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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Release!
Date: Fri, 06 Oct 2017 15:01:42 +0200
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	<20171005201853.436cfcd6@cbaines.net>
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In-Reply-To: <20171005201853.436cfcd6@cbaines.net> (Christopher Baines's
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To: Christopher Baines <mail@cbaines.net>
Cc: guix-devel <guix-devel@gnu.org>

Heya!

Christopher Baines <mail@cbaines.net> skribis:

> Unfortunately, building the ISO image has broken since I was
> successfully using it [1].

Oops, weird.  Let=E2=80=99s investigate.

> One other issue I was thinking of recently was the size of the image. I
> checked an ISO of the installation system I generated a while ago, and
> it's 1.1GB in size. A actual CD can only hold 0.7GB of data. This might
> be something that just needs documenting, saying that this is for a
> DVD, and not a CD, or, it the size could be reduced so that it fits on
> a CD.
>
> When I build the installation system, and run guix size, it says 1031.0
> MiB, so I guess looking at the breakdown there and trying to reduce it
> would be a way to start, if this is a worthwhile objective.

We can do both.  :-)

I think reducing the size of package closures in general is
worthwhile=E2=80=94there=E2=80=99s room for progress.

Yet, we probably won=E2=80=99t make it fit in 650=C2=A0MiB this easily, so =
we should
document this.

Thanks for your feedback,
Ludo=E2=80=99.

> 1: guix system disk-image --file-system-type=3Diso9660
> gnu/system/install.scm
>
> error: changing mode of
> `/tmp/root//gnu/store/jjna4ivyidxfq40mq78g97yzg0wfzcqy-shadow-4.5/bin/su'
> to 100555: Operation not permitted ERROR: In procedure scm-error:
> ERROR: failed to register store items "/xchg/system"