post_install() {
    pkgname=gincamalarm

    # Fixing membership
    chown root: /var/log/$pkgname
    chown -R root: /etc/$pkgname

    # Reload systemctl
    systemctl daemon-reload

    echo "Adding gincamalarm in systemctl:"
    echo "  systemctl enable gincamalarm"
    echo "  systemctl start gincamalarm"

    echo "Adding this rule in iptables:"
    echo "  iptables -t filter -A INPUT -p tcp --dport 8090 -j ACCEPT"

    true
}

post_upgrade() {
    # Reload systemctl
    systemctl daemon-reload

    echo "You should restart gincamalarm"
    echo "  systemctl restart gincamalarm"

    true
}

pre_remove() {
    pkgname=gincamalarm
    # Remove symlink in systemd
    systemctl disable $pkgname
    # Stop server
    systemctl stop $pkgname
    # Reload systemctl
    systemctl daemon-reload

    true
}