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#!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 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}"
for _ARCHIVE_AREA in ${ARCHIVE_AREAS}
do
local CONTENTS_URL="${MIRROR_CHROOT}/dists/${DISTRO_CHROOT}/${_ARCHIVE_AREA}/Contents-${LB_ARCHITECTURES}.gz"
local CONTENTS_FILEDIR="cache/contents.chroot/${DISTRO_CHROOT}/${_ARCHIVE_AREA}"
local CONTENTS_FILE="${CONTENTS_FILEDIR}/contents-${LB_ARCHITECTURES}.gz"
mkdir -p "${CONTENTS_FILEDIR}"
# 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
wget ${WGET_OPTIONS} "${CONTENTS_URL}" -O "${CONTENTS_FILE}"
fi
local PACKAGES
PACKAGES="$(gunzip -c "${CONTENTS_FILE}" | awk '/^lib\/firmware/ { print $2 }' | sort -u )"
FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} ${PACKAGES}"
# Don't waste disk space, if not making use of caching
if [ "${LB_CACHE}" != "true" ]
then
rm -f "${CONTENTS_FILE}"
fi
done
}
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