@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015-2016, 2020-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Ricardo Wurmus <rekado@elephly.net>
;;;
;;; This file is part of GNU Guix.
@@ -22,10 +22,13 @@ (define-module (guix graph)
#:use-module (guix monads)
#:use-module (guix records)
#:use-module (guix sets)
+ #:autoload (guix diagnostics) (formatted-message)
+ #:autoload (guix i18n) (G_)
#:use-module (rnrs io ports)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-26)
+ #:use-module (srfi srfi-34)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist)
#:export (node-type
@@ -47,6 +50,8 @@ (define-module (guix graph)
%graph-backends
%d3js-backend
%graphviz-backend
+ lookup-backend
+
graph-backend?
graph-backend
graph-backend-name
@@ -335,6 +340,13 @@ (define %graph-backends
%d3js-backend
%cypher-backend))
+(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)
+ (raise (formatted-message (G_ "~a: unknown graph backend") name))))
+
(define* (export-graph sinks port
#:key
reverse-edges? node-type (max-depth +inf.0)
@@ -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 @@ (define (lookup-node-type name)
%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"))
@@ -51,7 +51,7 @@ (define-module (guix scripts system)
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 @@ (define bootcfg
(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."
@@ -66,6 +66,7 @@ guix/ci.scm
guix/cve.scm
guix/git-authenticate.scm
guix/gnupg.scm
+guix/graph.scm
guix/lint.scm
guix/scripts/download.scm
guix/scripts/package.scm