#! /bin/sh
#
#	$NetBSD: pkglocate,v 1.10 2010/11/11 19:56:34 agc Exp $
#
#-
# Copyright (c) 2000 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Alistair G. Crooks.
#
# 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.
#
# Locate words in description, or files in the PLISTs
#
# [-i] ignore case when searching
# [-f] look for a file, rather than a word or phrase
# [-p] use approximate matching
# [-v] be verbose
#
# Usage: pkglocate [-i] [-p] [-f] [-v] word

#set -x

PATH=${PATH}:/usr/sbin

case `pkg_info -e 'glimpse-*'` in
glimpse-*)	grepname=agrep ;;
*)		grepname=grep ;;
esac

approx=""
igncase=""
verbose=no
files='*/DESCR'
while [ $# -gt 1 ]; do
	case $1 in
	-i)	igncase="-i" ;;
	-f)	files='*/PLIST*' ;;
	-p)	if [ "$grepname" = "agrep" ]; then approx="-p"; fi ;;
	-v)	verbose=yes ;;
	*)	break ;;
	esac
	shift
done

if [ "$verbose" = "yes" ]; then
	echo "===> Using $grepname to find matches"
fi

# do we need to show the help message?
showhelp=false
case "$1" in
--help)
	showhelp=true
	;;
esac
if [ $# -lt 1 ]; then
	showhelp=true
fi

if $showhelp; then
	echo "Usage: pkglocate [-i] [-f] [-p] [-v] word"
	echo "       [-i] ignore case when searching"
	echo "       [-f] look for a file, rather than a word or phrase"
	printf "       [-p]"
	if [ "$grepname" != "agrep" ]; then
		printf " (NOT AVAILABLE - needs glimpse package installed)"
	fi
	echo " use approximate matching"
	echo "       [-v] be verbose"
	exit 1
fi

for d in *; do
	if [ ! -f $d/Makefile ]; then
		# not a valid directory
		continue
	fi
	if [ "$verbose" = "yes" ]; then
		echo "===> Searching category $d"
	fi
	$grepname $approx $igncase "$@" $d/$files
done

exit 0