#!/bin/csh -f
echo '################################################################'
echo '                   user-dstool installation script'
echo ''       
echo '                         Cornell University '
echo '                   Center for Applied Mathematics '
echo '################################################################'
echo ''
#
# step 1:  check for the proper environment variables
#          ( DSTOOL, OPENWINHOME )  
#
set stop_switch = 0

set current_dir = $cwd
cd ..
set head_dir = $cwd

echo ' '
echo ' This script installs a new local copy of the basic user-dstool directory'
echo ' in accordance with instructions by the user.  For more information about'
echo ' the dstool multi-user configuration, consult the dstool installation manual.'
echo ' '

echo ' '
echo The installation of the user-dstool directory depends on the
echo environment variable DSTOOL.  You MUST have DSTOOL defined to
echo proceed with the program installation.
echo ' '
while( $stop_switch == 0 )
    if (${?DSTOOL}) then
       echo Currently, DSTOOL is set to the path:
       echo "            "$DSTOOL
       echo Do you want to proceed with this path to the main dstool installation"?":
       echo -n "(yes or no): "; set ans = $<
       if ( $ans == "" || $ans == yes || $ans == y || $ans == YES || $ans == Y) then
	 set reminder = 0
         set stop_switch  = 1
       else 
	 echo ' '
         echo Do you want to quit the installation program, or define a new
         echo directory for dstool installation"?"
         echo -n "(quit or continue): "; set ans = $<
         if ( $ans == "" || $ans =~ [qQ]* ) then 
	   echo The installation script is terminated.
           exit(0)
         else
	   echo ' '
	   echo -n "Enter path to installation directory: "; set pathquery = $<
	   setenv  DSTOOL $pathquery
         endif
       endif
    else
       echo Currently, DSTOOL has NOT been set.  Do you want to temporarily
       echo set this environment variable for the purpose of installing the
       echo dstool program"?"
       echo -n "(yes or no): "; set ans = $<
       if ( $ans == "" || $ans =~ [yY]* ) then
         echo ' ' 
         echo -n "Enter path to installation directory: "; set pathquery = $<
	 setenv  DSTOOL pathquery
       else
	 echo The installation script is terminated.
	 exit(0)
       endif
    endif
    echo ' ' 
end

set stop_switch = 0
echo -n "Input the full destination path for the user-dstool directory: "; set new_dir = $<

while( $stop_switch == 0 )
  if (${?new_dir}) then
     echo Currently, the new user-dstool directory will be installed in:
     echo "            "$new_dir
     echo Do you want to proceed to install the user-dstool files in $new_dir"?":
     echo -n "(yes or no): "; set ans = $<
     if ( $ans == "" || $ans == yes || $ans == y || $ans == YES || $ans == Y) then
        set reminder = 0
        set stop_switch  = 1
     else 
        echo ' '
        echo Do you want to quit the installation program, or define a new
        echo directory for user-dstool installation"?"
        echo -n "(quit or continue): "; set ans = $<
        if ( $ans == "" || $ans =~ [qQ]* ) then
	  echo The installation script is terminated.
          exit(0)
        else
	  echo ' '
	  echo -n "Enter path to installation directory: "; set new_dir = $<
        endif
     endif
end

if( -e $new_dir != 1 ) then
  echo 'The new user-dstool directory does not exist.  Shall I create it now?'
  echo -n "(yes or no): "; set ans = $<
  if ( $ans == "" || $ans =~ [yY]* ) then
     mkdir $new_dir
  else 
     echo The installation script is terminated.
     exit(0)
  endif
endif

cd $new_dir
cp $DSTOOL/site_specific/user_dstool_arc.Z .
uncompress user_dstool_arc.Z
tar -xvf user_dstool_arc 
\rm -f user_dstool_arc

grep '^USING_FORT' $DSTOOL/site_specific/lib_incl.mk > /dev/null
if ($status == 0) then
	set using_fortran = 1
else
	set using_fortran = 0
endif

grep '^USING_TCL' $DSTOOL/site_specific/lib_incl.mk > /dev/null
if ($status == 0) then
	set using_tcl = 1
else
	set using_tcl = 0
endif

grep '^USING_PVM' $DSTOOL/site_specific/lib_incl.mk > /dev/null
if ($status == 0) then
	set using_pvm = 1
else
	set using_pvm = 0
endif

unalias cp

if ( ($using_tcl == 0) || ($using_fortran == 0) || ($using_pvm == 0) ) then
	cp $new_dir/Makefile $new_dir/Makefile.orig
endif

if ($using_fortran == 0) then
	$DSTOOL/install/fix_for_no_fortran $DSTOOL $new_dir install_dsuser
endif

if ($using_tcl == 0) then
	$DSTOOL/install/fix_for_no_tcl $DSTOOL $new_dir install_dsuser
endif

if ($using_pvm == 0) then
	$DSTOOL/install/fix_for_no_pvm $DSTOOL $new_dir install_dsuser
endif

echo ' '
echo The installation of the user-dstool files in $new_dir is complete.