[bug#43361] [PATCH] doc: Mention config.scm in reconfigure description

[zimoun <zimon.toutoune@gmail.com>]

Hi,

This patch [1] is about a tiny tweak of the doc to add a mention of
/etc/config.scm.  I do not know if the consensus is reached.

1: <http://issues.guix.gnu.org/issue/43361>

On Mon, 14 Sep 2020 at 09:25, Ludovic Courtès <ludo@gnu.org> wrote:
> Julien Lepiller <julien@lepiller.eu> skribis:
>> Le 13 septembre 2020 17:10:30 GMT-04:00, "Ludovic Courtès" <ludo@gnu.org> a
>> écrit :
>>>Julien Lepiller <julien@lepiller.eu> skribis:
>>>
>>>> this patch is a small change to the manual that should help at least
>>>> one confused user from
>>>>
>>>https://unix.stackexchange.com/questions/550597/what-is-the-file-to-be-specified-in-guix-system-reconfigure
>>>>
>>>>>>From dfa9439efbf1de7ffe281dac330a19c1e369e5d8 Mon Sep 17 00:00:00
>>>2001
>>>> From: Julien Lepiller <julien@lepiller.eu>
>>>> Date: Sat, 12 Sep 2020 21:46:57 +0200
>>>> Subject: [PATCH] doc: Mention config.scm in reconfigure description
>>>>
>>>> * doc/guix.texi (Invoking guix system): Mention `/etc/config.scm' in
>>>the
>>>> description of guix system reconfigure.
>>>> ---
>>>>  doc/guix.texi | 8 ++++----
>>>>  1 file changed, 4 insertions(+), 4 deletions(-)
>>>>
>>>> diff --git a/doc/guix.texi b/doc/guix.texi
>>>> index a6e14ea177..c10387441e 100644
>>>> --- a/doc/guix.texi
>>>> +++ b/doc/guix.texi
>>>> @@ -28919,10 +28919,10 @@ As for @command{guix package --search}, the
>>>result is written in
>>>>  (@pxref{Top, GNU recutils databases,, recutils, GNU recutils
>>>manual}).
>>>>
>>>>  @item reconfigure
>>>> -Build the operating system described in @var{file}, activate it, and
>>>> -switch to it@footnote{This action (and the related actions
>>>> -@code{switch-generation} and @code{roll-back}) are usable only on
>>>> -systems already running Guix System.}.
>>>> +Build the operating system described in @var{file} (typically
>>>> +@file{/etc/config.scm}), activate it, and switch to it@footnote{This
>>>action
>>>> +(and the related actions @code{switch-generation} and
>>>@code{roll-back}) are
>>>> +usable only on systems already running Guix System.}.
>>>
>>>Perhaps “(typically @file{/etc/config.scm})” should go next to
>>>“@var{file} must be …”?
>>>
>>>But if the person doesn’t read more than a few lines of the page, it
>>>won’t help.
>>>
>>>I was thinking we could have “guix system reconfigure” without
>>>arguments
>>>pick up /run/current-system/configuration.scm.  Perhaps that’d help?
>>
>> I think it would be even more confusing, because that file isn't even
>> editable. So you'de get users thinking they must re-install the distro to
>> change that file.
>
> I mean you could still pass a file as an argument, but if you don’t,
> it’d pick that one.
>
>> Others would eventually find /etc/config.scm and not pass it as argument,
>> then get their system reconfigured to something different than what they
>> specified.
>>
>> Maybe it should be "e.g. /etc/config, initially generated by the graphical
>> installer" or something?
>
> I think “typically /etc/config.scm” is enough (and more accurate),
> dunno.

Personally, I find both equal.  Maybe it is worth the apply the patch.
Since it is the doc, if it appears unclear from feedback, let then
improve.  WDYT?

Cheers,
simon