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1 ;;; gnus-soup.el --- SOUP packet writing support for Gnus
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2 ;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
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3
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4 ;; Author: Per Abrahamsen <abraham@iesd.auc.dk>
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5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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6 ;; Keywords: news, mail
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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 the
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22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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25 ;;; Commentary:
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26
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27 ;;; Code:
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28
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29 (require 'gnus)
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30 (require 'gnus-art)
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31 (require 'message)
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32 (require 'gnus-start)
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33 (require 'gnus-range)
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34
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35 ;;; User Variables:
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36
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37 (defvar gnus-soup-directory "~/SoupBrew/"
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38 "*Directory containing an unpacked SOUP packet.")
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39
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40 (defvar gnus-soup-replies-directory (concat gnus-soup-directory "SoupReplies/")
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41 "*Directory where Gnus will do processing of replies.")
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42
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43 (defvar gnus-soup-prefix-file "gnus-prefix"
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44 "*Name of the file where Gnus stores the last used prefix.")
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45
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46 (defvar gnus-soup-packer "tar cf - %s | gzip > $HOME/Soupout%d.tgz"
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47 "Format string command for packing a SOUP packet.
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48 The SOUP files will be inserted where the %s is in the string.
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49 This string MUST contain both %s and %d. The file number will be
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50 inserted where %d appears.")
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51
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52 (defvar gnus-soup-unpacker "gunzip -c %s | tar xvf -"
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53 "*Format string command for unpacking a SOUP packet.
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54 The SOUP packet file name will be inserted at the %s.")
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55
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56 (defvar gnus-soup-packet-directory "~/"
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57 "*Where gnus-soup will look for REPLIES packets.")
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58
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59 (defvar gnus-soup-packet-regexp "Soupin"
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60 "*Regular expression matching SOUP REPLIES packets in `gnus-soup-packet-directory'.")
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61
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62 (defvar gnus-soup-ignored-headers "^Xref:"
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63 "*Regexp to match headers to be removed when brewing SOUP packets.")
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64
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65 ;;; Internal Variables:
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66
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67 (defvar gnus-soup-encoding-type ?n
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68 "*Soup encoding type.
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69 `n' is news format, `m' is Unix mbox format, and `M' is MMDF mailbox
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70 format.")
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71
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72 (defvar gnus-soup-index-type ?c
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73 "*Soup index type.
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74 `n' means no index file and `c' means standard Cnews overview
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75 format.")
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76
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77 (defvar gnus-soup-areas nil)
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78 (defvar gnus-soup-last-prefix nil)
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79 (defvar gnus-soup-prev-prefix nil)
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80 (defvar gnus-soup-buffers nil)
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81
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82 ;;; Access macros:
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83
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84 (defmacro gnus-soup-area-prefix (area)
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85 `(aref ,area 0))
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86 (defmacro gnus-soup-set-area-prefix (area prefix)
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87 `(aset ,area 0 ,prefix))
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88 (defmacro gnus-soup-area-name (area)
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89 `(aref ,area 1))
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90 (defmacro gnus-soup-area-encoding (area)
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91 `(aref ,area 2))
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92 (defmacro gnus-soup-area-description (area)
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93 `(aref ,area 3))
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94 (defmacro gnus-soup-area-number (area)
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95 `(aref ,area 4))
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96 (defmacro gnus-soup-area-set-number (area value)
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97 `(aset ,area 4 ,value))
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98
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99 (defmacro gnus-soup-encoding-format (encoding)
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100 `(aref ,encoding 0))
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101 (defmacro gnus-soup-encoding-index (encoding)
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102 `(aref ,encoding 1))
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103 (defmacro gnus-soup-encoding-kind (encoding)
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104 `(aref ,encoding 2))
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105
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106 (defmacro gnus-soup-reply-prefix (reply)
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107 `(aref ,reply 0))
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108 (defmacro gnus-soup-reply-kind (reply)
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109 `(aref ,reply 1))
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110 (defmacro gnus-soup-reply-encoding (reply)
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111 `(aref ,reply 2))
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112
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113 ;;; Commands:
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114
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115 (defun gnus-soup-send-replies ()
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116 "Unpack and send all replies in the reply packet."
