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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Generation 0
Date: Sun, 22 Sep 2013 23:15:36 +0200
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In-Reply-To: <87hadcr4sh.fsf_-_@karetnikov.org> (Nikita Karetnikov's message
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To: Nikita Karetnikov <nikita@karetnikov.org>
Cc: guix-devel@gnu.org

Nikita Karetnikov <nikita@karetnikov.org> skribis:

> I think we should change =E2=80=98--list-generations=E2=80=99 to not outp=
ut the zeroth
> generation.  Even though it could be present in the profile, users
> shouldn=E2=80=99t be concerned about it.

Agreed.

> Currently, =E2=80=98--delete-generations=E2=80=99 ignores the zeroth gene=
ration.  Other
> options seem even more confusing:
>
> 1. If you don=E2=80=99t have any other generations and delete it, profile
>    couldn=E2=80=99t point to anything.
>
> 2. If you delete it along with the profile, users might be confused (or
>    angry).
>
> WDYT?

I think it should be impossible to remove Generation 0 through the
command-line tools, because that generation exists precisely so that the
profile always points to something valid.

So yes, =E2=80=98--delete-generations=E2=80=99 must ignore Generation 0.

Ludo=E2=80=99.