From: zimoun <zimon.toutoune@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>, ison <ison@airmail.cc>
Cc: guix-devel@gnu.org
Subject: Re: Discrepancy between manual and channels.scm
Date: Fri, 26 Mar 2021 08:54:56 +0100 [thread overview]
Message-ID: <86pmzmbb8v.fsf@gmail.com> (raw)
In-Reply-To: <875z1l7o7q.fsf@gnu.org>
Hi,
On Sat, 20 Mar 2021 at 18:02, Ludovic Courtès <ludo@gnu.org> wrote:
> ison <ison@airmail.cc> skribis:
>
>> Under "6.7 Declaring Channel Dependencies" the examples show names being
>> quoted, such as (name 'some-collection) however this causes guix pull to
>> fail. I don't remember the exact error but it was failing the "match"
>> statement under "resolve-dependencies" in "guix/channels.scm".
>>
>> (name "some-collection") also fails.
>> (name some-collection) succeeds, without any quoting.
>
> Oops you’re right; I’ll push a fix to the manual shortly.
Indeed, it can be confusing to have:
(name some-collection)
where elsewhere it is quoted. Related to below, since it is data, does
you make sense to have (name “some-collection”) for .guix-channel and a
’string->symbol’ somewhere.
>> I'm not sure if it's the manual which needs fixing or the code, but
>> specifying the name without quoting would be inconsistent with how
>> channel names are declared in ~/.config/guix/channels.scm.
>
> It’s necessarily different because ‘.guix-channel’ is data whereas
> ‘channels.scm’ is code.
Right, option ’--channels/-C’ of “guix pull” says: «file must contain
Scheme code» then section “Specifying Additional Channels” says «Note
that the snippet above is (as always!) Scheme code».
However, what is maybe less clear is that ’.guix-channel’ is data. Even
if it is often said «meta-data file .guix-channel». Maybe the “meta” is
confusing. Why simply not say «data file». Or «meta-data file
.guix-channel (which is not code)».
Well, it is confusing because code is data. :-) And all is using
parenthesis. And the ’.guix-channel’ looks very similar as channels.scm.
Cheers,
simon
next prev parent reply other threads:[~2021-03-26 8:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 1:15 Discrepancy between manual and channels.scm ison
2021-03-20 17:02 ` Ludovic Courtès
2021-03-26 7:54 ` zimoun [this message]
2021-03-27 3:23 ` Ozhap
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