live-build/functions/usage.sh

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#!/bin/sh
## live-build(7) - System Build Scripts
## 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.
Usage ()
{
printf "%s - %s\n\n" "${PROGRAM_NAME}" "${DESCRIPTION}"
printf "Usage:\n\n"
if [ -n "${USAGE}" ]
then
printf " %s\n" "${USAGE}"
fi
printf " %s [-h|--help]\n" "${PROGRAM}"
printf " %s [-u|--usage]\n" "${PROGRAM}"
printf " %s [-v|--version]\n" "${PROGRAM}"
printf "\nTry \"%s --help\" for more information.\n" "${PROGRAM}"
exit 1
}