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-rwxr-xr-xsystem-build/functions/usage.sh31
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diff --git a/system-build/functions/usage.sh b/system-build/functions/usage.sh
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+++ b/system-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" "${PROGRAM}" "${DESCRIPTION}"
+ echo
+ Echo "Usage:"
+ echo
+
+ if [ -n "${USAGE}" ]
+ then
+ Echo " ${USAGE}"
+ echo
+ fi
+
+ printf " %s [-h|--help]\n" "${PROGRAM}"
+ printf " %s [-u|--usage]\n" "${PROGRAM}"
+ printf " %s [-v|--version]\n" "${PROGRAM}"
+ echo
+ Echo "Try \"%s --help\" for more information." "${PROGRAM}"
+
+ exit 1
+}