From: ludo@gnu.org (Ludovic Courtès)
To: ericbavier@openmailbox.org
Cc: guix-devel@gnu.org, Eric Bavier <bavier@member.fsf.org>
Subject: Re: [PATCH 3/3] import: Add Hackage updater.
Date: Mon, 28 Mar 2016 18:12:05 +0200 [thread overview]
Message-ID: <87oa9ysht6.fsf@gnu.org> (raw)
In-Reply-To: <1458705269-31766-3-git-send-email-ericbavier@openmailbox.org> (ericbavier@openmailbox.org's message of "Tue, 22 Mar 2016 22:54:29 -0500")
ericbavier@openmailbox.org skribis:
> From: Eric Bavier <bavier@member.fsf.org>
>
> * guix/import/hackage.scm (guix-package->hackage-name, hackage-package?)
> (latest-release): New procedures.
> (%hackage-updater): New variable.
> * guix/scripts/refresh.scm (%updaters): Add it.
> * doc/guix.texi (Invoking guix refresh): Mention it.
[...]
> +(define guix-package->hackage-name
> + (let ((uri-rx (make-regexp "https?://hackage.haskell.org/package/([^/]+)/.*"))
> + (name-rx (make-regexp "(.*)-[0-9\\.]+")))
> + (lambda (package)
> + "Given a Guix package name, return the corresponding Hackage name."
> + (let* ((source-url (and=> (package-source package) origin-uri))
> + (name (match:substring (regexp-exec uri-rx source-url) 1)))
> + (match (regexp-exec name-rx name)
> + (#f name)
> + (m (match:substring m 1)))))))
It might be useful to honor a ‘cabal-package-name’ property in cases
where guessing doesn’t work. That can always be added later, though.
[...]
> %elpa-updater
> %cran-updater
> %bioconductor-updater
> + %hackage-updater
Make it:
((guix import hackage) => %hackage-importer)
to be on the safe side.
If you confirm that ‘guix refresh -t hackage’ doesn’t crash, go for it!
Thank you!
Ludo’.
next prev parent reply other threads:[~2016-03-28 16:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-23 3:54 [PATCH 1/3] import: hackage: Silence download output ericbavier
2016-03-23 3:54 ` [PATCH 2/3] import: hackage: Factorize url synthesis ericbavier
2016-03-28 16:08 ` Ludovic Courtès
2016-03-23 3:54 ` [PATCH 3/3] import: Add Hackage updater ericbavier
2016-03-28 16:12 ` Ludovic Courtès [this message]
2016-03-30 1:53 ` Eric Bavier
2016-03-30 21:16 ` Ludovic Courtès
2016-03-28 16:07 ` [PATCH 1/3] import: hackage: Silence download output Ludovic Courtès
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