;;; gnus-start.el --- startup functions for Gnus
;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+;; 2005, 2006, 2007, 2008, 2009, 2010 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
+;; 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 3, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, 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
;; 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.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
:type 'file)
(defcustom gnus-backup-startup-file 'never
- "Whether to create backup files.
+ "Control use of version numbers for backups of `gnus-startup-file'.
This variable takes the same values as the `version-control'
variable."
:version "22.1"
should be less than this variable, are subscribed. Groups with
levels from `gnus-level-subscribed' (exclusive) upto this
variable (inclusive) are unsubscribed. See also
-`gnus-level-zombie', `gnus-level-killed' and the Info node `Group
+`gnus-level-zombie', `gnus-level-killed' and the Info node `(gnus)Group
Levels' for details.")
(defconst gnus-level-zombie 8
(mapconcat 'identity
'("^to\\." ; not "real" groups
"^[0-9. \t]+\\( \\|$\\)" ; all digits in name
- "^[\"][]\"[#'()]" ; bogus characters
+ "^[\"][\"#'()]" ; bogus characters
)
"\\|")
"*A regexp to match uninteresting newsgroups in the active file.
:type 'hook)
(defcustom gnus-before-startup-hook nil
- "A hook called at before startup.
+ "A hook called before startup.
This hook is called as the first thing when Gnus is started."
:group 'gnus-start
:type 'hook)
(defun gnus-subscribe-hierarchically (newgroup)
"Subscribe new NEWGROUP and insert it in hierarchical newsgroup order."
;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
- (save-excursion
- (set-buffer (nnheader-find-file-noselect gnus-current-startup-file))
+ (with-current-buffer (nnheader-find-file-noselect gnus-current-startup-file)
(prog1
(let ((groupkey newgroup) before)
(while (and (not before) groupkey)
nnoo-state-alist nil
gnus-current-select-method nil
nnmail-split-history nil
+ gnus-extended-servers nil
gnus-ephemeral-servers nil)
(gnus-shutdown 'gnus)
;; Kill the startup file.
(when gnus-select-method
(push (cons "native" gnus-select-method)
gnus-predefined-server-alist))
-
+
(if gnus-agent
(gnus-agentize))
(defun gnus-start-draft-setup ()
"Make sure the draft group exists."
+ (interactive)
(gnus-request-create-group "drafts" '(nndraft ""))
(unless (gnus-group-entry "nndraft:drafts")
(let ((gnus-level-default-subscribed 1))
;; it's not needed).
;; (set-window-point (get-buffer-window (current-buffer)) (point-max))
(bury-buffer gnus-dribble-buffer)
- (save-excursion
- (set-buffer gnus-group-buffer)
+ (with-current-buffer gnus-group-buffer
(gnus-group-set-mode-line))
(set-buffer obuf))))
(defun gnus-dribble-read-file ()
"Read the dribble file from disk."
(let ((dribble-file (gnus-dribble-file-name)))
- (save-excursion
- (set-buffer (setq gnus-dribble-buffer
- (gnus-get-buffer-create
- (file-name-nondirectory dribble-file))))
+ (unless (file-exists-p (file-name-directory dribble-file))
+ (make-directory (file-name-directory dribble-file) t))
+ (with-current-buffer (setq gnus-dribble-buffer
+ (gnus-get-buffer-create
+ (file-name-nondirectory dribble-file)))
(set (make-local-variable 'file-precious-flag) t)
(erase-buffer)
(setq buffer-file-name dribble-file)
(when (file-exists-p (gnus-dribble-file-name))
(delete-file (gnus-dribble-file-name)))
(when gnus-dribble-buffer
- (save-excursion
- (set-buffer gnus-dribble-buffer)
+ (with-current-buffer gnus-dribble-buffer
(let ((auto (make-auto-save-file-name)))
(when (file-exists-p auto)
(delete-file auto))
(defun gnus-dribble-save ()
(when (and gnus-dribble-buffer
(buffer-name gnus-dribble-buffer))
- (save-excursion
- (set-buffer gnus-dribble-buffer)
+ (with-current-buffer gnus-dribble-buffer
(save-buffer))))
(defun gnus-dribble-clear ()
(when (gnus-buffer-exists-p gnus-dribble-buffer)
- (save-excursion
- (set-buffer gnus-dribble-buffer)
+ (with-current-buffer gnus-dribble-buffer
(erase-buffer)
(set-buffer-modified-p nil)
(setq buffer-saved-size (buffer-size)))))
(when (gnus-active group)
(gnus-group-change-level
group gnus-level-default-subscribed gnus-level-killed)))
- (save-excursion
- (set-buffer gnus-group-buffer)
+ (with-current-buffer gnus-group-buffer
;; Don't error if the group already exists. This happens when a
;; first-time user types 'F'. -- didier
(gnus-group-make-help-group t))
(when (> (cdr cache-active) (cdr active))
(setcdr active (cdr cache-active))))))))
-(defun gnus-activate-group (group &optional scan dont-check method)
+(defun gnus-activate-group (group &optional scan dont-check method
+ dont-sub-check)
"Check whether a group has been activated or not.
