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From: Lars-Dominik Braun <lars@6xq.net>
To: Xinglu Chen <public@yoctocell.xyz>
Cc: 50618@debbugs.gnu.org
Subject: [bug#50618] [PATCH] import: stackage: Don’t try to update packages not available on Stackage.
Date: Wed, 22 Sep 2021 08:07:32 +0200	[thread overview]
Message-ID: <YUrIJHXn2JUyBFUd@noor.fritz.box> (raw)
In-Reply-To: <33ce44c6b5dc4f0c2ea2cf7a8402807d91e849a6.1631791821.git.public@yoctocell.xyz>

Hi,

> +(define (stackage-package? package)
> +  "Whether PACKAGE is available on the default Stackage LTS release."
> +  (and (hackage-package? package)
> +       (guard (c ((and (http-get-error? c)
> +                       (= 404 (http-get-error-code c)))
> +                  #f))
> +         (let* ((name (guix-package->hackage-name package))
> +                (url (string-append (%stackage-url) "/lts-"
> +                                    %default-lts-version "/package/" name)))
> +           (http-fetch url)))))
> +
since stackage-lts-info-fetch is memoized, wouldn’t it be cheaper
to look up the package there? (At least for lots of packages.)

Cheers,
Lars





  reply	other threads:[~2021-09-22  6:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16 11:31 [bug#50618] [PATCH] import: stackage: Don’t try to update packages not available on Stackage Xinglu Chen
2021-09-22  6:07 ` Lars-Dominik Braun [this message]
2021-09-22 12:37   ` Xinglu Chen
2021-09-22 15:31 ` [bug#50618] [PATCH v2] " Xinglu Chen
2021-09-27  9:18   ` Lars-Dominik Braun
2021-09-27  9:56     ` Xinglu Chen
2021-09-27 11:59       ` bug#50618: " Lars-Dominik Braun

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