GNU bug report logs - #78844
30.1; feature request: public interface for querying builtin packages and versions

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Message #14 received at 78844 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Xiyue Deng <manphiz <at> gmail.com>, Stefan Monnier <monnier <at> iro.umontreal.ca>,
 Philip Kaludercic <philipk <at> posteo.net>
Cc: 78844 <at> debbugs.gnu.org, spwhitton <at> spwhitton.name
Subject: Re: bug#78844: 30.1;
 feature request: public interface for querying builtin packages and
 versions
Date: Sat, 21 Jun 2025 10:36:28 +0300

> Cc: 78844 <at> debbugs.gnu.org
> From: Xiyue Deng <manphiz <at> gmail.com>
> Date: Fri, 20 Jun 2025 21:43:09 -0700
> 
> Hi Sean,
> 
> Sean Whitton <spwhitton <at> spwhitton.name> writes:
> 
> > Hello,
> >
> > It would be great to stabilise this interface.  We would like to add
> > package system metadata to the Emacs packages in Debian to track all the
> > built-in packages.  We could do various useful things with that.
> >
> > Thanks to Xiyue for working on this, both here and over in the Debian
> > BTS.  The sample interface looks good to me.
> >
> 
> Thanks for pre-approving!  I have attached a draft patch for adding
> those functions.  A slight change is to query `package--builtins' for
> builtin package names as it contains a larger list of builtin packages
> that may not have a version defined in `package--builtin-versions'.  I
> also dropped "get" from the function names as it seems not to have been
> used in the current code base.
> 
> Also, for completeness, I actually find there is a `package-built-in-p'
> function for checking built-in packages.  But there is no way to get a
> complete list of builtin packages, so package-builtin-packages is still
> needed.  I also don't check whether a package is builtin in the added
> `package-builtin-package-version' function and return nil for both
> non-builtin packages and builtin packages without a version, as we can
> use `package-built-in-p' to check the former.

Thanks, I added the relevant individuals to this discussion.

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