live-build/scripts/build/chroot_install-packages

#!/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.


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="Install queued packages into chroot"
USAGE="${PROGRAM} {install|live} [--force]"

_PASS="${1}"
shift

# Processing arguments and configuration files
Init_config_data "${@}"

Echo_message "Begin installing packages (${_PASS} pass)..."

# Requiring stage file
Require_stagefiles config bootstrap

# Set non-default stage file name
# Setting to default name with appended action name
STAGE_FILE="$(Stagefile_name "${_PASS}")"

# Checking stage file
Check_stagefile "${STAGE_FILE}"

# Acquire lock file
Acquire_lockfile

# Check for packages specified with foreign architecture
_FOREIGN_ARCHITECTURES_FILE="chroot/root/packages.foreign-architectures"
if [ -e "${_FOREIGN_ARCHITECTURES_FILE}" ] && [ -s "${_FOREIGN_ARCHITECTURES_FILE}" ]
then
	_APT_ARCHITECTURES_ADDED="0"

	# Check if version of dpkg in chroot supports multiarch
	if Chroot chroot dpkg --print-foreign-architectures > /dev/null 2>&1
	then
		# Add foregin architectures
		while read _ARCHITECTURES_LINE
		do
			Echo_message "Adding foreign architecture ${_ARCHITECTURES_LINE} to dpkg"
			Chroot chroot dpkg --add-architecture ${_ARCHITECTURES_LINE}

			_APT_ARCHITECTURES_ADDED="1"
		done < "${_FOREIGN_ARCHITECTURES_FILE}"

		# Tidy up
		rm -f "${_FOREIGN_ARCHITECTURES_FILE}"
	else
		Echo_error "Version of dpkg in chroot does not support foreign architectures."
	fi

	# Update apt if foreign architectures were added
	if [ "${_APT_ARCHITECTURES_ADDED}" -ne "0" ]
	then
		Echo_message "Added foreign architectures, updating apt..."
		Apt chroot update
	fi
fi

if [ -e chroot/root/packages.chroot ] && [ -s chroot/root/packages.chroot ]
then
	# Restoring cache
	Restore_package_cache chroot

	if [ "${LB_INITRAMFS}" = "dracut-live" ]; then
		# Install each package separately, because the list contains conflicts
		_INSTALL_ONE_BY_ONE="--max-args 1"
	else
		_INSTALL_ONE_BY_ONE=""
	fi
	# Installing packages
	case "${LB_APT}" in
		apt|apt-get)
			Chroot chroot "xargs ${_INSTALL_ONE_BY_ONE} --arg-file=/root/packages.chroot apt-get ${APT_OPTIONS} install"
			;;

		aptitude)
			Chroot chroot "xargs ${_INSTALL_ONE_BY_ONE} --arg-file=/root/packages.chroot aptitude ${APTITUDE_OPTIONS} install"
			;;
	esac

	# Tidying up
	rm -f chroot/root/packages.chroot

	# Saving cache
	Save_package_cache chroot

fi

# Creating stage file
Create_stagefile "${STAGE_FILE}"