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19/24: emacs: Add code to run guix command in shell.

From: Alex Kost
Subject: 19/24: emacs: Add code to run guix command in shell.
Date: Fri, 28 Aug 2015 20:06:36 +0000

alezost pushed a commit to branch wip-emacs-popup-ui
in repository guix.

commit 7aaa45c453f7a59130fec98e0804d6293ecf480d
Author: Alex Kost <address@hidden>
Date:   Sun Aug 16 13:55:25 2015 +0300

    emacs: Add code to run guix command in shell.
    * emacs/guix-base.el (guix-run-in-shell, guix-run-in-eshell,
      guix-run-command-in-shell): New functions.
      (guix-run-in-shell-function, guix-shell-buffer-name): New variables.
 emacs/guix-base.el |   36 ++++++++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/emacs/guix-base.el b/emacs/guix-base.el
index d1593e2..4dff0d6 100644
--- a/emacs/guix-base.el
+++ b/emacs/guix-base.el
@@ -1087,6 +1087,42 @@ FILE.  With a prefix argument, also prompt for PROFILE."
 ;;; Executing guix commands
+(defcustom guix-run-in-shell-function #'guix-run-in-shell
+  "Function used to run guix command.
+The function is called with a single argument - a command line string."
+  :type '(choice (function-item guix-run-in-shell)
+                 (function-item guix-run-in-eshell)
+                 (function :tag "Other function"))
+  :group 'guix)
+(defcustom guix-shell-buffer-name "*shell*"
+  "Default name of a shell buffer used for running guix commands."
+  :type 'string
+  :group 'guix)
+(declare-function comint-send-input "comint" t)
+(defun guix-run-in-shell (string)
+  "Run command line STRING in `guix-shell-buffer-name' buffer."
+  (shell guix-shell-buffer-name)
+  (goto-char (point-max))
+  (insert string)
+  (comint-send-input))
+(declare-function eshell-send-input "esh-mode" t)
+(defun guix-run-in-eshell (string)
+  "Run command line STRING in eshell buffer."
+  (eshell)
+  (goto-char (point-max))
+  (insert string)
+  (eshell-send-input))
+(defun guix-run-command-in-shell (args)
+  "Execute 'guix ARGS ...' command in a shell buffer."
+  (funcall guix-run-in-shell-function
+           (guix-command-string args)))
 (defun guix-run-command-in-repl (args)
   "Execute 'guix ARGS ...' command in Guix REPL."

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