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mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-12-24 10:38:38 +00:00
emacs/lisp/inc-vers.el
1994-01-06 04:29:50 +00:00

55 lines
1.8 KiB
EmacsLisp

;;; inc-vers.el --- load this to increment the recorded Emacs version number.
;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: internal
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to
;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;; Code:
(insert-file-contents "../lisp/version.el")
(re-search-forward "emacs-version \"[^\"]*[0-9]+\"")
(forward-char -1)
(save-excursion
(save-restriction
(narrow-to-region (point)
(progn (skip-chars-backward "0-9") (point)))
(goto-char (point-min))
(let ((version (read (current-buffer))))
(delete-region (point-min) (point-max))
(prin1 (1+ version) (current-buffer)))))
(skip-chars-backward "^\"")
(message "New Emacs version will be %s"
(buffer-substring (point)
(progn (skip-chars-forward "^\"") (point))))
(if (and (file-accessible-directory-p "../lisp/")
(null (file-writable-p "../lisp/version.el")))
(delete-file "../lisp/version.el"))
(if (eq system-type 'ms-dos) (setq buffer-file-type t))
(write-region (point-min) (point-max) "../lisp/version.el" nil 'nomsg)
(erase-buffer)
(set-buffer-modified-p nil)
(kill-emacs)
;;; inc-vers.el ends here