guix system: Add 'extension-graph' command.
commitd6c3267a32ae80b5a6f780a1678710ecc958b456
authorLudovic Courtès <ludo@gnu.org>
Wed, 14 Oct 2015 13:48:14 +0000 (14 15:48 +0200)
committerLudovic Courtès <ludo@gnu.org>
Wed, 14 Oct 2015 19:39:05 +0000 (14 21:39 +0200)
tree63a2bc1b8ba582ee026ff453c2048e2730522044
parenta64cd7b65fc9ecf63035bd39e41f8cac5b8dc716
guix system: Add 'extension-graph' command.

* guix/scripts/system.scm (service-node-label, service-node-type,
  export-extension-graph): New procedures.
  (guix-system)[parse-sub-command]: Add 'extension-graph'.
  Honor it.
  (show-help): Add 'extension-graph'.
* doc/guix.texi (Invoking guix system): Document it.
  (Service Composition): Add cross-reference.
doc/guix.texi
guix/scripts/system.scm