Bug#788325: easytag: Don't register as default handler for directories

[IOhannes m zmölnig (Debian/GNU)]

On 06/16/2015 01:01 PM, James Cowgill wrote:
> The more I read about this situation affecting other projects, the more
> I think David is right. All easytag is doing is following the
> freedesktop spec and since easytag can handle directories, it should
> have the directory mime type registered to it. This should either be
> fixed in gnome-open or the spec should be updated to allow apps to
> specify priorities.

i can follow david's arguing and agree that it is not a bug in easytag
(upstream).

however, i don't think that the problem is with gnome-open or the
freedesktop specs.

installing the easytag package adds an entry to my /etc/mailcap file,
that registers easytag as a program to "display non-text [directories]
at the local site" (from mailcap(5), with a clarification by me in
brackets).
now i think that this is the main problem: easytag's desktop files
declares that it *can* handle directories. (i guess the use case is that
in your favourite filesystem browser you ought to be able to right-click
on a directory and be presented with a list of applications that could
handle that directory; having easytag in that list makes total sense to
me). however, this declaration somehow makes the package installation
process believe that it *should* handle directories (which is plain
wrong), by adding an entry to /etc/mailcap.

most likely the problem is with the packaging (not necessarily the
easytag package per se, but maybe the tools used).

according to update-mime(8), it *is* possible to add priorities to
mime-types (for exactly the kind of problem we are facing).
right now, easytag does not do anything special to register the
mime-type handler, so it seems that the packaging should actively lower
the priority.

gfmadr
IOhannes

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