337 lines
10 KiB
Bash
Executable File
337 lines
10 KiB
Bash
Executable File
#!/bin/bash
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# Purpose {{{
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# This script will build a new initrd with some extra firmwares.
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# 1. Download Debian initrd (Bullseye, Buster, Stretch and Sid)
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# 2. Download firmwares
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# * bnx2
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# * all non-free (for tigon)
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# * Myricom for IBM
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# * qlogic
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# * iwlwifi (Intel WiFi for user's laptop)
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# 3. Extract everything
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# 4. Build a new initrd with everything and compress with XZ
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# }}}
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly NBARGS="${#}"
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[ -z "${DEBUG}" ] && DEBUG=1
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## Export DEBUG for sub-script
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export DEBUG
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# Default value for TFTP's directory
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if command -v in.tftpd > /dev/null; then
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source /etc/default/tftpd-hpa
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else
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TFTP_DIRECTORY="/srv/tftp"
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fi
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FIRM_BNX2_DEB_URL_DEFAULT="http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-bnx2_0.43_all.deb"
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FIRM_NONFREE_DEB_URL_DEFAULT="http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-linux-nonfree_0.43_all.deb"
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FIRM_MYRICOM_DEB_URL_DEFAULT="http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-myricom_0.43_all.deb"
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FIRM_QLOGIC_DEB_URL_DEFAULT="http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-qlogic_0.43_all.deb"
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FIRM_IWLWIFI_DEB_URL_DEFAULT="http://ftp.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-iwlwifi_20210818-1_all.deb"
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [-d|-h]
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This script will build a new Debian initrd with extra firmwares for
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"all" Debian's releases.
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EXAMPLES :
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- Build Debian's initrd to default place (${TFTP_DIRECTORY})
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${PROGNAME}
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OPTIONS :
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-d,--debug
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Enable debug messages.
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-h,--help
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Print this help message.
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_message}"
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message
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printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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exit "${local_error_code:=66}"
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}
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# }}}
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define_vars() { # {{{
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# If firm_bnx2_deb_url wasn't defined (argument) {{{
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if [ -z "${firm_bnx2_deb_url}" ]; then
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## Use default value
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firm_bnx2_deb_url="${FIRM_BNX2_DEB_URL_DEFAULT}"
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fi
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# }}}
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# If firm_nonfree_deb_url wasn't defined (argument) {{{
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if [ -z "${firm_nonfree_deb_url}" ]; then
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## Use default value
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firm_nonfree_deb_url="${FIRM_NONFREE_DEB_URL_DEFAULT}"
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fi
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# }}}
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# If firm_myricom_deb_url wasn't defined (argument) {{{
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if [ -z "${firm_myricom_deb_url}" ]; then
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## Use default value
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firm_myricom_deb_url="${FIRM_MYRICOM_DEB_URL_DEFAULT}"
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fi
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# }}}
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# If firm_qlogic_deb_url wasn't defined (argument) {{{
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if [ -z "${firm_qlogic_deb_url}" ]; then
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## Use default value
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firm_qlogic_deb_url="${FIRM_QLOGIC_DEB_URL_DEFAULT}"
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fi
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# }}}
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# If firm_iwlwifi_deb_url wasn't defined (argument) {{{
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if [ -z "${firm_iwlwifi_deb_url}" ]; then
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## Use default value
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firm_iwlwifi_deb_url="${FIRM_IWLWIFI_DEB_URL_DEFAULT}"
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fi
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# }}}
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}
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# }}}
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download_file() { # {{{
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local_url="${1}"
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local_dest_file="${2}"
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## If the destination file is empty
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if [ -z "${local_dest_file}" ]; then
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debug_message "download_file − \
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Download ${local_url} in the current directory."
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wget --quiet "${local_url}"
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else
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debug_message "download_file − \
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Download ${local_url} to ${RED}${local_dest_file}${COLOR_DEBUG} ."
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wget --quiet "${local_url}" --output-document="${local_dest_file}"
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fi
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## Unset variables
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unset local_url
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unset local_dest_file
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}
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# }}}
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is_file_empty() { # {{{
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local_file="${1}"
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## File is empty by default
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return_is_file_empty="0"
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### Check if the file is empty
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if [ ! -s "${local_file}" ]; then
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return_is_file_empty="0"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} is empty or doesn't exists."
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else
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return_is_file_empty="1"
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debug_message "is_file_empty − \
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The file ${RED}${local_file}${COLOR_DEBUG} exists and has a size greater than zero."
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fi
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## Unset variables
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unset local_file
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return "${return_is_file_empty}"
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}
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# }}}
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main() { # {{{
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if ! [ $(id -u) = 0 ]; then
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# To allow creation of temp file (mknod,…)
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error_message "Please run this script as root" 1
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fi
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define_vars
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for DISTRO in bullseye buster stretch sid; do # For ALL Debian's version
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debug_message "Main FOR loop − \
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Manage initrd and firmwares for ${RED}${DISTRO}${COLOR_DEBUG} release."
