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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Self-contained Guix tarball
Date: Sun, 19 Apr 2015 22:09:46 +0200
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In-Reply-To: <20150419081846.GA6282@thebird.nl> (Pjotr Prins's message of
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To: Pjotr Prins <pjotr.public12@thebird.nl>
Cc: guix-devel@gnu.org

Pjotr Prins <pjotr.public12@thebird.nl> skribis:

> On Sat, Apr 18, 2015 at 11:23:50PM +0200, Ludovic Court=C3=A8s wrote:

[...]

>> What do you meaning by moving a package with dependencies?
>
> I am thinking about Nix-style closures. But it may only confuse
> things. I don't think the Guix manual covers closures.

I think =E2=80=9CInvoking guix archive=E2=80=9D covers what you have in min=
d.  Maybe it
should be made more visible somehow?

https://www.gnu.org/software/guix/manual/html_node/Invoking-guix-archive.ht=
ml

>> This part is the same as Nix.  The database is here to store meta-data
>> about store items, notably the list of references found in a store item.
>> Determining this list requires scanning all of the store item???s
>> contents, which takes time proportional to the number/size of files it
>> contains, so the database can hardly be avoided.
>
> Yes, I understand. But would it be possible to regenerate the database
> from an existing /gnu/store?

In theory, yes.

> You can see I like to mess around with files ;). With closures a
> rebuild should not be necessary, but as a wary system administrator I
> know I will need it at some point.

What do you mean by =E2=80=9Crebuild should not be necessary=E2=80=9D?  If =
you remove
files from the store manually?

Thanks,
Ludo=E2=80=99.