#!/bin/sh

#
# Copyright (c) 2021 Jiri Svoboda
# Copyright (c) 2019 Jiří Zárevúcky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

# Find out the path to the script.
SOURCE_DIR=`which -- "$0" 2>/dev/null`
# Maybe we are running bash.
[ -z "$SOURCE_DIR" ] && SOURCE_DIR=`which -- "$BASH_SOURCE"`
[ -z "$SOURCE_DIR" ] && exit 1
SOURCE_DIR=`dirname -- "$SOURCE_DIR"`
SOURCE_DIR=`cd $SOURCE_DIR && cd .. && echo $PWD`

CONFIG_DEFAULTS="${SOURCE_DIR}/defaults"

# Find the leaf subdirectories in the defaults directory.
level1dirs=`ls "$CONFIG_DEFAULTS"`
for dname in $level1dirs; do
	l2dirs=`ls "$CONFIG_DEFAULTS"/"$dname"`
	havel2=
	for dn in $l2dirs; do
		if [ -d "$CONFIG_DEFAULTS/$dname/$dn" ]; then
			echo "$dname/$dn"
			havel2=true
		fi
	done
	if [ -z "$havel2" ]; then
		echo "$dname"
	fi
done