Commit Graph

3 Commits

Author SHA1 Message Date
Ludovic Courtès 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
Ludovic Courtès 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
Ludovic Courtès 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