Bug 46762

Patches welcome, I'd be happy to review this.

(In reply to comment #0)
> It would be useful for telepathy-mission-control to know when a new service
> (like a connection manager or a client) has been installed or removed.
> 
> <smcv> I'd personally spec it as ActivatableServiceAdded(s:
> Well_Known_Name), ActivatableServiceRemoved(s: Well_Known_Name)

Should be ActivatableServiceAdded(as: Array_of_Well_Known_Name), ActivatableServiceRemoved(as: Array_of_Well_Known_Name)?

(In reply to comment #2)
> (In reply to comment #0)
> > <smcv> I'd personally spec it as ActivatableServiceAdded(s:
> > Well_Known_Name), ActivatableServiceRemoved(s: Well_Known_Name)
> 
> Should be ActivatableServiceAdded(as: Array_of_Well_Known_Name),
> ActivatableServiceRemoved(as: Array_of_Well_Known_Name)?

How often do you add/remove more than one activatable service at the same time?

If dbus-daemon detects that one activatable service has been added/removed, how can it know whether there are more to come as part of the same "transaction" (e.g. installing a RPM/dpkg/... package that provides multiple .service files), or whether we've seen the whole "transaction"?

(My guessed answers are "rarely" and "it can't know that, inotify tells us about one file at a time", which is why I didn't suggest "plural" signals.)

If I'm wrong about those and you *can* make "plural" signals work well, the name should be plural too: ActivatableServicesAdded(as), ActivatableServicesRemoved(as).

One way to make them work as "plural" might be to have inotify just trigger a general reload, remember the old set of activatable services before the reload, and do a "diff" operation afterwards.

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