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authorLudovic Courtès <ludo@gnu.org>2018-03-27 14:00:48 +0200
committerLudovic Courtès <ludo@gnu.org>2018-03-27 14:51:44 +0200
commitb06a70e05dc6252a3ecb28db5898de7ebc110973 (patch)
tree08ed804b9f76857f02bd0b8ab1f34e13c9a0e026
parentde0021322d010871d2c144f01f9dc4efc5c231c4 (diff)
downloadguix-b06a70e05dc6252a3ecb28db5898de7ebc110973.tar.gz
guix-b06a70e05dc6252a3ecb28db5898de7ebc110973.zip
graph: Add "module" node type.
* guix/scripts/graph.scm (module-from-package) (source-module-dependencies*): New procedures. (%module-node-type): New variable. (%node-types): Add it. * guix/modules.scm (source-module-dependencies): Export. * tests/graph.scm ("module graph"): New test. * doc/guix.texi (Invoking guix graph): Document it.
-rw-r--r--doc/guix.texi9
-rw-r--r--guix/modules.scm3
-rw-r--r--guix/scripts/graph.scm38
-rw-r--r--tests/graph.scm20
4 files changed, 66 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 49b3dd10d7..2204285516 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -6997,6 +6997,15 @@ name instead of a package name, as in:
@example
guix graph -t derivation `guix system build -d my-config.scm`
@end example
+
+@item module
+This is the graph of @dfn{package modules} (@pxref{Package Modules}).
+For example, the following command shows the graph for the package
+module that defines the @code{guile} package:
+
+@example
+guix graph -t module guile | dot -Tpdf > module-graph.pdf
+@end example
@end table
All the types above correspond to @emph{build-time dependencies}. The
diff --git a/guix/modules.scm b/guix/modules.scm
index 6c602eda48..bf656bb241 100644
--- a/guix/modules.scm
+++ b/guix/modules.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -29,6 +29,7 @@
file-name->module-name
module-name->file-name
+ source-module-dependencies
source-module-closure
live-module-closure
guix-module-name?))
diff --git a/guix/scripts/graph.scm b/guix/scripts/graph.scm
index 78f09f181b..346ca4ea88 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 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -27,9 +27,11 @@
#:use-module (guix gexp)
#:use-module (guix derivations)
#:use-module (guix memoization)
+ #:use-module (guix modules)
#:use-module ((guix build-system gnu) #:select (standard-packages))
#:use-module (gnu packages)
#:use-module (guix sets)
+ #:use-module ((guix utils) #:select (location-file))
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-34)
@@ -44,6 +46,7 @@
%derivation-node-type
%reference-node-type
%referrer-node-type
+ %module-node-type
%node-types
guix-graph))
@@ -332,6 +335,36 @@ substitutes."
;;;
+;;; Scheme modules.
+;;;
+
+(define (module-from-package package)
+ (file-name->module-name (location-file (package-location package))))
+
+(define (source-module-dependencies* module)
+ "Like 'source-module-dependencies' but filter out modules that are not
+package modules, while attempting to retain user package modules."
+ (remove (match-lambda
+ (('guix _ ...) #t)
+ (('system _ ...) #t)
+ (('language _ ...) #t)
+ (('ice-9 _ ...) #t)
+ (('srfi _ ...) #t)
+ (_ #f))
+ (source-module-dependencies module)))
+
+(define %module-node-type
+ ;; Show the graph of package modules.
+ (node-type
+ (name "module")
+ (description "the graph of package modules")
+ (convert (lift1 (compose list module-from-package) %store-monad))
+ (identifier (lift1 identity %store-monad))
+ (label object->string)
+ (edges (lift1 source-module-dependencies* %store-monad))))
+
+
+;;;
;;; List of node types.
;;;
@@ -344,7 +377,8 @@ substitutes."
%bag-emerged-node-type
%derivation-node-type
%reference-node-type
- %referrer-node-type))
+ %referrer-node-type
+ %module-node-type))
(define (lookup-node-type name)
"Return the node type called NAME. Raise an error if it is not found."
diff --git a/tests/graph.scm b/tests/graph.scm
index 00fd37243c..5faa19298a 100644
--- a/tests/graph.scm
+++ b/tests/graph.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -271,6 +271,24 @@ edges."
(list txt out))
(equal? edges `((,txt ,out)))))))))))
+(test-assert "module graph"
+ (let-values (((backend nodes+edges) (make-recording-backend)))
+ (run-with-store %store
+ (export-graph '((gnu packages guile)) 'port
+ #:node-type %module-node-type
+ #:backend backend))
+
+ (let-values (((nodes edges) (nodes+edges)))
+ (and (member '(gnu packages guile)
+ (match nodes
+ (((ids labels) ...) ids)))
+ (->bool (and (member (list '(gnu packages guile)
+ '(gnu packages libunistring))
+ edges)
+ (member (list '(gnu packages guile)
+ '(gnu packages bdw-gc))
+ edges)))))))
+
(test-assert "node-edges"
(run-with-store %store
(let ((packages (fold-packages cons '())))