tftpboot/scripts/make_debian_initrd_with_firmware.sh

#!/bin/bash

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

for DISTRO in wheezy jessie sid; do  # For ALL Debian's version

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

  # Download and uncompress original initrd
  wget http://ftp.fr.debian.org/debian/dists/${DISTRO}/main/installer-amd64/current/images/netboot/debian-installer/amd64/initrd.gz
  mkdir "${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_0.43_all.deb
  dpkg-deb -x firmware-bnx2_0.43_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_0.43_all.deb
  dpkg-deb -x firmware-linux-nonfree_0.43_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/${DISTRO}/amd64/initrd_firm.gz

  popd

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

done