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