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cb825e5d | 1 | ;;; version.el --- record version number of Emacs |
6edcb099 | 2 | |
acaf905b | 3 | ;; Copyright (C) 1985, 1992, 1994-1995, 1999-2012 |
1746e0c3 | 4 | ;; Free Software Foundation, Inc. |
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5 | |
6 | ;; Maintainer: FSF | |
7 | ;; Keywords: internal | |
bd78fa1d | 8 | ;; Package: emacs |
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9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
eb3fa2cf | 12 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
6edcb099 | 13 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
14 | ;; the Free Software Foundation, either version 3 of the License, or |
15 | ;; (at your option) any later version. | |
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16 | |
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
6edcb099 | 24 | |
55535639 PJ |
25 | ;;; Commentary: |
26 | ||
d35d0238 GM |
27 | ;; This file is loaded uncompiled when dumping Emacs. |
28 | ;; Doc-strings should adhere to the conventions of make-docfile. | |
29 | ||
6edcb099 DL |
30 | ;;; Code: |
31 | ||
d35d0238 GM |
32 | (defconst emacs-major-version (progn (string-match "^[0-9]+" emacs-version) (string-to-number (match-string 0 emacs-version))) "\ |
33 | Major version number of this version of Emacs. | |
6edcb099 DL |
34 | This variable first existed in version 19.23.") |
35 | ||
d35d0238 GM |
36 | (defconst emacs-minor-version (progn (string-match "^[0-9]+\\.\\([0-9]+\\)" emacs-version) (string-to-number (match-string 1 emacs-version))) "\ |
37 | Minor version number of this version of Emacs. | |
6edcb099 DL |
38 | This variable first existed in version 19.23.") |
39 | ||
40 | (defconst emacs-build-time (current-time) "\ | |
41 | Time at which Emacs was dumped out.") | |
42 | ||
cb825e5d GM |
43 | (defconst emacs-build-system (system-name) "\ |
44 | Name of the system on which Emacs was built.") | |
6edcb099 | 45 | |
7d52483f | 46 | (defun emacs-version (&optional here) "\ |
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47 | Return string describing the version of Emacs that is running. |
48 | If optional argument HERE is non-nil, insert string at point. | |
49 | Don't use this function in programs to choose actions according | |
50 | to the system configuration; look at `system-configuration' instead." | |
51 | (interactive "P") | |
f1180544 | 52 | (let ((version-string |
32226619 | 53 | (format (if (not (called-interactively-p 'interactive)) |
7262075d GM |
54 | "GNU Emacs %s (%s%s%s)\n of %s on %s" |
55 | "GNU Emacs %s (%s%s%s) of %s on %s") | |
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56 | emacs-version |
57 | system-configuration | |
f1180544 | 58 | (cond ((featurep 'motif) |
fdbccd8b | 59 | (concat ", " (substring motif-version-string 4))) |
09d685fb LK |
60 | ((featurep 'gtk) |
61 | (concat ", GTK+ Version " gtk-version-string)) | |
64bd6fd1 | 62 | ((featurep 'x-toolkit) ", X toolkit") |
601fb9b8 | 63 | ((featurep 'ns) |
cb83c00b | 64 | (format ", NS %s" ns-version-string)) |
6edcb099 | 65 | (t "")) |
3fac5d64 GM |
66 | (if (and (boundp 'x-toolkit-scroll-bars) |
67 | (memq x-toolkit-scroll-bars '(xaw xaw3d))) | |
68 | (format ", %s scroll bars" | |
69 | (capitalize (symbol-name x-toolkit-scroll-bars))) | |
70 | "") | |
82b90229 | 71 | (format-time-string "%Y-%m-%d" emacs-build-time) |
6edcb099 | 72 | emacs-build-system))) |
f1180544 | 73 | (if here |
6edcb099 | 74 | (insert version-string) |
32226619 | 75 | (if (called-interactively-p 'interactive) |
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76 | (message "%s" version-string) |
77 | version-string)))) | |
78 | ||
c979fbdf | 79 | ;; We hope that this alias is easier for people to find. |
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80 | (defalias 'version 'emacs-version) |
81 | ||
a1ed8b05 GM |
82 | ;; Set during dumping, this is a defvar so that it can be setq'd. |
83 | (defvar emacs-bzr-version nil "\ | |
84 | String giving the bzr revision number from which this Emacs was built. | |
85 | This is nil if Emacs was not built from a bzr checkout, or if we could | |
86 | not determine the revision.") | |
87 | ||
88 | (defun emacs-bzr-get-version () "\ | |
89 | Try to return as a string the bzr revision number of the Emacs sources. | |
90 | Returns nil if the sources do not seem to be under bzr, or if we could | |
91 | not determine the revision. Note that this reports on the current state | |
92 | of the sources, which may not correspond to the running Emacs." | |
93 | (let ((file (expand-file-name ".bzr/branch/last-revision" source-directory))) | |
94 | (if (file-readable-p file) | |
95 | (with-temp-buffer | |
96 | (insert-file-contents file) | |
97 | (goto-char (point-max)) | |
98 | (if (looking-back "\n") | |
99 | (delete-char -1)) | |
100 | (buffer-string))))) | |
101 | ||
e6abda02 | 102 | ;; We put version info into the executable in the form that `ident' uses. |
7c2fb837 | 103 | (or (eq system-type 'windows-nt) |
7d52483f | 104 | (purecopy (concat "\n$Id: " (subst-char-in-string ?\n ?\s (emacs-version)) |
6edcb099 DL |
105 | " $\n"))) |
106 | ||
cb825e5d GM |
107 | ;; Local Variables: |
108 | ;; version-control: never | |
109 | ;; no-byte-compile: t | |
110 | ;; End: | |
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111 | |
112 | ;;; version.el ends here |