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From: "Ludovic Courtès" <ludo@gnu.org>
To: Timothy Sample <samplet@ngyro.com>
Cc: guix-devel@gnu.org
Subject: Re: Preservation of Guix Report
Date: Thu, 21 Oct 2021 22:47:22 +0200	[thread overview]
Message-ID: <87a6j2w1et.fsf@gnu.org> (raw)
In-Reply-To: <87o87jjx54.fsf@ngyro.com> (Timothy Sample's message of "Wed, 20 Oct 2021 15:48:07 -0400")

Hi Timothy!

Timothy Sample <samplet@ngyro.com> skribis:

> Early this summer I did a bunch of work trying to figure out which Guix
> sources are preserved by the SWH archive.  I’m finally ready to share
> some preliminary results!
>
>     https://ngyro.com/pog-reports/2021-10-20/
>
> This report is already quite outdated, though.  It only covers commits
> up to the end of May, and sometime in June is when the sources were
> checked against the SWH archive.  I’m sharing it now to avoid any
> further delays.

This is truly awesome!  (Did you manage to grab all that info with the
default rate limit?!)

I can’t wait for the updated report now that Simon and yourself have
identified that SWHID computation bug!

Some of our <git-reference> refer to tags, not commits.  How do you
determine whether they’re saved?

‘guix lint -c archival’ uses ‘lookup-origin-revision’, which is a good
approximation, but it’s not 100% reliable because tags can be modified
and that procedure only tells you that a same-named tag was found, not
that it’s the commit you were expecting.  (And really, we should stop
referring to tags.)

Thank you! 👍🏽

Ludo’.


  parent reply	other threads:[~2021-10-21 20:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-20 19:48 Preservation of Guix Report Timothy Sample
2021-10-21  2:04 ` Timothy Sample
2021-10-21  7:39 ` zimoun
2021-10-21 16:26   ` Timothy Sample
2021-10-22  7:58     ` zimoun
2021-10-21 20:47 ` Ludovic Courtès [this message]
2021-10-22  7:53   ` zimoun
2021-10-29 14:12     ` Mutable Git tags & Software Heritage Ludovic Courtès
2021-10-30 16:19       ` zimoun
2021-11-09 16:55         ` Ludovic Courtès
2021-10-22 14:19   ` Preservation of Guix Report Timothy Sample
2021-10-22 17:32     ` Timothy Sample
2021-10-29 14:20     ` Ludovic Courtès

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