtd.log
# unmount system and data (recovery seems to expect system to be unmounted)
/tmp/busybox umount -l /system
/tmp/busybox umount -l /data
# Resize partitions
# (For first install, this will get skipped because device doesn't exist)
if /tmp/busybox test `/tmp/busybox blockdev --getsize64 /dev/mapper/lvpool-system` -lt $SYSTEM_SIZE ; then
warn_repartition
/lvm/sbin/lvm lvremove -f lvpool
format_partitions
fi
if ! /tmp/busybox test -e /sdcard/cyanogenmod.cfg ; then
# update install - flash boot image then skip back to updater-script
# (boot image is already flashed for first time install or old mtd upgrade)
# flash boot image
/tmp/bml_over_mtd.sh boot 72 reservoir 2004 /tmp/boot.img
# flash recovery kernel
/tmp/bml_over_mtd.sh recovery 102 reservoir 2004 /tmp/recovery.bin
exit 0
fi
# if a cyanogenmod.cfg exists, then this is a first time install
# let's format the volumes and restore efs
# remove the cyanogenmod.cfg to prevent this from looping
/tmp/busybox rm -f /sdcard/cyanogenmod.cfg
# setup lvm volumes
/lvm/sbin/lvm pvcreate $MMC_PART
/lvm/sbin/lvm vgcreate lvpool $MMC_PART
format_partitions
# restart into recovery so the user can install further packages before booting
/tmp/busybox touch /cache/.startrecovery
if /tmp/busybox test -e /sdcard/cyanogenmod.mtdupd ; then
# this is an upgrade with changed MTD mapping for /data, /cache, /system
# so return to updater-script after formatting them
/tmp/busybox rm -f /sdcard/cyanogenmod.mtdupd
exit 0
fi
# restore efs backup
if /tmp/busybox test -e /sdcard/backup/efs/serial.info ; 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 6
fi
fi
/tmp/busybox cp -R /sdcard/backup/efs /
/tmp/busybox umount -l /efs
else
/tmp/busybox echo "Cannot restore efs."
exit 7
fi
exit 0
fi