live-build/scripts/build/chroot_tasks

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2010 Daniel Baumann <daniel@debian.org>
##
## live-build 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
. "${LH_BASE:-/usr/share/live/build}"/scripts/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'install tasks into chroot')"
HELP=""
USAGE="${PROGRAM} [--force]"

Arguments "${@}"

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

Echo_message "Begin installing tasks..."

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

# Checking stage file
Check_stagefile .stage/chroot_tasks

# Checking lock file
Check_lockfile .lock

# Creating lock file
Create_lockfile .lock

if [ -n "${LH_TASKS}" ] && [ "${LH_TASKS}" != "none" ]
then
	# Restoring cache
	Restore_cache cache/packages_chroot

	# Checking depends
	case "${LH_TASKSEL}" in
		aptitude)
			Check_package chroot/usr/bin/aptitude aptitude
			;;

		tasksel)
			Check_package chroot/usr/bin/tasksel tasksel
			;;
	esac

	# Installing depends
	Install_package

	# Installing tasks
	case "${LH_TASKSEL}" in
		aptitude)
			Chroot chroot "aptitude ${APTITUDE_OPTIONS} install ${LH_TASKS}"
			;;

		tasksel)
			for TASK in ${LH_TASKS}
			do
				case "${TASK}" in
					gnome*)
						DESKTOP="${DESKTOP} gnome"
						;;

					kde*)
						DESKTOP="${DESKTOP} kde"
						;;

					lxde*)
						DESKTOP="${DESKTOP} lxde"
						;;

					xfce*)
						DESKTOP="${DESKTOP} xfce"
						;;
				esac

				echo "tasksel tasksel/desktop multiselect ${DESKTOP}" > chroot/root/preseed
				Chroot chroot "debconf-set-selections /root/preseed"
				rm -f chroot/root/preseed

				Chroot chroot "tasksel --debconf-apt-progress --logstderr install ${TASK}"
			done
			;;
	esac

	# Removing depends
	Remove_package

	# Saving cache
	Save_cache cache/packages_chroot

	# Creating stage file
	Create_stagefile .stage/chroot_tasks
fi