echo "*Started"

### SETTINGS
#Your /system folder, it may change
psys=/system
#Your bin folder
pbin=/system/bin
#Old tclkit version
tclold=tclkit861
#New tclkit version
tclnew=tclkit863

### DO NOT EDIT BELOW

#/system folder check
if ! [ -d "$psys" ]; then
	echo "$psys not found"
	echo "Please check for your /system folder path"
	return
fi

#/system/bin folder check
if ! [ -d "$pbin" ]; then
	echo "$pbin not found"
	echo "Please check for your /system/bin folder path"
	return
fi

#mount
#/dev/block/mtdblock2 /system yaffs2 ro 0 0
ln=$(mount | grep "$psys")

#/dev/block/mtdblock2
ptin=$(echo $ln | cut -d " " -f1)

#/system
ptout=$(echo $ln | cut -d " " -f2)

#yaffs2
fs=$(echo $ln | cut -d " " -f3)

echo "*Mountig_System_RW"
mount -oremount,rw -t "$fs" "$ptin" "$ptout"

if [ -f "$pbin/$tclold"]; then
echo "*BackingUp_Old"
cp "$pbin/$tclold" "$tclold"

echo "*Removing_Old"
rm "$pbin/$tclold"
fi

echo "*Installing_New"
cp "$tclnew" "$pbin/$tclnew"

echo "*chmod_555_New"
chmod 555 "$pbin/$tclnew"

echo "*Mountig_System_RO"
mount -oremount,ro -t "$fs" "$ptin" "$ptout"

echo "*Ended"