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117 (interactive)
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118 (let ((packets (directory-files
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119 gnus-soup-packet-directory t gnus-soup-packet-regexp)))
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120 (while packets
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121 (when (gnus-soup-send-packet (car packets))
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122 (delete-file (car packets)))
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123 (setq packets (cdr packets)))))
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124
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125 (defun gnus-soup-add-article (n)
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126 "Add the current article to SOUP packet.
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127 If N is a positive number, add the N next articles.
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128 If N is a negative number, add the N previous articles.
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129 If N is nil and any articles have been marked with the process mark,
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130 move those articles instead."
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131 (interactive "P")
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132 (gnus-set-global-variables)
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133 (let* ((articles (gnus-summary-work-articles n))
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134 (tmp-buf (get-buffer-create "*soup work*"))
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135 (area (gnus-soup-area gnus-newsgroup-name))
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136 (prefix (gnus-soup-area-prefix area))
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137 headers)
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138 (buffer-disable-undo tmp-buf)
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139 (save-excursion
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140 (while articles
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141 ;; Find the header of the article.
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142 (set-buffer gnus-summary-buffer)
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143 (when (setq headers (gnus-summary-article-header (car articles)))
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144 ;; Put the article in a buffer.
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145 (set-buffer tmp-buf)
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146 (when (gnus-request-article-this-buffer
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147 (car articles) gnus-newsgroup-name)
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148 (save-restriction
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149 (message-narrow-to-head)
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150 (message-remove-header gnus-soup-ignored-headers t))
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151 (gnus-soup-store gnus-soup-directory prefix headers
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152 gnus-soup-encoding-type
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153 gnus-soup-index-type)
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108
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154 (gnus-soup-area-set-number
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155 area (1+ (or (gnus-soup-area-number area) 0)))))
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108
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156 ;; Mark article as read.
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157 (set-buffer gnus-summary-buffer)
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158 (gnus-summary-remove-process-mark (car articles))
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159 (gnus-summary-mark-as-read (car articles) gnus-souped-mark)
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160 (setq articles (cdr articles)))
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161 (kill-buffer tmp-buf))
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162 (gnus-soup-save-areas)))
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163
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164 (defun gnus-soup-pack-packet ()
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165 "Make a SOUP packet from the SOUP areas."
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166 (interactive)
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167 (gnus-soup-read-areas)
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168 (unless (file-exists-p gnus-soup-directory)
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169 (message "No such directory: %s" gnus-soup-directory))
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170 (when (null (directory-files gnus-soup-directory nil "\\.MSG$"))
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171 (message "No files to pack."))
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172 (gnus-soup-pack gnus-soup-directory gnus-soup-packer))
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173
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174 (defun gnus-group-brew-soup (n)
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175 "Make a soup packet from the current group.
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176 Uses the process/prefix convention."
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177 (interactive "P")
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178 (let ((groups (gnus-group-process-prefix n)))
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179 (while groups
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180 (gnus-group-remove-mark (car groups))
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181 (gnus-soup-group-brew (car groups) t)
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182 (setq groups (cdr groups)))
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183 (gnus-soup-save-areas)))
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184
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185 (defun gnus-brew-soup (&optional level)
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186 "Go through all groups on LEVEL or less and make a soup packet."
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187 (interactive "P")
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188 (let ((level (or level gnus-level-subscribed))
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189 (newsrc (cdr gnus-newsrc-alist)))
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190 (while newsrc
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191 (when (<= (nth 1 (car newsrc)) level)
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192 (gnus-soup-group-brew (caar newsrc) t))
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193 (setq newsrc (cdr newsrc)))
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194 (gnus-soup-save-areas)))
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195
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196 ;;;###autoload
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197 (defun gnus-batch-brew-soup ()
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198 "Brew a SOUP packet from groups mention on the command line.
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199 Will use the remaining command line arguments as regular expressions
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200 for matching on group names.
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201
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202 For instance, if you want to brew on all the nnml groups, as well as
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203 groups with \"emacs\" in the name, you could say something like:
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204
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205 $ emacs -batch -f gnus-batch-brew-soup ^nnml \".*emacs.*\""
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206 (interactive)
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207 nil)
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208
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209 ;;; Internal Functions:
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210
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211 ;; Store the current buffer.
