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This enables the use of the subdirs.el feature of Emacs, where specifying a directory in EMACSLOADPATH translates into a `load-path' variable containing the directory and all its sub-directories. * gnu/packages/aux-files/emacs/guix-emacs.el (guix-emacs-autoload-packages): Use `load-path' directly instead of parsing EMACSLOADPATH. Reported-by: Leo Prikler <leo.prikler@student.tugraz.at> Signed-off-by: Clément Lassieur <clement@lassieur.org>
64 lines
2.3 KiB
EmacsLisp
64 lines
2.3 KiB
EmacsLisp
;;; guix-emacs.el --- Emacs packages installed with Guix
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;; Copyright © 2014, 2015, 2016, 2017 Alex Kost <alezost@gmail.com>
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;; Copyright © 2017 Kyle Meyer <kyle@kyleam.com>
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;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;; This file is part of GNU Guix.
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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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;; 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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;; 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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;;; Commentary:
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;; This file provides auxiliary code to autoload Emacs packages
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;; installed with Guix.
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;;; Code:
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(require 'seq)
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(defvar guix-emacs-autoloads-regexp
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(rx (* any) "-autoloads.el" (zero-or-one "c") string-end)
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"Regexp to match Emacs 'autoloads' file.")
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(defun guix-emacs-find-autoloads (directory)
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"Return a list of Emacs 'autoloads' files in DIRECTORY.
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The files in the list do not have extensions (.el, .elc)."
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;; `directory-files' doesn't honor group in regexp.
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(mapcar #'file-name-sans-extension
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(directory-files directory 'full-name guix-emacs-autoloads-regexp)))
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;;;###autoload
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(defun guix-emacs-autoload-packages ()
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"Autoload Emacs packages found in EMACSLOADPATH.
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'Autoload' means to load the 'autoloads' files matching
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`guix-emacs-autoloads-regexp'."
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;; FIXME: The autoloads generated by the emacs-build-system are not byte
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;; compiled.
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(interactive)
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(let* ((emacs-non-core-load-path-directories
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;; Filter out core Elisp directories, which are already autoloaded
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;; by Emacs.
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(seq-filter (lambda (dir)
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(string-match-p "/share/emacs/site-lisp" dir))
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load-path))
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(autoloads (mapcan #'guix-emacs-find-autoloads
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emacs-non-core-load-path-directories)))
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(mapc (lambda (f)
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(load f 'noerror))
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autoloads)))
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(provide 'guix-emacs)
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;;; guix-emacs.el ends here
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