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path: root/hooks/archiso
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# vim: set ft=sh:
run_hook ()
{
    if [ "x${ramdisk_size}" = "x" ]; then
        ramdisk_size="75%"
    fi
    msg -n ":: Mounting tmpfs, size=${ramdisk_size}..."
	mount -t tmpfs -o "size=${ramdisk_size}" tmpfs /tmpfs
    msg "done."

    if [ "x${BOOT_MOUNT}" -eq "x" ]; then
        echo "ERROR: BOOT_MOUNT is not set. The boot-cd or boot-usb hook MUST"
        echo "       be run before this one.  This image was improperly built"
        exit 1
    fi

    squashimg="${BOOT_MOUNT}/archlive.sqfs"

    msg ":: Mounting squashfs image"
    /bin/modprobe -q squashfs >/dev/null 2>&1
    /bin/mkdir -p /tmpfs/squashfs_root
    if ! /bin/losetup /dev/loop0 "${squashimg}" >/dev/null 2>&1; then
        echo "ERROR: Cannot mount loop device /dev/loop0...aborting"
        exit 1
    fi

    /bin/mount -r -t squashfs /dev/loop0 /tmpfs/squashfs_root

    msg ":: Mounting root (union) filesystem"
    /bin/modprobe -q unionfs >/dev/null 2>&1
    /bin/mount -t unionfs -o dirs=/tmpfs=rw:/tmpfs/squashfs_root=ro none /real_root

    if [ -d /proc/sys/dev/cdrom ]; then
        echo 0 > /proc/sys/dev/cdrom/lock
        echo 1 > /proc/sys/dev/cdrom/autoeject
    fi

    udevpid=$(/bin/minips -C udevd -o pid=)
    [ "x${udevpid}" != "x" ] && /bin/kill -9 $udevpid 2>&1 >/dev/null
    #Yep, we're bailing out here.  We don't need kinit.
    msg ":: Passing control to Archlinux Initscripts...Please Wait"
    /bin/umount /sys
    /bin/umount /proc
    /bin/umount /dev
    exec /bin/run-init -c /dev/console /real_root /sbin/init ${CMDLINE}
}