post_install() {
    # Add swish user and group with a home directory (which will contain all 
    # the packs).
    getent group swish &>/dev/null || groupadd -r swish >/dev/null
    getent passwd swish &>/dev/null || useradd -m -d /home/swish \
-r -g swish swish >/dev/null

    # Add swish user to the rserve group. If this is not done, access to the 
    # socket will be forbidden.
    gpasswd -a swish rserve >/dev/null

    chown -R swish:swish /usr/share/swish-cplint

    printf "\n\n%s\n\n" "To initialize and download all the necessary \
components you must run: \
sudo -u swish swish-cplint -i"
    printf "%s\n\n" "You can then start and enable \
swish-cplint.service to run the server."

}

post_remove() {
    printf "\n\n%s\n" "You can remove /home/swish."
    printf "%s\n\n" "You can also remove swish user and group."
}