#!/bin/ksh
# This is a script that checks the system for an OSSC RPM installation
# (either version 2.5 or 3.0.2) and if found, will remove all installed
# rpm packages as well as all of the files from the rpm installation.

echo
echo
echo "		   IMPORTANT NOTICE:"
echo
echo "    Please be aware that this script will remove ALL"
echo "    rpm packages that have been installed on this system"
echo "    (including packages that may not have been part"
echo "    of the OSSC distribution) as well as the RPM "
echo "    (RedHat Package Manager) files and database."
echo 
echo "    DO NOT proceed unless you really want to"
echo "    remove RPM and virtually all the installed packages from"
echo "    your system."
echo
echo
echo "Do you want to continue? [y/n]: \c"
read answer
echo
if [ "$answer" = "n" ] || [ "$answer" = "N" ]
  then exit
fi
if [ "$answer" != "y" -a "$answer" != "Y" ]
  then
  echo
  echo "Response $answer is not recognized, "
  echo
  echo "Exiting remove-all-rpm.ksh script..."
  echo
  exit 1
fi

if [[ ! -f /usr/local/bin/rpm ]]
  then
  echo
  echo "Could not find the /usr/local/bin/rpm program"
  echo
  echo "Exiting remove-all-rpm.ksh script..."
  echo
  exit 1
fi

RPM_version=`/usr/local/bin/rpm --version | cut -d" " -f 3`

if [[ $RPM_version = "2.5" ]]
  then 
  echo "Removing RPM version 2.5 packages"
  echo
  if [[ -d /usr/local/doc/nedit-5.0.2/html ]]
  then rm -r /usr/local/doc/nedit-5.0.2/html
  fi
    
  for i in `/usr/local/bin/rpm -qa`
  do
  echo "Removing package $i"
  /usr/local/bin/rpm -ev --nodeps $i
  done

  echo "Removing RPM version 2.5 files"
  echo  

  rm /etc/rpmrc
  rm /usr/local/bin/rpm
  rm /usr/local/bin/gendiff
  rm /usr/local/bin/find-provides
  rm /usr/local/bin/find-requires
  rm /usr/local/bin/rpm2cpio
  rm /usr/local/man/man8/rpm.8
  rm /usr/local/man/man8/rpm2cpio.8
  cp /usr/local/lib/rpmrc /usr/local/lib/rpmrc-2.5
  rm /usr/local/lib/rpmrc
  rm /usr/local/lib/librpm.a
  rm /usr/local/lib/rpmpopt
  rm -r /usr/local/include/rpm
  rm /usr/local/share/locale/de/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/fr/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/sv/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/pt-br/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/tr/LC_MESSAGES/rpm.mo
  rm -r /usr/local/lib/rpm
  echo "RPM version 2.5 has been removed from this system"
  echo
  exit 1
fi


if [[ $RPM_version = "3.0.2" ]]
  then 
  echo "Removing RPM version 3.0.2 packages"
  echo
  if [[ -d /usr/local/doc/nedit-5.0.2/html ]]
  then rm -r /usr/local/doc/nedit-5.0.2/html
  fi

  if [[ -d /usr/local/doc/ACE-5.1 ]]
  then rm -r /usr/local/doc/ACE-5.1
  fi
    
  for i in `/usr/local/bin/rpm -qa`
  do
  echo "Removing package $i"
  /usr/local/bin/rpm -ev --nodeps $i
  done 
   
  echo "Removing RPM version 3.0.2 files"
  echo
    
  rm /usr/local/share/locale/cs/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/de/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/fi/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/fr/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/pt_BR/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/ro/LC_MESSAGES/popt.mo
  rm /usr/local/share/locale/ru/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/sk/LC_MESSAGES/popt.mo
  rm /usr/local/share/locale/sk/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/sr/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/sv/LC_MESSAGES/rpm.mo
  rm /usr/local/share/locale/tr/LC_MESSAGES/rpm.mo
  rm /usr/local/lib/rpmpopt
  rm /usr/local/lib/rpmrc
  rm -r /usr/local/lib/rpm/
  rm /usr/local/lib/libpopt.a
  rm /usr/local/lib/libpopt.la
  rm /usr/local/lib/librpm.a
  rm /usr/local/lib/librpm.la
  rm /usr/local/lib/librpmbuild.a
  rm /usr/local/lib/librpmbuild.la
  rm /usr/local/man/man3/popt.3
  rm /usr/local/man/man8/rpm.8
  rm /usr/local/man/man8/rpm2cpio.8
  rm /usr/local/include/popt.h
  rm /usr/local/include/rpm/dbindex.h
  rm /usr/local/include/rpm/header.h
  rm /usr/local/include/rpm/misc.h
  rm /usr/local/include/rpm/rpmbuild.h
  rm /usr/local/include/rpm/rpmio.h
  rm /usr/local/include/rpm/rpmlib.h
  rm /usr/local/include/rpm/rpmmacro.h
  rm /usr/local/include/rpm/rpmspec.h
  rm /usr/local/include/rpm/rpmurl.h
  rm /usr/local/include/rpm/stringbuf.h
  rm /usr/local/bin/rpm2cpio
  rm /usr/local/bin/rpm
  rm /usr/local/bin/gendiff
  if [[ -f /etc/rpmrc-3.0.2 ]]
  then
     rm /etc/rpmrc-3.0.2
  fi
  if [[ -f /etc/rpmrc ]]
  then
     rm /etc/rpmrc
  fi

  if [[ -d /etc/rpm-tmp ]]
  then
     rm -r /etc/rpm-tmp
  fi

  if [[ -d /etc/rpm ]]
  then
     rm -r /etc/rpm
  fi
  echo "RPM version 3.0.2 has been removed from this system"
  echo  
fi

if [[ $RPM_version != "2.5" ]] && [[ $RPM_version != "3.0.2" ]] 
  then
  echo
  echo "Your /usr/local/bin/rpm binary returns RPM version $RPM_version"
  echo "which is NOT from any previous OSSC release."
  echo 
  echo "You will need to remove your rpm installation manually!"
  echo 
  echo "Exiting remove-all-rpm.ksh script..."
fi
  
exit 0