civodul pushed a commit to branch master
in repository guix.

commit 03856dce4ed1d3f76978f7e88bbf2012a4539d1b
Author: Simon Tournier <[email protected]>
AuthorDate: Mon Apr 24 17:51:18 2023 +0200

    scripts: import: crate: Handle non-existent package.
    
    Fixes <https://bugs/gnu.org/63020>.
    
    * guix/scripts/import/crate.scm (guix-import-crate): Handle non-existent
    package input.
    
    Signed-off-by: Ludovic Courtès <[email protected]>
---
 guix/scripts/import/crate.scm | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/guix/scripts/import/crate.scm b/guix/scripts/import/crate.scm
index 97152904ac..038faa87db 100644
--- a/guix/scripts/import/crate.scm
+++ b/guix/scripts/import/crate.scm
@@ -4,6 +4,7 @@
 ;;; Copyright © 2016 David Craven <[email protected]>
 ;;; Copyright © 2019, 2020 Martin Becze <[email protected]>
 ;;; Copyright © 2021 Sarah Morgensen <[email protected]>
+;;; Copyright © 2023 Simon Tournier <[email protected]>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -90,15 +91,16 @@ Import and convert the crates.io package for 
PACKAGE-NAME.\n"))
        (define-values (name version)
          (package-name->name+version spec))
 
-       (if (assoc-ref opts 'recursive)
-           (crate-recursive-import name #:version version)
-           (let ((sexp (crate->guix-package name #:version version 
#:include-dev-deps? #t)))
-             (unless sexp
-               (leave (G_ "failed to download meta-data for package '~a'~%")
-                      (if version
-                          (string-append name "@" version)
-                          name)))
-             (list sexp))))
+       (match (if (assoc-ref opts 'recursive)
+                  (crate-recursive-import name #:version version)
+                  (crate->guix-package name #:version version 
#:include-dev-deps? #t))
+         ((or #f '())
+          (leave (G_ "failed to download meta-data for package '~a'~%")
+                 (if version
+                     (string-append name "@" version)
+                     name)))
+         ((? list? sexps) sexps)
+         (sexp (list sexp))))
       (()
        (leave (G_ "too few arguments~%")))
       ((many ...)

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