post_install() {
    getent passwd freenet &>/dev/null || {
        echo -n "==> Creating freenet system user... "
        useradd --system \
                --user-group \
                --home /opt/freenet \
                freenet &&
        echo "ok" || echo "fail"
    }
    chown -R freenet:freenet /opt/freenet
    echo "==> Freenet will be slow during first startup while it discovers the network."
    echo "==> You may see 'Data Not Found' or 'Route Not Found' errors, this is normal."
    echo "==> For best performance Freenet should be run 24/7 as much as possible."
    echo "==> Your node's configuration WebUI is located at http://127.0.0.1:8888/ "
    echo "==> https://freenetproject.org/faq.html"
}

post_upgrade() {
    ## remove me at a later date
    [[ -d /opt/freenet/conf/node ]] && {
        sed -i /opt/freenet/conf/freenet.ini \
            -e "s:node.install.nodeDir=/opt/freenet/conf/node:node.install.nodeDir=/opt/freenet/noderef:" \
            -e "s:JSTUN;::"
        mv /opt/freenet/conf/node /opt/freenet/noderef
    } || true

    chown -R freenet:freenet /opt/freenet
}

pre_remove() {
    getent passwd freenet &>/dev/null && {
        echo -n "==> Removing freenet system user... "
        userdel freenet &&
        echo "ok" || echo "fail"
    }
}