guix-kreyren/guix/scripts/system/edit.scm
Ludovic Courtès 3f83c0b7c7
guix system: Add 'edit' sub-command.
* guix/scripts/system/edit.scm: New file.
* Makefile.am (MODULES): Add it.
* guix/scripts/system.scm (show-help): Mention "edit".
(actions): Add it.
(process-command): Handle it.
* doc/guix.texi (Invoking guix system): Document it.
* po/guix/POTFILES.in: Add guix/scripts/system/edit.scm.
2022-06-04 12:04:24 +02:00

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix scripts system edit)
#:use-module (guix diagnostics)
#:use-module (guix i18n)
#:use-module (guix ui)
#:autoload (guix utils) (string-closest)
#:use-module (gnu services)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:autoload (guix scripts edit) (spawn-editor)
#:export (guix-system-edit))
(define (service-type-not-found type)
"Report an error about @var{type} not being found and exit."
(report-error (G_ "~a: no such service type~%") type)
(let* ((type (symbol->string type))
(available (fold-service-types (lambda (type lst)
(cons (symbol->string
(service-type-name type))
lst))
'()))
(closest (string-closest type available)))
(unless (or (not closest) (string=? closest type))
(display-hint (format #f (G_ "Did you mean @code{~a}?~%")
closest))))
(exit 1))
(define (guix-system-edit . args)
(when (null? args)
(leave (G_ "no service types specified, nothing to edit~%")))
(let* ((types (append-map (lambda (type)
(let ((type (string->symbol type)))
(match (lookup-service-types type)
(() (service-type-not-found type))
((one) (list one))
(lst
(warning (N_ "~a: ~a matching service type~%"
"~a: ~a matching service types~%"
(length lst))
type (length lst))
lst))))
args)))
(spawn-editor (filter-map service-type-location types))))