1#! /bin/sh
2# ex:ts=8
3
4# Copyright (c) 2003 David E. O'Brien
5# All rights reserved.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29
30# Creates an INDEX file suitable for an ISO distribution image from a master
31# INDEX file.  The generated INDEX file contains only the packages in the
32# supplied directory.
33
34case $# in
35	3) PKG_EXT="tbz" ;;
36	4) PKG_EXT=$4 ;;
37	*)
38	echo `basename $0` "<master index file> <output index file> <pkg dir> [pkg ext]"
39	exit 1
40	;;
41esac
42
43PKG_LIST=$(basename `ls $3/*.${PKG_EXT}` | sed -e "s/\.${PKG_EXT}$//")
44REGEX=$(echo ${PKG_LIST} | sed \
45	-e 's/ /|/g' \
46	-e 's/\./\\\./g' \
47	-e 's/\+/\\\+/g' \
48	-e 's/\^/\\\^/g')
49
50egrep "^(${REGEX})" $1 > $2
51
52if [ $(echo ${PKG_LIST} | wc -w) != $(wc -l < $2) ]; then
53	echo "ERROR: some packages not found in $1"
54	exit 1
55else
56	exit 0
57fi
58