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authorzimoun <zimon.toutoune@gmail.com>2021-09-01 11:57:55 +0200
committerLudovic Courtès <ludo@gnu.org>2021-09-07 15:59:34 +0200
commit1cf866c863e38bc2a61077e38f416fe3d310e340 (patch)
tree2c27538dff3aa8450a986d634127c28bce67d246
parent96db2ff145ecbd962206eae815b065bda7ed3d9f (diff)
downloadguix-1cf866c863e38bc2a61077e38f416fe3d310e340.tar.gz
import: Add hint for importer typo.
* guix/scripts/import.scm (define-command): Add hint.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
-rw-r--r--guix/scripts/import.scm8
1 files changed, 7 insertions, 1 deletions
diff --git a/guix/scripts/import.scm b/guix/scripts/import.scm
index b369a362d0..11e94769bb 100644
--- a/guix/scripts/import.scm
+++ b/guix/scripts/import.scm
@@ -3,6 +3,7 @@
 ;;; Copyright © 2014 David Thompson <davet@gnu.org>
 ;;; Copyright © 2018 Kyle Meyer <kyle@kyleam.com>
 ;;; Copyright © 2019 Ricardo Wurmus <rekado@elephly.net>
+;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -130,4 +131,9 @@ Run IMPORTER with ARGS.\n"))
                         expressions))
              (x
               (leave (G_ "'~a' import failed~%") importer))))
-         (leave (G_ "~a: invalid importer~%") importer)))))
+         (let ((hint (string-closest importer importers #:threshold 3)))
+           (report-error (G_ "~a: invalid importer~%") importer)
+           (when hint
+             (display-hint
+              (format #f (G_ "Did you mean @code{~a}?~%") hint)))
+           (exit 1))))))