From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alex Kost <alezost@gmail.com>
Subject: Re: Tip of the day: storing your GuixSD config in the instantiated
	system
Date: Mon, 28 Aug 2017 19:46:13 +0300
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In-Reply-To: <877exngapp.fsf@gnu.org> ("Ludovic
	\=\?utf-8\?Q\?Court\=C3\=A8s\=22'\?\=
	\=\?utf-8\?Q\?s\?\= message of "Mon, 28 Aug 2017 14:04:18 +0200")
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To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: help-guix <help-guix@gnu.org>

Ludovic Court=C3=A8s (2017-08-28 14:04 +0200) wrote:

> Hi Mekeor,
>
> (I think you forgot to Cc: the list.)
>
> Mekeor Melire <mekeor.melire@gmail.com> skribis:
>
>> Ludovic Court=C3=A8s <ludo@gnu.org> writes:
>>
>>> Hello Guix!
>>>
>>> Following a discussion we had at the GHM today, here=E2=80=99s the tip =
of the
>>> day!
>>
>> Greetings to everyone at GHM!
>>
>>> But wait: we can already store the config file in the instantiated
>>> system!  Here=E2=80=99s how:
>>>
>>>   (operating-system
>>>     ;; =E2=80=A6
>>>     (services (cons (simple-service 'store-my-config
>>>                                     etc-service-type
>>>                                     `(("config.scm"
>>>                                        ,(local-file (assoc-ref
>>>                                                      (current-source-lo=
cation)
>>>                                                      'filename)))))
>>>                     =E2=80=A6)))
>>>
>>> You instantiate that, and then /etc/config.scm (aka.
>>> /run/current-system/etc/config.scm,
>>> aka. /var/guix/profiles/system/etc/config.scm) contains the config file.
>>
>> Because of the frequent demand for it, I think it would make sense to
>> offer this as pre-defined service by default, as part of Guix itself.
>> What do you think?

I was going to write the same: I also think it would be good to make
this service the default one, so that we can always point a user to the
system config the current system was reconfigured with.

--=20
Alex