nixos/switch-to-configuration: Use early return

                    }

                }

            }

            # Don't do the rest of this for socket-activated units

            # because we handled these above where we stop the unit.

            # Since only services can be socket-activated, the

            # following condition always evaluates to `true` for

            # non-service units.

            if (!$socketActivated) {

            if ($socketActivated) {

                return;

            }

            # If we are restarting a socket, also stop the corresponding

            # service. This is required because restarting a socket

            # when the service is already activated fails.

        }

    }

}

}

# Figure out what units need to be stopped, started, restarted or reloaded.

my (%unitsToStop, %unitsToSkip, %unitsToStart, %unitsToRestart, %unitsToReload);