lisp/inc-vers.el

   1 ;;; inc-vers.el --- load this to increment the recorded Emacs version number.
   2
   3 ;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
   4
   5 ;; This file is part of GNU Emacs.
   6
   7 ;; GNU Emacs is free software; you can redistribute it and/or modify
   8 ;; it under the terms of the GNU General Public License as published by
   9 ;; the Free Software Foundation; either version 1, or (at your option)
  10 ;; any later version.
  11
  12 ;; GNU Emacs is distributed in the hope that it will be useful,
  13 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ;; GNU General Public License for more details.
  16
  17 ;; You should have received a copy of the GNU General Public License
  18 ;; along with GNU Emacs; see the file COPYING.  If not, write to
  19 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21
  22 (insert-file-contents "../lisp/version.el")
  23
  24 (re-search-forward "emacs-version \"[^\"]*[0-9]+\"")
  25 (forward-char -1)
  26 (save-excursion
  27   (save-restriction
  28     (narrow-to-region (point)
  29                       (progn (skip-chars-backward "0-9") (point)))
  30     (goto-char (point-min))
  31     (let ((version (read (current-buffer))))
  32       (delete-region (point-min) (point-max))
  33       (prin1 (1+ version) (current-buffer)))))
  34 (skip-chars-backward "^\"")
  35 (message "New Emacs version will be %s"
  36          (buffer-substring (point)
  37                            (progn (skip-chars-forward "^\"") (point))))
  38
  39
  40 (write-region (point-min) (point-max) "../lisp/version.el" nil 'nomsg)
  41 (erase-buffer)
  42 (set-buffer-modified-p nil)
  43
  44 (kill-emacs)
  45
  46 ;;; inc-vers.el ends here