From 10a1cacb164fe0f141bd34350ec1250cef06a43c Mon Sep 17 00:00:00 2001 From: Ricardo Wurmus Date: Thu, 20 Dec 2018 09:37:58 +0100 Subject: import: cran: Try import via CRAN if package is not on Bioconductor. * guix/import/cran.scm (fetch-description): Return #F on failure. (cran->guix-package): Retry from CRAN on failure to fetch description from bioconductor. --- guix/import/cran.scm | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/guix/import/cran.scm b/guix/import/cran.scm index 8f2c10258a..aaa1caf035 100644 --- a/guix/import/cran.scm +++ b/guix/import/cran.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2015, 2016, 2017 Ricardo Wurmus +;;; Copyright © 2015, 2016, 2017, 2018 Ricardo Wurmus ;;; Copyright © 2015, 2016, 2017 Ludovic Courtès ;;; Copyright © 2017 Mathieu Othacehe ;;; @@ -23,6 +23,7 @@ (define-module (guix import cran) #:use-module (ice-9 regex) #:use-module ((ice-9 rdelim) #:select (read-string read-line)) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-2) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (ice-9 receive) @@ -180,9 +181,9 @@ (define (fetch-description repository name) ;; Currently, the bioconductor project does not offer a way to access a ;; package's DESCRIPTION file over HTTP, so we determine the version, ;; download the source tarball, and then extract the DESCRIPTION file. - (let* ((version (latest-bioconductor-package-version name)) - (url (car (bioconductor-uri name version))) - (tarball (with-store store (download-to-store store url)))) + (and-let* ((version (latest-bioconductor-package-version name)) + (url (car (bioconductor-uri name version))) + (tarball (with-store store (download-to-store store url)))) (call-with-temporary-directory (lambda (dir) (parameterize ((current-error-port (%make-void-port "rw+")) @@ -346,8 +347,12 @@ (define cran->guix-package (lambda* (package-name #:optional (repo 'cran)) "Fetch the metadata for PACKAGE-NAME from REPO and return the `package' s-expression corresponding to that package, or #f on failure." - (and=> (fetch-description repo package-name) - (cut description->package repo <>))))) + (let ((description (fetch-description repo package-name))) + (if (and (not description) + (eq? repo 'bioconductor)) + ;; Retry import from CRAN + (cran->guix-package package-name 'cran) + (description->package repo description)))))) (define* (cran-recursive-import package-name #:optional (repo 'gnu)) (recursive-import package-name repo -- cgit v1.2.3