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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2023 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
# Updates FIRMWARE_PACKAGES with list of packages determined from specified
# archive areas of specified distro, based upon reading archive content file.
#
# Shared by chroot_firmware and installer_debian-installer
#
# Assumption: firmware packages install files into /lib/firmware
Firmware_List_From_Contents () {
local MIRROR_CHROOT="${1}"
local DISTRO_CHROOT="${2}"
local ARCHIVE_AREAS="${3}"
local HAS_X86_ARCH=0
local HAS_ARM_ARCH=0
local _ARCHIVE_AREA
for _ARCHIVE_AREA in ${ARCHIVE_AREAS}
do
local CONTENTS_FILEDIR="cache/contents.chroot/${DISTRO_CHROOT}/${_ARCHIVE_AREA}"
mkdir -p "${CONTENTS_FILEDIR}"
local _ARCH
for _ARCH in all ${LB_ARCHITECTURE}
do
local CONTENTS_URL="${MIRROR_CHROOT}/dists/${DISTRO_CHROOT}/${_ARCHIVE_AREA}/Contents-${_ARCH}.gz"
local CONTENTS_FILE="${CONTENTS_FILEDIR}/contents-${_ARCH}.gz"
# Purge from cache if not wanting to use from cache, ensuring fresh copy
if [ "${LB_CACHE}" != "true" ]
then
rm -f "${CONTENTS_FILE}"
fi
# If not cached, download
if [ ! -e "${CONTENTS_FILE}" ]
then
# Contents-all.gz does not exist in Buster and other older versions
if ! wget --quiet --spider ${WGET_OPTIONS} "${CONTENTS_URL}"; then
continue
fi
wget ${WGET_OPTIONS} "${CONTENTS_URL}" -O "${CONTENTS_FILE}"
fi
local PACKAGES
PACKAGES="$(gunzip -c "${CONTENTS_FILE}" | awk '/^(usr\/)?lib\/firmware/ { print $NF }' | sort -u )"
FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} ${PACKAGES}"
if [ -n "${FIRMWARE_DETAILS_FILE}" ]
then
# Use similar formatting as tools/make-firmware-image from debian-cd
# Note: for firmware/Contents-firmware (used by check-missing-firmware.sh from hw-detect),
# the second argument must be the filename of the package.
# That information is not available here and will be added by installer_debian-installer
gunzip -c "${CONTENTS_FILE}" | awk -v AREA=${_ARCHIVE_AREA} '/^(usr\/)?lib\/firmware/ { printf "/%-54s %s %s\n", $1, $2, AREA }' >> ${FIRMWARE_DETAILS_FILE}
fi
# Don't waste disk space, if not making use of caching
if [ "${LB_CACHE}" != "true" ]
then
rm -f "${CONTENTS_FILE}"
fi
case "${_ARCH}" in
arm64 | armel | armhf)
HAS_ARM_ARCH=1
;;
amd64 | i386)
HAS_X86_ARCH=1
;;
esac
done
# Clean up the cache directory, if no files are present
rmdir --ignore-fail-on-non-empty "cache/contents.chroot/${DISTRO_CHROOT}/${_ARCHIVE_AREA}"
rmdir --ignore-fail-on-non-empty "cache/contents.chroot/${DISTRO_CHROOT}"
rmdir --ignore-fail-on-non-empty "cache/contents.chroot"
done
# Blocklist firmware which does not match the requested architectures #1035382
# See https://salsa.debian.org/images-team/debian-cd/-/blob/master/tasks/bookworm/exclude-firmware
# and https://salsa.debian.org/images-team/debian-cd/-/blob/master/tasks/trixie/exclude-firmware
# Filter out firmware packages that are only useful with non-free drivers
BLOCKLIST_FIRMWARE="firmware-nvidia-gsp firmware-nvidia-tesla-gsp firmware-nvidia-tesla-[0-9a-z]*-gsp"
# Filter out firmware packages that are huge and need special kernel options
BLOCKLIST_FIRMWARE="${BLOCKLIST_FIRMWARE} firmware-marvell-prestera"
# Exclude ARM firmware when no ARM is requested
if [ ${HAS_ARM_ARCH} -eq 0 ]
then
BLOCKLIST_FIRMWARE="${BLOCKLIST_FIRMWARE} arm-trusted-firmware-tools crust-firmware firmware-qcom-soc firmware-samsung firmware-ti-connectivity raspi-firmware"
fi
# Exclude x86 firmware when no x86 is requested
if [ ${HAS_X86_ARCH} -eq 0 ]
then
BLOCKLIST_FIRMWARE="${BLOCKLIST_FIRMWARE} amd64-microcode firmware-intel-sound firmware-sof-signed intel-microcode"
fi
# Deduplicate the list and prepare for easier manipulation by having each package on its own line
local _FIRMWARE_PACKAGES_FILE=tmp_firmware_packages.txt
echo ${FIRMWARE_PACKAGES} | tr " " "\n" | sort -u > ${_FIRMWARE_PACKAGES_FILE}
# Remove the blocklisted firmware packages
# FIRMWARE_PACKAGES has section names and BLOCKLIST_FIRMWARE (intentionally) does not
local _REMOVEME
for _REMOVEME in ${BLOCKLIST_FIRMWARE}
do
sed -i -e "/\/${_REMOVEME}$/d" ${_FIRMWARE_PACKAGES_FILE}
done
# Reassemble the filtered list
FIRMWARE_PACKAGES=$(cat ${_FIRMWARE_PACKAGES_FILE})
rm -f ${_FIRMWARE_PACKAGES_FILE}
}
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