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Re: Reproductibility, Data Services, guix weather
From: |
Ludovic Courtès |
Subject: |
Re: Reproductibility, Data Services, guix weather |
Date: |
Fri, 16 Oct 2020 12:17:40 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) |
Hi!
zimoun <zimon.toutoune@gmail.com> skribis:
> (define %prefix-url
> "https://data.guix-patches.cbaines.net/revision")
>
> (define %suffix-url
> "output_consistency=not-matching&target=none&all_results=on")
>
> (define %json-name "package-derivation-outputs.json")
>
>
> (define* (json-url revision
> #:optional
> (system (%current-system))
> (json %json-name))
> "Return the URL corresponding to REVISION."
> (string-append
> %prefix-url "/" revision "/" json "?" %suffix-url"&system=" system))
>
> (define* (json-file revision
> #:optional
> (system (%current-system))
> (name %json-name)
> (tmp %temporary-directory))
> "Path where the JSON is stored.
>
> By default in %TEMPORARY-DIRECTORY/REV-%JSON-NAME."
> (let ((hash (substring revision 0 6)))
> (string-append tmp "/" hash "-" name "-" system)))
>
> (define (fetch-json revision system)
> "Fetch the JSON file from the Data Service corresponding to REVISION.
>
> Store the result in %TEMPORARY-DIRECTORY."
> (let* ((out (json-file revision system))
> (url (json-url revision system)))
> (url-fetch url out)))
I think it’s a good idea. My suggestion would be to do as for (guix
ci): make a (guix data-service-client) (?) module that contains proper
bindings to a subset of the Data Service APIs, using
‘define-json-mapping’.
Once we have that, we can consider using it in ‘guix weather’ or in new
tools such as the proposed ‘guix git log’.
Ludo’.