GNU bug report logs - #45615
Wrong type argument in "guix lint -c archival"

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Message #11 received at 45615 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: zimoun <zimon.toutoune <at> gmail.com>
Cc: 45615 <at> debbugs.gnu.org, Hartmut Goebel <h.goebel <at> crazy-compilers.com>
Subject: Re: bug#45615: SWH API break?
Date: Mon, 11 Jan 2021 14:12:14 +0100

Hi!

zimoun <zimon.toutoune <at> gmail.com> skribis:

> It comes from 'visit-snapshot-url' returning #<unspecified> instead of
> #f.  Then 'swh-url' fails because the 'path' argument is not a string.
>
> Well, I do not how to fix it.  I am confused by:
>
> ;; <https://archive.softwareheritage.org/api/1/origin/52181937/visits/>
> (define-json-mapping <visit> make-visit visit?
>   json->visit
>   (date visit-date "date" string->date*)
>   (origin visit-origin)
>   (url visit-url "origin_visit_url")
>   (snapshot-url visit-snapshot-url "snapshot_url" string*) ;string | #f
>   (status visit-status "status" string->symbol)   ;'full | 'partial | 'ongoing
>   (number visit-number "visit"))
>
> and why it is not string or #f.

As discussed on IRC the other day, the culprit seems to be the recent
guile-json upgrade (from 4.3.2 to 4.4.1, commit
f9e1baa8933ea2ed385d0272dbfbe4e22f192bde).

Were you able to check the raw JSON and see where the value is getting
lost?

Thanks,
Ludo’.

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