Comment 7 for bug 1913421

open-vm-tools-desktop
dh_installsystemd -popen-vm-tools-desktop --restart-after-upgrade --no-stop-on-upgrade run-vmblock

=> Maintscripts
# Automatically added by dh_installsystemd/13.3.1ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
        # This will only remove masks created by d-s-h on package removal.
        deb-systemd-helper unmask 'run-vmblock\x2dfuse.mount' >/dev/null || true

        # was-enabled defaults to true, so new installations run enable.
        if deb-systemd-helper --quiet was-enabled 'run-vmblock\x2dfuse.mount'; then
                # Enables the unit on first installation, creates new
                # symlinks on upgrades if the unit file has changed.
                deb-systemd-helper enable 'run-vmblock\x2dfuse.mount' >/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 'run-vmblock\x2dfuse.mount' >/dev/null || true
        fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.3.1ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
        if [ -d /run/systemd/system ]; then
                systemctl --system daemon-reload >/dev/null || true
                if [ -n "$2" ]; then
                        _dh_action=restart
                else
                        _dh_action=start
                fi
                deb-systemd-invoke $_dh_action 'run-vmblock\x2dfuse.mount' >/dev/null || true
        fi
fi
# End automatically added section

Qemu as I tried it atm:

dh_installsystemd -a -pqemu-system-common --restart-after-upgrade --no-stop-on-upgrade --name=run-qemu.mount

Only gets rendered into
# Automatically added by dh_installsystemd/13.3.1ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
        if deb-systemd-helper debian-installed 'run-qemu.mount'; then
                # This will only remove masks created by d-s-h on package removal.
                deb-systemd-helper unmask 'run-qemu.mount' >/dev/null || true

                if deb-systemd-helper --quiet was-enabled 'run-qemu.mount'; then
                        # Create new symlinks, if any.
                        deb-systemd-helper enable 'run-qemu.mount' >/dev/null || true
                fi
        fi

        # 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 'run-qemu.mount' >/dev/null || true
fi
# End automatically added section

The start section is missing, but why?

Both are compat level 12, the commands are the same ... hmmm