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100 lines
3.5 KiB
EmacsLisp
100 lines
3.5 KiB
EmacsLisp
;;; version.el --- record version number of Emacs -*- no-byte-compile: t -*-
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;; Copyright (C) 1985, 1992, 1994, 1995, 1999, 2000, 2001, 2002,
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;; 2003, 2004, 2005, 2006, 2007 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 3, 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 the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(defconst emacs-copyright "Copyright (C) 2007 Free Software Foundation, Inc."
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"Short copyright string for this version of Emacs.")
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(defconst emacs-version "23.0.50" "\
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Version numbers of this version of Emacs.")
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(defconst emacs-major-version
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(progn (string-match "^[0-9]+" emacs-version)
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(string-to-number (match-string 0 emacs-version)))
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"Major version number of this version of Emacs.
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This variable first existed in version 19.23.")
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(defconst emacs-minor-version
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(progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version)
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(string-to-number (match-string 1 emacs-version)))
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"Minor version number of this version of Emacs.
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This variable first existed in version 19.23.")
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(defconst emacs-build-time (current-time) "\
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Time at which Emacs was dumped out.")
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(defconst emacs-build-system (system-name))
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(defun emacs-version (&optional here) "\
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Return string describing the version of Emacs that is running.
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If optional argument HERE is non-nil, insert string at point.
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Don't use this function in programs to choose actions according
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to the system configuration; look at `system-configuration' instead."
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(interactive "P")
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(let ((version-string
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(format (if (not (interactive-p))
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"GNU Emacs %s (%s%s%s)\n of %s on %s"
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"GNU Emacs %s (%s%s%s) of %s on %s")
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emacs-version
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system-configuration
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(cond ((featurep 'motif)
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(concat ", " (substring motif-version-string 4)))
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((featurep 'gtk)
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(concat ", GTK+ Version " gtk-version-string))
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((featurep 'x-toolkit) ", X toolkit")
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((boundp 'mac-carbon-version-string)
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(concat ", Carbon Version " mac-carbon-version-string))
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(t ""))
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(if (and (boundp 'x-toolkit-scroll-bars)
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(memq x-toolkit-scroll-bars '(xaw xaw3d)))
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(format ", %s scroll bars"
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(capitalize (symbol-name x-toolkit-scroll-bars)))
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"")
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(format-time-string "%Y-%m-%d" emacs-build-time)
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emacs-build-system)))
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(if here
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(insert version-string)
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(if (interactive-p)
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(message "%s" version-string)
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version-string))))
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;; We hope that this alias is easier for people to find.
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(defalias 'version 'emacs-version)
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;; We put version info into the executable in the form that `ident' uses.
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(or (memq system-type '(vax-vms windows-nt))
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(purecopy (concat "\n$Id: " (subst-char-in-string ?\n ?\s (emacs-version))
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" $\n")))
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;;Local variables:
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;;version-control: never
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;;End:
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;; arch-tag: e60dc445-6218-4a4c-a7df-f15a818642a0
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;;; version.el ends here
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