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212 (defun gnus-soup-store (directory prefix headers format index)
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213 ;; Create the directory, if needed.
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214 (gnus-make-directory directory)
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215 (let* ((msg-buf (nnheader-find-file-noselect
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216 (concat directory prefix ".MSG")))
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217 (idx-buf (if (= index ?n)
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218 nil
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219 (nnheader-find-file-noselect
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220 (concat directory prefix ".IDX"))))
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221 (article-buf (current-buffer))
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222 from head-line beg type)
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223 (setq gnus-soup-buffers (cons msg-buf (delq msg-buf gnus-soup-buffers)))
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224 (buffer-disable-undo msg-buf)
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225 (when idx-buf
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226 (push idx-buf gnus-soup-buffers)
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227 (buffer-disable-undo idx-buf))
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228 (save-excursion
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229 ;; Make sure the last char in the buffer is a newline.
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230 (goto-char (point-max))
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231 (unless (= (current-column) 0)
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232 (insert "\n"))
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233 ;; Find the "from".
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234 (goto-char (point-min))
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235 (setq from
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236 (gnus-mail-strip-quoted-names
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237 (or (mail-fetch-field "from")
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238 (mail-fetch-field "really-from")
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239 (mail-fetch-field "sender"))))
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240 (goto-char (point-min))
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241 ;; Depending on what encoding is supposed to be used, we make
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242 ;; a soup header.
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243 (setq head-line
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244 (cond
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245 ((= gnus-soup-encoding-type ?n)
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246 (format "#! rnews %d\n" (buffer-size)))
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247 ((= gnus-soup-encoding-type ?m)
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248 (while (search-forward "\nFrom " nil t)
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249 (replace-match "\n>From " t t))
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250 (concat "From " (or from "unknown")
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251 " " (current-time-string) "\n"))
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252 ((= gnus-soup-encoding-type ?M)
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253 "\^a\^a\^a\^a\n")
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254 (t (error "Unsupported type: %c" gnus-soup-encoding-type))))
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255 ;; Insert the soup header and the article in the MSG buf.
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256 (set-buffer msg-buf)
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257 (goto-char (point-max))
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258 (insert head-line)
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259 (setq beg (point))
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260 (insert-buffer-substring article-buf)
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261 ;; Insert the index in the IDX buf.
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262 (cond ((= index ?c)
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263 (set-buffer idx-buf)
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264 (gnus-soup-insert-idx beg headers))
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265 ((/= index ?n)
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266 (error "Unknown index type: %c" type)))
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267 ;; Return the MSG buf.
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268 msg-buf)))
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269
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270 (defun gnus-soup-group-brew (group &optional not-all)
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271 "Enter GROUP and add all articles to a SOUP package.
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272 If NOT-ALL, don't pack ticked articles."
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273 (let ((gnus-expert-user t)
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274 (gnus-large-newsgroup nil)
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275 (entry (gnus-gethash group gnus-newsrc-hashtb)))
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276 (when (or (null entry)
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277 (eq (car entry) t)
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278 (and (car entry)
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279 (> (car entry) 0))
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280 (and (not not-all)
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281 (gnus-range-length (cdr (assq 'tick (gnus-info-marks
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282 (nth 2 entry)))))))
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283 (when (gnus-summary-read-group group nil t)
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284 (setq gnus-newsgroup-processable
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285 (reverse
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286 (if (not not-all)
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287 (append gnus-newsgroup-marked gnus-newsgroup-unreads)
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288 gnus-newsgroup-unreads)))
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289 (gnus-soup-add-article nil)
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290 (gnus-summary-exit)))))
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291
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292 (defun gnus-soup-insert-idx (offset header)
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293 ;; [number subject from date id references chars lines xref]
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294 (goto-char (point-max))
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295 (insert
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296 (format "%d\t%s\t%s\t%s\t%s\t%s\t%d\t%s\t\t\n"
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297 offset
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298 (or (mail-header-subject header) "(none)")
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299 (or (mail-header-from header) "(nobody)")
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300 (or (mail-header-date header) "")
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301 (or (mail-header-id header)
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108
