Re: Preservation of Guix Report 2021-11-30

["Ludovic Courtès" <ludo@gnu.org>]

Hi!

Timothy Sample <samplet@ngyro.com> skribis:

> Here’s a new version of the Preservation of Guix Report:
>
>     <https://ngyro.com/pog-reports/2021-11-30/>

The PoG reports are all 404 right now.

> Here’s what I wrote:
>
>>  This version has a breakdown by different origin types.  The good
>>  news is that Git origins are doing very well.  We’ve confirmed that
>>  97.2% of the 9,272 Git origins that we’re tracking are in the SWH
>>  archive.  Most of the progress there is due to zimoun wading through
>>  the missing packages and telling SWH to store them – thanks, zimoun!

Yay!

> That’s still basically true this month, but we have a few more missing
> Git sources.  Actually, we are starting to lose sources!  If you look at
> the graph of commits, you can see a sharp increase in missing sources
> for recent commits.  It looks like a problem on the SWH side.  Visiting
> [1] and selecting “Show all visits”, you can see that the nixguix loader
> has been having trouble loading our “sources.json” recently.
>
> [1] <https://archive.softwareheritage.org/browse/origin/visits/?origin_url=https://guix.gnu.org/sources.json>
>
> I will try and get in touch with SWH about this.  While it’s troubling,
> it certainly is a good confirmation that doing some basic monitoring is
> important!

Yup.

> That’s the bad news.  The good news is I’ve added support for XZ to
> Disarchive (to be officially released in Disarchive soon).  That means
> that we have information about 4K more sources.  We now know the status
> of 80% of our sources.  Unfortunately, 40% of the XZ sources are
> missing!  Most of them are old, as can be seen in this (secret) graph:
>
>     <https://ngyro.com/pog-reports/2021-11-30/tar-xz-rel-hist.svg>
>
> (The filename format is “{tar-gz,tar-xz,git}-{rel,abs}-hist.svg” if you
> want to see all the secret graphs.)

Can’t wait to see the secret graphs.  :-)

Thanks!

Ludo’.