# RPI specific live script          -*- shell-script -*-

if [ -e /scripts/functions ]
then
    . /scripts/functions
fi

mountroot()
{
    modprobe loop
    modprobe aufs
    wait_for_udev 10
    mntpts=""
    aufs=""
    i=0
    mkdir -p /live-media
    mkdir -p /live-loop
    mount -t vfat /dev/mmcblk0p1 /live-media

    for f in /live-media/live/*.squashfs; do
        losetup /dev/loop${i} ${f}
        mkdir /live-loop/ro${i}
        mount -t squashfs -o loop,ro /dev/loop${i} /live-loop/ro${i}
        aufs="${aufs}:/live-loop/ro${i}=ro"
        mntpts="${mntpts} /live-loop/ro${i}"
        i=$(( ${i} + 1 ))
    done

    mkdir /live-loop/cow
    mntpts="${mntpts} /live-loop/cow"
    if [ -e /live-media/live/rpi-live ]; then
        mount -o loop /live-media/live/rpi-live /live-loop/cow
    else
        mount -t tmpfs tmpfs /live-loop/cow
    fi
    aufs="noatime,noxino,dirs=/live-loop/cow=rw${aufs}"
    mount -t aufs -o ${aufs} aufs ${rootmnt}
    sleep 1

    for mntpt in ${mntpts}
    do
        local newmount
        newmount="${rootmnt}/lib/live/mount/${mntpt#/live/}"
        mkdir -p "${newmount}"
        mount -o move "${mntpt}" "${newmount}" > /dev/null 2>&1 || \
        mount -o bind "${mntpt}" "${newmount}" > /dev/null
    done
}