#!/sbin/sh

interface="/proc/$$/fd/$2"

ui_print() {
  echo -n -e "ui_print $1\n" > $interface
  echo -n -e "ui_print\n" > $interface
}

getprop(){
bp=/system/build.prop
if [ -f "$bp" ]; then
grep "$1" $bp | sed 's/.*=//'
else
echo "System not installed!"
fi
}

setprop(){
bp=/system/build.prop
if [ -f "$bp" ]; then
    par=$(echo -n $1 | sed -r 's/=.+//')
    if grep -q "$par" $bp; then
        sed -i "s/$par=.*/$1/g" $bp
    else
        echo "$1" >> $bp
    fi
else
echo "System not installed!"
exit
fi
}

ui_print "Start script"
ui_print "mount system"
mount system
ui_print "Backup build.prop"
rm -f /system/build.prop.bak
cp /system/build.prop /system/build.prop.bak
setprop ro.sf.lcd_density=480
setprop ro.mtk_lte_support=1
ui_print "umount system"
umount system
ui_print "done"
