#!/bin/bash

# This script do the following:
#   Download last Debian Initrd
#   Download firmwares:
#     bnx2
#     all non-free (for tigon)
#   Extract all downloaded files
#   Make a new initrd with the firmwares

TEMP_DIR=$(mktemp -d)
pushd "${TEMP_DIR}"

# Download and uncompress original initrd
wget http://ftp.fr.debian.org/debian/dists/stable/main/installer-amd64/current/images/netboot/debian-installer/amd64/initrd.gz
mkdir "${TEMP_DIR}"/mkinitrd
pushd "${TEMP_DIR}"/mkinitrd/
zcat ../initrd.gz | cpio -iv

popd


# Download bnx2's firmware and uncompress it
wget http://ftp.fr.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-bnx2_0.41_all.deb
dpkg-deb -x firmware-bnx2_0.41_all.deb "${TEMP_DIR}"/mkinitrd

# Download tigon(all non-free)'s firmware and uncompress it
wget http://ftp.fr.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-linux-nonfree_0.41_all.deb
dpkg-deb -x firmware-linux-nonfree_0.41_all.deb "${TEMP_DIR}"/mkinitrd


# Make a new initrd
mv initrd.gz initrd_orig.gz
pushd "${TEMP_DIR}"/mkinitrd/
find . -print0 | cpio -0 -H newc -ov | gzip -c > ../initrd.gz
popd

# Move it to PXE Debian installer
mv initrd.gz /var/lib/tftpboot/installer/debian/wheezy/amd64/initrd_firm.gz

popd

# Clean temp file
rm -rf "${TEMP_DIR}"