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1 ;;; cus-dep.el --- Find customization dependencies.
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2 ;;
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3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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4 ;;
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5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>, then
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6 ;; Richar Stallman <rms@gnu.ai.mit.edu>, then
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7 ;; Hrvoje Niksic <hniksic@srce.hr>
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8 ;; Maintainer: Hrvoje Niksic <hniksic@srce.hr>
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9 ;; Keywords: internal
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10
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11 ;; This file is part of XEmacs.
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12
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13 ;; XEmacs is free software; you can redistribute it and/or modify
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14 ;; it under the terms of the GNU General Public License as published by
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15 ;; the Free Software Foundation; either version 2, or (at your option)
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16 ;; any later version.
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17
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18 ;; XEmacs is distributed in the hope that it will be useful,
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19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 ;; GNU General Public License for more details.
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22
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23 ;; You should have received a copy of the GNU General Public License
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24 ;; along with XEmacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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26 ;; Boston, MA 02111-1307, USA.
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27
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28 ;;; Synched up with: Not synched with FSF.
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29
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30 ;;; Code:
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31
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32 (require 'cl)
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33 (require 'widget)
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34 (require 'cus-edit)
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35 (require 'cus-face)
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36
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37 (defconst cusload-base-file "custom-load.el")
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38
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39 ;;;###autoload
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40 (defun custom-make-dependencies (&optional subdirs)
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41 "Extract custom dependencies from .el files in SUBDIRS.
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42 SUBDIRS is a list of directories. If it is nil, the command-line
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43 arguments are used. If it is a string, only that directory is
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44 processed. This function is especially useful in batch mode.
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45
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46 Batch usage: xemacs -batch -l cus-dep.el -f custom-make-dependencies DIRS"
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47 (interactive "DDirectory: ")
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48 (and (stringp subdirs)
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49 (setq subdirs (list subdirs)))
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50 (or subdirs
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51 (setq subdirs command-line-args-left))
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52 (setq subdirs (mapcar #'expand-file-name subdirs))
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53 (with-temp-buffer
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54 (let ((enable-local-eval nil)
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55 (hash (make-hash-table :test 'eq)))
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56 (dolist (dir subdirs)
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57 (message "Processing %s" dir)
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58 (let ((cusload-file (expand-file-name cusload-base-file dir)))
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59 (dolist (file (directory-files dir t "\\`[^=].*\\.el\\'"))
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60 (when (file-exists-p file)
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61 (erase-buffer)
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62 (insert-file-contents file)
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63 (goto-char (point-min))
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64 (let ((name (file-name-sans-extension
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65 (file-name-nondirectory file))))
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66 (condition-case nil
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67 (while (re-search-forward
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68 "^(defcustom\\|^(defface\\|^(defgroup"
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69 nil t)
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70 (beginning-of-line)
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71 (let ((expr (read (current-buffer))))
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72 (eval expr)
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73 (setf (gethash (nth 1 expr) hash) name)))
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74 (error nil)))))
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75 (message "Generating %s..." cusload-base-file)
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76 (with-temp-file cusload-file
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77 (insert ";;; " cusload-base-file
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78 " --- automatically extracted custom dependencies\n"
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79 ";;\n;;; Code:\n\n")
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80 (mapatoms (lambda (sym)
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81 (let ((members (get sym 'custom-group))
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82 item where found)
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83 (when members
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84 (while members
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85 (setq item (car (car members))
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86 members (cdr members)
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87 where (gethash item hash))
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88 (unless (or (null where)
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89 (member where found))
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90 (if found
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91 (insert " ")
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92 ;;; (insert "(custom-add-loads '" (symbol-name sym)
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93 (insert "(custom-put '" (symbol-name sym)
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94 " '("))
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95 (prin1 where (current-buffer))
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96 (push where found)))
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97 (when found
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98 (insert "))\n"))))))
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99 (insert "\n;;; custom-load.el ends here\n"))
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100 (clrhash hash))))))
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101
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102 (provide 'cus-dep)
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103
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104 ;;; cus-dep.el ends here
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