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302 (concat "soup-dummy-id-"
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303 (mapconcat
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304 (lambda (time) (int-to-string time))
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305 (current-time) "-")))
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306 (or (mail-header-references header) "")
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307 (or (mail-header-chars header) 0)
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308 (or (mail-header-lines header) "0"))))
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309
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310 (defun gnus-soup-save-areas ()
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311 (gnus-soup-write-areas)
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312 (save-excursion
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313 (let (buf)
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314 (while gnus-soup-buffers
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315 (setq buf (car gnus-soup-buffers)
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316 gnus-soup-buffers (cdr gnus-soup-buffers))
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317 (if (not (buffer-name buf))
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318 ()
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319 (set-buffer buf)
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320 (when (buffer-modified-p)
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321 (save-buffer))
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322 (kill-buffer (current-buffer)))))
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323 (gnus-soup-write-prefixes)))
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324
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325 (defun gnus-soup-write-prefixes ()
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326 (let ((prefixes gnus-soup-last-prefix)
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327 prefix)
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328 (save-excursion
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329 (gnus-set-work-buffer)
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330 (while (setq prefix (pop prefixes))
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331 (erase-buffer)
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332 (insert (format "(setq gnus-soup-prev-prefix %d)\n" (cdr prefix)))
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333 (gnus-write-buffer (concat (car prefix) gnus-soup-prefix-file))))))
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334
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335 (defun gnus-soup-pack (dir packer)
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336 (let* ((files (mapconcat 'identity
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337 '("AREAS" "*.MSG" "*.IDX" "INFO"
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338 "LIST" "REPLIES" "COMMANDS" "ERRORS")
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339 " "))
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340 (packer (if (< (string-match "%s" packer)
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341 (string-match "%d" packer))
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342 (format packer files
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343 (string-to-int (gnus-soup-unique-prefix dir)))
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108
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344 (format packer
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345 (string-to-int (gnus-soup-unique-prefix dir))
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346 files)))
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347 (dir (expand-file-name dir)))
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348 (gnus-make-directory dir)
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349 (setq gnus-soup-areas nil)
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350 (gnus-message 4 "Packing %s..." packer)
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351 (if (zerop (call-process shell-file-name
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352 nil nil nil shell-command-switch
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353 (concat "cd " dir " ; " packer)))
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354 (progn
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355 (call-process shell-file-name nil nil nil shell-command-switch
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356 (concat "cd " dir " ; rm " files))
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357 (gnus-message 4 "Packing...done" packer))
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358 (error "Couldn't pack packet."))))
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359
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360 (defun gnus-soup-parse-areas (file)
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361 "Parse soup area file FILE.
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362 The result is a of vectors, each containing one entry from the AREA file.
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108
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363 The vector contain five strings,
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0
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364 [prefix name encoding description number]
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365 though the two last may be nil if they are missing."
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366 (let (areas)
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367 (save-excursion
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98
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368 (set-buffer (nnheader-find-file-noselect file 'force))
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0
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369 (buffer-disable-undo (current-buffer))
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370 (goto-char (point-min))
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371 (while (not (eobp))
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98
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372 (push (vector (gnus-soup-field)
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373 (gnus-soup-field)
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374 (gnus-soup-field)
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375 (and (eq (preceding-char) ?\t)
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376 (gnus-soup-field))
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377 (and (eq (preceding-char) ?\t)
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378 (string-to-int (gnus-soup-field))))
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379 areas)
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380 (when (eq (preceding-char) ?\t)
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381 (beginning-of-line 2)))
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0
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382 (kill-buffer (current-buffer)))
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383 areas))
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384
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385 (defun gnus-soup-parse-replies (file)
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386 "Parse soup REPLIES file FILE.
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387 The result is a of vectors, each containing one entry from the REPLIES
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98
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388 file. The vector contain three strings, [prefix name encoding]."
