# adapted from PostgreSQL postgresql-common.postinst
if [ "$1" = configure ]; then
    # Make sure the administrative user exists
    if ! getent passwd aeneid > /dev/null; then
        adduser --system $quiet --home /etc/aeneid --no-create-home \
            --shell /bin/bash --group --gecos "aeneid user" aeneid
    fi
    # if the user was created manually, make sure the group is there as well
    if ! getent group aeneid > /dev/null; then
        addgroup --system $quiet aeneid
    fi
    # make sure aeneid is in the aeneid group
    if ! id -Gn aeneid | grep -qw aeneid; then
        adduser $quiet aeneid aeneid
    fi

    # check validity of aeneid user and group
    if [ "`id -u aeneid`" -eq 0 ]; then
        echo "The aeneid system user must not have uid 0 (root).
Please fix this and reinstall this package." >&2
        exit 1
    fi
    if [ "`id -g aeneid`" -eq 0 ]; then
        echo "The aeneid system user must not have root as primary group.
Please fix this and reinstall this package." >&2
        exit 1
    fi

    # ensure config directory ownership
    mkdir -p /etc/aeneid
    su -s /bin/sh aeneid -c "test -O /etc/aeneid &&
            test -G /etc/aeneid" || \
        chown -R aeneid:aeneid /etc/aeneid
fi