GNU bug report logs - #71356
use-package doesn't load org from elpa

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From: Philip Kaludercic <philipk <at> posteo.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 71356 <at> debbugs.gnu.org, acorallo <at> gnu.org, paaguti <at> gmail.com
Subject: bug#71356: use-package doesn't load org from elpa
Date: Mon, 10 Jun 2024 06:02:08 +0000

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Philip Kaludercic <philipk <at> posteo.net>
>> Cc: Pedro Andres Aranda Gutierrez <paaguti <at> gmail.com>,  acorallo <at> gnu.org,
>>   71356 <at> debbugs.gnu.org
>> Date: Thu, 06 Jun 2024 06:15:44 +0000
>> 
>> Sorry for the delayed response;  I don't think that has to be expected.
>> While use-package can utilise package.el for package management, my
>> impression is that it is at liberty to be more flexible/declarative.  
>
> Doesn't use-package utilize package.el already?
>
> If not, how does it handle installation and upgrades? by its own code?

By default it uses package.el, but there is an option to change it.

>> > Do you have package-install-upgrade-built-in set non-nil?  If not, can
>> > you set it non-nil and try the recipe again?
>> 
>> I have tried it out myself, and it doesn't appear to do anything.  The
>> issue looks like that `package-installed-p' doesn't respect
>> package-install-upgrade-built-in or :pin.
>
> We should fix that, I think.  If package-install-upgrade-built-in is
> non-nil, use-package should upgrade built-in packages.
>
>> > As for a feature request: what exactly is the feature requested here?
>> > Are you saying that use-package should automatically upgrade built-in
>> > packages?  If so, I don't think this will fly, since it would mean
>> > inconsistencies with package-install.
>> 
>> IIUC the feature would be that if a use-package form has a
>> 
>>      :pin gnu
>> 
>> argument, then this is an indication that we want to install the package
>> from GNU ELPA, disregarding the fact that Emacs already has a built-in
>> version of the same package.  Sort of a package-local version of
>> `package-install-upgrade-built-in'.
>
> I'm not sure.  People tend to copy/paste recipes from the Internet
> without really understanding what they do.  I think a simple :pin
> should not be sufficient, we need some specialized keyword (in
> addition to supporting package-install-upgrade-built-in).

To me :pin would make perfect sense, as it explicitly expresses what
archive we want to follow for package upgrades.

>> I am not familiar with the use-package code, but it seems like we could
>> implement this generally in package-install, by checking
>> `package-pinned-packages'.
>
> I would prefer not to introduce another indication of whether built-in
> packages should or should not be upgraded.  If we do, we will next
> need to decide which one "wins" when they contradict each other.

One idea would be that use-package would check :pin and then
conditionally bind `package-install-upgrade-built-in' when invoking
`package-install'.  That being said, I am not a fan of the user option
any way, and wouldn't mind if we came up with a cleaner solution.

-- 
	Philip Kaludercic on peregrine

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