#!/bin/busybox sh

MOUNTDIR=/boot
# expect to be run from /boot, where the boot partition is mounted (readonly)

# create swap
mkswap /dev/mmcblk0p3 | tee -a ${LOG}
swapon /dev/mmcblk0p3 | tee -a ${LOG}

LOG=/dev/null

# high brightness
echo '10' > /sys/devices/platform/backlight/backlight/backlight/brightness

#echo -e "\e[?3c"
echo -e "\e[32m" # green

echo "firstboot script running..." | tee -a ${LOG}
echo

BASEDIR="${MOUNTDIR}"

# action time

# copy over the config files
echo "Copying default configuration files into place..." | tee -a ${LOG}
mount -t vfat -o rw,sync,utf8 /dev/mmcblk0p4 /mnt | tee -a ${LOG}
if test -r "${BASEDIR}/configs/manifest"; then
    cat "${BASEDIR}/configs/manifest" | while read -r LINE; do
        if test "${LINE}" == "${LINE#!}" -a "${LINE}" != "" ; then
            set -- ${LINE}
            # 1               2
            # source_filename target_filename/inside main/
            if test -r "${BASEDIR}/configs/$1"; then
                TO="$2"
                if test "${TO}" == ""; then
                    TO="$1"
                fi
                echo "Copying $1 to /mnt/$TO..." | tee -a ${LOG}
                cp -f "${BASEDIR}/configs/$1" "/mnt/$TO" | tee -a ${LOG}
            fi
        fi
    done
fi

echo

# run a custom script if present - could be used to fix u-boot and such
if test -r "${BASEDIR}/firstboot.custom.sh"; then
    echo "Running a specific firstboot script..." | tee -a ${LOG}
    (cd "${BASEDIR}" && sh firstboot.custom.sh) | tee -a ${LOG}
    echo "Finished running a specific firstboot script." | tee -a ${LOG}
fi


echo

# resize the main partition if requested
if test -e "${MOUNTDIR}/resize"; then
    echo "Going to resize the MAIN partition." | tee -a ${LOG}
    echo "This can take A LONG TIME, so be patient." | tee -a ${LOG}
    umount /dev/mmcblk0p4 | tee -a ${LOG}
    fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
    fatresize_hc | tee -a ${LOG}
    fsck.fat -y /dev/mmcblk0p4 | tee -a ${LOG}
    echo -n -e \\xEB\\x58\\x90 > /dev/mmcblk0p4
    sync
    mount -t vfat -o rw,sync,utf8 /dev/mmcblk0p4 /mnt | tee -a ${LOG}
fi

# do some more stuff here ??


mount -o remount,rw "${MOUNTDIR}" | tee -a ${LOG}
# disable this script
echo "Disabling the firstboot script." | tee -a ${LOG}
mv "${MOUNTDIR}/firstboot" "${MOUNTDIR}/firstboot.done" | tee -a ${LOG}
if test -e "${MOUNTDIR}/resize"; then rm "${MOUNTDIR}/resize"; fi
mount -o remount,ro "${MOUNTDIR}" | tee -a ${LOG}

echo

sync
echo "firstboot script finished." | tee -a ${LOG}

echo

#REBOOT device if firstboot.custom script detected - for e.g. u-boot
if test -r "${BASEDIR}/firstboot.custom.sh"; then
echo "please wait a few seconds for shutdown...." | tee -a ${LOG}
umount /dev/mmcblk0p4 | tee -a ${LOG}
#umount /dev/mmcblk0p1 | tee -a ${LOG} # this fails
sleep 3
reboot
fi