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235
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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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245
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65 (defun pi-author-version (author-version)
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66 (if (> (length author-version) 0)
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67 (format "\"%s\"" author-version)
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68 (format "\"%d.%d%s\"" emacs-major-version emacs-minor-version
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69 (if (and (boundp 'xemacs-betaname) xemacs-betaname)
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70 (progn
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71 (string-match "[0-9]+" xemacs-betaname)
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72 (concat "b" (match-string 0 xemacs-betaname)))
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73 ""))))
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74
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75 (defun pi-last-mod-date ()
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76 (condition-case nil
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77 (save-excursion
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78 (with-temp-buffer
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79 (insert-file-contents-literally "ChangeLog")
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80 (goto-char (point-min))
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81 (looking-at "[-0-9]+")
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82 (format "\"%s\""
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83 (buffer-substring (match-beginning 0)
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84 (match-end 0)))))
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85 ;; Fallback on current date if no valid ChangeLog entry
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86 (t (format-time-string "\"%Y-%m-%d\""))))
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87
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235
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88 (defun batch-update-package-info ()
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89 "Generate a package-info file for use by package-get.el.
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90 Parameters are:
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91 version -- Package version number
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245
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92 filename -- Filename of tarball to generate info for.
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93 requires -- Packages necessary for bytecompiling.
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94 author-version -- The original Author's version #.
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95 maintainer -- The package maintainer.
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96 category -- The build category."
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235
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97 (unless noninteractive
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98 (error "`batch-update-package-info' is to be used only with -batch"))
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99 (let ((version (nth 0 command-line-args-left))
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241
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100 (filename (nth 1 command-line-args-left))
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245
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101 (requires (nth 2 command-line-args-left))
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102 (author-version (nth 3 command-line-args-left))
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103 (maintainer (nth 4 command-line-args-left))
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104 (category (nth 5 command-line-args-left)))
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241
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105 (unless requires
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106 (setq requires ""))
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235
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107 (find-file package-info)
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108 (erase-buffer)
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109 (insert-file-contents-literally package-info-template)
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110 (goto-char (point-min))
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237
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111 (pi-update-key "VERSION" (format "\"%s\"" version))
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235
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112 (pi-update-key "MD5SUM" (format "\"%s\""
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113 (pi-md5sum filename)))
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114 (pi-update-key "FILENAME" (format "\"%s\""
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115 (file-name-nondirectory filename)))
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116 (pi-update-key "SIZE" (format "%d"
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117 (nth 7 (file-attributes filename))))
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241
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118 (pi-update-key "REQUIRES" requires)
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245
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119 (pi-update-key "AUTHOR_VERSION" (pi-author-version author-version))
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120 (pi-update-key "MAINTAINER" (format "\"%s\"" maintainer))
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121 (pi-update-key "CATEGORY" (format "\"%s\"" category))
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122 (pi-update-key "BUILD_DATE" (format-time-string "\"%Y-%m-%d\""))
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123 (pi-update-key "DATE" (pi-last-mod-date))
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235
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124 (save-buffers-kill-emacs 0)))
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125
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126 (provide 'package-info)
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127
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128 ;;; package-info.el ends here
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