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-rw-r--r--gnu/packages/aux-files/emacs/guix-emacs.el98
1 files changed, 24 insertions, 74 deletions
diff --git a/gnu/packages/aux-files/emacs/guix-emacs.el b/gnu/packages/aux-files/emacs/guix-emacs.el
index 9a49e8861c..46ee557f20 100644
--- a/gnu/packages/aux-files/emacs/guix-emacs.el
+++ b/gnu/packages/aux-files/emacs/guix-emacs.el
@@ -2,6 +2,7 @@
;; Copyright © 2014, 2015, 2016, 2017 Alex Kost <alezost@gmail.com>
;; Copyright © 2017 Kyle Meyer <kyle@kyleam.com>
+;; Copyright © 2019 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;; This file is part of GNU Guix.
@@ -24,91 +25,40 @@
;; installed with Guix.
;;; Code:
-
-(require 'cl-lib)
-
-(defvar guix-user-profile (expand-file-name "~/.guix-profile"))
-
-(defvar guix-emacs-autoloads nil
- "List of the last loaded Emacs autoloads.")
+(require 'seq)
(defvar guix-emacs-autoloads-regexp
- (rx (group (* any) "-autoloads")
- ".el" (zero-or-one "c") string-end)
+ (rx (* any) "-autoloads.el" (zero-or-one "c") string-end)
"Regexp to match Emacs 'autoloads' file.")
-(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 (directory)
"Return a list of Emacs 'autoloads' files in DIRECTORY.
The files in the list do not have extensions (.el, .elc)."
- (cl-remove-duplicates
- (delq nil
- (mapcar (lambda (file)
- (when (string-match guix-emacs-autoloads-regexp file)
- (match-string 1 file)))
- (directory-files directory 'full-name nil 'no-sort)))
- :test #'string=))
-
-(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-directories (&optional profile)
- "Return the list of directories under PROFILE that contain Emacs packages.
-This includes both `share/emacs/site-lisp/guix.d/PACKAGE'
-sub-directories and `share/emacs/site-lisp' itself.
-
-If PROFILE is nil, use `guix-user-profile'.
-Return nil, if Emacs packages are not installed in PROFILE."
- (let ((root-dir (guix-emacs-directory (or profile guix-user-profile))))
- (when (file-directory-p root-dir)
- (let* ((pkgs-dir (expand-file-name "guix.d" root-dir))
- (pkgs-dirs (when (file-directory-p pkgs-dir)
- (guix-emacs-subdirs pkgs-dir))))
- (cons root-dir pkgs-dirs)))))
+ ;; `directory-files' doesn't honor group in regexp.
+ (mapcar #'file-name-sans-extension
+ (directory-files directory 'full-name guix-emacs-autoloads-regexp)))
;;;###autoload
-(defun guix-emacs-autoload-packages (&rest profiles)
- "Autoload Emacs packages installed in PROFILES.
-If PROFILES are not specified, use a default user and system
-profiles.
+(defun guix-emacs-autoload-packages ()
+ "Autoload Emacs packages found in EMACSLOADPATH.
-'Autoload' means add directories with Emacs packages to
-`load-path' and load 'autoloads' files matching
+'Autoload' means to load the 'autoloads' files matching
`guix-emacs-autoloads-regexp'."
- (interactive (list (if (fboundp 'guix-read-package-profile)
- (funcall 'guix-read-package-profile)
- guix-user-profile)))
- (let* ((env (getenv "GUIX_ENVIRONMENT"))
- (profiles (or profiles
- (append (list "/run/current-system/profile"
- guix-user-profile)
- (and env (list env))))))
- (dolist (profile profiles)
- (let ((dirs (guix-emacs-directories profile)))
- (when dirs
- (let* ((autoloads (cl-mapcan #'guix-emacs-find-autoloads
- dirs))
- (new-autoloads (cl-nset-difference autoloads
- guix-emacs-autoloads
- :test #'string=)))
- (dolist (dir dirs)
- (cl-pushnew (directory-file-name dir)
- load-path
- :test #'string=))
- (dolist (file new-autoloads)
- (load file 'noerror))
- (setq guix-emacs-autoloads
- (append new-autoloads guix-emacs-autoloads))))))))
+ ;; FIXME: The autoloads generated by the emacs-build-system are not byte
+ ;; compiled.
+ (interactive)
+ (let* ((emacs-load-path (getenv "EMACSLOADPATH"))
+ (emacs-non-core-load-path-directories
+ ;; Filter out core Elisp directories, which are already autoloaded
+ ;; by Emacs.
+ (seq-filter (lambda (dir)
+ (string-match-p "/share/emacs/site-lisp" dir))
+ (split-string emacs-load-path ":")))
+ (autoloads (mapcan #'guix-emacs-find-autoloads
+ emacs-non-core-load-path-directories)))
+ (mapc (lambda (f)
+ (load f 'noerror))
+ autoloads)))
(provide 'guix-emacs)