Re: Emacs load path

[Federico Beffa]

On Tue, Jan 5, 2016 at 10:40 AM, Alex Kost <address@hidden> wrote:
> Federico Beffa (2016-01-04 13:18 +0300) wrote:
>
>> On Sat, Jan 2, 2016 at 3:13 PM, Alex Kost <address@hidden> wrote:
>>> Federico Beffa (2016-01-01 19:53 +0300) wrote:
> [...]
>>>> there's no 'guix-config.el', but only 'guix-config.el.in'. It would be
>>>> great if you could provide a working patch.
>>>
>>> Hm, OK, so your "proof of concept patch" will have the same problem.
>>> Could you please answer
>>> <http://lists.gnu.org/archive/html/guix-devel/2016-01/msg00021.html>, as
>>> I still don't understand how your suggestion can help Emacs to find
>>> packages in "guix.d" dirs of user profile.
>>
>> That's the easy part. Once we know how to load a minimal version of
>> your code, we add it to 'site-start.el'. Emacs automatically loads it.
>
> Ah, now I see what you mean, thanks!  And emacs can be started with
> "--no-site-file" so my concerns about avoiding this are fulfilled.  For
> simplicity, we can even add "site-start.el" to the guix repo I think.

Fine with me. I don't have preferences on this.

>>> Returning to 'guix-config' problem, we can make a "soft" dependency on
>>> 'guix-profiles' (see the attached patch), so the only file needed for
>>> finding emacs packages in "guix.d" will be "guix-emacs.el".  And the
>>> code that should be loaded by Emacs to find guix emacs packages will be:
>>>
>>> (when (require 'guix-emacs nil t)
>>>   (add-to-list 'load-path (guix-emacs-directory))
>>>   (guix-emacs-load-autoloads))
>>
>> I've done this, but it doesn't load as 'guix-config' is missing. I
>> guess it needs your patch which I didn't try.
>
> Yes, it meant to be used with the patch.
>
> So IIUC we need the following patches to make our Emacs find packages in
> a user profile:
>
> - patch for stripping "guix-emacs.el" from extra dependencies (attached
>   to the previous message);
>
> - patch for adding "site-start.el" (attached to this message);
>
> - modified version of your patch to copy "site-start.el" and
>   "guix-emacs.el" to the proper places.
>

If you want, feel free to modify and push my patch as needed. At the
moment your patches do not apply on my checkout (I'm behind master by
a few weeks). Otherwise, I will update and try to close this during
one of the next week-ends.

Thanks for the cooperation,
Fede