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## Temp directory
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TEMP_DIR=$(mktemp -d)
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pushd "${TEMP_DIR}" > /dev/null \
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|| error_message "Can't move to ${TEMP_DIR}/ temp directory." 2
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initrd_file="${TEMP_DIR}/initrd.gz"
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## Download original initrd {{{
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download_file "http://deb.debian.org/debian/dists/${DISTRO}/main/installer-amd64/current/images/netboot/debian-installer/amd64/initrd.gz" "${initrd_file}"
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is_file_empty "${initrd_file}" \
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&& error_message "${initrd_file} file for ${DISTRO} is empty !" 3
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## }}}
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## Uncompress initrd {{{
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mkdir -- "${TEMP_DIR}"/mkinitrd
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pushd "${TEMP_DIR}"/mkinitrd/ > /dev/null \
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|| error_message "Can't move to ${TEMP_DIR}/mkinitrd/ directory." 2
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zcat "${initrd_file}" | cpio --extract --quiet --preserve-modification-time 1>/dev/null 2>&1
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popd > /dev/null \
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|| error_message "Can't move back from ${TEMP_DIR}/mkinitrd/ directory." 2
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## }}}
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## Download bnx2's firmware and uncompress it {{{
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firm_bnx2_deb_file="${TEMP_DIR}/firmware-bnx2.deb"
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#wget http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-bnx2_0.43_all.deb
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download_file "${firm_bnx2_deb_url}" "${firm_bnx2_deb_file}"
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is_file_empty "${firm_bnx2_deb_file}" \
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&& error_message "${firm_bnx2_deb_file} file for ${DISTRO} is empty !" 3
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dpkg-deb --extract "${firm_bnx2_deb_file}" "${TEMP_DIR}"/mkinitrd \
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|| error_message "Can't extract ${firm_bnx2_deb_file} file for ${DISTRO}." 3
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## }}}
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## Download nonfree firmwares (for Tigon…) and uncompress it {{{
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firm_nonfree_deb_file="${TEMP_DIR}/firmware-nonfree.deb"
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download_file "${firm_nonfree_deb_url}" "${firm_nonfree_deb_file}"
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is_file_empty "${firm_nonfree_deb_file}" \
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&& error_message "${firm_nonfree_deb_file} file for ${DISTRO} is empty !" 3
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dpkg-deb --extract "${firm_nonfree_deb_file}" "${TEMP_DIR}"/mkinitrd \
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|| error_message "Can't extract ${firm_nonfree_deb_file} file for ${DISTRO}." 3
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## }}}
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## Download myricom's firmware (for IBM) and uncompress it {{{
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firm_myricom_deb_file="${TEMP_DIR}/firmware-myricom.deb"
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download_file "${firm_myricom_deb_url}" "${firm_myricom_deb_file}"
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is_file_empty "${firm_myricom_deb_file}" \
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&& error_message "${firm_myricom_deb_file} file for ${DISTRO} is empty !" 3
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dpkg-deb --extract "${firm_myricom_deb_file}" "${TEMP_DIR}"/mkinitrd \
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|| error_message "Can't extract ${firm_myricom_deb_file} file for ${DISTRO}." 3
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## }}}
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## Download qlogic's firmware and uncompress it {{{
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firm_qlogic_deb_file="${TEMP_DIR}/firmware-qlogic.deb"
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download_file "${firm_qlogic_deb_url}" "${firm_qlogic_deb_file}"
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is_file_empty "${firm_qlogic_deb_file}" \
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&& error_message "${firm_qlogic_deb_file} file for ${DISTRO} is empty !" 3
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dpkg-deb --extract "${firm_qlogic_deb_file}" "${TEMP_DIR}"/mkinitrd \
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|| error_message "Can't extract ${firm_qlogic_deb_file} file for ${DISTRO}." 3
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## }}}
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## Download iwlwifi's firmware (for user's laptop) and uncompress it {{{
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firm_iwlwifi_deb_file="${TEMP_DIR}/firmware-iwlwifi.deb"
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#wget http://deb.debian.org/debian/pool/non-free/f/firmware-nonfree/firmware-iwlwifi_0.43_all.deb
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download_file "${firm_iwlwifi_deb_url}" "${firm_iwlwifi_deb_file}"
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is_file_empty "${firm_iwlwifi_deb_file}" \
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&& error_message "${firm_iwlwifi_deb_file} file for ${DISTRO} is empty !" 3
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dpkg-deb --extract "${firm_iwlwifi_deb_file}" "${TEMP_DIR}"/mkinitrd \
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|| error_message "Can't extract ${firm_iwlwifi_deb_file} file for ${DISTRO}." 3
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## }}}
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## Make a new initrd {{{
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new_initrd_file="${TEMP_DIR}/initrd.xz"
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mv "${initrd_file}" initrd_orig.gz
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pushd "${TEMP_DIR}"/mkinitrd/ > /dev/null \
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|| error_message "Can't move to ${TEMP_DIR}/mkinitrd/ temp directory." 2
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### With a very good compression rate
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find . | cpio --quiet --create --format=newc | xz --stdout -9 --check=crc32 > "${new_initrd_file}"
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is_file_empty "${new_initrd_file}" \
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&& error_message "New initrd ${new_initrd_file} file for ${DISTRO} is empty !" 3
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popd > /dev/null \
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|| error_message "Can't move back from ${TEMP_DIR}/mkinitrd/ directory." 2
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## }}}
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## Move new initrd to TFTP tree {{{
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mkdir --parents -- "${TFTP_DIRECTORY}/installer/debian/${DISTRO}/amd64/"
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mv -- "${new_initrd_file}" "${TFTP_DIRECTORY}/installer/debian/${DISTRO}/amd64/initrd_firm.xz"
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## }}}
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## Leave temp directory and clean it {{{
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popd > /dev/null \
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|| error_message "Can't move back from ${TEMP_DIR}/ directory." 2
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rm --recursive --force -- "${TEMP_DIR}"
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## }}}
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done
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}
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# }}}
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# Manage arguments # {{{
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# This code can't be in a function due to argument management
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if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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## If the first argument is not an option
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if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
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then
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## Print help message and exit
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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fi
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# Parse all options (start with a "-") one by one
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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-d|--debug ) ## debug
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DEBUG=0
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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debug_message "Arguments management − \
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No arguments/options to manage."
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fi
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# }}}
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main
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exit 0
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