Re: GUIX_EXTENSIONS_PATH error?

[Ricardo Wurmus <rekado@elephly.net>]

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

> In the mood for documenting the recent GUIX_EXTENSIONS_PATH, I am
> missing something because I hit an error.

It’s not your fault.  It’s hard to do this without documentation.

> --8<---------------cut here---------------start------------->8---
> $ cat /tmp/foo/bar.scm
> (define-module (guix extensions bar)
>   #:use-module (guix scripts))

This right here is the problem.  The module name and the file name do
not match.  The file must be
$GUIX_EXTENSIONS_PATH/guix/extensions/bar.scm and provide the module
(guix extensions bar).

> $ export GUIX_EXTENSIONS_PATH=/tmp/foo
>
> $ guix --help
> Usage: guix COMMAND ARGS...
> Run COMMAND with ARGS.
>
> COMMAND must be one of the sub-commands listed below:
> Backtrace:
>            4 (primitive-load "/home/simon/.config/guix/current/bin/guix")
> In ice-9/boot-9.scm:
>   1731:15  3 (with-exception-handler #<procedure 7f13f2064b70 at ice-9/boot-9.scm:1815:7 (exn)> _ # _ …)
> In guix/ui.scm:
>   2105:20  2 (show-guix-help)
> In srfi/srfi-1.scm:
>    691:23  1 (filter-map #<procedure source-file-command (file)> _ . _)
> In guix/ui.scm:
>    2023:2  0 (source-file-command _)
>
> guix/ui.scm:2023:2: In procedure source-file-command:
> Throw to key `match-error' with args `("match" "no matching pattern" ("tmp" "foo" "bar.scm"))'.

But it still shouldn’t throw an error like that.  I’ll fix it.  Sorry!

-- 
Ricardo