#!/bin/sh
#
#	$NetBSD: less2netbsd,v 1.5 2011/07/03 23:25:01 tron Exp $
#
# Copyright (c) 2011 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Matthias Scheler.
#
# 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.
#

# less2netbsd:
# Prepare a less source tree for import into the NetBSD source repository.

PROGNAME=$(basename "$0")
if [ $# -ne 1 ]
then
	echo "Usage: $PROGNAME <dir>" >&2
	exit 1
fi
DIRNAME="$1"

# Change to the source directory.
if [ -d "$DIRNAME" ] && cd "$DIRNAME"
then
	:
else
	echo "${PROGNAME}: cannot access directory \"$DIRNAME\"." >&2
	exit
fi

# Check whether the source directory looks sane.
CHECK_FILES="LICENSE configure less.h version.c"
for FILENAME in $CHECK_FILES
do
	if [ ! -f "$FILENAME" ]
	then
		echo "${PROGNAME}: less distribution incomplete." >&2
		exit
	fi
done

# Check whether the "configure" was run.
REQUIRED_HEADERS=defines.h
for FILENAME in $REQUIRED_HEADERS
do
	if [ ! -f "$FILENAME" ]
	then
		echo "${PROGNAME}: Please run \"./configure\"." >&2
		exit
	fi
done

# Fix the permissions.
find . -type d -print0 | xargs -0 chmod 755
find . -type f -print0 | xargs -0 chmod 644
chmod 755 configure

# Remove files generated by "configure".
REMOVE_FILES="Makefile config.log config.status configure.lineno"
rm -f $REMOVE_FILES

# Add NetBSD RCS Ids.
find . -type f -name "*.[ch]" -print |
while read FILENAME
do
	if ! grep -q '\$NetBSD' "$FILENAME"
	then
		NEW_FILENAME="${FILENAME}.new"
		rm -f "${NEW_FILENAME}"
		(echo "/*	\$NetBSD\$	*/"
		 echo ""
		 cat "$FILENAME") >"${NEW_FILENAME}"
		mv -f "${NEW_FILENAME}" "$FILENAME"
	fi
done

# Remove formatted manual pages.
find . -type f -name "*.man" -delete

# Rename unformatted manual pages.
find . -type f -name "*.nro" -print |
while read FILENAME
do
	mv "$FILENAME" "${FILENAME%.nro}.1"
done

# Determine the version number.
VERSION=$(sed -n -e 's#char version\[\] = "\(.*\)";#\1#p' version.c)

# Print out information for the import.
cat <<EOF
You can import now.

Path:		src/external/bsd/less/dist
Vendortag:	GREENWOODSOFTWARE
Releasetag:	LESS-$VERSION
EOF

exit 0