| 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 | ;; Maintainer: FSF |
| 6 | ;; Keywords: internal |
| 7 | |
| 8 | ;; This file is part of GNU Emacs. |
| 9 | |
| 10 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
| 11 | ;; it under the terms of the GNU General Public License as published by |
| 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
| 13 | ;; any later version. |
| 14 | |
| 15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
| 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | ;; GNU General Public License for more details. |
| 19 | |
| 20 | ;; You should have received a copy of the GNU General Public License |
| 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to |
| 22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | |
| 24 | ;;; Code: |
| 25 | |
| 26 | (insert-file-contents "../lisp/version.el") |
| 27 | |
| 28 | (re-search-forward "emacs-version \"[^\"]*[0-9]+\"") |
| 29 | (forward-char -1) |
| 30 | (save-excursion |
| 31 | (save-restriction |
| 32 | (narrow-to-region (point) |
| 33 | (progn (skip-chars-backward "0-9") (point))) |
| 34 | (goto-char (point-min)) |
| 35 | (let ((version (read (current-buffer)))) |
| 36 | (delete-region (point-min) (point-max)) |
| 37 | (prin1 (1+ version) (current-buffer))))) |
| 38 | (skip-chars-backward "^\"") |
| 39 | (message "New Emacs version will be %s" |
| 40 | (buffer-substring (point) |
| 41 | (progn (skip-chars-forward "^\"") (point)))) |
| 42 | |
| 43 | |
| 44 | (if (and (file-accessible-directory-p "../lisp/") |
| 45 | (null (file-writable-p "../lisp/version.el"))) |
| 46 | (delete-file "../lisp/version.el")) |
| 47 | (if (eq system-type 'ms-dos) (setq buffer-file-type t)) |
| 48 | (write-region (point-min) (point-max) "../lisp/version.el" nil 'nomsg) |
| 49 | (erase-buffer) |
| 50 | (set-buffer-modified-p nil) |
| 51 | |
| 52 | (kill-emacs) |
| 53 | |
| 54 | ;;; inc-vers.el ends here |