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Remove clauses 3,4 from TNF-only copyright blocks.

This is based on the decision The NetBSD Foundation made in 2008 to
do so, which was already applied to src.

This change has been applied to code which is likely not in other
repositories.

ok board@, reviewed by riastradh@

#! /bin/sh
#
#	$NetBSD: pkglocate,v 1.11 2018/08/22 20:48:36 maya 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.
#
# 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