#!/bin/sh
#
#    Copyright (C) 2012  Ryan Houlgate <rhoulgate@member.fsf.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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
#

VERSION=1

. ./config


# Need to remove an 'option' in the XML file.
# It extends for five lines, so we will comment
# them out.
xmlFileName=workarounds/workarounds.xml.in
xmlStringToLookFor=fglrx_xgl_fix
xmlSkipLines=4

cat $xmlFileName | while read line; do

   if (echo $line|grep $xmlStringToLookFor>/dev/null); then
       echo "<!-- Removing recommendation to use non-free software"
       echo "$line"
       count=0

       while [ "$count" -lt "$xmlSkipLines" ] ; do
          count=`expr $count + 1`;
          read line
          echo "$line"
       done

       echo "-->"
   else
       echo "$line"
   fi

done  > $xmlFileName.tmp 
mv $xmlFileName.tmp $xmlFileName

# The C++ code calls methods that appear to be based
# on the part of the XML file that we removed. 
# There is a method that returns a boolean to
# indicate whether or not this feature should
# be exhibited. I've created a dummy method 
# that always returns false for that.
# It's declared as "extern" in the "*.h" file.
# It's defined at the end of the "*.cpp" file.
# There is another call to a related method.
# I just comment out that call.
cppFileName=workarounds/src/workarounds.cpp
cppStringToLookFor=optionSetFglrxXglFixNotify
cppSkipLines=2


cat $cppFileName | while read line; do

   if (echo $line|grep $cppStringToLookFor>/dev/null); then
       echo "/**************** Removing recommendation to use non-free software"
       echo "$line"
       count=0

       while [ "$count" -lt "$cppSkipLines" ] ; do
          count=`expr $count + 1`;
          read line
          echo "$line"
       done

       echo "****************/"
   else
       echo "$line"
   fi

done  > $cppFileName.tmp 
mv $cppFileName.tmp $cppFileName


# Create declaration of method in the *.h file
echo "extern bool optionGetFglrxXglFix();" >> workarounds/src/workarounds.h

# Create definition of method in the *.cpp file
echo "// Providing dummy method to always return false due to the removal" >> workarounds/src/workarounds.cpp
echo "// of non-free software recommendation" >> workarounds/src/workarounds.cpp
echo "bool optionGetFglrxXglFix() { return false; }" >> workarounds/src/workarounds.cpp

changelog "Remove recomendation to use fglrx (non-free software)"

compile