#! /bin/sh
#
#	$NetBSD: rcs2netbsd,v 1.1 2016/01/14 04:22:38 christos Exp $
#
# Copyright (c) 2016 The NetBSD Foundation, Inc.
# 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.
#
# 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.
#
# rcs2netbsd:  convert an glibc source tree into a
# netbsd rcs source tree, 
#
# Rough instructions for importing new rcs release:
#
#	$ cd /some/where/temporary
#	$ tar xpfz /malloc/release/tar/file
#	$ sh /usr/src/external/gpl2/rcs/rcs2netbsd malloc `pwd`
#	$ cd `pwd`/src/external/gpl2/rcs/dist
#	$ cvs import -m "Import rcs rcs x.y" src/external/gpl2/rcs/dist FSF rcs-x-y
# merge sources according to instructions given
# e.g. cvs -d cvs.netbsd.org:/cvsroot checkout -jrcs-1-19 -jrcs-1-19-1 src/gnu/dist/rcs

if [ $# -ne 2 ]; then echo "rcs2netbsd src dest"; exit 1; fi

r=$1
d=$2/src/external/gpl2/rcs/dist

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

### Copy the files and directories
echo copying $r to $d
cd $r
pax -rw * $d
chmod -x $d/*

# cd to import directory
cd $d

#

### Remove the $'s around RCS tags
cleantags $d

### Add our NetBSD RCS Id
find $d -type f -name '*.[chly]' -print | while read c; do
	sed 1q < $c | grep -q '\$NetBSD' || (
echo "/*	\$NetBSD\$	*/" >/tmp/rcs3n$$
echo "" >>/tmp/rcs3n$$
cat $c  >> /tmp/rcs3n$$
mv /tmp/rcs3n$$ $c && echo added NetBSD RCS tag to $c
	)
done

find $d -type f -name '*.cpp' -print | while read c; do
	sed 1q < $c | grep -q '\$NetBSD' || (
echo "/*	\$NetBSD\$	*/" >/tmp/rcs3n$$
echo "" >>/tmp/rcs3n$$
cat $c  >> /tmp/rcs3n$$
mv /tmp/rcs3n$$ $c && echo added NetBSD RCS tag to $c
	)
done

find $d -type f -name '*.[0-9]' -print | while read m; do
	sed 1q < $m | grep -q '\$NetBSD' || (
echo ".\\\"	\$NetBSD\$" >/tmp/rcs2m$$
echo ".\\\"" >>/tmp/rcs2m$$
cat $m >> /tmp/rcs2m$$
mv /tmp/rcs2m$$ $m && echo added NetBSD RCS tag to $m
	)
done

find $d -type f -name '*.texi' -print | while read t; do
        sed "2 s/^/@c \$NetBSD\$\\
/" < $t > /tmp/rcs4t$$
	mv /tmp/rcs4t$$ $t && echo added NetBSD RCS tag to $t
done

echo done

### Clean up any CVS directories that might be around.
echo "cleaning up CVS residue."
(
	cd $d
	find . -type d -name "CVS" -print | xargs rm -r
)
echo done

### Fixing file and directory permissions.
echo "Fixing file/directory permissions."
(
	cd $d
	find . -type f -print | xargs chmod u+rw,go+r
	find . -type d -print | xargs chmod u+rwx,go+rx
)
echo done

exit 0