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-rw-r--r--guix/import/crate.scm8
1 files changed, 6 insertions, 2 deletions
diff --git a/guix/import/crate.scm b/guix/import/crate.scm
index 287ffd2536..c76d7e9c1a 100644
--- a/guix/import/crate.scm
+++ b/guix/import/crate.scm
@@ -1,6 +1,6 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 David Craven <david@craven.ch>
-;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019, 2020 Martin Becze <mjbecze@riseup.net>
;;; Copyright © 2021 Nicolas Goaziou <mail@nicolasgoaziou.fr>
;;;
@@ -79,7 +79,10 @@
(number crate-version-number "num") ;string
(download-path crate-version-download-path "dl_path") ;string
(readme-path crate-version-readme-path "readme_path") ;string
- (license crate-version-license "license") ;string
+ (license crate-version-license "license" ;string | #f
+ (match-lambda
+ ('null #f)
+ ((? string? str) str)))
(links crate-version-links)) ;alist
;; Crate dependency. Each dependency (each edge in the graph) is annotated as
@@ -198,6 +201,7 @@ and LICENSE."
(description ,(beautify-description description))
(license ,(match license
(() #f)
+ (#f #f)
((license) license)
(_ `(list ,@license)))))))
(close-port port)