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comparison lisp/blessmail.el @ 217:d44af0c54775 r20-4b7

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Import from CVS: tag r20-4b7
author cvs
date Mon, 13 Aug 2007 10:08:34 +0200
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216:43306a74e31c 217:d44af0c54775
1 ;;; blessmail.el --- Decide whether movemail needs special privileges.
2
3 ;; Copyright (C) 1994 Free Software Foundation, Inc.
4
5 ;; Maintainer: FSF
6 ;; Keywords: internal
7
8 ;; This file is part of XEmacs.
9
10 ;; XEmacs is free software; you can redistribute it and/or modify it
11 ;; under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
13 ;; any later version.
14
15 ;; XEmacs is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with XEmacs; see the file COPYING. If not, write to the Free
22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
23 ;; 02111-1307, USA.
24
25 ;;; Synched up with: FSF 19.34.
26
27 ;;; Commentary:
28
29 ;; This is loaded into a bare Emacs to create the blessmail script,
30 ;; which (on systems that need it) is used during installation
31 ;; to give appropriate permissions to movemail.
32 ;;
33 ;; It has to be done from lisp in order to be sure of getting the
34 ;; correct value of rmail-spool-directory.
35
36 ;;; Code:
37
38 ;; These are no longer needed because we run this in emacs instead of temacs.
39 ;; (message "Using load-path %s" load-path)
40 ;; (load "paths.el")
41 ;; It is not safe to load site-init.el here, because it might have things in it
42 ;; that won't load properly unless all the rest of Emacs is loaded.
43
44 (let ((dirname (directory-file-name rmail-spool-directory))
45 linkname attr modes)
46 ;; Check for symbolic link
47 (while (setq linkname (file-symlink-p dirname))
48 (setq dirname (if (file-name-absolute-p linkname)
49 linkname
50 (concat (file-name-directory dirname) linkname))))
51 (insert "#!/bin/sh\n")
52 (setq attr (file-attributes dirname))
53 (if (not (eq t (car attr)))
54 (insert (format "echo %s is not a directory\n" rmail-spool-directory))
55 (setq modes (nth 8 attr))
56 (cond ((= ?w (aref modes 8))
57 ;; Nothing needs to be done.
58 )
59 ((= ?w (aref modes 5))
60 (insert "chgrp " (number-to-string (nth 3 attr))
61 " $* && chmod g+s $*\n"))
62 ((= ?w (aref modes 2))
63 (insert "chown " (number-to-string (nth 2 attr))
64 " $* && chmod u+s $*\n"))
65 (t
66 (insert "chown root $* && chmod u+s $*\n"))))
67 (insert "echo mail directory = " dirname "\n"))
68 (write-region (point-min) (point-max) "blessmail")
69 (kill-emacs)
70
71 ;;; blessmail.el ends here