Re: Building packages in REPL

["Ludovic Courtès" <ludo@gnu.org>]

Hi,

zimoun <zimon.toutoune@gmail.com> skribis:

> On Fri, 26 Jun 2020 at 06:17, Julien Lepiller <julien@lepiller.eu> wrote:
>
>> One way to do this with the guix API is to get the derivation, then build it:
>>
>> (use-modules (guix derivations) (guix store) (gnu packages bash))
>> (define package bash-minimal)
>> (define store (open-connection))
>> (define der (package-derivation store package))
>> (build-derivations store (list der))
>>
>> Is that what you want?
>
> Yes, but provides something like:
>
> (use-modules
>  (guix store)
>  (guix derivations)
>  (guix packages))
>  
> (define (build-packages packages)
>   (with-store store
>     (let ((builds (map (lambda (package)
>                          (package-derivation store package))
>                        packages)))
>       (build-derivations store builds))))
>
> (define (build-package package)
>   (build-packages (list package)))

(guix scripts) has a high-level ‘build-package’ procedure (initially
written for Emacs-Guix) that can be used like this:

--8<---------------cut here---------------start------------->8---
$ guix repl
GNU Guile 3.0.4
Copyright (C) 1995-2020 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guix-user)> ,use(guix)
scheme@(guix-user)> ,use(guix scripts)
scheme@(guix-user)> ,use(gnu packages base)
scheme@(guix-user)> (build-package coreutils)
$1 = #<procedure 7f2170c05540 at guix/scripts.scm:122:2 (state)>
scheme@(guix-user)> ,run-in-store (build-package coreutils)
/gnu/store/yvsd53rkbvy9q8ak6681hai62nm6rf31-coreutils-8.32-debug
/gnu/store/n8awazyldv9hbzb7pjcw76hiifmvrpvd-coreutils-8.32
$2 = #t
--8<---------------cut here---------------end--------------->8---

HTH!

Ludo’.