#!/bin/sh

[ "$#" != "1" ] && \
echo -e "Add/remove GPL header.\nusage: gpl (add|remove)" && \
exit 1

if [ "$1" = "add" ]; then
  echo "Adding GPL header to AspectC++ source files."

  FILES=`find . -maxdepth 1 \( -name "*.cc" -or -name "*.*h" \)`

  for file in $FILES; do
    cat <<EOF>> $file.t
// This file is part of the AspectC++ compiler 'ac++'.
// Copyright (C) 1999-2003  The 'ac++' developers (see aspectc.org)
//                                                                
// This program is free software;  you can redistribute it and/or 
// modify it under the terms of the GNU General Public License as 
// published by the Free Software Foundation; either version 2 of 
// the License, or (at your option) any later version.            
//                                                                
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of 
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  
// GNU General Public License for more details.                   
//                                                                
// You should have received a copy of the GNU General Public      
// License along with this program; if not, write to the Free     
// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
// MA  02111-1307  USA                                            

EOF
    cat $file >> $file.t
    mv $file.t $file
  done
else
  echo "Removing GPL header from AspectC++ source files."

  FILES=`find . -maxdepth 1 \( -name "*.cc" -or -name "*.*h" \) \
         -exec grep -l "// This file is part of the AspectC++" \{} \;`
	 
  for file in $FILES; do
    ex -s "+d18" "+:x" $file
  done
fi