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inc-vers.el
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Lisp/Scheme
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1991-09-15
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2KB
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55 lines
;; Load this file to increment the recorded Emacs version number.
;; Copyright (C) 1985, 1986 Free Software Foundation, Inc.
;; 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 1, 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.
;; Find the file version.el in the path for lisp files,
;; and set version-file.
(setq version-file nil)
(setq temp (mapcar '(lambda (dir)
(cons dir (file-exists-p (expand-file-name "version.el" dir))))
load-path))
(while temp
(and (cdr (car temp)) (null version-file)
(setq version-file (expand-file-name "version.el" (car (car temp)))))
(setq temp (cdr temp)))
(insert-file-contents version-file)
(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))))
(write-region (point-min) (point-max) version-file nil 'nomsg)
(erase-buffer)
(set-buffer-modified-p nil)
(kill-emacs)