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