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-rw-r--r--guix/scripts/time-machine.scm5
1 files changed, 5 insertions, 0 deletions
diff --git a/guix/scripts/time-machine.scm b/guix/scripts/time-machine.scm
index 0d27414702..4aafd432e8 100644
--- a/guix/scripts/time-machine.scm
+++ b/guix/scripts/time-machine.scm
@@ -1,6 +1,7 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2019 Konrad Hinsen <konrad.hinsen@fastmail.net>
;;; Copyright © 2019, 2020 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -118,6 +119,10 @@ Execute COMMAND ARGS... in an older version of Guix.\n"))
(let-values (((args command) (break (cut string=? "--" <>) args)))
(let ((opts (parse-command-line args %options
(list %default-options))))
+ (when (assoc-ref opts 'argument)
+ (leave (G_ "~A: extraneous argument~%")
+ (assoc-ref opts 'argument)))
+
(match command
(() opts)
(("--") opts)