#!/bin/sh
# (c) copyright 2010 by Thomas Tanner <tanner@gmx.de>

mountpoints="cdrom dev floppy home initrd media mnt nand proc sys syspart tmp"

test "$#" -eq 0 && echo "$0 destination [source]" && exit 1
dest="$1" # rootfs destination (absolute path or device)
#dest=`pwd`

rawdest=no
case $dest in 
/dev/mmcblk[01]p?)
    rawdest=yes
	echo destination is partition
    test -d /media/moebian && (echo cannot create mountdir; exit 1)
    mkdir -p /media/moebian
    mount $dest /media/moebian
    dest=/media/moebian
	;;
esac

cd "$dest"
# create toplevel dirs and nand mount point
mountpoints="cdrom floppy home initrd media mnt nand proc srv sys syspart tmp"
content="usr"
copydirs="bin boot etc dev lib sbin root var"

rm -rf $mountpoints $copydirs $content

if test $dest = /home && test -L /opt; then
    if test -d opt.nand; then
	rm -rf opt
        mv opt.nand opt
        ln -sf $dest/opt /opt
        echo "/home/opt.nand moved to /home/opt and symlink updated"
    else
        echo "opt for NAND does not exist"
    fi
fi

rm /etc/bootmenu.d/moebian.item

df -h $dest

if test $rawdest = yes; then
    echo removing temporary mount point
    umount $dest && rm -rf $dest
fi

exit 0