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bc511a64f6
Most of this change is to boilerplate commentary such as license URLs. This change was prompted by ftp://ftp.gnu.org's going-away party, planned for November. Change these FTP URLs to https://ftp.gnu.org instead. Make similar changes for URLs to other organizations moving away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and fsf.org when this works, as this will further help defend against man-in-the-middle attacks (for this part I omitted the MS-DOS and MS-Windows sources and the test tarballs to keep the workload down). HTTPS is not fully working to lists.gnu.org so I left those URLs alone for now.
213 lines
8.6 KiB
EmacsLisp
213 lines
8.6 KiB
EmacsLisp
;;; cus-dep.el --- find customization dependencies
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;;
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;; Copyright (C) 1997, 2001-2017 Free Software Foundation, Inc.
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;;
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;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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;; Keywords: internal
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;; Package: emacs
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'widget)
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(require 'cus-face)
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(defvar generated-custom-dependencies-file "cus-load.el"
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"Output file for `custom-make-dependencies'.")
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;; See finder-no-scan-regexp in finder.el.
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(defvar custom-dependencies-no-scan-regexp "\\(^\\.#\\|\\(loaddefs\\|\
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ldefs-boot\\|cus-load\\|finder-inf\\|esh-groups\\|subdirs\\)\\.el$\\)"
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"Regexp matching file names not to scan for `custom-make-dependencies'.")
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(require 'autoload)
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;; Hack workaround for bug#14384.
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;; Define defcustom-mh as an alias for defcustom, etc.
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;; Only do this in batch mode to avoid messing up a normal Emacs session.
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;; Alternative would be to load mh-e when making cus-load.
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;; (Would be better to split just the necessary parts of mh-e into a
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;; separate file and only load that.)
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(when (and noninteractive)
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(mapc (lambda (e) (let ((sym (intern (format "%s-mh" e))))
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(or (fboundp sym)
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(defalias sym e))))
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'(defcustom defface defgroup)))
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(defun custom-make-dependencies ()
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"Batch function to extract custom dependencies from .el files.
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Usage: emacs -batch -l ./cus-dep.el -f custom-make-dependencies DIRS"
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(let ((enable-local-eval nil)
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(enable-local-variables :safe)
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subdir)
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(with-temp-buffer
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;; Use up command-line-args-left else Emacs can try to open
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;; the args as directories after we are done.
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(while (setq subdir (pop command-line-args-left))
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(message "Scanning %s for custom" subdir)
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(let ((files (directory-files subdir nil "\\`[^=.].*\\.el\\'"))
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(default-directory
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(file-name-as-directory (expand-file-name subdir)))
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(preloaded (concat "\\`\\(\\./+\\)?"
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(regexp-opt preloaded-file-list t)
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"\\.el\\'")))
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(dolist (file files)
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(unless (or (string-match custom-dependencies-no-scan-regexp file)
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(string-match preloaded (format "%s/%s" subdir file))
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(not (file-exists-p file)))
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(erase-buffer)
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(kill-all-local-variables)
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(insert-file-contents file)
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(hack-local-variables)
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(goto-char (point-min))
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(string-match "\\`\\(.*\\)\\.el\\'" file)
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(let ((name (or generated-autoload-load-name ; see bug#5277
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(file-name-nondirectory (match-string 1 file))))
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(load-file-name file))
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(if (save-excursion
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(re-search-forward
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(concat "(\\(cc-\\)?provide[ \t\n]+\\('\\|(quote[ \t\n]\\)[ \t\n]*"
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(regexp-quote name) "[ \t\n)]")
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nil t))
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(setq name (intern name)))
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(condition-case nil
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(while (re-search-forward
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"^(def\\(custom\\|face\\|group\\)" nil t)
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(beginning-of-line)
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(let ((type (match-string 1))
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(expr (read (current-buffer))))
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(condition-case nil
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(let ((custom-dont-initialize t))
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;; Eval to get the 'custom-group, -tag,
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;; -version, group-documentation etc properties.
