Re: Configuring geiser for load paths of Guix environment

[Olivier Dion]

On Tue, 02 Aug 2022, Csepp <raingloom@riseup.net> wrote:
> Olivier Dion via <help-guix@gnu.org> writes:
>
>> Hi,
>>
>> Say I have a .guix.scm in my project with something like
>> (specifications->manifest (list "guile" "guile-fibers" "guile-gcrypt"))
>>
>> If I want to develop with Geiser, it needs to find these modules in its
>> load paths.  My solution to this problem is the following .geiser at the
>> project root:
>>
>> ;; -*-Scheme-*-
>> (let* ((port ((@@ (ice-9 popen) open-input-pipe)
>>               "guix shell -m .guix.scm -- /bin/sh -c 'echo 
>> $GUIX_ENVIRONMENT'"))
>>        (profile ((@@ (ice-9 rdelim) read-line) port)))
>>   (add-to-load-path (string-append profile "/share/guile/site/3.0"))
>>   (set! %load-compiled-path
>>         (cons (string-append profile "/lib/guile/3.0/site-ccache")
>>               %load-compiled-path)))
>>
>> I'm wondering if someone has a better solution to this?
>
> I'm not an Emacs guru, so this might suck, but what I did is simply set
> the related variable.  Forgot what it was, but its contents were "guile"
> and I changed it to '("guix" "repl") and it worked.  You could probably
> do something like '("guix" "shell" "-m" "guix.scm" "--" "guile") .

I finally end up doing something similar.

In .dir-locals.el:
`((nil . ((geiser-guile-binary . "./.geiser-guile"))))'

In .geiser-guile:
`
#!/bin/sh
exec guix shell --pure -D -f .guix/packages.scm -- guile $@
'

Thanks!

-- 
Olivier Dion
oldiob.dev