#!/bin/ksh

#

# CDDL HEADER START

#

# The contents of this file are subject to the terms of the

# Common Development and Distribution License (the "License").

# You may not use this file except in compliance with the License.

#

# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

# or http://www.opensolaris.org/os/licensing.

# See the License for the specific language governing permissions

# and limitations under the License.

#

# When distributing Covered Code, include this CDDL HEADER in each

# file and include the License file at usr/src/OPENSOLARIS.LICENSE.

# If applicable, add the following below this CDDL HEADER, with the

# fields enclosed by brackets "[]" replaced with your own identifying

# information: Portions Copyright [yyyy] [name of copyright owner]

#

# CDDL HEADER END

#

# Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

#

# clone a directory to another using symlinks, in a very clunky way

if [ $# != 2 ]; then

	echo "usage $0 srcdir destdir"

	exit 1

fi

srcdir=$1

destdir=$2

PATH=/usr/bin

echo symlink cloning $srcdir to $destdir

cd ${srcdir}

gfind . -type d | \

    grep -v '^.$' | \

    gsed -e 's,^\./,,' | \

    while read i;

do

	mkdir -p "${destdir}/$i"

done

# Copy files and symlinks, making sure we ignore the gnu-patch backup

# files, too.

gfind . -type f -o -type l | \

    egrep -v '~[0-9]+~' | \

    gsed -e 's,^\./,,' | \

    while read i;

do

	rm -f "${destdir}/$i"

	ln -s "${srcdir}/$i" "${destdir}/$i"

done