If SCAN, request a scan of that group as well."
(let ((method (or method (inline (gnus-find-method-for-group group))))
(gnus-request-scan group method))
t)
(if (or debug-on-error debug-on-quit)
- (inline (gnus-request-group group dont-check method))
+ (inline (gnus-request-group group (or dont-sub-check dont-check)
+ method
+ (gnus-get-info group)))
(condition-case nil
- (inline (gnus-request-group group dont-check method))
+ (inline (gnus-request-group group (or dont-sub-check dont-check)
+ method
+ (gnus-get-info group)))
;;(error nil)
(quit
(message "Quit activating %s" group)
(let* ((newsrc (cdr gnus-newsrc-alist))
(alevel (or level gnus-activate-level (1+ gnus-level-subscribed)))
(foreign-level
- (min
- (cond ((and gnus-activate-foreign-newsgroups
- (not (numberp gnus-activate-foreign-newsgroups)))
- (1+ gnus-level-subscribed))
- ((numberp gnus-activate-foreign-newsgroups)
- gnus-activate-foreign-newsgroups)
- (t 0))
- alevel))
+ (or
+ level
+ (min
+ (cond ((and gnus-activate-foreign-newsgroups
+ (not (numberp gnus-activate-foreign-newsgroups)))
+ (1+ gnus-level-subscribed))
+ ((numberp gnus-activate-foreign-newsgroups)
+ gnus-activate-foreign-newsgroups)
+ (t 0))
+ alevel)))
(methods-cache nil)
(type-cache nil)
- scanned-methods info group active method retrieve-groups cmethod
- method-type)
+ (gnus-agent-article-local-times 0)
+ (archive-method (gnus-server-to-method "archive"))
+ infos info group active method cmethod
+ method-type method-group-list entry)
(gnus-message 6 "Checking new news...")
(while newsrc
(setq active (gnus-active (setq group (gnus-info-group
(setq info (pop newsrc))))))
-
- ;; Check newsgroups. If the user doesn't want to check them, or
- ;; they can't be checked (for instance, if the news server can't
- ;; be reached) we just set the number of unread articles in this
- ;; newsgroup to t. This means that Gnus thinks that there are
- ;; unread articles, but it has no idea how many.
-
- ;; To be more explicit:
- ;; >0 for an active group with messages
- ;; 0 for an active group with no unread messages
- ;; nil for non-foreign groups that the user has requested not be checked
- ;; t for unchecked foreign groups or bogus groups, or groups that can't
- ;; be checked, for one reason or other.
- (when (setq method (gnus-info-method info))
+ ;; First go through all the groups, see what select methods they
+ ;; belong to, and then collect them into lists per unique select
+ ;; method.
+ (if (not (setq method (gnus-info-method info)))
+ (setq method gnus-select-method)
+ ;; There may be several similar methods. Possibly extend the
+ ;; method.
(if (setq cmethod (assoc method methods-cache))
(setq method (cdr cmethod))
- (setq cmethod (inline (gnus-server-get-method nil method)))
+ (setq cmethod (if (stringp method)
+ (gnus-server-to-method method)
+ (inline (gnus-find-method-for-group
+ (gnus-info-group info) info))))
(push (cons method cmethod) methods-cache)
(setq method cmethod)))
- (when (and method
- (not (setq method-type (cdr (assoc method type-cache)))))
+ (setq method-group-list (assoc method type-cache))
+ (unless method-group-list
(setq method-type
(cond
- ((gnus-secondary-method-p method)
+ ((or (gnus-secondary-method-p method)
+ (and (gnus-archive-server-wanted-p)
+ (gnus-methods-equal-p archive-method method)))
'secondary)
((inline (gnus-server-equal gnus-select-method method))
'primary)
(t
'foreign)))
- (push (cons method method-type) type-cache))
-
- (cond ((and method (eq method-type 'foreign))
- ;; These groups are foreign. Check the level.
