#!/bin/bash

while (( "$#" )); do

echo $1

cat > message  <<EOF
/*************************************************************************************

Grid physics library, www.github.com/paboyle/Grid 

Source file: $1

Copyright (C) 2015-2019

EOF

git log $1 | grep Author > gitauth
grep 'Author: '  $1 > fileauth

cat gitauth fileauth | sort -u >> message

rm gitauth fileauth

cat >> message <<EOF

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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

See the full license in the file "LICENSE" in the top level distribution directory
*************************************************************************************/
/*  END LEGAL */
EOF


cat message > tmp.fil

NOTICE=`grep -n "END LEGAL" $1 | awk '{ print $1 }'  `

if [ "X$NOTICE" != "X" ]
then
    echo "found notice ending on line $NOTICE"
    awk 'BEGIN { P=0 } { if ( P ) print } /END LEGAL/{P=1} ' $1 >> tmp.fil
else
    cat $1 >> tmp.fil
      
fi


cp tmp.fil $1

shift

done

rm message tmp.fil