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0
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389 (let (replies)
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390 (save-excursion
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98
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391 (set-buffer (nnheader-find-file-noselect file))
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0
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392 (buffer-disable-undo (current-buffer))
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393 (goto-char (point-min))
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394 (while (not (eobp))
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98
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395 (push (vector (gnus-soup-field) (gnus-soup-field)
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396 (gnus-soup-field))
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397 replies)
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398 (when (eq (preceding-char) ?\t)
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399 (beginning-of-line 2)))
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0
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400 (kill-buffer (current-buffer)))
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401 replies))
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402
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403 (defun gnus-soup-field ()
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404 (prog1
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405 (buffer-substring (point) (progn (skip-chars-forward "^\t\n") (point)))
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406 (forward-char 1)))
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407
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408 (defun gnus-soup-read-areas ()
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409 (or gnus-soup-areas
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410 (setq gnus-soup-areas
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411 (gnus-soup-parse-areas (concat gnus-soup-directory "AREAS")))))
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412
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413 (defun gnus-soup-write-areas ()
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414 "Write the AREAS file."
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415 (interactive)
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416 (when gnus-soup-areas
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417 (nnheader-temp-write (concat gnus-soup-directory "AREAS")
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418 (let ((areas gnus-soup-areas)
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419 area)
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420 (while (setq area (pop areas))
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421 (insert
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108
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422 (format
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0
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423 "%s\t%s\t%s%s\n"
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424 (gnus-soup-area-prefix area)
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98
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425 (gnus-soup-area-name area)
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0
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426 (gnus-soup-area-encoding area)
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98
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427 (if (or (gnus-soup-area-description area)
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0
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428 (gnus-soup-area-number area))
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429 (concat "\t" (or (gnus-soup-area-description
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430 area) "")
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431 (if (gnus-soup-area-number area)
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108
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432 (concat "\t" (int-to-string
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0
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433 (gnus-soup-area-number area)))
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434 "")) ""))))))))
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435
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436 (defun gnus-soup-write-replies (dir areas)
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437 "Write a REPLIES file in DIR containing AREAS."
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438 (nnheader-temp-write (concat dir "REPLIES")
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439 (let (area)
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440 (while (setq area (pop areas))
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441 (insert (format "%s\t%s\t%s\n"
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442 (gnus-soup-reply-prefix area)
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98
|
443 (gnus-soup-reply-kind area)
|
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0
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444 (gnus-soup-reply-encoding area)))))))
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445
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446 (defun gnus-soup-area (group)
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447 (gnus-soup-read-areas)
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448 (let ((areas gnus-soup-areas)
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449 (real-group (gnus-group-real-name group))
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450 area result)
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451 (while areas
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452 (setq area (car areas)
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453 areas (cdr areas))
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98
|
454 (when (equal (gnus-soup-area-name area) real-group)
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455 (setq result area)))
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456 (unless result
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457 (setq result
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458 (vector (gnus-soup-unique-prefix)
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108
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459 real-group
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98
|
460 (format "%c%c%c"
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461 gnus-soup-encoding-type
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462 gnus-soup-index-type
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463 (if (gnus-member-of-valid 'mail group) ?m ?n))
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464 nil nil)
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465 gnus-soup-areas (cons result gnus-soup-areas)))
|
|
0
|
466 result))
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467
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468 (defun gnus-soup-unique-prefix (&optional dir)
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469 (let* ((dir (file-name-as-directory (or dir gnus-soup-directory)))
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470 (entry (assoc dir gnus-soup-last-prefix))
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471 gnus-soup-prev-prefix)
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472 (if entry
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473 ()
|
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98
|
474 (when (file-exists-p (concat dir gnus-soup-prefix-file))
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475 (ignore-errors
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476 (load (concat dir gnus-soup-prefix-file) nil t t)))
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477 (push (setq entry (cons dir (or gnus-soup-prev-prefix 0)))
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478 gnus-soup-last-prefix))
|
|
0
|
479 (setcdr entry (1+ (cdr entry)))
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480 (gnus-soup-write-prefixes)
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|
|
481 (int-to-string (cdr entry))))
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482
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483 (defun gnus-soup-unpack-packet (dir unpacker packet)
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484 "Unpack PACKET into DIR using UNPACKER.
