post_install() {
    echo "You now need to bootstrap pkgsrc as root via the following commands:"
    echo "==> cd /usr/pkgsrc/bootstrap"
    echo "==> rm -rf work"
    echo "==> ./bootstrap --prefix /usr/pkg"
}

post_remove() {
    echo "Not removing /usr/pkg/* so that anything installed via pkgsrc still exists"
    echo "Remove it manually if you don't want it anymore"
    rm -rf /usr/pkgsrc
}