Re: [Tracker] runtime checking for tracker availability

["Ulrik Mikaelsson" <ulrik mikaelsson gmail com>]

One option would be to try to use the pkg-config infrastructure. I
think this is what it's supposed to do. That'll probably require
additions to tracker, and in worst case an extra dependency, though.

Otherwise, $PATH is probably your best bet.

What exactly do you want to do once you know if it's installed?
Launch it? Would it be possible to let tracker-installation and
packaging configure dbus to launch it on it's first message? Don't know
DBUS enough to know if this is possible for the session bus.

On 10/30/06, Mikkel Kamstrup Erlandsen <mikkel kamstrup gmail com> wrote:

2006/10/30, Jamie McCracken <jamiemcc blueyonder co uk>:

Mikkel Kamstrup Erlandsen wrote:
> 2006/10/20, Edward Duffy <eduffy gmail com <mailto: eduffy gmail com>>:
>
>     Until dbus 0.9+ makes into most distros, you can check the lock file
>
>     # lsof ~/.Tracker/${USER}_tracker_lock
>
>     this'll return 0 if trackerd is running by ${USER}, 1 otherwise.
>
>
> Oh, perhaps I was unclear. I need to check if tracker is _installed_ (I
> could check for existence of ~/.Tracker but that dir only exists if
> trackerd has been run). I can check if trackerd is _running_ by
> dbus.NameHasOwner("org.freedesktop.Tracker"). I could manually scan the
> $PATH for trackerd but that seems unelegant...
>

you could check for usr/share/tracker (or usr/local/share/tracker)

That would work on 98% of all systems, but I would really like a completely generic test...

Cheers,
Mikkel

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