(eval-when-compile (require 'cl))
(require 'widget)
(require 'cus-face)
(require 'autoload)
(defun custom-make-dependencies ()
"Batch function to extract custom dependencies from .el files.
Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
(let ((enable-local-eval nil)
(all-subdirs command-line-args-left)
(start-directory default-directory))
(get-buffer-create " cus-dep temp")
(set-buffer " cus-dep temp")
(while all-subdirs
(message "Directory %s" (car all-subdirs))
(let ((files (directory-files (car all-subdirs) nil "\\`[^=].*\\.el\\'"))
(default-directory default-directory)
file
is-autoloaded)
(cd (car all-subdirs))
(while files
(setq file (car files)
files (cdr files))
(when (file-exists-p file)
(erase-buffer)
(insert-file-contents file)
(goto-char (point-min))
(string-match "\\`\\(.*\\)\\.el\\'" file)
(let ((name (file-name-nondirectory (match-string 1 file))))
(condition-case nil
(while (re-search-forward "^(defcustom\\|^(defface\\|^(defgroup"
nil t)
(setq is-autoloaded nil)
(beginning-of-line)
(save-excursion
(forward-line -1)
(if (looking-at generate-autoload-cookie)
(setq is-autoloaded t)))
(let ((expr (read (current-buffer))))
(condition-case nil
(progn
(eval expr)
(put (nth 1 expr) 'custom-autoloaded is-autoloaded)
(put (nth 1 expr) 'custom-where name))
(error nil))))
(error nil)))))
(setq all-subdirs (cdr all-subdirs)))))
(message "Generating cus-load.el...")
(find-file "cus-load.el")
(erase-buffer)
(insert "\
;;; cus-load.el --- automatically extracted custom dependencies
;;
;;; Code:
")
(mapatoms (lambda (symbol)
(let ((members (get symbol 'custom-group))
item where found)
(when members
(while members
(setq item (car (car members))
members (cdr members)
where (get item 'custom-where))
(unless (or (null where)
(member where found))
(if found
(insert " ")
(insert "(put '" (symbol-name symbol)
" 'custom-loads '("))
(prin1 where (current-buffer))
(push where found)))
(when found
(insert "))\n"))))))
(insert "\
;;; These are for handling :version. We need to have a minimum of
;;; information so `custom-changed-variables' could do its job.
;;; For both groups and variables we have to set `custom-version'.
;;; For variables we also set the `standard-value' and for groups
;;; `group-documentation' (which is shown in the customize buffer), so
;;; we don't have to load the file containing the group.
;;; `custom-versions-load-alist' is an alist that has as car a version
;;; number and as elts the files that have variables that contain that
;;; version. These files should be loaded before showing the
;;; customization buffer that `customize-changed-options' generates.
;;; This macro is used so we don't modify the information about
;;; variables and groups if it's already set. (We don't know when
;;; cus-load.el is going to be loaded and at that time some of the
;;; files might be loaded and some others might not).
\(defmacro custom-put-if-not (symbol propname value)
`(unless (get ,symbol ,propname)
(put ,symbol ,propname ,value)))
")
(let ((version-alist nil))
(mapatoms (lambda (symbol)
(let ((version (get symbol 'custom-version))
where)
(when version
(setq where (get symbol 'custom-where))
(when (and where
(not (get symbol 'custom-autoloaded)))
(insert "(custom-put-if-not '" (symbol-name symbol)
" 'custom-version ")
(prin1 version (current-buffer))
(insert ")\n")
(insert "(custom-put-if-not '" (symbol-name symbol))
(if (get symbol 'standard-value)
(progn
(insert " 'standard-value t)\n")
(if (assoc version version-alist)
(unless
(member where
(cdr (assoc version version-alist)))
(push where (cdr (assoc version version-alist))))
(push (cons version (list where)) version-alist)))
(insert " 'group-documentation ")
(prin1 (get symbol 'group-documentation) (current-buffer))
(insert ")\n")))))))
(insert "\n(defvar custom-versions-load-alist "
(if version-alist "'" ""))
(prin1 version-alist (current-buffer))
(insert "\n \"For internal use by custom.\")\n"))
(insert "\
\(provide 'cus-load)
;;; Local Variables:
;;; version-control: never
;;; no-byte-compile: t
;;; no-update-autoloads: t
;;; End:
;;; cus-load.el ends here\n")
(let ((kept-new-versions 10000000))
(save-buffer))
(message "Generating cus-load.el...done")
(kill-emacs))