#!/bin/csh -f
#
# Installs Modula-2* tree
#
# Syntax:  ipdm2s-install <VERSION> [<DIRECTORY> [<ARCH>]]
#
# Parameters: 	1) Version number
#		2) Target directory for Modula-2*	(default: './')
#		3) required architecture		(default: determined)
#
# Stefan Haenssgen & Thomas Gauweiler  7-Apr-94
#
# Changes:
#
# 15-jan-93	Created					[SH&TG]
# 28-jan-93	.mspath file added			[TG]
# 16-jun-93	/tmp_mnt eliminated			[TG]
# 15-nov-93	architecture and others			[TG]
# 11-jan-94	version stamp				[TG]
# 01-apr-94	changed to ipd-version			[TG]
# 02-may-94	uses ipdm2s.$VERSION.$ARCH.gz file, too	[TG]
#

set MM_SED='sed -e s|/amd/|/|g -e s|/export/|/|g -e s|/tmp_mnt/|/|g'

#
# determine machine architecture (what type of machine we're on!)
# by examining return values of "uname", "arch", or "machine"
#

if (-x /bin/uname || -x /usr/bin/uname) then
    set SRC_ARCH=`uname -m`
else if (-x /bin/arch || -x /usr/bin/arch) then
    set SRC_ARCH=`arch`
else if (-x /bin/machine || -x /usr/bin/machine) then
    set SRC_ARCH=`machine`
endif

if (! $?SRC_ARCH) then			# could architecture not be determined ?
    echo 'Error: could not determine source architecture'
#    exit 2
else if ("$SRC_ARCH" =~ sun4*) then	# SparcStation
    set SRC_ARCH="SUN4"
else if ("$SRC_ARCH" =~ sun3*) then	# Sun-3 with 680x0 CPU
    set SRC_ARCH="SUN3"
else if ("$SRC_ARCH" =~ i?86*) then	# 386/486/Pentium PC
    set SRC_ARCH="I386"
    if (-x /bin/uname || -x /usr/bin/uname) then
        if ("`uname -s`" =~ *Linux*) then
            set SRC_ARCH="LINX"         # Linux
        endif
    endif
else if ("$SRC_ARCH" =~ ksr?*) then	# KSR-1 or KSR-2
    set SRC_ARCH="KSRP"
else if ("$SRC_ARCH" =~ RISC* || "$SRC_ARCH" =~ mips*) then
    if ("`uname -v`" =~ *MP*) then	# MasPar frontend if ..
        set SRC_ARCH="MASP"   		# DECStation and version *MP*
    else
        set SRC_ARCH="MIPS"		# else plain DECStation
    endif
else
    echo 'Error: unknown source architecture "'$SRC_ARCH'"'
    exit 9
endif

#
# check for parameters
#
if ($1 == "") then
    echo 'usage:    ipdm2s-install <VERSION> [<DIRECTORY> [<ARCH>]]'
    echo ''
    echo '          default <DIRECTORY> is ./'
    echo '          default <ARCH> is automagically determined'
    echo ''
    echo 'example:  ipdm2s-install 9401 ./ SUN4'
    exit 1
else
    set VERSION=$1
endif
if ($2 == "") then
    set MSDIR="./"
    set ARCH=$SRC_ARCH
else
    set MSDIR=$2
endif
if ($3 == "") then
    set ARCH=$SRC_ARCH
else
    set ARCH=$3
endif

#
# check if source & target exist and are accessible
#
if ( ! -r ipdm2s.$VERSION.$ARCH.tgz ) then
    if ( -r ipdm2s.$VERSION.$ARCH.gz ) then
        mv ipdm2s.$VERSION.$ARCH.gz ipdm2s.$VERSION.$ARCH.tgz
    else
        echo 'Error: cannot access file "ipdm2s.'$VERSION.$ARCH'.tgz"'
        exit 2
    endif
endif
if ( ! -d $MSDIR) then
    echo 'Error: target directory must already exist.'
    exit 3
endif
if ( ! -w $MSDIR) then
    echo 'Error: cannot write to target directory.'
    exit 4
endif