- (if (<= (gnus-info-level info) foreign-level)
- (when (setq active (gnus-activate-group group 'scan))
- ;; Let the Gnus agent save the active file.
- (when (and gnus-agent active (gnus-online method))
- (gnus-agent-save-group-info
- method (gnus-group-real-name group) active))
- (unless (inline (gnus-virtual-group-p group))
- (inline (gnus-close-group group)))
- (when (fboundp (intern (concat (symbol-name (car method))
- "-request-update-info")))
- (inline (gnus-request-update-info info method))))
- (if (and level
- ;; If `active' is nil that means the group has
- ;; never been read, the group should be marked
- ;; as having never been checked (see below).
- active
- (> (gnus-info-level info) level))
- ;; Don't check groups of which levels are higher
- ;; than the one that a user specified.
- (setq active 'ignore))))
- ;; These groups are native or secondary.
- ((> (gnus-info-level info) alevel)
- ;; We don't want these groups.
- (setq active 'ignore))
- ;; Activate groups.
- ((not gnus-read-active-file)
- (if (gnus-check-backend-function 'retrieve-groups group)
- ;; if server support gnus-retrieve-groups we push
- ;; the group onto retrievegroups for later checking
- (if (assoc method retrieve-groups)
- (setcdr (assoc method retrieve-groups)
- (cons group (cdr (assoc method retrieve-groups))))
- (push (list method group) retrieve-groups))
- ;; hack: `nnmail-get-new-mail' changes the mail-source depending
- ;; on the group, so we must perform a scan for every group
- ;; if the users has any directory mail sources.
- ;; hack: if `nnmail-scan-directory-mail-source-once' is non-nil,
- ;; for it scan all spool files even when the groups are
- ;; not required.
- (if (and
- (or nnmail-scan-directory-mail-source-once
- (null (assq 'directory mail-sources)))
- (member method scanned-methods))
- (setq active (gnus-activate-group group))
- (setq active (gnus-activate-group group 'scan))
- (push method scanned-methods))
- (when active
- (gnus-close-group group)))))
-
- ;; Get the number of unread articles in the group.
- (cond
- ((eq active 'ignore)
- ;; Don't do anything.
- )
- (active
- (inline (gnus-get-unread-articles-in-group info active t)))
- (t
- ;; The group couldn't be reached, so we nix out the number of
- ;; unread articles and stuff.
- (gnus-set-active group nil)
- (let ((tmp (gnus-group-entry group)))
- (when tmp
- (setcar tmp t))))))
-
- ;; iterate through groups on methods which support gnus-retrieve-groups
- ;; and fetch a partial active file and use it to find new news.
- (dolist (rg retrieve-groups)
- (let ((method (or (car rg) gnus-select-method))
- (groups (cdr rg)))
- (when (gnus-check-server method)
- ;; Request that the backend scan its incoming messages.
- (when (gnus-check-backend-function 'request-scan (car method))
- (gnus-request-scan nil method))
- (gnus-read-active-file-2
- (mapcar (lambda (group) (gnus-group-real-name group)) groups)
- method)
- (dolist (group groups)
- (cond
- ((setq active (gnus-active (gnus-info-group
- (setq info (gnus-get-info group)))))
- (inline (gnus-get-unread-articles-in-group info active t)))
- (t
- ;; The group couldn't be reached, so we nix out the number of
- ;; unread articles and stuff.
- (gnus-set-active group nil)
- (setcar (gnus-group-entry group) t)))))))
-
+ (push (setq method-group-list (list method method-type nil nil))
+ type-cache))
+ ;; Only add groups that need updating.
+ (if (<= (gnus-info-level info)
+ (if (eq (cadr method-group-list) 'foreign)
+ foreign-level
+ alevel))
+ (setcar (nthcdr 2 method-group-list)
+ (cons info (nth 2 method-group-list)))
+ ;; The group is inactive, so we nix out the number of unread articles.
+ ;; It leads `(gnus-group-unread group)' to return t. See also
+ ;; `gnus-group-prepare-flat'.
+ (unless active
+ (when (setq entry (gnus-group-entry group))
+ (setcar entry t)))))
+
+ ;; Sort the methods based so that the primary and secondary
+ ;; methods come first. This is done for legacy reasons to try to
+ ;; ensure that side-effect behaviour doesn't change from previous
+ ;; Gnus versions.
