live-build/scripts/build/lb

#!/bin/sh

## live-build(7) - System Build Scripts
## Copyright (C) 2006-2011 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 'utility to build Debian Live systems')"
HELP="FIXME"
USAGE="FIXME"

case "${1}" in
	-h|--help)
		if [ -x "$(which man 2>/dev/null)" ]
		then
			man lb
			exit 0
		else
			${0} --usage
			exit 0
		fi
		;;

	""|-u|--usage)
		Usage
		;;

	-v|--version)
		Version
		;;

	*)
		COMMAND="lb_${1}"
		shift

		if [ -x "${LB_BASE}/scripts/build/${COMMAND}" ]
		then
			LB=1 exec "${LB_BASE}/scripts/build/${COMMAND}" "${@}"
		elif [ -x /usr/share/live/build/scripts/build/${COMMAND} ]
		then
			LB=1 exec /usr/share/live/build/scripts/build/"${COMMAND}" "${@}"
		elif [ -x "$(which ${COMMAND} 2>/dev/null)" ]
		then
			LB=1 exec "${COMMAND}" "${@}"
		else
			Echo_error "no such script"
			exit 1
		fi
		;;
esac