vcdk.in

#!/bin/sh
#
# Copyright (C) 2017  Dridi Boukelmoune
# All rights reserved.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

DEFAULT_PLUGINS='@vcdkdir@'
DEFAULT_SETUP='@libexecdir@'

# To be inherited by plugins
export VCDK_SETUP=${VCDK_SETUP:-$DEFAULT_SETUP}

. "${VCDK_SETUP}/vcdk-setup.sh"

OPTIONS_USAGE="\
Usage: vcdk [options] <plugin> [plugin options]
       vcdk --help
       vcdk --list

Options can only appear once in the command line, and options that take
an argument support both \`--opt value\` and \`--opt=value\` notations.
When options accept list of arguments, they must be passed as a single
comma-separated list of values, for example \`--foo=bar,baz\`.

Options:
"

OPTIONS_SPEC="\
--list			list available plugins and exit
--plugins=<dir>		default: $DEFAULT_PLUGINS
"

list=false
plugins=

options_init "$@"
shift $opt_ind

plugins=${plugins:-$DEFAULT_PLUGINS}

if $list
then
	for file in "$plugins"/*
	do
		test -f "$file" &&
		test -x "$file" &&
		basename "$file"
	done
	exit
fi

if [ $# -eq 0 ]
then
	usage_error 'missing plugin argument'
fi

plugin=$1
shift

exec "$plugins/$plugin" "$@"