#! /bin/sh
#
#	$NetBSD: less2netbsd,v 1.4 2001/07/26 13:47:24 mrg Exp $
#
# Copyright (c) 1996 Matthew R. Green
# 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.
# 4. The name of the author may not be used to endorse or promote products
#    derived from this software without specific prior written permission.
#
# 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.

# less2netbsd:  convert a less source tree into a netbsd less source
# tree, under src/usr.bin/less ready for importing.

if [ $# -ne 2 ]; then echo "less2netbsd src dest"; exit 1; fi

r=$1
d=$2/less

case "$d" in
	/*)
		;;
	*)
		d=`/bin/pwd`/$d
		;;
esac

case "$r" in
	/*)
		;;
	*)
		r=`/bin/pwd`/$r
		;;
esac

echo preparing directory $d
rm -rf $d
mkdir -p $d; cd $d
mkdir -p src/usr.bin/less/less src/usr.bin/less/lesskey src/usr.bin/less/lessecho

### start less ###############################
cd $r
echo less:
src='INSTALL NEWS README acconfig.h brac.c ch.c charset.c cmd.h cmdbuf.c command.c decode.c defines.h edit.c filename.c forwback.c funcs.h help.c ifile.c input.c jump.c less.h less.nro lglob.h line.c linenum.c lsystem.c main.c mark.c optfunc.c option.c option.h opttbl.c os.c output.c pckeys.h position.c position.h prompt.c regexp.c regexp.h screen.c search.c signal.c tags.c ttyin.c version.c'

pax -rvw $src $d/src/usr.bin/less/less

cd $d/src/usr.bin/less/less
mv less.nro less.1

### end less ###############################

### start lesskey ###############################
cd $r
echo lesskey:
src='lesskey.c lesskey.h lesskey.nro'

pax -rvw $src $d/src/usr.bin/less/lesskey

cd $d/src/usr.bin/less/lesskey
mv lesskey.nro lesskey.1

### end lesskey ###############################

### start lessecho ###############################
cd $r
echo lessecho:
src='lessecho.c'

pax -rvw $src $d/src/usr.bin/less/lessecho

### end lesskey ###############################

find $d -name '*.[ch]' -print | while read c; do
	chmod u+w $c
	sed 1q < $c | grep '\$NetBSD' || (
cat <<'__eof_header'
/*	$NetBSD: less2netbsd,v 1.4 2001/07/26 13:47:24 mrg Exp $	*/

__eof_header
cat $c
	) > /tmp/l2n$$ && cp /tmp/l2n$$ $c && echo added RCS tags to $c
done

echo done
exit 0