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-rw-r--r--Makefile.am3
-rw-r--r--doc/guix.texi13
-rw-r--r--guix/scripts/system.scm7
-rw-r--r--guix/scripts/system/edit.scm64
-rw-r--r--po/guix/POTFILES.in1
5 files changed, 86 insertions, 2 deletions
diff --git a/Makefile.am b/Makefile.am
index 968bde8131..f585d00b86 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -308,8 +308,9 @@ MODULES = \
guix/scripts/describe.scm \
guix/scripts/style.scm \
guix/scripts/system.scm \
- guix/scripts/system/search.scm \
+ guix/scripts/system/edit.scm \
guix/scripts/system/reconfigure.scm \
+ guix/scripts/system/search.scm \
guix/scripts/home.scm \
guix/scripts/home/import.scm \
guix/scripts/lint.scm \
diff --git a/doc/guix.texi b/doc/guix.texi
index 0694d10980..42651d87f5 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -36603,6 +36603,19 @@ As for @command{guix package --search}, the result is written in
@code{recutils} format, which makes it easy to filter the output
(@pxref{Top, GNU recutils databases,, recutils, GNU recutils manual}).
+@cindex service type definition, editing
+@cindex editing, service type definition
+@item edit
+Edit or view the definition of the given service types.
+
+For example, the command below opens your editor, as specified by the
+@env{EDITOR} environment variable, on the definition of the
+@code{openssh} service type:
+
+@example
+guix system edit openssh
+@end example
+
@item reconfigure
Build the operating system described in @var{file}, activate it, and
switch to it@footnote{This action (and the related actions
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index eaa245eb44..261a1d226d 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -945,6 +945,8 @@ Some ACTIONS support additional ARGS.\n"))
(display (G_ "\
search search for existing service types\n"))
(display (G_ "\
+ edit edit the definition of an existing service type\n"))
+ (display (G_ "\
reconfigure switch to a new operating system configuration\n"))
(display (G_ "\
roll-back switch to the previous operating system configuration\n"))
@@ -1172,7 +1174,8 @@ Some ACTIONS support additional ARGS.\n"))
"extension-graph" "shepherd-graph"
"list-generations" "describe"
"delete-generations" "roll-back"
- "switch-generation" "search" "docker-image"))
+ "switch-generation" "search" "edit"
+ "docker-image"))
(define (process-action action args opts)
"Process ACTION, a sub-command, with the arguments are listed in ARGS.
@@ -1340,6 +1343,8 @@ argument list and OPTS is the option alist."
(display-system-generation generation))))
((search)
(apply (resolve-subcommand "search") args))
+ ((edit)
+ (apply (resolve-subcommand "edit") args))
;; The following commands need to use the store, but they do not need an
;; operating system configuration file.
((delete-generations)
diff --git a/guix/scripts/system/edit.scm b/guix/scripts/system/edit.scm
new file mode 100644
index 0000000000..d966ee0aaa
--- /dev/null
+++ b/guix/scripts/system/edit.scm
@@ -0,0 +1,64 @@
+;;; 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))))
diff --git a/po/guix/POTFILES.in b/po/guix/POTFILES.in
index 49a8edfef3..5ad3c9f0a8 100644
--- a/po/guix/POTFILES.in
+++ b/po/guix/POTFILES.in
@@ -87,6 +87,7 @@ guix/scripts/pull.scm
guix/scripts/substitute.scm
guix/scripts/authenticate.scm
guix/scripts/system.scm
+guix/scripts/system/edit.scm
guix/scripts/system/search.scm
guix/scripts/lint.scm
guix/scripts/publish.scm