#! /bin/sh
# Copyright (C) 2009-2010 Uwe Kleine-König
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.

set -e

UG_VERSION="20100908.0"
export UG_VERSION

if test "${UG_EXEC_PATH:+set}" != "set"; then
	UG_EXEC_PATH='@@UG_EXEC_PATH@@'
	export UG_EXEC_PATH
fi

UG_OPTIONS_SPEC="\
ug --version
ug [-h|--help]
ug [--debug] <command> ...
--
debug           print much unreadable and unusable output
h,help!         show this help
version!        show version number and exit
"

. "$UG_EXEC_PATH/uglib.sh"

## help ## {{{1
help() {
	echo "Use the source, Luke"
}

## version ## {{{1
version() {
	echo "$UG_VERSION"
}
# }}}

while true; do
	case "$1" in
	--help)
		# This isn't reached as
		# git rev-parse --parseopt catches -h,--help
		help
		exit 0
		;;
	--version)
		version
		exit 0
		;;
	--debug)
		shopt="-x"
		;;
	--)
		break
		;;
	esac
	shift
done

GIT_DIR="$(git rev-parse --git-dir)"
export GIT_DIR

assert test "x$1" = "x--"
shift

ug_cmd="$1"; shift
case "$ug_cmd" in
"")
        help
        exit 1
	;;

help)
        help
	;;

version)
        version
	;;

*)
        if test -x "$UG_EXEC_PATH/ug-$ug_cmd"; then
                exec sh $shopt "$UG_EXEC_PATH/ug-$ug_cmd" "$@"
        else
                die "Unknown command: $ug_cmd"
        fi;;
esac