guix system: Rename 'dmd-graph' to 'shepherd-graph'.

* doc/images/dmd-graph.dot: Rename to...
* doc/images/shepherd-graph.dot: ... this.
* doc.am (DOT_FILES): Adjust accordingly.
* guix/scripts/system.scm (dmd-service-node-label)
  (dmd-service-node-type, export-dmd-graph): Rename to...
  (shepherd-service-node-label, shepherd-service-node-type)
  (export-shepherd-graph): ... this.
  (show-help, process-action, process-command): Rename 'dmd-graph' to
  'shepherd-graph'.
* emacs/guix-command.el (guix-command-additional-execute-arguments)
  (guix-command-special-executors): Likewise.
* doc/guix.texi: Likewise.
* doc/emacs.texi (Emacs Popup Interface): Likewise.

3 files changed, 7 insertions, 7 deletions

diff --git a/doc/emacs.texi b/doc/emacs.texi
index 8020e0ace3..92a9107ad1 100644
--- a/doc/emacs.texi
+++ b/doc/emacs.texi
@@ -578,7 +578,7 @@ GNU Emacs Manual}).
 
 @end itemize
 
-Several commands (@command{guix graph}, @command{guix system dmd-graph}
+Several commands (@command{guix graph}, @command{guix system shepherd-graph}
 and @command{guix system extension-graph}) also have a ``View graph''
 action, which allows you to view a generated graph using @command{dot}
 command (specified by @code{guix-dot-program} variable).  By default a
diff --git a/doc/guix.texi b/doc/guix.texi
index dd2f490233..63f5d327cf 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -9348,8 +9348,8 @@ $ guix system extension-graph @var{file} | dot -Tpdf > services.pdf
 
 produces a PDF file showing the extension relations among services.
 
-@anchor{system-dmd-graph}
-@item dmd-graph
+@anchor{system-shepherd-graph}
+@item shepherd-graph
 Emit in Dot/Graphviz format to standard output the @dfn{dependency
 graph} of shepherd services of the operating system defined in
 @var{file}.  @xref{Shepherd Services}, for more information and for an
@@ -9795,11 +9795,11 @@ started, which in turn can only happen once all the file systems have
 been mounted.  The simple operating system defined earlier (@pxref{Using
 the Configuration System}) results in a service graph like this:
 
-@image{images/dmd-graph,,5in,Typical dmd service graph.}
+@image{images/shepherd-graph,,5in,Typical shepherd service graph.}
 
 You can actually generate such a graph for any operating system
-definition using the @command{guix system dmd-graph} command
-(@pxref{system-dmd-graph, @command{guix system dmd-graph}}).
+definition using the @command{guix system shepherd-graph} command
+(@pxref{system-shepherd-graph, @command{guix system shepherd-graph}}).
 
 The @var{%shepherd-root-service} is a service object representing
 PID@tie{}1, of type @var{shepherd-root-service-type}; it can be extended
diff --git a/doc/images/dmd-graph.dot b/doc/images/shepherd-graph.dot
index 220a2afca1..cc9aa441a1 100644
--- a/doc/images/dmd-graph.dot
+++ b/doc/images/shepherd-graph.dot
@@ -1,4 +1,4 @@
-digraph "Guix dmd-service" {
+digraph "Guix shepherd-service" {
   "user-file-systems" [label = "user-file-systems", shape = box, fontname = Helvetica];
   "user-processes" -> "user-file-systems" [color = red];
   "user-processes" [label = "user-processes", shape = box, fontname = Helvetica];