emacs: Add 'guix-graph-type-names'.

* emacs/guix-main.scm: Use (guix scripts graph) module.
  (graph-type-names): New procedure.
* emacs/guix-base.el (guix-graph-type-names): New function.

2 files changed, 9 insertions, 0 deletions

diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index daf15bf45b..1f4a00ce59 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -183,6 +183,10 @@ If PATH is relative, it is considered to be relative to
 
 ;;; Receivable lists of packages, lint checkers, etc.
 
+(guix-memoized-defun guix-graph-type-names ()
+  "Return a list of names of available graph node types."
+  (guix-eval-read (guix-make-guile-expression 'graph-type-names)))
+
 (guix-memoized-defun guix-lint-checker-names ()
   "Return a list of names of available lint checkers."
   (guix-eval-read (guix-make-guile-expression 'lint-checker-names)))
diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm
index 2c5b0baa65..191aa8d5cf 100644
--- a/emacs/guix-main.scm
+++ b/emacs/guix-main.scm
@@ -57,6 +57,7 @@
  (guix licenses)
  (guix utils)
  (guix ui)
+ (guix scripts graph)
  (guix scripts lint)
  (guix scripts package)
  (guix scripts pull)
@@ -932,6 +933,10 @@ GENERATIONS is a list of generation numbers."
 
 ;;; Lists of packages, lint checkers, etc.
 
+(define (graph-type-names)
+  "Return a list of names of available graph node types."
+  (map node-type-name %node-types))
+
 (define (lint-checker-names)
   "Return a list of names of available lint checkers."
   (map (lambda (checker)