#!/bin/sh
set -e
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
    useradd --user-group -M --system dvmhost --shell /bin/false || true
    usermod --groups dialout --append dvmhost || true
    chown dvmhost:dvmhost /opt/dvm/config.yml
    chown dvmhost:dvmhost /opt/dvm/iden_table.dat
    chown dvmhost:dvmhost /opt/dvm/rid_acl.dat
    chown dvmhost:dvmhost /opt/dvm/tg_acl.dat
    chown dvmhost:dvmhost /opt/dvm/log

    # This will only remove masks created by d-s-h on package removal.
    deb-systemd-helper unmask 'dvmhost.service' >/dev/null || true

    # was-enabled defaults to true, so new installations run enable.
    if deb-systemd-helper --quiet was-enabled 'dvmhost.service'; then
        # Enables the unit on first installation, creates new
        # symlinks on upgrades if the unit file has changed.
        deb-systemd-helper enable 'dvmhost.service' >/dev/null || true
    else
        # Update the statefile to add new symlinks (if any), which need to be
        # cleaned up on purge. Also remove old symlinks.
        deb-systemd-helper update-state 'dvmhost.service' >/dev/null || true
    fi
fi