unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Phil Sainty <psainty@orcon.net.nz>
To: Qiantan Hong <qthong@stanford.edu>
Cc: emacs-devel@gnu.org
Subject: Re: PACKAGE-FEATURES, and hot update of Emacs packages
Date: Sun, 28 Nov 2021 02:30:02 +1300	[thread overview]
Message-ID: <33daec75f840823e825a814beb92e739@webmail.orcon.net.nz> (raw)
In-Reply-To: <b4da24dd1595da27f2557ba15bf4a636@webmail.orcon.net.nz>

On 2021-11-28 01:16, Phil Sainty wrote:
> I suppose (package-desc-version (package-load-descriptor DIR)) can be
> used for ELPA packages installed in the standard way, so maybe there's
> scope for using that; but I suspect that'd be too brittle an approach,
> as there are many non-standard ways of loading things.

I phrased that final bit very confusingly.

I just meant that a file which is intended to be installed as an
ELPA package might actually be loaded directly from some non-ELPA
source, or even evaluated via `eval-buffer', and so an approach
which depended on a *-pkg.el being present in the same directory
could fail in those situations, causing inconsistent behaviour.

-Phil




  reply	other threads:[~2021-11-27 13:30 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-27  9:31 PACKAGE-FEATURES, and hot update of Emacs packages Qiantan Hong
2021-11-27 10:09 ` Eli Zaretskii
2021-11-27 10:18   ` Qiantan Hong
2021-11-27 10:20     ` Qiantan Hong
2021-11-27 12:16 ` Phil Sainty
2021-11-27 13:30   ` Phil Sainty [this message]
2021-11-27 20:36   ` Qiantan Hong
2021-11-28  7:22     ` Phil Sainty
2021-11-28  7:51       ` Qiantan Hong
2021-11-28  1:04   ` Tim Cross
2021-11-28  4:23     ` Phil Sainty
2021-11-28  5:12     ` Stefan Monnier

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=33daec75f840823e825a814beb92e739@webmail.orcon.net.nz \
    --to=psainty@orcon.net.nz \
    --cc=emacs-devel@gnu.org \
    --cc=qthong@stanford.edu \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).