Re: Reconsider defaults for use-package-vc-prefer-newest

[Eli Zaretskii <eliz@gnu.org>]

> From: Suhail Singh <suhailsingh247@gmail.com>
> Cc: "Martin Edstrom" <meedstrom@runbox.eu>,  yandros@gmail.com,
>   emacs-devel@gnu.org
> Date: Mon, 16 Sep 2024 16:16:03 -0400
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > If the problem is that there's a tag with the correct version, but the
> > Package-Version heading was not updated, we could perhaps have
> > use-package :vc detect that and either display a warning or even
> > automatically use the commit with the tag.
> 
> FWIW, a situation I have encountered is when the commit corresponding to
> a release tag is not the same commit that introduced the version in the
> package header.  This can come up, for instance, when a package is
> available both in melpa-stable and nongnu.  The former uses git tags for
> versions whereas the latter uses the package header.  However, while the
> version of the packages may nominally be the same, they may correspond
> to different commits.  I.e., having two different sources of version
> information can result in ambiguity.
> 
> When the two notions of version don't correspond to the same commit, it
> would be helpful if the user could be notified in some way.

Yes, that'd be another reason to alert the user.

Patches to that effect are welcome.