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Re: How to use Guix.el from Git?


From: Mathieu Lirzin
Subject: Re: How to use Guix.el from Git?
Date: Sun, 22 Nov 2015 19:20:47 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)

Hi Alex,

Alex Kost <address@hidden> writes:

> Mathieu Lirzin (2015-11-22 15:14 +0300) wrote:
>
[...]
>> ERROR: In procedure primitive-load-path:
>> ERROR: In procedure primitive-load-path: Unable to find file "guix-main" in 
>> load path
>
> So Guix REPL is dead after this, right?

It is.

>  It looks like your "~/src/gnu/guix/emacs" is not appended to guile
> %load-path (it is done in `guix-start-repl' by cons-ing
> `guix-load-path' to `geiser-guile-load-path').
>
> Could you check "C-h v guix-load-path" to be sure that its value is
> really "~/src/gnu/guix/emacs".  

--8<---------------cut here---------------start------------->8---
guix-load-path is a variable defined in `guix-backend.el'.
Its value is "~/src/gnu/guix/emacs"
--8<---------------cut here---------------end--------------->8---

>
> Also just in case, show the value of `guix-helper-file' variable.

--8<---------------cut here---------------start------------->8---
guix-helper-file is a variable defined in `guix-backend.el'.
Its value is "/home/mthl/src/gnu/guix/emacs/guix-helper.scm"
--8<---------------cut here---------------end--------------->8---

These two variables helped me figure out that the problem was the use of
“~” in:

  (let ((dir "~/src/gnu/guix/emacs"))
    ...

When changing it with “/home/mthl” it works!  To avoid this kind of
mistake in the future, a simple fix would be to change the example in
the documentation, with:

  (let ((dir "/absolute/path/to/your-guix-git-tree/emacs"))
    ...

But is there a way to change the implementation to let users use
relative path?

Thanks,

--
Mathieu Lirzin



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