1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
;;; gnus-move.el --- commands for moving Gnus from one server to another
;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;;; Code:
(eval-when-compile (require 'cl))
(eval-when-compile (require 'cl))
(require 'gnus)
(require 'gnus-start)
(require 'gnus-int)
(require 'gnus-range)
;;;
;;; Moving by comparing Message-ID's.
;;;
;;;###autoload
(defun gnus-change-server (from-server to-server)
"Move from FROM-SERVER to TO-SERVER.
Update the .newsrc.eld file to reflect the change of nntp server."
(interactive
(list gnus-select-method (gnus-read-method "Move to method: ")))
;; First start Gnus.
(let ((gnus-activate-level 0)
(nnmail-spool-file nil))
(gnus))
(save-excursion
;; Go through all groups and translate.
(let ((newsrc gnus-newsrc-alist)
(nntp-nov-gap nil)
info)
(while (setq info (pop newsrc))
(when (gnus-group-native-p (gnus-info-group info))
(gnus-move-group-to-server info from-server to-server))))))
(defun gnus-move-group-to-server (info from-server to-server)
"Move group INFO from FROM-SERVER to TO-SERVER."
(let ((group (gnus-info-group info))
to-active hashtb type mark marks
to-article to-reads to-marks article
act-articles)
(gnus-message 7 "Translating %s..." group)
(when (gnus-request-group group nil to-server)
(setq to-active (gnus-parse-active)
hashtb (gnus-make-hashtable 1024)
act-articles (gnus-uncompress-range to-active))
;; Fetch the headers from the `to-server'.
(when (and to-active
act-articles
(setq type (gnus-retrieve-headers
act-articles
group to-server)))
;; Convert HEAD headers. I don't care.
(when (eq type 'headers)
(nnvirtual-convert-headers))
;; Create a mapping from Message-ID to article number.
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(while (looking-at
"^[0-9]+\t[^\t]*\t[^\t]*\t[^\t]*\t\\([^\t]*\\)\t")
(gnus-sethash
(buffer-substring (match-beginning 1) (match-end 1))
(read (current-buffer))
hashtb)
(forward-line 1))
;; Then we read the headers from the `from-server'.
(when (and (gnus-request-group group nil from-server)
(gnus-active group)
(setq type (gnus-retrieve-headers
(gnus-uncompress-range
(gnus-active group))
group from-server)))
;; Make it easier to map marks.
(let ((mark-lists (gnus-info-marks info))
ms type m)
(while mark-lists
(setq type (caar mark-lists)
ms (gnus-uncompress-range (cdr (pop mark-lists))))
(while ms
(if (setq m (assq (car ms) marks))
(setcdr m (cons type (cdr m)))
(push (list (car ms) type) marks))
(pop ms))))
;; Convert.
(when (eq type 'headers)
(nnvirtual-convert-headers))
;; Go through the headers and map away.
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(while (looking-at
"^[0-9]+\t[^\t]*\t[^\t]*\t[^\t]*\t\\([^\t]*\\)\t")
(when (setq to-article
(gnus-gethash
(buffer-substring (match-beginning 1) (match-end 1))
hashtb))
;; Add this article to the list of read articles.
(push to-article to-reads)
;; See if there are any marks and then add them.
(when (setq mark (assq (read (current-buffer)) marks))
(setq marks (delq mark marks))
(setcar mark to-article)
(push mark to-marks))
(forward-line 1)))
;; Now we know what the read articles are and what the
;; article marks are. We transform the information
;; into the Gnus info format.
(setq to-reads
(gnus-range-add
(gnus-compress-sequence
(and (setq to-reads (delq nil to-reads))
(sort to-reads '<))
t)
(cons 1 (1- (car to-active)))))
(gnus-info-set-read info to-reads)
;; Do the marks. I'm sure y'all understand what's
;; going on down below, so I won't bother with any
;; further comments. <duck>
(let ((mlists gnus-article-mark-lists)
lists ms a)
(while mlists
(push (list (cdr (pop mlists))) lists))
(while (setq ms (pop marks))
(setq article (pop ms))
(while ms
(setcdr (setq a (assq (pop ms) lists))
(cons article (cdr a)))))
(setq a lists)
(while a
(setcdr (car a) (gnus-compress-sequence
(and (cdar a) (sort (cdar a) '<))))
(pop a))
(gnus-info-set-marks info lists t)))))
(gnus-message 7 "Translating %s...done" group)))
(defun gnus-group-move-group-to-server (info from-server to-server)
"Move the group on the current line from FROM-SERVER to TO-SERVER."
(interactive
(let ((info (gnus-get-info (gnus-group-group-name))))
(list info (gnus-find-method-for-group (gnus-info-group info))
(gnus-read-method (format "Move group %s to method: "
(gnus-info-group info))))))
(save-excursion
(gnus-move-group-to-server info from-server to-server)
;; We have to update the group info to point use the right server.
(gnus-info-set-method info to-server t)
;; We also have to change the name of the group and stuff.
(let* ((group (gnus-info-group info))
(new-name (gnus-group-prefixed-name
(gnus-group-real-name group) to-server)))
(gnus-info-set-group info new-name)
(gnus-sethash new-name (gnus-gethash group gnus-newsrc-hashtb)
gnus-newsrc-hashtb)
(gnus-sethash group nil gnus-newsrc-hashtb))))
(provide 'gnus-move)
;;; gnus-move.el ends here
|
