GNU bug report logs - #38015
Emacs in multiple profiles

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: 38015 <at> debbugs.gnu.org, mail <at> ambrevar.xyz
Cc: Alex Kost <alezost <at> gmail.com>, myglc2 <at> gmail.com, help-guix <at> gnu.org
Subject: [bug#38015] Emacs in multiple profiles
Date: Fri, 01 Nov 2019 00:25:02 -0400

[Message part 1 (text/plain, inline)]

[+ guix-patches]

Hello!

Pierre Neidhardt <mail <at> ambrevar.xyz> writes:

> I've reviewed and tested the patch:
>
> - review: 5/5 stars :D
> - test: pass!
>
> I've tested the following:
>
> $ /home/ambrevar/projects/guix/pre-inst-env guix package -i emacs-2048-game emacs -p ~/temp/foo
> $ cd ~/temp
> $ env -i $(which bash) --login --noprofile --norc
> bash-5.0$ /run/current-system/profile/bin/env DISPLAY=:1 emacs
>
>
> Content of *Messages*:
>
> Loading /gnu/store/ghdkfqnvrxipp4ikakags5rl7flywb72-profile/share/emacs/site-lisp/guix.d/2048-game-20151026.1233/2048-game-autoloads.el (source)...done
> For information about GNU Emacs and the GNU system, type C-h C-a.
>
>
> And 
>
> M-x 2048-game RET
>
> works!

I'm glad it works and fixes your use case :-).

> Can we merge this on master?  We have some 700 emacs packages that are
> going to be rebuilt, but it's rather light for the build farm.  What do
> you think?

I'm not worried about the 700 Emacs packages that will need to be
rebuild, but I'd prefer to take a bit of time to let people comment on
this non-trivial change.

The new behavior (of not always loading stuff from the user profile and
system profiles) is different and may break the flow of some people.

For one, I think restarting my Emacs server (started at login) won't be
enough to discover newly installed packages to my profile.  Emacs-Magit
may also be impacted, I haven't reviewed if it uses that autoload
function from site-start.el.

Refreshing an environment variable value for a process (such as Emacs)
is not as convenient as re-scanning a directory.

I'll let some time pass (2 weeks), and if nobody objects, I'll merge it
to master.

Thanks for the review!

Maxim

[0001-gnu-emacs-Locate-Elisp-libraries-via-EMACSLOADPATH.patch (text/x-patch, attachment)]

[0002-build-system-emacs-Simplify-the-SET-EMACS-LOAD-PATH-.patch (text/x-patch, attachment)]

[0003-gnu-emacs-Adapt-the-autoloads-auxiliary-code-to-use-.patch (text/x-patch, attachment)]

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