#!/system/bin/sh

# MAD Team App2SD (Cyanogen 7)

# by subpsyke



swapfile="/system/etc/init.d/06swap"

LOG="/dev/null"



checkapp2sd() {

mount -t ext4 -o nodev,nosuid /dev/block/mmcblk0p2 /system/sd



if [ -f /system/sd/.app2sd_enabled ]; then

	result="app2sd"

else

	result="normal"

fi

}



checkspace() {

sdused=`du -c /system/sd/ | tail -n1 | awk ' { print $1 } '`

sdfree=`df /system/sd/ | tail -n1 | awk ' { print $4 } '`

phoneused=`du -c /data | tail -n1 | awk ' { print $1 } '`

phonefree=`df /data | tail -n1 | awk ' { print $4 } '`

}



convert_app2sd() {

mount -t ext4 -o nodev,nosuid /dev/block/stl13 /data

sleep 5

rm -r /data

sync

sleep 5

cp -a /system/sd/data /

sync

sleep 5

umount /dev/block/mmcblk0p2

mke2fs -t ext4 -O ^huge_file /dev/block/stl14

sleep 5

mke2fs -t ext4 -O ^huge_file /dev/block/mmcblk0p2

sleep 5

}



convert_normal() {

umount /dev/block/mmcblk0p2

mke2fs -O journal_dev /dev/block/stl14

sleep 5

mke2fs -t ext4 -O ^huge_file -J device=/dev/block/stl14 /dev/block/mmcblk0p2

sleep 5

mount -t ext4 -o nodev,nosuid /dev/block/mmcblk0p2 /system/sd

mount -t ext4 -o nodev,nosuid /dev/block/stl13 /data

sleep 5

cp -a /data /system/sd/

sync

sleep 5

rm -r /data

sync

sleep 5

touch /system/sd/.app2sd_enabled

}



mount_normal() {

mount -t ext4 -o nodev,nosuid /dev/block/stl13 /data

mount -t ext4 -o nodev,nosuid /dev/block/stl14 /cache

}



mount_app2sd() {

umount -a

mount -t ext4 -o nodev,nosuid /dev/block/stl14 /cache

if mount | grep /dev/block/stl14 | grep cache; then

	umount /dev/block/stl14

	mke2fs -O journal_dev /dev/block/stl14

	tune2fs -J device=/dev/block/stl14 /dev/block/mmcblk0p2

fi

mount -t ext4 -o nodev,nosuid /dev/block/mmcblk0p2 /system/sd

mkdir /system/sd/data

mount -o bind /system/sd/data /data

mount -t ext4 -o nodev,nosuid /dev/block/stl13 /cache

}



doboot() {

# Run checks

checkapp2sd



# Toggle App2SD

if [ -f /system/sd/.toggleapp2sd ]; then

	rm /system/sd/.toggleapp2sd

	stop

	convert_$result

	if [ "$result" = "normal" ]; then

		result="app2sd"

	else

		result="normal"

	fi

	sleep 5

	stop

	sync

	umount -a

	sync

	stop

	sleep 5

	reboot

fi



mount_$result

}



if [ "$1" = "" ]; then

	checkapp2sd

	checkspace

	echo ""

	echo "Usage: madteam_app2sd [option]"

	echo "Options:"

	echo ""

	echo " * toggle  - disable/enable App2SD"

	echo " * swapon  - enable swap"

	echo " * swapoff - disable swap"

	echo ""

	echo "MAD Team App2SD status:"

	echo ""

	if [ "$result" = "app2sd" ]; then

		echo "App2SD:       activated"

		echo "SD card used: $sdused""KB"

		echo "SD card free: $sdfree""KB"

	else

		echo "App2SD:       deactivated"

		echo "Phone used:   $phoneused""KB"

		echo "Phone free:   $phonefree""KB"

	fi

	echo "Swap size:   " `free | grep Swap | awk ' { print ($2) } '`"KB"

	echo ""

fi





mkdir /system/sd 1>>$LOG 2>>$LOG



if [ "$1" = "doboot" ]; then

	doboot

fi



if [ "$1" = "swapon" ]; then

	echo "#!/system/bin/sh" >$swapfile

	echo "swapon /dev/block/mmcblk0p3" >$swapfile

	chmod +x $swapfile

	$swapfile

	echo "Swap enabled! Setting will be kept on reboot."

fi



if [ "$1" = "swapoff" ]; then

	echo "#!/system/bin/sh" >$swapfile

	echo "swapon /dev/block/mmcblk0p3" >$swapfile

	chmod -x $swapfile

	swapoff /dev/block/mmcblk0p3

	echo "Swap disabled! Setting will be kept on reboot."

fi



if [ "$1" = "toggle" ]; then

	checkapp2sd

	checkspace

	if [ "$result" = "app2sd" ]; then

		echo "Current App2SD status: activated"

		echo ""

		echo "SD card used: $sdused""KB"

		echo "Phone free:   $phonefree""KB"

		echo ""

		if [ $(($sdused)) -gt $(($phonefree)) ]; then

			echo "Not enough space in phone memory to complete operation!"

			echo "Please free " $(($sdused-$phonefree)) "KB from SD card's App2SD partition to continue."

			echo "Aborting!"

		else

			echo "Please reboot your phone to deactivate App2SD."

			echo "Note: your phone will reboot twice. This is normal."

			touch /system/sd/.toggleapp2sd

		fi

	fi

	if [ "$result" = "normal" ]; then

		echo "Current App2SD status: deactivated"

		echo ""

		echo "Phone used:   $phoneused""KB"

		echo "SD card free: $sdfree""KB"

		echo ""

		if [ $(($phoneused)) -gt $(($sdfree)) ]; then

			echo "Not enough space on SD card partition to complete operation!"

			echo "Please free " $(($phoneused-$sdfree)) "KB from Phone to continue."

			echo "Aborting!"

		else

			echo "Please reboot your phone to activate App2SD."

			echo "Note: your phone will reboot twice. This is normal."

			touch /system/sd/.toggleapp2sd

		fi

	fi

fi