post_install() {
    /usr/share/programmers-dvorak/dvp.postinst.sh
}

pre_upgrade() {
    /usr/share/programmers-dvorak/dvp.prerm.sh
    /usr/share/programmers-dvorak/dvp.remove.sh
}

post_upgrade() {
    /usr/share/programmers-dvorak/dvp.postinst.sh
}

pre_remove() {
    /usr/share/programmers-dvorak/dvp.prerm.sh
    /usr/share/programmers-dvorak/dvp.remove.sh
}