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From: Achim Gratz <Stromeko@nexgo.de>
To: 10125@debbugs.gnu.org
Subject: bug#10125: RFE: require and load-path-shadowing
Date: Fri, 11 Jan 2013 17:06:53 +0100	[thread overview]
Message-ID: <87wqvjd7qa.fsf@Rainer.invalid> (raw)
In-Reply-To: <81pqgh90sp.fsf@gmail.com>

Stefan Monnier writes:
>    I guess we could fork Emacs early on and keep this second process
>    around as a "process from which to generate new clean slates".

I've been thinking about something like this for a while… if it worked
at least as well as starting a new Emacs instance on all platforms, I'd
favor this approach.

> - outdated .elc file taking precedence over the new .el file can do
>   the same.

Yes, but you get a warning and can already arrange for this (by binding
the appropriate variables) to be no problem in practise.  See the way
org-reload works in current master (of the Org repo).

> - bytecompiling a file affects the running session by side-effects such
>   as requiring packages.

If that problem was finally solved that would be very welcome.

> I suggested a quick&dirty solution:
>> > E.g. we could add to bytecomp.el the ability to force `require' to
>> > reload a package if it's not already loaded from the file that
>> > locate-library returns.
>
> I still think it's not a bad option.

Would an advice work in this situation (given that require is a
primitive)?  If yes, I'd like to give it a try over the weekend.  If
not, I don't really see why require, more specifically the part that
checks features needs to be a primitive, so maybe it could be moved
partly to elisp.

> Of course, we'd still get trouble when the loading is not performed via
> `require' but via autoload (maybe we could try and attack this problem
> by allowing `autoload' to override an already existing definition, but
> that could be delicate).

That I'd like to split off from the discussion about require.

> I don't see why that would introduce a difficulty.

As long as the package is properly namespaced, why not allow for
removing all definitions pertaining to that entire namespace (features,
autoloads, definitions, …)?


Regards,
Achim.
-- 
+<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+

SD adaptation for Waldorf Blofeld V1.15B11:
http://Synth.Stromeko.net/Downloads.html#WaldorfSDada

  parent reply	other threads:[~2013-01-11 16:08 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87sj68eogm.fsf@Rainer.invalid>
     [not found] ` <mthamoy574.fsf@fencepost.gnu.org>
     [not found]   ` <jwvvcb47bs0.fsf-monnier+emacs__21035.4545656175$1357869514$gmane$org@gnu.org>
2011-11-24 12:12     ` 24.0.91; package.el (org): Macros in tar packages & order of byte compilation Jambunathan K
2002-01-01  0:33       ` bug#10125: " Jambunathan K
2011-11-24 13:05       ` Eli Zaretskii
2011-11-24 17:22         ` Jambunathan K
2011-11-24 19:09           ` Glenn Morris
     [not found]           ` <v062i9tk0d.fsf@fencepost.gnu.org>
2011-11-24 19:53             ` Glenn Morris
2011-11-24 22:55             ` Stelian Iancu
2011-11-24 23:54               ` Glenn Morris
2011-11-25  3:31               ` Jambunathan K
2011-11-25 12:32                 ` Stelian Iancu
     [not found]                 ` <CAKvLAojUzYmrUF_64WXEbj9zmBjzZ4gn5cDYVqLTcik41PFJ7w@mail.gmail.com>
2011-11-25 12:58                   ` Jambunathan K
2011-11-25  8:10             ` Eli Zaretskii
     [not found]             ` <hffwhdqov3.fsf@fencepost.gnu.org>
2011-11-25 12:15               ` Jambunathan K
2011-11-25 14:07               ` Chong Yidong
     [not found]               ` <87r50w47o3.fsf@gnu.org>
2011-11-25 14:57                 ` Stefan Monnier
2011-11-25 19:15                   ` Glenn Morris
2011-11-25 19:21                     ` Glenn Morris
2011-11-25 18:19                 ` Glenn Morris
2011-11-25 19:01                   ` Glenn Morris
     [not found]             ` <83vcq88vwt.fsf@gnu.org>
2011-11-25 18:20               ` Glenn Morris
2013-01-11 16:06       ` Achim Gratz [this message]
     [not found]         ` <jwvvcb34qjg.fsf-monnier+emacs@gnu.org>
2013-01-11 16:56         ` bug#10125: RFE: require and load-path-shadowing Stefan Monnier
2013-01-11 19:53       ` Achim Gratz
2013-01-11 22:52         ` Stefan Monnier
     [not found]         ` <jwvlibz2v6e.fsf-monnier+emacs@gnu.org>
2013-01-12  8:15           ` Eli Zaretskii
2013-01-12 10:15       ` Achim Gratz
2013-01-12 13:34         ` Bastien
2013-01-12 14:03           ` Stefan Monnier
2013-01-12 14:23             ` Bastien
     [not found]             ` <87liby7a57.fsf@bzg.ath.cx>
2013-01-12 16:12               ` Stefan Monnier
2013-01-12 17:34                 ` Bastien
2013-01-12 10:20       ` Achim Gratz
2013-01-12 12:07         ` Eli Zaretskii
2013-01-12 13:28           ` Stefan Monnier
     [not found]           ` <jwvehhqy1k8.fsf-monnier+emacs@gnu.org>
2013-01-12 13:55             ` Eli Zaretskii
     [not found]             ` <83wqvisdxx.fsf__30242.1131091707$1357998993$gmane$org@gnu.org>
     [not found]               ` <87ip72fi8f.fsf@Rainer.invalid>
2013-01-12 18:39                 ` Eli Zaretskii
2013-01-12 18:42             ` Glenn Morris
     [not found]             ` <71vcb22qgz.fsf__38024.2966501557$1358016217$gmane$org@fencepost.gnu.org>
     [not found]               ` <87hamlbk3w.fsf__41794.7558024482$1358063310$gmane$org@Rainer.invalid>
     [not found]                 ` <87hamis0js.fsf@Rainer.invalid>
2013-01-16  9:45                   ` Kevin Rodgers
     [not found]                   ` <kd5spq$1hh$1@ger.gmane.org>
2013-01-16 10:06                     ` Andreas Schwab
     [not found]                     ` <mvmtxqh5tn0.fsf@hawking.suse.de>
2013-01-16 14:59                       ` Kevin Rodgers
2013-01-12 16:29       ` Achim Gratz
2013-01-12 17:01       ` Achim Gratz
2013-01-13  7:46       ` Achim Gratz
2013-01-13  7:52       ` Achim Gratz
2013-01-15 19:34       ` Achim Gratz
2013-01-11  2:45     ` Jambunathan K
2013-01-11  1:57   ` Stefan Monnier

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