function build_modules_chroot() {
    current_process

    if [ $LIVE_TYPE = "casper" ]; then
        #return 0

        chroot_mount_fs

        cd $SCRIPT_DIR/linux-live/modules

        for MODULE in *; do
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall $BUILDDIR/preinstall
                chmod +x $BUILDDIR/preinstall
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /preinstall >>$OUTPUT 2>&1
            fi

            # copy files
            if [ "$(ls -A $SCRIPT_DIR/linux-live/modules/$MODULE/rootcopy)" != "" ]; then
                (cd $SCRIPT_DIR/linux-live/modules/$MODULE/rootcopy && cp --parents -afr * $BUILDDIR/)
            fi

            # run install script
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/install ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/install $BUILDDIR/install
                chmod +x $BUILDDIR/install
                if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/package.list ]; then
                    cp $SCRIPT_DIR/linux-live/modules/$MODULE/package.list $BUILDDIR/package.list
                fi
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /install >>$OUTPUT 2>&1
            fi

            # run post-install script
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall $BUILDDIR/postinstall
                chmod +x $BUILDDIR/postinstall
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /postinstall >>$OUTPUT 2>&1
            fi

            chroot_finish_up

            chroot_umount_fs
        done
    fi

    if [ $CONTAINER_TYPE = "1" ]; then
        if [ ! -f /.minios-live ]; then
            setup_host
        fi
    fi

    MODULES_DIR=$PARENT_DIR/modules

    cd $SCRIPT_DIR/linux-live/modules

    for MODULE in *; do
        if (ls $PARENT_DIR/image/$LIVEKITNAME/*.$BEXT | grep -q $MODULE 2>/dev/null); then
            echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${ENDCOLOUR}"
            echo -e "Please remove ${MAGENTA}$PARENT_DIR/image/$LIVEKITNAME/$MODULE.$BEXT${ENDCOLOUR} if you want to build ${MAGENTA}$MODULE${ENDCOLOUR}."
            echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${ENDCOLOUR}"
        else
            MODULE_UPPER_DIR="$MODULES_DIR/$MODULE-upper"
            MODULE_WORK_DIR="$MODULES_DIR/$MODULE-work"
            MODULE_MERGED_DIR="$MODULES_DIR/$MODULE-merged"

            module_check_build_dir

            module_chroot_mount_fs

            # run pre-install script
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/preinstall $BUILDDIR/preinstall
                chmod +x $BUILDDIR/preinstall
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /preinstall >>$OUTPUT 2>&1
            fi

            : '# install packages
			if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/package.list ]; then
				if [ -d /opt/minios-live ] || [ -f /.minios-live-container ]; then
					chroot $BUILDDIR /usr/bin/env \
						OUTPUT=$OUTPUT \
						LOGPATH=$LOGPATH \
						BUILD_TEST_ISO=$BUILD_TEST_ISO \
						CREATE_BACKUP=$CREATE_BACKUP \
						DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
						APT_CMD=$APT_CMD \
						APT_OPTIONS=$APT_OPTIONS \
						LIVE_TYPE=$LIVE_TYPE \
						sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
						$APT_CMD update >>$OUTPUT 2>&1 &&
						chroot $BUILDDIR /usr/bin/env \
							OUTPUT=$OUTPUT \
							LOGPATH=$LOGPATH \
							BUILD_TEST_ISO=$BUILD_TEST_ISO \
							CREATE_BACKUP=$CREATE_BACKUP \
							DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
							APT_CMD=$APT_CMD \
							APT_OPTIONS=$APT_OPTIONS \
							LIVE_TYPE=$LIVE_TYPE \
							sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
							$APT_CMD install $APT_OPTIONS \
							$(grep -vE "^\s*#" $SCRIPT_DIR/linux-live/modules/$MODULE/package.list | tr "\n" " ") >>$OUTPUT 2>&1
				else
					chroot $BUILDDIR sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
						$APT_CMD update >>$OUTPUT 2>&1 &&
						chroot $BUILDDIR sudo DEBIAN_FRONTEND=$DEBIAN_FRONTEND_TYPE \
							$APT_CMD install $APT_OPTIONS \
							$(grep -vE "^\s*#" $SCRIPT_DIR/linux-live/modules/$MODULE/package.list | tr "\n" " ") >>$OUTPUT 2>&1
				fi
			fi'

