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1 ;;; package-info.el --- Generate information about an XEmacs package
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2
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3 ;; Copyright (C) 1998 by Free Software Foundation, Inc.
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4
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5 ;; Author: SL Baur <steve@altair.xemacs.org>
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6 ;; Keywords: internal
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; 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 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; 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 XEmacs; see the file COPYING. If not, write to the Free
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22 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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23 ;; 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF
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26
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27 ;;; Commentary:
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28
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29 ;; This file is used for building package distributions.
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30
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31 ;;; Change Log:
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32
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33 ;;; Code:
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34
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35 (defvar package-info "package-info"
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36 "File used to write out Package info")
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37
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38 (defvar package-info-template "package-info.in"
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39 "Template file for package-get info.")
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40
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41 ;; Loses with Mule
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42 ;(defun pi-md5sum (file)
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43 ; (let (result)
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44 ; (with-temp-buffer
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45 ; (let ((buffer-file-coding-system-for-read 'binary))
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46 ; (insert-file-contents-literally file))
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47 ; ;; (write-file "/tmp/x.x")
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48 ; (setq result (md5 (current-buffer))))
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49 ; result))
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50
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51 (defun pi-md5sum (file)
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52 (with-temp-buffer
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53 (call-process "md5sum" file t)
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54 (goto-char (point-min))
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55 (looking-at "[a-z0-9]+")
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56 (buffer-substring (match-beginning 0) (match-end 0))))
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57
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58 (defun pi-update-key (key value)
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59 (save-excursion
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60 (goto-char (point-min))
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61 (let ((case-fold-search nil))
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62 (when (search-forward key)
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63 (replace-match value t)))))
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64
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65 (defun batch-update-package-info ()
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66 "Generate a package-info file for use by package-get.el.
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67 Parameters are:
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68 version -- Package version number
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69 filename -- Filename of tarball to generate info for."
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70 (unless noninteractive
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71 (error "`batch-update-package-info' is to be used only with -batch"))
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72 (let ((version (nth 0 command-line-args-left))
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241
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73 (filename (nth 1 command-line-args-left))
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74 (requires (nth 2 command-line-args-left)))
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75 (unless requires
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76 (setq requires ""))
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235
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77 (find-file package-info)
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78 (erase-buffer)
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79 (insert-file-contents-literally package-info-template)
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80 (goto-char (point-min))
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237
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81 (pi-update-key "VERSION" (format "\"%s\"" version))
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235
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82 (pi-update-key "MD5SUM" (format "\"%s\""
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83 (pi-md5sum filename)))
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84 (pi-update-key "FILENAME" (format "\"%s\""
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85 (file-name-nondirectory filename)))
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86 (pi-update-key "SIZE" (format "%d"
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87 (nth 7 (file-attributes filename))))
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241
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88 (pi-update-key "REQUIRES" requires)
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235
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89 (save-buffers-kill-emacs 0)))
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90
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91 (provide 'package-info)
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92
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93 ;;; package-info.el ends here
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