>>>>> Mark Seeto via ESS-help
>>>>> on Mon, 27 Jan 2025 05:48:33 +1100 writes:
> Hi Kevin,
>> Any ideas of what I'm doing wrong, or how to fix things? Thanks for any
>> advice or guidance. Using Emacs 29.3.
> I'll start by saying that I'm not particularly knowledgeable in ESS or
> Emacs, and my educated guess below could be partially or completely
> incorrect.
> I don't think you're doing anything wrong. I think
> package-list-packages shows ess 25.1.0 as obsolete because
> package-list-packages sees ess 25.1.0 as being an older version than
> ess 20230419.1527. And I think it sees 25.1.0 as older because it
> compares version numbers rather than dates, and the integer 20230419
> is greater than the integer 25.
> I looked in package.el to try to find where "obsolete" is defined, but
> I didn't see it there. However, package.el uses comparisons of
> versions. It uses the function version-to-list to convert a version
> string to a list of integers, e.g. "25.1.0" to (25, 1, 0). And it uses
> the functions version-list-<, version-list-<=, and version-list-= to
> compare versions.
> If I'm correct, your question is more about Emacs than about ESS.
> See
> C-h f version-to-list
> C-h f version-list-<
> etc.
> Good luck with the upgrade,
> Mark
Thank you, Mark.
.. but when we released ess 24.01.0 and 24.01.1 last year,
these were *never* listed obsolete AFAIK,
but your explanation would lead to those, too.
But then, I do *not* see what you see, if I do
M-x package-list-packages [Enter]
and search (C-s) for ' ess '
I see I have installed 24.1.1 and 25.1.0 is available ..
After I install 25.1.0, I see that and if I "click" [Enter]
I get the buffer explaining its "data", ending with
Other versions: 24.1.1 (installed), 25.1.0 (melpa-stable), 20250110.1437
(melpa), 25.1.0 (gnu).
(and then I see 24.1.1 is now obsolete .. and I mark and
uninstall it).
Martin
--
Martin Maechler
ETH Zurich, R Core and ESS core teams
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