#!/bin/sh
#
# install.sh
#
# Uninstall packages necessary for AG2.  This script uninstalls all
# the packages for AG 2.1.2
#
# Note:  It currently makes no effort to handle failures!
#
# 
#

#
# Define RPMS
# To update this script to install newer versions of packages
# change the variables defined here
#
export WXWINDOWS="wxGTK"
export WXWINDOWS_VER="2.4.0-1"
export LOGGING="logging"
export LOGGING_VER="0.4.7-2"
export PYOPENSSL="pyOpenSSL_AG"
export PYOPENSSL_VER="0.5.1-3"
export GPT="gpt"
export GPT_VER="1.0-2"
export GLOBUS="globus-accessgrid"
export GLOBUS_VER="2.0-2"
export PYGLOBUS="pyGlobus"
export PYGLOBUS_VER="cvs-10"

export AGRAT="AccessGrid-rat"
export AGRAT_VER="4.2.22-3"
export AGVIC="AccessGrid-vic"
export AGVIC_VER="2.8ucl1.1.3-3"

export AG="
AccessGrid-BridgeServer
AccessGrid-VenueClient
AccessGrid-VenueServer
AccessGrid"
export AG_VER="2.1.2-12"
 

#################################################################
# UnInstall processing begins here
#################################################################

#
# UnInstall the specified package and version
# 
# - existing packages are not installed
# - downrev packages are freshened
# - non-existent packages are installed
UnInstall() 
{
  export package="$1"
  export package_ver="$2"
  export rpm_opts="$3"
  export package_rpm="$package-$package_ver.i386.rpm"

  rpm -q --quiet $package
  if [ $? -eq 0 ] ; then
       rpm -e $package-$package_ver
  else
      echo "Package not installed:" $package-$package_ver
  fi
}

#
# Inform user what will be done and prompt to continue
#
echo "This script completely uninstalls the necessary RPMS for the " 
echo "Access Grid software, with the exception of python.  "
echo ""
echo "Continue?"
read response
if [ "$response" != 'y' ] && [ "$response" != "Y" ]
then
   exit
fi

#
# Before installing, check whether globus is already installed
#
if [ "`rpm -q -v $GLOBUS`" == "$GLOBUS-$GLOBUS_VER" ] ; then
  export GLOBUS_PREINSTALLED=1
fi
  
#
# UnInstall AG RPMS
#
echo "***********************************************"
echo "UnInstall Access Grid packages "
echo "***********************************************"
for package in $AG ; do
    UnInstall $package $AG_VER 
done

#
# UnInstall AG media tools RPMS
#
echo "***********************************************"
echo "UnInstall media tools " 
echo "***********************************************"
UnInstall $AGRAT $AGRAT_VER 
UnInstall $AGVIC $AGVIC_VER

#
# UnInstall Phase 2 RPMS
#
echo "***********************************************"
echo "UnInstall prerequisites (phase 2) "
echo "***********************************************"
UnInstall $PYGLOBUS $PYGLOBUS_VER 

#
# UnInstall Phase 1 RPMS
#
echo "***********************************************"
echo "UnInstall prerequisites (phase 1) " 
echo "***********************************************"
UnInstall $WXWINDOWS $WXWINDOWS_VER
UnInstall $LOGGING $LOGGING_VER 
UnInstall $PYOPENSSL $PYOPENSSL_VER 
UnInstall $GLOBUS $GLOBUS_VER 
UnInstall $GPT $GPT_VER 

echo ""
echo "UnInstall finished."
echo ""