gnu-maintenance: Avoid network access in 'gnu-package?'.
* guix/gnu-maintenance.scm (gnu-package?): Add 'mirror-type' procedure. Resort to 'official-gnu-packages' only when 'mirror-type' returns #f.
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@ -167,13 +167,22 @@
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(lambda (package)
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"Return true if PACKAGE is a GNU package. This procedure may access the
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network to check in GNU's database."
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;; TODO: Find a way to determine that a package is non-GNU without going
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;; through the network.
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(define (mirror-type url)
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(let ((uri (string->uri url)))
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(and (eq? (uri-scheme uri) 'mirror)
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(if (member (uri-host uri) '("gnu" "gnupg" "gcc"))
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'gnu
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'non-gnu))))
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(let ((url (and=> (package-source package) origin-uri))
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(name (package-name package)))
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(or (and (string? url) (string-prefix? "mirror://gnu" url))
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(case (and url (mirror-type url))
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((gnu) #t)
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((non-gnu) #f)
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(else
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;; Last resort: resort to the network.
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(and (member name (map gnu-package-name (official-gnu-packages)))
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#t)))))))
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#t))))))))
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;;;
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