pre_install() {
  /bin/true
}

post_install() {
  echo ":: Installing SAX XML Parsers"
  /usr/bin/perl -MXML::SAX -e "XML::SAX->add_parser(q(XML::LibXML::SAX::Parser))->save_parsers()"
  /usr/bin/perl -MXML::SAX -e "XML::SAX->add_parser(q(XML::LibXML::SAX))->save_parsers()"
}

pre_upgrade() {
  /bin/true
}

post_upgrade() {
  /bin/true
}

pre_remove() {
  /bin/true
}

post_remove() {
  /bin/true
}

op=$1
shift
$op $*