#
# determine the paths
#

set PWD_DIR=`pwd`
cd $MSDIR
set MSDIR=`pwd | $MM_SED`

#
# extract it
#

echo ''
echo '*****'
echo '*****  IPD Modula-2* Installation Script'
echo '*****'
echo ''
echo 'Extracting from "'ipdm2s.$VERSION.$ARCH.tgz'" to "'$MSDIR'"'
echo ''
gunzip < $PWD_DIR/ipdm2s.$VERSION.$ARCH.tgz | tar xvf -
echo ''

echo 'Installation directory = "'$MSDIR'"'
echo $MSDIR/lib >.mspath
echo ''

echo "Configuring the Modula-2* driver scripts ..."
sed  -e "s|_MSC_HOME_|$MSDIR|"			\
     <gen/driver.gen >bin/mm

#
# make scripts and binaries executable
#

chmod ugo+x bin/$ARCH/*.$ARCH
chmod ugo+x bin/mm
chmod ugo+x bin/liball
chmod ugo+x bin/msproj
chmod ugo+x bin/newarch

echo "Creating several symbolic links ..."
cd bin
if (-e mmclean) then
  rm -f mmclean
  rm -f msdel
  rm -f msmake
  rm -f msrun
  rm -f msrm
  rm -f xmsp
endif
ln -s mm mmclean
ln -s mm msdel
ln -s mm msmake
ln -s mm msrun
ln -s mm msrm
ln -s mm xmsp
cd ..

#
# create example project directory
#

echo 'Creating example project directory ...'
cd examples
../bin/msproj $ARCH
cd ..
echo ''

#
# create the documentation
#

if ( ! -r $PWD_DIR/ipdm2s.doc.tar ) then
  echo 'Information: no documentation archive found ...'
else
  echo 'Extracting compressed documents from documentation archive ...'
  echo ''
  tar xvf $PWD_DIR/ipdm2s.doc.tar
  cd doc
  echo ''
  echo 'Uncompressing the IPD Modula-2* manual ...'
  gunzip ipdm2s.manual.gz
  cd ..
endif

#
# change write permissions of extracted & generated files
#

echo 'Changing write permissions of extracted files and directories ...'
chmod    go-w .mspath Xmsp architectures
chmod -R go-w bin/ doc/ emacs/ examples/ gen/ lib/
echo ''

#
# registration
#

echo 'Do you want to register your installation now (y/n) ?'
set answer=$<
if ( "$answer" =~ y* || "$answer" =~ Y* ) then
  if ( ! -d doc) then
    mkdir doc
  endif

  echo 'Please enter your complete email address: '
  set email=$<
  set date=`date`
  sed  -e "s|_USER_|$USER|" -e "s|_EMAIL_|$email|"	\
       -e "s|_VER_|$VERSION|" -e "s|_ARCH_|$ARCH|"	\
       -e "s|_DATE_|$date|" -e "s|_ARCH_|$ARCH|"	\
     <gen/registration.gen >doc/registration
  chmod go-w doc/registration

  echo ''
  cat doc/registration
  echo 'Do you really want to send this message (y/n) ?'
  set sendanswer=$<
  if ( "$sendanswer" =~ y* || "$sendanswer" =~ Y* ) then
    echo ''
    if (-x /usr/lib/sendmail) then
      /usr/lib/sendmail -t <doc/registration
      echo 'Okay, registration mail sent.'
    else if (-x `which mail`) then
      mail ipdm2s@ira.uka.de <doc/registration
      echo 'Okay, registration mail sent.'
    else
      echo 'Sorry, could not find "sendmail" or "mail" programs.'
    endif
  endif
endif
echo ''

#
# return
#

echo 'Please add "'$MSDIR/bin'" to your PATH variable.'
cd $PWD_DIR
echo ''