mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-27 07:37:33 +00:00
188 lines
6.2 KiB
EmacsLisp
188 lines
6.2 KiB
EmacsLisp
;;; gnus-move.el --- commands for moving Gnus from one server to another
|
|
|
|
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
|
|
;; 2005, 2006, 2007 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., 51 Franklin Street, Fifth Floor,
|
|
;; Boston, MA 02110-1301, USA.
|
|
|
|
;;; Commentary:
|
|
|
|
;;; Code:
|
|
|
|
(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)
|
|
(mail-sources nil)
|
|
(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)
|
|
(gnus-uncompress-range
|
|
(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)
|
|
|
|
;;; arch-tag: 503742b8-7d66-4d79-bb31-4a698070707b
|
|
;;; gnus-move.el ends here
|