#!/bin/bash
#
#  CONFIGURE -- Bootstrap the dynamic external package system by downloading
#  the repository manifest and creating a workable Makefile to be used for
#  install packages and updates.  This script only needs to be run once
#  after the system is installed, thereafter the 'make' commands are used.
#  See the README file for details.


clean=1
irafdir=`pwd`/../util


# Process cmdline flags.
while [ -n "$1" ]; do
   case "$1" in
   "-noclean")                      # clean all package sources
      set clean = 0
      ;;
   *)
      break
      ;;
   esac

   shift
done



/bin/echo "Initializing repository data ...."
$irafdir/pkginit				# init repository information


# Create the template Makefile.
/bin/echo "Creating system makefile ...."
cat << MAKE_TEMP_END		> Makefile
#
#  Makefile for IRAF external package installation/maintenance.
#
# ---------------------------------------------------------------------------

# Compiler Flags.

RELEASE		= v2.16
        
all:: update

# Update recent changes from the repository.
update::
	@./configure -noclean
	@../util/pkgupdate -all

# Install all available packages for this platform.
install_all::
	@../util/pkgall

# List packages available on the repository.
list::
	@cat .repo_pkgs

# Clean the IRAF tree of binaries for the currently configured arch.
init::
	@../util/pkgclean -init

# Remove all package code but leave the structure in place.
clean::
	@../util/pkgclean -all

# Restore the dynamic package directory to its distribution state.
distclean::
	@../util/pkgclean -init

# Check to see which installed packages could be updated.
check::
	@../util/pkgupdate -list

# Update recent changes from the repository.
self_update::
	@../util/pkgupdate -self
	@./configure -noclean

# Update recent changes from the repository.
config_update::
	@../util/pkgupdate -config


MAKE_TEMP_END

echo "Setup Complete."



# For each package we have, append a makefile entry.
files=`cat .repo_pkgs`
for p in ${files[@]}; do

   # Create template makefile entries for each package
   /bin/echo "${p}::"						>> Makefile
   /bin/echo "	@../util/pkginst $p"				>> Makefile
   /bin/echo "clean_${p}::"					>> Makefile
   /bin/echo "	@../util/pkgclean $p"				>> Makefile
   /bin/echo "update_${p}::"					>> Makefile
   /bin/echo "	@../util/pkgupdate $p"				>> Makefile
   /bin/echo ""							>> Makefile

   # Create the directory
   if [ -e "$p" ]; then
	if (( $clean==1 )); then
	    /bin/rm -rf $p
	fi
   else
       mkdir $p
   fi
done

if (( $clean==0 )); then
    exit 0
fi


/bin/echo ""
/bin/echo ""
/bin/echo "    To install packages, use 'ls' to list the currently available"
/bin/echo "    packages from the IRAF repository.  For each package you wish"
/bin/echo "    to install, use the command:"
/bin/echo ""
/bin/echo "      make <pkg>"
/bin/echo ""
/bin/echo "    The package will be loaded dynamically the next time you start"
/bin/echo "    the CL session."
/bin/echo ""
/bin/echo "    Use the commmands:"
/bin/echo ""
/bin/echo "      make update	# to update pkgs to the latest repository version"
/bin/echo "      make check	# to list available updates"
/bin/echo "      make clean	# to delete installed all packages"
/bin/echo "      make init    	# restore to pre-configure state"
/bin/echo "      make <pkg>	# to force a re-install of named <pkg>"
/bin/echo ""
/bin/echo ""

exit 0