#!/bin/csh -f
#
#  Octtools pre-installation uncompress-untar script.
#
###############################################################################
#                                                                             #
# Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993                            #
# The Regents of the University of California.  All rights reserved.          #
#                                                                             #
# Permission to use, copy, modify, and distribute this software and its       #
# documentation for any purpose, without fee, and without written agreement   #
# is hereby granted, provided that the above copyright notice and the         #
# following two paragraphs appear in all copies of this software.             #
#                                                                             #
# IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR   #
# DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT #
# OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY   #
# OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.           #
#                                                                             #
# THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,         #
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY    #
# AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS   #
# ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO  #
# PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.      #
#                                                                             #
###############################################################################

echo "PREINSTALL: Octtools 5.2 installation setup script." 

if ( $#argv != 1 ) then
	echo "usage: PREINSTALL [keep|remove]"
	echo "  keep - keep compressed archives"
	echo "  remove - remove compressed archives after use"
	echo "  (useful if space is tight)"
	exit 1
endif

if ( $1 == "keep" ) then
    set spaceIsTight = 0
else if ( $1 == "remove" ) then
    set spaceIsTight = 1
else 
    echo "usage: PREINSTALL [keep|remove]"
    echo "  keep - keep compressed archives"
    echo "  remove - remove compressed archives after use"
    exit 1
endif

if ( -e OCT5.2.base.tar.gz && ! -e checksum.tmp && `ARCHITECTURE` != hpux ) then
    echo "  Verifying checksums ..." 
    sum *5.2*.gz > checksum.tmp
#   HP checksums are unavailable
#    if ( `ARCHITECTURE` == hpux ) then
#	set checkname = CHECKSUMS.hp
#    else
	set checkname = CHECKSUMS
#    endif
    diff checksum.tmp $checkname
    if ( $status ) then 
	echo "    Warning: checksum error."
	echo "    Your version of the distribution may be corrupted."
    else
	echo "    ... checksums are OK."
    endif
endif

echo
echo "  Unfolding Octtools 5.2..."

foreach part ( OCT5.2*.gz )
    echo "--- Unfolding $part ..."
    gzcat $part | tar xf -
#    if ( ! $status ) then
#	echo
#	echo "----- ** Unfolding of $part may have failed. **"
#	echo
#    endif
    if ( $status && $spaceIsTight ) then
	echo $B "----- Removing $part ..."
        \rm $part
    endif
    echo "----- $part done."
end

mkdir archive
mv sis* archive
mv spice* archive

echo 
echo 
echo "--- If you want the optional parts of the release,"
foreach i ( OPT* )
    echo "---              $i"
end
echo "--- you can unfold them by hand with: gzcat [optional part] | tar xf -"
echo
echo "Note that non Oct-based tools are available in the archive directory."
echo
echo "PREINSTALL is done; now you can run INSTALL." 
echo
echo "  Remember to set the environment variable OCTTOOLS in your .cshrc file"
echo "    with a line of the form:"
echo "        setenv OCTTOOLS $cwd/`ARCHITECTURE`"
echo