#!/bin/sh
#
# Archfs - entirely copied from part of the Tazusb utility supplied with
# SLiTaz GNU Linux - with some cosmetic changes.
#
#
### Tazusb - SliTaz LiveUSB
###
### Tazusb is an utility to generate, configure and manipulate SliTaz LiveUSB
### bootable media and/or USB /home partition, such as flash keys, SD card or
### USB harddisk.
###
### Authors : Christophe Lincoln (Pankso) <pankso@slitaz.org>
###           Andrew Miller (Spode) <spode@spodesabode.com>
#

        # Writefs to rootfs.gz
        if [ -z $1 ]; then
            COMPRESSION=none
        else
            COMPRESSION=$1
        fi
        # Start info
        echo ""
        echo -e "\033[1mWrite filesystem\033[0m
===============================================================================
The command archfs will write all the current filesystem into a suitable cpio
archive.

Archive compression: $COMPRESSION"
        echo ""
# Create list of files
        find /bin /etc /init /sbin /var /lib /lib64 /root /usr >/tmp/list

        for dir in /boot /dev /home /proc /sys /tmp /mnt /mnt/* /run
        do
            echo $dir >>/tmp/list
        done


        # Generate initramfs with specified compression
        if [ "$COMPRESSION" = "xz" ]; then
            echo -n "Creating archfs.xz with xz compression... "
            cat /tmp/list | cpio -o -H newc | xz > /archfs.xz

        elif [ "$COMPRESSION" = "gzip" ]; then
            echo -n "Creating archfs.gz with gzip compression... "
            cat /tmp/list | cpio -o -H newc | gzip -9 > /archfs.gz

        elif [ "$COMPRESSION" = "lzo" ]; then
            echo -n "Creating archfs.lzo with lzo compression... "
            cat /tmp/list | cpio -o -H newc | lzop -1 > /archfs.lzo

        else
            echo -n "Creating archfs.img without compression... "
            cat /tmp/list | cpio -o -H newc > /archfs.img
        fi


        # Get initramfs size
        size=`du -sh /archfs.* | cut -f 1`


        echo "==============================================================================="
        echo "Root filesystem size: $size"
        echo ""
        echo -en "----\nENTER to continue..."; read i

exit 0