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From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: Reproducible installation images
Date: Fri, 15 Dec 2017 15:37:14 +0100
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In-Reply-To: <87d13jd1of.fsf@netris.org> (Mark H. Weaver's message of "Tue, 12
	Dec 2017 17:25:04 -0500")
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To: Mark H Weaver <mhw@netris.org>
Cc: guix-devel@gnu.org

Mark H Weaver <mhw@netris.org> skribis:

> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>
>> Mark H Weaver <mhw@netris.org> skribis:
>>
>>> ludo@gnu.org (Ludovic Court=C3=A8s) writes:
>>>
>>>> Mark H Weaver <mhw@netris.org> skribis:
>>>>
>>>>> To enable independent verification of these installer images, it would
>>>>> be helpful to include the precise commands needed to reproduce these
>>>>> images, and the git commit to run them on.
>>>>>
>>>>> What do you think?
>>>>
>>>> The manual already gives those commands:
>>>>
>>>>   https://www.gnu.org/software/guix/manual/html_node/Binary-Installati=
on.html (bottom)
>>>>   https://www.gnu.org/software/guix/manual/html_node/Building-the-Inst=
allation-Image.html
>>>
>>> They give the commands, but they do not provide the git commit that you
>>> ran these commands on.
>>
>> True.  So the announcements could say something like:
>>
>>   See the =E2=80=9CBinary Installation=E2=80=9D and =E2=80=9CBuilding th=
e Installation Image=E2=80=9D
>>   sections of the manual on how to recreate these binary images.  The
>>   =E2=80=98guix-binary=E2=80=99 tarballs were created from the =E2=80=98=
v0.14.0=E2=80=99 Git tag; the
>>   =E2=80=98guixsd-=E2=80=99 images were created from the tip of the =E2=
=80=98version-0.14.0=E2=80=99
>>   branch.
>
> This looks good, except for the "tip of the =E2=80=98version-0.14.0=E2=80=
=99 branch"
> reference, which may change over time.  Ideally, the commit references
> should be reliably immutable.
>
> What do you think?

Yes, you=E2=80=99re right.

This reminds me we should probably automate the announcement generation
entirely (=C3=A0 la Gnulib announce-gen but customized).

Ludo=E2=80=99.