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emacs: Add "View graph" action to graph popup.

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* emacs/guix-command.el: Require 'guix-external'.
  (guix-run-view-graph): New function.
  (guix-command-additional-execute-arguments,
  guix-command-special-executors): Add entries for "View graph" action.
This commit is contained in:
Alex Kost 2015-08-30 18:52:30 +03:00
parent 32c0b6d78c
commit 761d6fd9c1
1 changed files with 16 additions and 2 deletions
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18
emacs/guix-command.el
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@ -65,6 +65,7 @@
(require 'guix-help-vars)
(require 'guix-read)
(require 'guix-base)
(require 'guix-external)
(defgroup guix-commands nil
"Settings for guix popup windows."
@ -490,7 +491,9 @@ to be modified."
"List of default 'execute' action arguments.")
(defvar guix-command-additional-execute-arguments
nil
`((("graph")
,(guix-command-make-argument
:name "view" :char ?v :doc "View graph")))
"Alist of guix commands and additional 'execute' action arguments.")
(defun guix-command-execute-arguments (commands)
@ -508,7 +511,9 @@ to be modified."
'((("environment")
("repl" . guix-run-environment-command-in-repl))
(("pull")
("repl" . guix-run-pull-command-in-repl)))
("repl" . guix-run-pull-command-in-repl))
(("graph")
("view" . guix-run-view-graph)))
"Alist of guix commands and alists of special executers for them.
See also `guix-command-default-executors'.")
@ -545,6 +550,15 @@ Perform pull-specific actions after operation, see
(apply #'guix-make-guile-expression 'guix-command args)
nil 'pull))
(defun guix-run-view-graph (args)
"Run 'guix ARGS ...' graph command, make the image and open it."
(let* ((graph-file (guix-dot-file-name))
(dot-args (guix-dot-arguments graph-file)))
(if (guix-eval-read (guix-make-guile-expression
'pipe-guix-output args dot-args))
(guix-find-file graph-file)
(error "Couldn't create a graph"))))
;;; Generating popups, actions, etc.