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emacs: Find autoloads in "guix.d" subdirectories.

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Co-authored-by: Federico Beffa <beffa@fbengineering.ch>.

* emacs/guix-emacs.el (guix-emacs-find-autoloads-in-directory,
  guix-emacs-subdirs): New functions.
  (guix-emacs-find-autoloads): Search for autoloads in "guix.d"
  subdirectories.
  (guix-emacs-load-autoloads): Add subdirectories to 'load-path'.
* emacs/guix-init.el.in: Do not add guix emacs directory to 'load-path'
  because it will be done by 'guix-emacs-load-autoloads'.  Move
  requiring 'guix-emacs' from the top-level to a clause for checking for
  'guix-package-enable-at-startup'.
This commit is contained in:
Alex Kost 2015-06-19 12:31:59 +03:00
parent d43002f645
commit 7741139080
2 changed files with 27 additions and 6 deletions
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29
emacs/guix-emacs.el
View file

@ -42,19 +42,40 @@ 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 ((dir (guix-emacs-directory profile)))
(if (file-directory-p dir)
(directory-files dir 'full-name "-autoloads\\.el\\'")
(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." 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'."
@ -65,6 +86,8 @@ installed in `guix-user-profile'."
(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)))

4
emacs/guix-init.el.in
View file

@ -1,5 +1,4 @@
(require 'guix-autoloads)
(require 'guix-emacs)
(defvar guix-load-path
(replace-regexp-in-string "${prefix}" "@prefix@" "@emacsuidir@")
@ -13,9 +12,8 @@ avoid loading autoloads of Emacs packages installed in
:type 'boolean
:group 'guix)
(add-to-list 'load-path (guix-emacs-directory))
(when guix-package-enable-at-startup
(require 'guix-emacs)
(guix-emacs-load-autoloads 'all))
(provide 'guix-init)