+ (setq type-cache
+ (sort (nreverse type-cache)
+ (lambda (c1 c2)
+ (< (gnus-method-rank (cadr c1) (car c1))
+ (gnus-method-rank (cadr c2) (car c2))))))
+
+ ;; Start early async retrieval of data.
+ (dolist (elem type-cache)
+ (destructuring-bind (method method-type infos dummy) elem
+ (when (and method infos
+ (not (gnus-method-denied-p method)))
+ (unless (gnus-server-opened method)
+ (gnus-open-server method))
+ (when (gnus-check-backend-function
+ 'retrieve-group-data-early (car method))
+ (when (gnus-check-backend-function 'request-scan (car method))
+ (gnus-request-scan nil method))
+ (setcar (nthcdr 3 elem)
+ (gnus-retrieve-group-data-early method infos))))))
+
+ ;; Do the rest of the retrieval.
+ (dolist (elem type-cache)
+ (destructuring-bind (method method-type infos early-data) elem
+ (when (and method infos)
+ (let ((updatep (gnus-check-backend-function
+ 'request-update-info (car method))))
+ ;; See if any of the groups from this method require updating.
+ (gnus-read-active-for-groups method infos early-data)
+ (dolist (info infos)
+ (inline (gnus-get-unread-articles-in-group
+ info (gnus-active (gnus-info-group info))
+ updatep)))))))
(gnus-message 6 "Checking new news...done")))
+(defun gnus-method-rank (type method)
+ (cond
+ ;; Get info for virtual groups last.
+ ((eq (car method) 'nnvirtual)
+ 200)
+ ((eq type 'primary)
+ 1)
+ ;; Compute the rank of the secondary methods based on where they
+ ;; are in the secondary select list.
+ ((eq type 'secondary)
+ (let ((i 2))
+ (block nil
+ (dolist (smethod gnus-secondary-select-methods)
+ (when (equal method smethod)
+ (return i))
+ (incf i))
+ i)))
+ ;; Just say that all foreign groups have the same rank.
+ (t
+ 100)))
+
+(defun gnus-read-active-for-groups (method infos early-data)
+ (with-current-buffer nntp-server-buffer
+ (cond
+ ((and
+ (gnus-check-backend-function 'finish-retrieve-group-infos (car method))
+ (or (not (gnus-agent-method-p method))
+ (gnus-online method)))
+ (gnus-finish-retrieve-group-infos method infos early-data)
+ (gnus-agent-save-active method))
+ ((gnus-check-backend-function 'retrieve-groups (car method))
+ (when (gnus-check-backend-function 'request-scan (car method))
+ (gnus-request-scan nil method))
+ (let (groups)
+ (gnus-read-active-file-2
+ (dolist (info infos (nreverse groups))
+ (push (gnus-group-real-name (gnus-info-group info)) groups))
+ method)))
+ ((gnus-check-backend-function 'request-list (car method))
+ (gnus-read-active-file-1 method nil infos))
+ (t
+ (dolist (info infos)
+ (gnus-activate-group (gnus-info-group info) nil nil method t))))))
+
;; Create a hash table out of the newsrc alist. The `car's of the
;; alist elements are used as keys.
(defun gnus-make-hashtable-from-newsrc-alist ()
(if (setq rest (member method methods))
(gnus-info-set-method info (car rest))
(push method methods)))
- (gnus-sethash
- (car info)
- ;; Preserve number of unread articles in groups.
- (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
- prev)
- gnus-newsrc-hashtb)
- (setq prev alist
- alist (cdr alist)))
+ ;; Check for duplicates.
+ (if (gnus-gethash (car info) gnus-newsrc-hashtb)
+ ;; Remove this entry from the alist.
+ (setcdr prev (cddr prev))
+ (gnus-sethash
+ (car info)
+ ;; Preserve number of unread articles in groups.
+ (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
+ prev)
+ gnus-newsrc-hashtb)
+ (setq prev alist))
+ (setq alist (cdr alist)))
;; Make the same select-methods in `gnus-server-alist' identical
;; as well.
(while methods
(defun gnus-parse-active ()
"Parse active info in the nntp server buffer."
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(goto-char (point-min))
;; Parse the result we got from `gnus-request-group'.
(when (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
(list "archive")))))
method)
(setq gnus-have-read-active-file nil)
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(while (setq method (pop methods))
;; Only do each method once, in case the methods appear more
;; than once in this list.
