Re: T040 fails on Fedora 39 rebuild

[Michael J Gruber <michaeljgruber+grubix+git@gmail.com>]

Am Do., 20. Juli 2023 um 20:54 Uhr schrieb Michael J Gruber
<michaeljgruber+grubix+git@gmail.com>:
>
> Hi there,
>
> funny failures again during the mass rebuild for the (not quite yet)
> upcoming Fedora rebuild. This test passed just a few weeks ago, so the
> failure is related to something else changing. But still it shows that
> the order in which `notmuch config` produces new config can depend on
> something else. It looks a bit like a buffering problem, but what do I
> know ... In any case, this is with notmuch 0.37, and I did not see any
> commit in master which could change that.
>
> I vaguely remember we had g_key_file ordering issues before - maybe in
> another project?
>
> The group comment for the next group is written too early, or the keys
> for the current group are written too late. This results in a
> functionally equivalent config with "misplaced" comments.
>
> Test still passes on Fedora 38. Glib2 versions are:
>
> 2.76.4-1.fc38
> 2.77.0-6.fc39

In fact, glib2 may come with a fix when 2.77.1 is released:

https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3380

I'm not sure we should or can work around 2.77.0's behaviour. (It
might get triggered by the add/remove trick.)

Cheers
Michael