            # copy files
            if [ "$(ls -A $SCRIPT_DIR/linux-live/modules/$MODULE/rootcopy)" != "" ]; then
                (cd $SCRIPT_DIR/linux-live/modules/$MODULE/rootcopy && cp --parents -afr * $BUILDDIR/)
            fi

            # run install script
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/install ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/install $BUILDDIR/install
                chmod +x $BUILDDIR/install
                if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/package.list ]; then
                    cp $SCRIPT_DIR/linux-live/modules/$MODULE/package.list $BUILDDIR/package.list
                fi
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /install >>$OUTPUT 2>&1
            fi

            # run post-install script
            if [ -f $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall ]; then
                cp $SCRIPT_DIR/linux-live/modules/$MODULE/postinstall $BUILDDIR/postinstall
                chmod +x $BUILDDIR/postinstall
                chroot $BUILDDIR /usr/bin/env \
                    OUTPUT=$OUTPUT \
                    LOGPATH=$LOGPATH \
                    BUILD_TEST_ISO=$BUILD_TEST_ISO \
                    CREATE_BACKUP=$CREATE_BACKUP \
                    DEBIAN_FRONTEND_TYPE=$DEBIAN_FRONTEND_TYPE \
                    APT_CMD=$APT_CMD \
                    APT_OPTIONS=$APT_OPTIONS \
                    LIVE_TYPE=$LIVE_TYPE \
                    /postinstall >>$OUTPUT 2>&1
            fi

            module_chroot_finish_up

            module_chroot_umount_fs

            if [ ! -f $PARENT_DIR/image/$LIVEKITNAME/$MODULE.$BEXT ]; then
                build_modules_live
            fi

        fi
    done
}

function build_modules_live() {
    current_process

    if [ $LIVE_TYPE = "casper" ]; then
        return 0
    fi

    if [ $CONTAINER_TYPE = "1" ]; then
        if [ ! -f /.minios-live ]; then
            setup_host
        fi
    fi

    MODULES_DIR=$PARENT_DIR/modules

    cd $SCRIPT_DIR/linux-live/modules

    for MODULE in *; do

        if (ls $PARENT_DIR/image/$LIVEKITNAME/*.$BEXT | grep -q $MODULE 2>/dev/null); then
            echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${ENDCOLOUR}"
            echo -e "Please remove ${MAGENTA}$PARENT_DIR/image/$LIVEKITNAME/$MODULE.$BEXT${ENDCOLOUR} if you want to build ${MAGENTA}$MODULE${ENDCOLOUR}."
            echo -e "${RED}!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!${ENDCOLOUR}"
        else

            MODULE_UPPER_DIR="$MODULES_DIR/$MODULE-upper"
            MODULE_WORK_DIR="$MODULES_DIR/$MODULE-work"
            MODULE_MERGED_DIR="$MODULES_DIR/$MODULE-merged"

            if [ "$(ls -A $MODULE_UPPER_DIR)" != "" ]; then

                # create compressed 01-core.sb
                : 'cd $MODULE_UPPER_DIR
				COREFS=""
				for i in $MKMOD; do
					if [ -d /$i ]; then
						COREFS="$COREFS $i"
					fi
				done
				mksquashfs $COREFS $PARENT_DIR/image/$LIVEKITNAME/$MODULE.$BEXT -comp $COMP_TYPE -b 1024K -always-use-fragments -keep-as-directory -noappend || exit'

                mksquashfs $MODULE_UPPER_DIR $PARENT_DIR/image/$LIVEKITNAME/$MODULE-$COMP_TYPE.$BEXT -comp $COMP_TYPE -b 1024K -always-use-fragments -noappend || exit
            else
                echo -e "${MAGENTA}$BUILD_DIR${ENDCOLOUR} is empty. Nothing to do."
            fi
        fi
    done
}