diff options
| -rw-r--r-- | guix/scripts/system.scm | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm index 83bbefd3dc..65eb98e4b2 100644 --- a/guix/scripts/system.scm +++ b/guix/scripts/system.scm @@ -9,6 +9,7 @@ ;;; Copyright © 2020 Julien Lepiller <julien@lepiller.eu> ;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il> ;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re> +;;; Copyright © 2021 Simon Tournier <zimon.toutoune@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -1152,6 +1153,13 @@ Some ACTIONS support additional ARGS.\n")) ;;; Entry point. ;;; +(define actions '("build" "container" "vm" "vm-image" "image" "disk-image" + "reconfigure" "init" + "extension-graph" "shepherd-graph" + "list-generations" "describe" + "delete-generations" "roll-back" + "switch-generation" "search" "docker-image")) + (define (process-action action args opts) "Process ACTION, a sub-command, with the arguments are listed in ARGS. ACTION must be one of the sub-commands that takes an operating system @@ -1335,17 +1343,18 @@ argument list and OPTS is the option alist." (define (parse-sub-command arg result) ;; Parse sub-command ARG and augment RESULT accordingly. - (if (assoc-ref result 'action) - (alist-cons 'argument arg result) - (let ((action (string->symbol arg))) - (case action - ((build container vm vm-image image disk-image reconfigure init - extension-graph shepherd-graph - list-generations describe - delete-generations roll-back - switch-generation search docker-image) - (alist-cons 'action action result)) - (else (leave (G_ "~a: unknown action~%") action)))))) + (cond ((assoc-ref result 'action) + (alist-cons 'argument arg result)) + ((member arg actions) + (let ((action (string->symbol arg))) + (alist-cons 'action action result))) + (else + (let ((hint (string-closest arg actions #:threshold 3))) + (report-error (G_ "~a: unknown action~%") arg) + (when hint + (display-hint + (format #f (G_ "Did you mean @code{~a}?~%") hint))) + (exit 1))))) (define (match-pair car) ;; Return a procedure that matches a pair with CAR. |