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-rw-r--r--guix/import/cran.scm6
-rw-r--r--tests/cran.scm6
2 files changed, 11 insertions, 1 deletions
diff --git a/guix/import/cran.scm b/guix/import/cran.scm
index be34a75c8d..a94051655c 100644
--- a/guix/import/cran.scm
+++ b/guix/import/cran.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015, 2016, 2017 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -374,7 +375,7 @@ dependencies."
(start (string-rindex url #\/)))
;; The URL ends on
;; (string-append "/" name "_" version ".tar.gz")
- (substring url (+ start 1) end)))
+ (and start end (substring url (+ start 1) end))))
(_ #f)))
(_ #f)))))
@@ -415,6 +416,9 @@ dependencies."
(define (cran-package? package)
"Return true if PACKAGE is an R package from CRAN."
(and (string-prefix? "r-" (package-name package))
+ ;; Check if the upstream name can be extracted from package uri.
+ (package->upstream-name package)
+ ;; Check if package uri(s) are prefixed by "mirror://cran".
(match (and=> (package-source package) origin-uri)
((? string? uri)
(string-prefix? "mirror://cran" uri))
diff --git a/tests/cran.scm b/tests/cran.scm
index c162d45d8a..d785ec5db1 100644
--- a/tests/cran.scm
+++ b/tests/cran.scm
@@ -1,5 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -17,6 +18,7 @@
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (test-cran)
+ #:use-module (gnu packages statistics)
#:use-module (guix import cran)
#:use-module (guix tests)
#:use-module (srfi srfi-1)
@@ -86,6 +88,10 @@ Date/Publication: 2015-07-14 14:15:16
'()
((@@ (guix import cran) listify) simple-alist "BadList"))
+(test-equal "r-mininal is not a cran package"
+ #f
+ ((@@ (guix import cran) cran-package?) r-minimal))
+
(test-assert "description->package"
;; Replace network resources with sample data.
(mock ((guix build download) url-fetch