live-build/scripts/build/chroot_linux-image

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2012 Daniel Baumann <daniel@debian.org>
##
## 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.


set -e

# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'schedule kernel packages for installation')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults

# Requiring stage file
Require_stagefile .build/config .build/bootstrap

# Checking stage file
Check_stagefile .build/chroot_linux-image

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

# Diverting update-initramfs
#case "${LB_INITRAMFS}" in
#	live-boot)
#		mv chroot/usr/sbin/update-initramfs chroot/usr/sbin/update-initramfs.live-build
#		;;
#esac

if [ "${LB_LINUX_PACKAGES}" != "none" ]
then
	for FLAVOUR in ${LB_LINUX_FLAVOURS}
	do
		for PACKAGE in ${LB_LINUX_PACKAGES}
		do
			echo ${PACKAGE}-${FLAVOUR} >> chroot/root/packages.chroot
		done
	done

	# Include firmware packages
	if [ "${LB_FIRMWARE_CHROOT}" = "true" ]
	then
		# Assumption: firmware packages install files into /lib/firmware

		# Get all firmware packages names
		mkdir -p cache/contents.chroot

		FIRMWARE_PACKAGES=""

		if [ "${_PARENT_DISTRIBUTION}" = "squeeze" ] || [ "${LB_MODE}" = "ubuntu" ] || [ "${LB_MODE}" = "kubuntu" ]
		then
			_CONTENTS="${LB_PARENT_MIRROR_CHROOT}/dists/${LB_PARENT_DISTRIBUTION}/Contents-${LB_ARCHITECTURES}.gz"
		else
			_CONTENTS="$(for _PARENT_ARCHIVE_AREA in ${LB_PARENT_ARCHIVE_AREAS}; do echo ${LB_PARENT_MIRROR_CHROOT}/dists/${LB_PARENT_DISTRIBUTION}/${_PARENT_ARCHIVE_AREA}/Contents-${LB_ARCHITECTURES}.gz; done)"
		fi

		rm -f cache/contents.chroot/contents.${LB_PARENT_DISTRIBUTION}.${LB_ARCHITECTURES}

		for _CONTENT in ${_CONTENTS}
		do
			wget ${WGET_OPTIONS} ${_CONTENT} -O - | gunzip -c >> cache/contents.chroot/contents.${LB_PARENT_DISTRIBUTION}.${LB_ARCHITECTURES}

			FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} $(awk '/^lib\/firmware/ { print $2 }' cache/contents.chroot/contents.${LB_PARENT_DISTRIBUTION}.${LB_ARCHITECTURES} | sort -u)"
		done

		if echo ${LB_PARENT_ARCHIVE_AREAS} | grep -qs "non-free"
		then
			# FIXME: should check that we're building on debian through e.g. a 'derivative-is-based-on' variable or somesuch.
			# Manually add firmware-linux/non-free meta package
			FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} firmware-linux"
		fi

		if [ "${LB_DERIVATIVE}" = "true" ]
		then
			# FIXME: account for the fact that PARENT_DISTRIBUTION and DISTRIBUTION might be the same (to not have overlapping cache files for contents).

			if [ "${_PARENT_DISTRIBUTION}" = "squeeze" ] || [ "${LB_MODE}" = "ubuntu" ] || [ "${LB_MODE}" = "kubuntu" ]
			then
				_CONTENTS="${LB_MIRROR_CHROOT}/dists/${LB_DISTRIBUTION}/Contents-${LB_ARCHITECTURES}.gz"
			else
				_CONTENTS="$(for _ARCHIVE_AREA in ${LB_ARCHIVE_AREAS}; do echo ${LB_MIRROR_CHROOT}/dists/${LB_DISTRIBUTION}/${_ARCHIVE_AREA}/Contents-${LB_ARCHITECTURES}.gz; done)"
			fi

			rm -f cache/contents.chroot/contents.${LB_DISTRIBUTION}.${LB_ARCHITECTURES}

			for _CONTENT in ${_CONTENTS}
			do
				wget ${WGET_OPTIONS} ${_CONTENT} -O - | gunzip -c >> cache/contents.chroot/contents.${LB_DISTRIBUTION}.${LB_ARCHITECTURES}

				FIRMWARE_PACKAGES="${FIRMWARE_PACKAGES} $(awk '/^lib\/firmware/ { print $2 }' cache/contents.chroot/contents.${LB_DISTRIBUTION}.${LB_ARCHITECTURES} | sort -u)"
			done
		fi

		# Drop section and keep package names only
		for _PACKAGE in ${FIRMWARE_PACKAGES}
		do
			echo $(echo ${_PACKAGE} | awk -F/ '{ print $NF }') >> chroot/root/packages.chroot
		done

# Some known licenses required to be accepted
cat >> chroot/root/packages.chroot.cfg << EOF
firmware-ivtv firmware-ivtv/license/accepted boolean true
firmware-ipw2x00 firmware-ipw2x00/license/accepted boolean true
EOF

	fi

	# Creating stage file
	Create_stagefile .build/chroot_linux-image
fi