From: zimoun <zimon.toutoune@gmail.com>
To: Ricardo Wurmus <rekado@elephly.net>
Cc: Guix Devel <guix-devel@gnu.org>
Subject: Re: GUIX_EXTENSIONS_PATH error?
Date: Sat, 16 Jan 2021 02:49:40 +0100 [thread overview]
Message-ID: <86zh19k5vv.fsf@gmail.com> (raw)
In-Reply-To: <87turhbz54.fsf@elephly.net>
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Hi Ricardo,
About the precedence, i.e., extension that overrides default command,
see patch#45910.
<http://issues.guix.gnu.org/45910>
On Fri, 15 Jan 2021 at 23:42, Ricardo Wurmus <rekado@elephly.net> wrote:
> zimoun <zimon.toutoune@gmail.com> writes:
> We can change this, but we’d need to agree on an as yet unused directory
> as the root for extensions.
I do not know, maybe I will change my mind after a good ol’ black
coffee. :-)
We could say that:
1. the prototype of GUIX_EXTENSIONS_PATH is path/to/guix
2. the folder /extensions is implicitly appended
3. ~/.config/guix is implicitly appended
The patch attached does that. But, the definition of the package ’guix’
needs to be tweaked (not done) in agreement, especially:
--8<---------------cut here---------------start------------->8---
(native-search-paths
(list (search-path-specification
(variable "GUIX_EXTENSIONS_PATH")
(files '("share/guix/extensions")))))
--8<---------------cut here---------------end--------------->8---
>> Moreover, it could nice to have GUIX_EXTENSIONS_PATH look by default
>> in ~/.config/guix/extensions, i.e., by default
>> GUIX_EXTENSIONS_PATH=~/.config.
>
> The last part of this sentence is what I meant above: we need to avoid
> that, because that would cause
> ~/.config/guix/current/share/guile/site/3.0/guix/scripts/ to be included
> in the search for extensions.
It is easy to filter out by adding rules in ’extensions-directories’. :-)
> I have added a search path specification to the “guix” package itself,
> so that it will set GUIX_EXTENSIONS_PATH to
> $profile/share/guix/extensions automatically. The idea is to update the
> format of the “channels.scm” file to allow for the installation of extra
> packages into the “guix pull” profile (by default that’s
> ~/.config/guix/current).
I see. Well, I need to fail myself to really understand…
> This way I could say that I want the freshly pulled Guix to also install
> the “gwl” package in the same profile, and that new Guix would
> automatically have the “gwl” extension’s “workflow” sub-command.
I agree.
Cheers,
simon
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diff --git a/guix/ui.scm b/guix/ui.scm
index ad78d5cedd..e918b5b64f 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -2066,8 +2066,10 @@ contain a 'define-command' form."
(define (extension-directories)
"Return the list of directories containing Guix extensions."
(filter file-exists?
- (parse-path
- (getenv "GUIX_EXTENSIONS_PATH"))))
+ (map (cut string-append <> "/extensions")
+ (parse-path
+ (string-append (config-directory) ":"
+ (getenv "GUIX_EXTENSIONS_PATH"))))))
(define (commands)
"Return the list of commands, alphabetically sorted."
next prev parent reply other threads:[~2021-01-16 1:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-15 20:33 GUIX_EXTENSIONS_PATH error? zimoun
2021-01-15 20:45 ` Ricardo Wurmus
2021-01-15 20:55 ` zimoun
2021-01-15 22:24 ` Ricardo Wurmus
2021-01-15 22:32 ` zimoun
2021-01-15 22:42 ` Ricardo Wurmus
2021-01-15 22:58 ` zimoun
2021-01-15 23:17 ` Ricardo Wurmus
2021-01-16 1:49 ` zimoun [this message]
2021-02-01 7:41 ` GUIX_EXTENSIONS_PATH pattern zimoun
2021-02-08 22:37 ` Ricardo Wurmus
2021-02-09 0:40 ` zimoun
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