Re: GNOME and Ubuntu GNOME

On Sat, 2014-09-27 at 20:32 -0400, Liam R E Quin wrote:
On Sat, 27 Sep 2014 08:57:19 -0500
Michael Catanzaro <mcatanzaro gnome org> wrote:
[...] Whereas the versions of your
applications can probably vary without TOO much trouble, you should only
ever update core components like gnome-shell, gnome-settings-daemon, and
gnome-control-center at the same time. gnome-tweak-tool is another one
where something is likely to break if not upgraded in lockstep.

How could they be made more robust against this sort of problem?

By fixing the packages to not accept mixed versions.

communicate over unstable D-Bus interfaces and assume they're
communicating with the corresponding version of the other
Why don't they ask, and refuse to run if they depend on the other
parts so closely. But in that case what's the advantage of using dbus?

It's already a pain for users that things like themes and shell
extensions are so closely tied to the gnome-shell version, but at
least they just refuse to load rather than breaking in unpredictable

It doesn't break in unpredictable ways. It breaks in very very
predictable ways. We build and release GNOME components together because
they work together. gnome-settings-daemon 3.14 for example implements
the necessary backend for the per-network sharing in the Sharing panel.
Making the latter check for versions would mean an explosion of the test
matrix (it would need to check for versions of gnome-settings-daemon,
gnome-user-share, rygel and vino).

If you choose to mix'n'match without thorough QA, you're going to end
keeping both pieces.

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