#! /bin/sh

# $NetBSD: genraidconf.sh,v 1.5 2011/05/19 00:24:22 agc Exp $

# Copyright (c) 2016 Alistair Crooks <agc@NetBSD.org>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# 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.
#

revsort=""
args=$(getopt "rv" $*)
set -- $args
while [ $# -gt 0 ]; do
	case "$1" in
	-r)	revsort="-r" ;;
	-v)	set -x ;;
	*)	break;
	esac
	shift
done

for p in $(pkg_info -a | awk '{print $1}'); do
	pkg_info -qL $p | \
		xargs du -sck 2>/dev/null | \
		awk -v p=$p '$2 == "total" { print ($1 * 1024) " " p }'
done | awk '
BEGIN {
	n = 1; sufs = " KMGT";
	for (i = 1 ; i <= length(sufs) ; i++) {
		muls[i] = n;
		n *= 1024
	}
}
{
	h = "0"
	for (i = length(sufs) ; i > 0 ; --i) {
		if ($1 > muls[i]) {
			h = sprintf("%d%s", $1 / muls[i], substr(sufs, i, 1))
			break
		}
	}
	print $1 " " h " " $2
}' | sort -n ${revsort} | awk '{ print $2 "\t" $3 }'