* emacs/guix-emacs.el: New file. * emacs.am (ELFILES): Add it. * emacs/guix-backend.el (guix-after-repl-operation-hook): Add 'guix-emacs-load-autoloads-maybe'. * emacs/guix-init.el.in: Autoload emacs packages. (guix-package-enable-at-startup): New variable.
		
			
				
	
	
		
			79 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
			
		
		
	
	
			79 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			EmacsLisp
		
	
	
	
	
	
| ;;; guix-emacs.el --- Emacs packages installed with Guix
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| 
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| ;; Copyright © 2014 Alex Kost <alezost@gmail.com>
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| 
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| ;; This file is part of GNU Guix.
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| 
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| ;; GNU Guix is free software; you can redistribute it and/or modify
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| ;; it under the terms of the GNU General Public License as published by
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| ;; the Free Software Foundation, either version 3 of the License, or
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| ;; (at your option) any later version.
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| 
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| ;; GNU Guix is distributed in the hope that it will be useful,
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| ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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| ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| ;; GNU General Public License for more details.
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| 
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| ;; You should have received a copy of the GNU General Public License
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| ;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| ;;; Commentary:
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| 
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| ;; This file provides auxiliary code for working with Emacs packages
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| ;; installed with Guix.
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| 
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| ;;; Code:
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| 
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| (require 'guix-profiles)
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| 
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| (defcustom guix-emacs-activate-after-operation t
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|   "Activate Emacs packages after installing.
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| If nil, do not load autoloads of the Emacs packages after
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| they are successfully installed."
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|   :type 'boolean
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|   :group 'guix)
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| 
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| (defvar guix-emacs-autoloads nil
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|   "List of the last loaded Emacs autoloads.")
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| 
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| (defun guix-emacs-directory (&optional profile)
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|   "Return directory with Emacs packages installed in PROFILE.
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| If PROFILE is nil, use `guix-user-profile'."
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|   (expand-file-name "share/emacs/site-lisp"
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|                     (or profile guix-user-profile)))
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| 
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| (defun guix-emacs-find-autoloads (&optional profile)
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|   "Return list of autoloads of Emacs packages installed in PROFILE.
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| If PROFILE is nil, use `guix-user-profile'.
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| Return nil if there are no emacs packages installed in PROFILE."
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|   (let ((dir (guix-emacs-directory profile)))
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|     (if (file-directory-p dir)
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|         (directory-files dir 'full-name "-autoloads\\.el\\'")
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|       (message "Directory '%s' does not exist." dir)
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|       nil)))
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| 
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| ;;;###autoload
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| (defun guix-emacs-load-autoloads (&optional all)
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|   "Load autoloads for Emacs packages installed in a user profile.
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| If ALL is nil, activate only those packages that were installed
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| after the last activation, otherwise activate all Emacs packages
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| installed in `guix-user-profile'."
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|   (interactive "P")
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|   (let* ((autoloads (guix-emacs-find-autoloads))
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|          (files (if all
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|                     autoloads
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|                   (cl-nset-difference autoloads guix-emacs-autoloads
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|                                       :test #'string=))))
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|     (dolist (file files)
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|       (load file 'noerror))
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|     (setq guix-emacs-autoloads autoloads)))
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| 
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| (defun guix-emacs-load-autoloads-maybe ()
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|   "Load autoloads for Emacs packages if needed.
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| See `guix-emacs-activate-after-operation' for details."
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|   (and guix-emacs-activate-after-operation
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|        (guix-emacs-load-autoloads)))
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| 
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| (provide 'guix-emacs)
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| 
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| ;;; guix-emacs.el ends here
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