# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id: $

DESCRIPTION="DMD version and library configuration"
MAINTAINER="cy@ngs.ru"
SVN_DATE='$Date: $'
VERSION=$(svn_date_to_version "${SVN_DATE}" )

find_targets() {
	ls -1 ${ROOT}/usr/bin/dmd.dmd* | sed 's/.*\.//'
}

find_target() {
	target=${1}
	if is_number "${target}" ; then
		targets=( $(find_targets ) )
		target=${targets[$(( ${target} - 1 ))]}
	fi
	echo -n ${target}
}

check_script() {
	target=$(find_target ${1})
	if ! [[ -e ${ROOT}/usr/bin/dmd.${target} ]] ; then
		die -q "This doesn't seem to be a correct configuration"
	fi
}

remove_script() {
	rm ${ROOT}/usr/bin/dmd 2> /dev/null
}

set_script() {
	target=$(find_target ${1})

	ln -s "${ROOT}/usr/bin/dmd.${target}" "${ROOT}/usr/bin/dmd"

}
### list action

## {{{ 
describe_list() {
	echo "List available configurations"
}

do_list() {
	targets=( $(find_targets ) )
	write_list_start "Available configurations:"
	if [[ -n ${targets[@]} ]] ; then
		local i
		write_numbered_list "${targets[@]}"
	else
		write_kv_list_entry "(none found)" ""
	fi
}

### set action

describe_set() {
	echo "Set a new configuration"
}

describe_set_parameters() {
	echo "<configuration>"
}

describe_set_options() {
	echo "configuration : library-compiler pair number"
}

do_set() {
	if [[ -z ${1} ]] ; then
		# no parameter
		die -q "You didn't tell me what configuration I need to set"
	fi

	check_script "${1}"

	remove_script

	if ! set_script "${1}" ; then
		die -q "Couldn't set a run script"
	fi

}

### show action

describe_show() {
	echo "Show current configuration"
}

do_show() {
	target=$(readlink ${ROOT}/usr/bin/dmd | sed 's/.*\.//' )
	write_list_start "Current configuration:"
	write_kv_list_entry "$target" ""
}

## }}}

# vim: ts=4 sw=4 noet fdm=marker