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authorLudovic Courtès <ludo@gnu.org>2022-03-11 21:13:31 +0100
committerLudovic Courtès <ludo@gnu.org>2022-03-18 16:03:33 +0100
commitf5a94b3a9f5b62e79d616e9631a5137f1a100f69 (patch)
tree19b2318316cc1ad6fa4bbb4114288a883081bc09 /guix/scripts
parent625fa3cfe8c57cd5624608d2478c8c6be4c69c3b (diff)
graph: Factorize 'lookup-backend'.
* guix/graph.scm (lookup-backend): New procedure. * guix/scripts/graph.scm (lookup-backend): Remove. * guix/scripts/system.scm (lookup-backend): Remove. * po/guix/POTFILES.in: Add 'guix/graph.scm'.
Diffstat (limited to 'guix/scripts')
-rw-r--r--guix/scripts/graph.scm9
-rw-r--r--guix/scripts/system.scm9
2 files changed, 2 insertions, 16 deletions
diff --git a/guix/scripts/graph.scm b/guix/scripts/graph.scm
index 8943e87099..535875c858 100644
--- a/guix/scripts/graph.scm
+++ b/guix/scripts/graph.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2019 Simon Tournier <zimon.toutoune@gmail.com>
;;;
;;; This file is part of GNU Guix.
@@ -429,13 +429,6 @@ package modules, while attempting to retain user package modules."
%node-types)
(leave (G_ "~a: unknown node type~%") name)))
-(define (lookup-backend name)
- "Return the graph backend called NAME. Raise an error if it is not found."
- (or (find (lambda (backend)
- (string=? (graph-backend-name backend) name))
- %graph-backends)
- (leave (G_ "~a: unknown backend~%") name)))
-
(define (list-node-types)
"Print the available node types along with their synopsis."
(display (G_ "The available node types are:\n"))
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index a6e717d52c..6f7dcd4643 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -51,7 +51,7 @@
delete-matching-generations)
#:autoload (guix scripts pull) (channel-commit-hyperlink)
#:autoload (guix graph) (export-graph node-type
- graph-backend-name %graph-backends)
+ graph-backend-name lookup-backend)
#:use-module (guix scripts graph)
#:use-module (guix scripts system reconfigure)
#:use-module (guix build utils)
@@ -887,13 +887,6 @@ Run 'herd status' to view the list of services on your system.\n"))))))
(register-root* (list output) gc-root))
(return output)))))))))
-(define (lookup-backend name) ;TODO: factorize
- "Return the graph backend called NAME. Raise an error if it is not found."
- (or (find (lambda (backend)
- (string=? (graph-backend-name backend) name))
- %graph-backends)
- (leave (G_ "~a: unknown backend~%") name)))
-
(define* (export-extension-graph os port
#:key (backend (lookup-backend "graphviz")))
"Export the service extension graph of OS to PORT using BACKEND."