live-build/scripts/build/lb_chroot_debianchroot

#!/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
. "${LB_BASE:-/usr/share/live/build}"/scripts/build.sh

# Setting static variables
DESCRIPTION="$(Echo 'manage /etc/debian_chroot')"
HELP=""
USAGE="${PROGRAM} {install|remove} [--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 .stage/config .stage/bootstrap

case "${1}" in
	install)
		Echo_message "Configuring file /etc/debian_chroot"

		# Checking stage file
		Check_stagefile .stage/chroot_debianchroot

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		if [ -f chroot/etc/debian_chroot ]
		then
			# Save chroot file
			mv chroot/etc/debian_chroot chroot/etc/debian_chroot.orig
		fi

		# Create chroot file
		echo "live" > chroot/etc/debian_chroot

		# Creating stage file
		Create_stagefile .stage/chroot_debianchroot
		;;

	remove)
		Echo_message "Deconfiguring file /etc/debian_chroot"

		# Checking lock file
		Check_lockfile .lock

		# Creating lock file
		Create_lockfile .lock

		if [ -f chroot/etc/debian_chroot.orig ]
		then
			# Restore chroot file
			mv chroot/etc/debian_chroot.orig chroot/etc/debian_chroot
		else
			# Remove chroot file
			rm -f chroot/etc/debian_chroot
		fi

		# Removing stage file
		rm -f .stage/chroot_debianchroot
		;;

	*)
		Usage
		;;
esac