(message "Quit reading the active file")
nil))))))))
-(defun gnus-read-active-file-1 (method force)
+(defun gnus-read-active-file-1 (method force &optional infos)
(let (where mesg)
(setq where (nth 1 method)
mesg (format "Reading active file%s via %s..."
(if (and where (not (zerop (length where))))
(concat " from " where) "")
(car method)))
- (gnus-message 5 mesg)
+ (gnus-message 5 "%s" mesg)
(when (gnus-check-server method)
;; Request that the backend scan its incoming messages.
- (when (gnus-check-backend-function 'request-scan (car method))
+ (when (and (or (and gnus-agent
+ (gnus-online method))
+ (not gnus-agent))
+ (gnus-check-backend-function 'request-scan (car method)))
(gnus-request-scan nil method))
(cond
((and (eq gnus-read-active-file 'some)
(unless (equal method gnus-message-archive-method)
(gnus-error 1 "Cannot read active file from %s server"
(car method)))
- (gnus-message 5 mesg)
+ (gnus-message 5 "%s" mesg)
(gnus-active-to-gnus-format method gnus-active-hashtb nil t)
;; We mark this active file as read.
(push method gnus-have-read-active-file)
(defun gnus-read-active-file-2 (groups method)
"Read an active file for GROUPS in METHOD using `gnus-retrieve-groups'."
(when groups
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(gnus-check-server method)
(let ((list-type (gnus-retrieve-groups groups method)))
(cond ((not list-type)
(not force)
(or (not gnus-dribble-buffer)
(not (buffer-name gnus-dribble-buffer))
- (zerop (save-excursion
- (set-buffer gnus-dribble-buffer)
+ (zerop (with-current-buffer gnus-dribble-buffer
(buffer-size)))))
(gnus-message 4 "(No changes need to be saved)")
(gnus-run-hooks 'gnus-save-newsrc-hook)
(if (and (eq system-type 'ms-dos)
(not (gnus-long-file-names)))
"%s#%d.tm#" ; MSDOS limits files to 8+3
- (if (memq system-type '(vax-vms axp-vms))
- "%s$tmp$%d"
- "%s#tmp#%d"))
+ "%s#tmp#%d")
working-dir (setq i (1+ i))))
(file-exists-p working-file)))
(defun gnus-gnus-to-newsrc-format ()
;; Generate and save the .newsrc file.
- (save-excursion
- (set-buffer (create-file-buffer gnus-current-startup-file))
+ (with-current-buffer (create-file-buffer gnus-current-startup-file)
(let ((newsrc (cdr gnus-newsrc-alist))
(standard-output (current-buffer))
info ranges range method)
(defun gnus-slave-mode ()
"Minor mode for slave Gnusae."
+ ;; FIXME: gnus-slave-mode appears to never be set (i.e. it'll always be nil):
+ ;; Remove, or fix and use define-minor-mode.
(add-minor-mode 'gnus-slave-mode " Slave" (make-sparse-keymap))
(gnus-run-hooks 'gnus-slave-mode-hook))
(defun gnus-slave-save-newsrc ()
- (save-excursion
- (set-buffer gnus-dribble-buffer)
+ (with-current-buffer gnus-dribble-buffer
(let ((slave-name
(mm-make-temp-file (concat gnus-current-startup-file "-slave-")))
(modes (ignore-errors
(if (not slave-files)
() ; There are no slave files to read.
(gnus-message 7 "Reading slave newsrcs...")
- (save-excursion
- (set-buffer (gnus-get-buffer-create " *gnus slave*"))
+ (with-current-buffer (gnus-get-buffer-create " *gnus slave*")
(setq slave-files
(sort (mapcar (lambda (file)
(list (nth 5 (file-attributes file)) file))
nil)
(t
(save-excursion
+ ;; FIXME: Shouldn't save-restriction be done after set-buffer?
(save-restriction
(set-buffer nntp-server-buffer)
(goto-char (point-min))
(defun gnus-group-get-description (group)
"Get the description of a group by sending XGTITLE to the server."
(when (gnus-request-group-description group)
- (save-excursion
- (set-buffer nntp-server-buffer)
+ (with-current-buffer nntp-server-buffer
(goto-char (point-min))
(when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
(match-string 1)))))
(provide 'gnus-start)
-;; arch-tag: f4584a22-b7b7-4853-abfc-a637329af5d2
;;; gnus-start.el ends here
-
-
projects / gnus / blobdiff