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;;; riece-version.el --- version information handling
;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
;; Free Software Foundation, Inc.
;; Copyright (C) 1998-2003 Daiki Ueno
;; Author: Daiki Ueno <ueno@unixuser.org>
;; Created: 1998-09-28
;; Keywords: IRC, riece
;; This file is part of Riece.
;; This program 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.
;; This program 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, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
(require 'riece-package-info)
;; NOTE: Most part of this file is copied from Gnus.
(defcustom riece-user-agent 'emacs-riece-type
"Which information should be exposed in the User-Agent header.
It can be one of the symbols `riece' \(show only Riece version\), `emacs-riece'
\(show only Emacs and Riece versions\), `emacs-riece-config' \(same as
`emacs-riece' plus system configuration\), `emacs-riece-type' \(same as
`emacs-riece' plus system type\) or a custom string. If you set it to a
string, be sure to use a valid format, see RFC 2616."
:group 'riece-options
:type '(choice
(item :tag "Show Riece and Emacs versions and system type"
emacs-riece-type)
(item :tag "Show Riece and Emacs versions and system configuration"
emacs-riece-config)
(item :tag "Show Riece and Emacs versions" emacs-riece)
(item :tag "Show only Riece version" riece)
(string :tag "Other")))
(defconst riece-version (format "%s v%s" riece-package-name
riece-version-number)
"Version string for this version of Riece.")
(eval-when-compile
(defvar emacs-program-version)
(defvar xemacs-codename)
(defvar sxemacs-codename))
(defun riece-extended-version ()
"Stringified Riece version and Emacs version.
See the variable `riece-user-agent'."
(let* ((riece-v
(concat riece-package-name "/"
(prin1-to-string riece-version-number t)))
(system-v
(cond
((eq riece-user-agent 'emacs-riece-config)
system-configuration)
((eq riece-user-agent 'emacs-riece-type)
(symbol-name system-type))
(t nil)))
(emacs-v
(cond
((eq riece-user-agent 'riece)
nil)
((string-match "^\\(\\([.0-9]+\\)*\\)\\.[0-9]+$" emacs-version)
(concat "Emacs/" (match-string 1 emacs-version)
(if system-v
(concat " (" system-v ")")
"")))
((featurep 'sxemacs)
(concat "SXEmacs/" emacs-program-version
(when system-v
(concat " ("
(when sxemacs-codename
(concat sxemacs-codename ", "))
system-v ")"))))
((featurep 'xemacs)
(concat "XEmacs/" emacs-program-version
(when system-v
(concat " ("
(when xemacs-codename
(concat xemacs-codename ", "))
system-v ")"))))
(t emacs-version))))
(if (stringp riece-user-agent)
riece-user-agent
(concat riece-v
(when emacs-v
(concat " " emacs-v))))))
(defun riece-version (&optional arg)
"Version number of this version of Riece.
If ARG, use user-agent format."
(interactive "P")
(if arg
(message "%s" (riece-extended-version))
(message "%s" riece-version)))
(provide 'riece-version)
;;; riece-version.el ends here
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