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|
|
485 Return whether the unpacking was successful."
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|
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486 (gnus-make-directory dir)
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487 (gnus-message 4 "Unpacking: %s" (format unpacker packet))
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488 (prog1
|
|
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489 (zerop (call-process
|
|
|
490 shell-file-name nil nil nil shell-command-switch
|
|
98
|
491 (format "cd %s ; %s" (expand-file-name dir)
|
|
0
|
492 (format unpacker packet))))
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|
|
493 (gnus-message 4 "Unpacking...done")))
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494
|
|
|
495 (defun gnus-soup-send-packet (packet)
|
|
108
|
496 (gnus-soup-unpack-packet
|
|
0
|
497 gnus-soup-replies-directory gnus-soup-unpacker packet)
|
|
108
|
498 (let ((replies (gnus-soup-parse-replies
|
|
0
|
499 (concat gnus-soup-replies-directory "REPLIES"))))
|
|
|
500 (save-excursion
|
|
|
501 (while replies
|
|
|
502 (let* ((msg-file (concat gnus-soup-replies-directory
|
|
|
503 (gnus-soup-reply-prefix (car replies))
|
|
|
504 ".MSG"))
|
|
|
505 (msg-buf (and (file-exists-p msg-file)
|
|
98
|
506 (nnheader-find-file-noselect msg-file)))
|
|
0
|
507 (tmp-buf (get-buffer-create " *soup send*"))
|
|
|
508 beg end)
|
|
108
|
509 (cond
|
|
|
510 ((/= (gnus-soup-encoding-format
|
|
98
|
511 (gnus-soup-reply-encoding (car replies)))
|
|
|
512 ?n)
|
|
0
|
513 (error "Unsupported encoding"))
|
|
|
514 ((null msg-buf)
|
|
|
515 t)
|
|
|
516 (t
|
|
|
517 (buffer-disable-undo msg-buf)
|
|
|
518 (buffer-disable-undo tmp-buf)
|
|
|
519 (set-buffer msg-buf)
|
|
|
520 (goto-char (point-min))
|
|
|
521 (while (not (eobp))
|
|
98
|
522 (unless (looking-at "#! *rnews +\\([0-9]+\\)")
|
|
|
523 (error "Bad header."))
|
|
0
|
524 (forward-line 1)
|
|
|
525 (setq beg (point)
|
|
108
|
526 end (+ (point) (string-to-int
|
|
|
527 (buffer-substring
|
|
0
|
528 (match-beginning 1) (match-end 1)))))
|
|
|
529 (switch-to-buffer tmp-buf)
|
|
|
530 (erase-buffer)
|
|
|
531 (insert-buffer-substring msg-buf beg end)
|
|
|
532 (goto-char (point-min))
|
|
|
533 (search-forward "\n\n")
|
|
|
534 (forward-char -1)
|
|
|
535 (insert mail-header-separator)
|
|
|
536 (setq message-newsreader (setq message-mailer
|
|
|
537 (gnus-extended-version)))
|
|
108
|
538 (cond
|
|
0
|
539 ((string= (gnus-soup-reply-kind (car replies)) "news")
|
|
|
540 (gnus-message 5 "Sending news message to %s..."
|
|
|
541 (mail-fetch-field "newsgroups"))
|
|
|
542 (sit-for 1)
|
|
98
|
543 (let ((message-syntax-checks
|
|
|
544 'dont-check-for-anything-just-trust-me))
|
|
|
545 (funcall message-send-news-function)))
|
|
0
|
546 ((string= (gnus-soup-reply-kind (car replies)) "mail")
|
|
|
547 (gnus-message 5 "Sending mail to %s..."
|
|
98
|
548 (mail-fetch-field "to"))
|
|
0
|
549 (sit-for 1)
|
|
|
550 (message-send-mail))
|
|
|
551 (t
|
|
|
552 (error "Unknown reply kind")))
|
|
|
553 (set-buffer msg-buf)
|
|
|
554 (goto-char end))
|
|
|
555 (delete-file (buffer-file-name))
|
|
|
556 (kill-buffer msg-buf)
|
|
|
557 (kill-buffer tmp-buf)
|
|
|
558 (gnus-message 4 "Sent packet"))))
|
|
|
559 (setq replies (cdr replies)))
|
|
|
560 t)))
|
|
108
|
561
|
|
0
|
562 (provide 'gnus-soup)
|
|
|
563
|
|
|
564 ;;; gnus-soup.el ends here
|
