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import/cran: Allow overriding description fetch function.

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* guix/import/cran.scm (cran->guix-package): New keyword argument
FETCH-DESCRIPTION.
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Lars-Dominik Braun 2022-10-18 12:45:45 +02:00 • committed by Ricardo Wurmus
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commit 08028c443e
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guix/import/cran.scm
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@ -645,6 +645,7 @@ from the alist META, which was derived from the R package's DESCRIPTION file."
(define cran->guix-package
(memoize
(lambda* (package-name #:key (repo 'cran) version (license-prefix identity)
(fetch-description fetch-description)
#:allow-other-keys)
"Fetch the metadata for PACKAGE-NAME from REPO and return the `package'
s-expression corresponding to that package, or #f on failure."