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(put (nth 1 expr) 'custom-where name)
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(eval expr))
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;; Eval failed for some reason. Eg maybe the
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;; defcustom uses something defined earlier
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;; in the file (we haven't loaded the file).
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;; In most cases, we can still get the :group.
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(error
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(ignore-errors
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(let ((group (cadr (memq :group expr))))
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(and group
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(eq (car group) 'quote)
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(custom-add-to-group
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(cadr group)
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(nth 1 expr)
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(intern (format "custom-%s"
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(if (equal type "custom")
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"variable"
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type)))))))))))
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(error nil)))))))))
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(message "Generating %s..." generated-custom-dependencies-file)
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(set-buffer (find-file-noselect generated-custom-dependencies-file))
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(setq buffer-undo-list t)
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(erase-buffer)
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(insert (autoload-rubric generated-custom-dependencies-file
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"custom dependencies" t))
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(search-backward " ")
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(let (alist)
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(mapatoms (lambda (symbol)
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(let ((members (get symbol 'custom-group))
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where found)
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(when members
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(dolist (member (mapcar 'car members))
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(setq where (get member 'custom-where))
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(unless (or (null where)
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(member where found))
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(push where found)))
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(when found
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(push (cons (symbol-name symbol)
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(with-output-to-string
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(prin1 (sort found 'string<)))) alist))))))
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(dolist (e (sort alist (lambda (e1 e2) (string< (car e1) (car e2)))))
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(insert "(put '" (car e) " 'custom-loads '" (cdr e) ")\n")))
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(insert "\
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;; The remainder of this file is for handling :version.
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;; We provide a minimum of information so that `customize-changed-options'
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;; can do its job.
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;; For groups we set `custom-version', `group-documentation' and
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;; `custom-tag' (which are shown in the customize buffer), so we
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;; don't have to load the file containing the group.
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;; This macro is used so we don't modify the information about
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;; variables and groups if it's already set. (We don't know when
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;; " (file-name-nondirectory generated-custom-dependencies-file)
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" is going to be loaded and at that time some of the
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;; files might be loaded and some others might not).
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\(defmacro custom-put-if-not (symbol propname value)
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`(unless (get ,symbol ,propname)
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(put ,symbol ,propname ,value)))
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")
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(let ((version-alist nil)
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groups)
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(mapatoms (lambda (symbol)
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(let ((version (get symbol 'custom-version))
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where)
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(when version
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(setq where (get symbol 'custom-where))
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(when where
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(if (or (custom-variable-p symbol)
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(custom-facep symbol))
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;; This means it's a variable or a face.
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(progn
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(if (assoc version version-alist)
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(unless
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(member where
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(cdr (assoc version version-alist)))
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(push where (cdr (assoc version version-alist))))
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(push (list version where) version-alist)))
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;; This is a group
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(push (list (symbol-name symbol)
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(with-output-to-string (prin1 version))
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(with-output-to-string
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(prin1 (get symbol 'group-documentation)))
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(if (get symbol 'custom-tag)
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(with-output-to-string
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(prin1 (get symbol 'custom-tag)))))
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groups)))))))
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(dolist (e (sort groups (lambda (e1 e2) (string< (car e1) (car e2)))))
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(insert "(custom-put-if-not '" (car e) " 'custom-version '"
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(nth 1 e) ")\n")
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(insert "(custom-put-if-not '" (car e) " 'group-documentation "
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(nth 2 e) ")\n")
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(if (nth 3 e)
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(insert "(custom-put-if-not '" (car e) " 'custom-tag "
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(nth 3 e) ")\n")))
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(insert "\n(defvar custom-versions-load-alist "
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(if version-alist "'" ""))
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(prin1 (sort version-alist (lambda (e1 e2) (version< (car e1) (car e2))))
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(current-buffer))
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(insert "\n \"For internal use by custom.
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This is an alist whose members have as car a version string, and as
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elements the files that have variables or faces that contain that
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version. These files should be loaded before showing the customization
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buffer that `customize-changed-options' generates.\")\n\n"))
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(save-buffer)
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(message "Generating %s...done" generated-custom-dependencies-file))
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(provide 'cus-dep)
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;;; cus-dep.el ends here
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