e144e3427d
graph: Add 'node-reachable-count'.
...
* guix/graph.scm (node-reachable-count): New procedure.
* tests/graph.scm ("node-reachable-count"): New test.
2016-05-24 00:06:01 +02:00
623e4df42a
graph: Expose 'traverse/depth-first'.
...
* guix/graph.scm (traverse/depth-first): New procedure, based on code
formerly in 'node-transitive-edges'.
(node-transitive-edges): Rewrite in terms of it.
2016-05-24 00:06:01 +02:00
a773c3142d
graph: Allow store file names for 'derivation' and 'references' graphs.
...
* guix/scripts/graph.scm (%derivation-node-type)[convert]: Add
'derivation-path?' and catch-all clauses.
(%reference-node-type)[convert]: Add 'store-path?' and catch-all
clauses.
(assert-package, nodes-from-package): New procedures.
(%package-node-type, %bag-node-type,%bag-with-origins-node-type)
(%bag-emerged-node-type): Add 'convert' field
(guix-graph): Rename 'packages' to 'items' and
allow 'store-path?' arguments.
* guix/graph.scm (<node-type>)[convert]: Adjust comment.
* doc/guix.texi (Invoking guix graph): Document it.
2016-05-21 01:35:14 +02:00
8463d1345e
graph: Edges are colored based on their source node.
...
* guix/graph.scm (%colors): New variable.
(pop-color): New procedure.
(emit-edge): Use it.
2016-04-02 22:40:18 +02:00
923d846c4d
graph: Add procedures to query a node's edges.
...
* guix/graph.scm (%node-edges, node-edges, node-back-edges)
(node-transitive-edges): New procedures.
* tests/graph.scm ("node-edges")
("node-transitive-edges + node-back-edges"): New tests.
2015-11-21 16:26:43 +01:00
8fb583714f
Add (guix graph).
...
* guix/scripts/graph.scm (<node-type>, <graph-backend>, emit-prologue)
(emit-epilogue, emit-node, emit-edge, %graphviz-backend, export-graph):
Move to...
* guix/graph.scm: ... here. New file.
* guix/scripts/system.scm, tests/graph.scm: Use it.
* Makefile.am (MODULES): Add it.
2015-11-21 16:26:43 +01:00
Ludovic Courtès