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1 ;;; blessmail.el --- Decide whether movemail needs special privileges.
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2
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3 ;;; Copyright (C) 1994 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: FSF
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6 ;; Keywords: internal
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7
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8 ;; This file is part of GNU Emacs.
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9
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10 ;; GNU Emacs is free software; you can redistribute it and/or modify
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11 ;; it under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; GNU Emacs is distributed in the hope that it will be useful,
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16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ;; GNU General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with GNU Emacs; see the file COPYING. If not, write to
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22 ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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23
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24 ;;; Synched up with: FSF 19.30.
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25
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26 ;;; Commentary:
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27
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28 ;; This is loaded into a bare Emacs to create the blessmail script,
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29 ;; which (on systems that need it) is used during installation
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30 ;; to give appropriate permissions to movemail.
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31 ;;
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32 ;; It has to be done from lisp in order to be sure of getting the
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33 ;; correct value of rmail-spool-directory.
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34
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35 ;;; Code:
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36
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37 ;; These are no longer needed because we run this in emacs instead of temacs.
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38 ;; (message "Using load-path %s" load-path)
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39 ;; (load "paths.el")
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40 ;; It is not safe to load site-init.el here, because it might have things in it
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41 ;; that won't load properly unless all the rest of Emacs is loaded.
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42
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43 (let ((dirname (directory-file-name rmail-spool-directory))
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44 linkname attr modes)
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45 ;; Check for symbolic link
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46 (while (setq linkname (file-symlink-p dirname))
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47 (setq dirname (if (file-name-absolute-p linkname)
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48 linkname
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49 (concat (file-name-directory dirname) linkname))))
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50 (insert "#!/bin/sh\n")
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51 (setq attr (file-attributes dirname))
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52 (if (not (eq t (car attr)))
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53 (insert (format "echo %s is not a directory\n" rmail-spool-directory))
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54 (setq modes (nth 8 attr))
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55 (cond ((= ?w (aref modes 8))
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56 ;; Nothing needs to be done.
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57 )
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58 ((= ?w (aref modes 5))
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59 (insert "chgrp " (number-to-string (nth 3 attr))
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60 " $* && chmod g+s $*\n"))
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61 ((= ?w (aref modes 2))
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62 (insert "chown " (number-to-string (nth 2 attr))
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63 " $* && chmod u+s $*\n"))
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64 (t
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65 (insert "chown root $* && chmod u+s $*\n"))))
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66 (insert "echo mail directory = " dirname "\n"))
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67 (write-region (point-min) (point-max) "blessmail")
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68 (kill-emacs)
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69
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70 ;;; blessmail.el ends here
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