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time-machine: Fail when unrecognized option.

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* guix/scripts/time-machine (parse-args): Fail when unrecognized option.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>
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zimoun 2021-02-10 22:48:04 +01:00 committed by Ludovic Courtès
parent b168acae2a
commit f1c4df15c3
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guix/scripts/time-machine.scm
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@ -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)