Integrate guix-installed Emacs packages with locally compiled Emacs pretest

Integrate guix-installed Emacs packages with locally compiled Emacs pretest

[Jorge]

Hi.  I want to use Guix to install notmuch (with the Emacs interface) and
emacs-guix; however, since Guix does not have Emacs 26, I would like to keep
using my locally-compiled Emacs 26.0.91.  Is that possible?  Would it be quicker
to learn Guix packaging and package Emacs 26.0.91 for Guix?

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Re: Integrate guix-installed Emacs packages with locally compiled Emacs pretest

[Konrad Hinsen]

On 13/03/2018 00:49, Jorge wrote:

> Hi.  I want to use Guix to install notmuch (with the Emacs interface) and
> emacs-guix; however, since Guix does not have Emacs 26, I would like to keep
> using my locally-compiled Emacs 26.0.91.  Is that possible?  Would it be quicker
> to learn Guix packaging and package Emacs 26.0.91 for Guix?

With Emacs, everything is possible :-)

You'd have to do two things in your Emacs configuration:
   - add the notmuch elisp directory from Guix to load-path
   - make sure that your Guix profile is on exec-path

You probably want the latter anyway, so the additional effort looks small.

On the other hand, packaging Emacs 26 for Guix is a nice exercise and 
useful for lots of other people, so I don't want do discourage you from 
trying!

A third option is to use the notmuch executable from Guix but installing 
the e-lisp part via elpa into your non-Guix Emacs. Even with somewhat 
different versions, this should work fine, since the notmuch command 
line interface is very stable.

Konrad.

Re: Integrate guix-installed Emacs packages with locally compiled Emacs pretest

[Pierre Neidhardt]

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Is there such a thing as a curated list of unofficial, user-contributed
packages for GuixSD?  (Anything that cannot be accepted in the official
repository, such as development versions.)

--
Pierre Neidhardt

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Re: Integrate guix-installed Emacs packages with locally compiled Emacs pretest

[Jorge]

March 13, 2018 3:47 AM, "Konrad Hinsen" <konrad.hinsen@fastmail.net> wrote:

> With Emacs, everything is possible :-)
> 
> You'd have to do two things in your Emacs configuration:
> - add the notmuch elisp directory from Guix to load-path
> - make sure that your Guix profile is on exec-path
> 
> You probably want the latter anyway, so the additional effort looks small.
Yes, it is simpler than I thought.  I will try that after I solve the problems
reported on the other thread.

> On the other hand, packaging Emacs 26 for Guix is a nice exercise and useful for lots of other
> people, so I don't want do discourage you from trying!
Unfortunately I am out of time.  And when I do find more time to contribute to
free (libre) software, I intend to first file some bug reports before
contributing code.

Thank you for the help!

Re: Integrate guix-installed Emacs packages with locally compiled Emacs pretest

[Ludovic Courtès]

Pierre Neidhardt <ambrevar@gmail.com> skribis:

> Is there such a thing as a curated list of unofficial, user-contributed
> packages for GuixSD?  (Anything that cannot be accepted in the official
> repository, such as development versions.)

No, there’s no such thing.

However, I would hope that development versions can easily be packaged,
either from the command-line using ‘--with-source’¹, or by defining a
package variant as in:

  (define emacs-git
    (package
      (inherit emacs)
      (source …)))

Thanks,
Ludo’.

¹ https://www.gnu.org/software/guix/manual/html_node/Package-Transformation-Options.html