check_space

#!/bin/sh

overlay=$1

overlay_space=$(df $overlay | sed -n 2p | awk \{'{print $5}'\} | sed 's/%//')

if [ $overlay_space -gt 95 ]; then
    echo "$overlay too big, skipping pivot"
    exit 1
fi

random_seed

#!/bin/sh
. /rom/usr/sbin/random_seed

mount_root() {
        if [ -x /usr/sbin/mount_root-mod ]; then
                /usr/sbin/mount_root-mod
        else
                echo "****************************************************"
                echo "* NO mount_root-mod program found                  *"
                echo "* can not mount the modroot filesystem             *"
                echo "****************************************************"
        fi
}

do_mount_root() {
        mount_root
         [ -f /modupgrade.tgz ] && {
                echo "- mod config restore -"
                cd /
                tar xzf /modupgrade.tgz
        }
}

[ -d /modoverlay ] || do_mount_root

transfer_overlay

#!/bin/sh

upperdir=$1
overlay_bank=/overlay/bank_2


#copy_base_file
preserve_base_file() { # <source> <dest>
    local source=$1
    local dest=$2

    mkdir -p $dest/etc/init.d/ $dest/etc/rc.d/ $dest/usr/bin/ $dest/lib/upgrade/ $dest/sbin/ $dest/lib

    cp -a $source/lib/upgrade/platform.sh $dest/lib/upgrade/
    cp -a $source/sbin/sysupgrade $dest/sbin/
    cp -a $source/usr/bin/rtfd $dest/usr/bin/
    cp -a $source/usr/bin/sysupgrade-safe $dest/usr/bin/

    cp -a $source/etc/init.d/rootdevice $dest/etc/init.d/
    cp -a $source/etc/rc.d/S94rootdevice $dest/etc/rc.d/

    cp -a $source/usr/sbin/random_seed $dest/usr/sbin/
    cp -a $source/usr/sbin/mount_root-mod $dest/usr/sbin/
    cp -a $source/lib/mount_modroot $dest/lib/
}

[ ! -d $overlay_bank/www ] && return

mv -f $overlay_bank/* $upperdir/

# Copy needed files
preserve_base_file $upperdir $overlay_bank