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#!/bin/sh
# $NetBSD: printindex,v 1.17 2005/11/05 14:01:07 rillig Exp $
#
#
# Copyright (c) 2001 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by
#
# 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.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#        This product includes software developed by the NetBSD
#        Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
#    contributors may be used to endorse or promote products derived
#    from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``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 FOUNDATION OR CONTRIBUTORS
# 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.
#


# Generate package index.  If an argument is given, use it as a file name
# to contain any failure messages in each package directory.
#
# generates a pkgsrc directory <-> package name database.  eg.
#              foo/bar  bar-2.0
#              foo/baz  baz-1.0.1
#
# Start in $USR_PKGSRC.
#

set -e

case $# in
0)	brokenfile="/dev/null"
	;;
1)	brokenfile="$1"
	;;
*)	echo "usage: $0 [brokenfile]" 1>&2
	exit 1
	;;
esac

case ${BMAKE-""} in "")
	echo "$0: error: BMAKE must be set." 1>&2
	exit 1;;
esac

# $USR_PKGSRC
cwd="${PWD}"

# get some initial variables
cd "${cwd}/pkgtools/pkglint"
BULK_PREREQ=`${BMAKE} show-var VARNAME=BULK_PREREQ`
GREP=`${BMAKE} show-var VARNAME=GREP USE_TOOLS=grep`
SED=`${BMAKE} show-var VARNAME=SED USE_TOOLS=sed`
cd "${cwd}"

if [ -r "${cwd}/.pkglist" ]; then
	. "${cwd}/.pkglist"
else
	# fall back to all packages.
	list=`${GREP} '^[[:space:]]*'SUBDIR */Makefile | ${SED} 's,/Makefile.*=[[:space:]]*,/,'`
fi

done_pkgs=""
detect_duplicates=no
for pkgdir in $list :detect_duplicates: $BULK_PREREQ; do

	case $pkgdir in :detect_duplicates:)
		detect_duplicates=yes
		continue;;
	esac
	case $detect_duplicates in yes)
		case $done_pkgs in *=${pkgdir}=*)
			continue;;
		esac;;
	esac
	
	if cd "${cwd}/${pkgdir}"; then
		if pkgname=`${BMAKE} show-var VARNAME=PKGNAME`; then
			echo "${pkgdir}	${pkgname}"
			done_pkgs="${done_pkgs} =${pkgdir}="
		else
			echo "$0: error: could not extract PKGNAME for ${pkgdir} -- skipping." 1>&2
			{ echo "===> ${BMAKE} show-var VARNAME=PKGNAME failed"
			  cd "${cwd}/${pkgdir}" && ${BMAKE} show-var VARNAME=PKGNAME || true
			} >> "${brokenfile}" 2>&1
		fi
	fi
done