;;; gnus-start.el --- startup functions for Gnus
-;; Copyright (C) 1996-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1996-2014 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(require 'gnus-spec)
(require 'gnus-range)
(require 'gnus-util)
+(require 'gnus-cloud)
(autoload 'message-make-date "message")
(autoload 'gnus-agent-read-servers-validate "gnus-agent")
(autoload 'gnus-agent-save-local "gnus-agent")
groups since the last time it checked:
1. This variable is `ask-server'.
2. This variable is a list of select methods (see below).
- 3. `gnus-read-active-file' is nil or `some'.
+ 3. Option `gnus-read-active-file' is nil or `some'.
4. A prefix argument is given to `gnus-find-new-newsgroups' interactively.
Thus, if this variable is `ask-server' or a list of select methods or
the `ask-server' method in addition to the primary, secondary, and archive
servers.
-Eg.
+E.g.:
(setq gnus-check-new-newsgroups
'((nntp \"some.server\") (nntp \"other.server\")))
function
(repeat function)))
-(defcustom gnus-subscribe-newsgroup-hooks nil
+(define-obsolete-variable-alias 'gnus-subscribe-newsgroup-hooks
+ 'gnus-subscribe-newsgroup-functions "24.3")
+(defcustom gnus-subscribe-newsgroup-functions nil
"*Hooks run after you subscribe to a new group.
The hooks will be called with new group's name as argument."
:version "22.1"
(defcustom gnus-before-startup-hook nil
"A hook called before startup.
-This hook is called as the first thing when Gnus is started."
+This hook is called as the first thing when Gnus is started.
+See also `gnus-before-resume-hook'."
+ :group 'gnus-start
+ :type 'hook)
+
+(defcustom gnus-before-resume-hook nil
+ "A hook called before resuming Gnus after suspend.
+This hook is called as the first thing when Gnus is resumed after a suspend.
+See also `gnus-before-startup-hook'."
+ :version "24.4"
:group 'gnus-start
:type 'hook)
:group 'gnus-newsrc
:type 'hook)
+(defcustom gnus-save-newsrc-file-check-timestamp nil
+ "Check the modification time of the newsrc.eld file before saving it.
+When the newsrc.eld file is updated by multiple machines,
+checking the file's modification time is a good way to avoid
+overwriting updated data."
+ :version "25.1"
+ :group 'gnus-newsrc
+ :type 'boolean)
+
(defcustom gnus-save-newsrc-hook nil
"A hook called before saving any of the newsrc files."
:group 'gnus-newsrc
gnus-level-killed (gnus-group-entry (or next "dummy.group")))
(gnus-request-update-group-status newsgroup 'subscribe)
(gnus-message 5 "Subscribe newsgroup: %s" newsgroup)
- (run-hook-with-args 'gnus-subscribe-newsgroup-hooks newsgroup)
+ (run-hook-with-args 'gnus-subscribe-newsgroup-functions newsgroup)
t))
(defun gnus-read-active-file-p ()
(if (gnus-alive-p)
(progn
+ (gnus-run-hooks 'gnus-before-resume-hook)
(switch-to-buffer gnus-group-buffer)
(gnus-group-get-new-news
(and (numberp arg)
(setq buffer-save-without-query t)
(erase-buffer)
(setq buffer-file-name dribble-file)
+ ;; The buffer may be shrunk a lot when deleting old entries.
+ ;; It caused the auto-saving to stop.
+ (if (featurep 'emacs)
+ (set (make-local-variable 'auto-save-include-big-deletions) t)
+ (set (make-local-variable 'disable-auto-save-when-buffer-shrinks) nil))
(auto-save-mode t)
(buffer-disable-undo)
(bury-buffer (current-buffer))
(when (and gnus-dribble-buffer
(buffer-name gnus-dribble-buffer))
(with-current-buffer gnus-dribble-buffer
- (save-buffer))))
+ (when (> (buffer-size) 0)
+ (save-buffer)))))
(defun gnus-dribble-clear ()
(when (gnus-buffer-exists-p gnus-dribble-buffer)
(funcall gnus-group-change-level-function
group level oldlevel previous)))))
-(defun gnus-kill-newsgroup (newsgroup)
- "Obsolete function. Kills a newsgroup."
- (gnus-group-change-level
- (gnus-group-entry newsgroup) gnus-level-killed))
-
(defun gnus-check-bogus-newsgroups (&optional confirm)
"Remove bogus newsgroups.
If CONFIRM is non-nil, the user has to confirm the deletion of every
"Check whether a group has been activated or not.
If SCAN, request a scan of that group as well. If METHOD, use
that select method instead of determining the method based on the
-group name. If DONT-CHECK, don't check check whether the group
+group name. If DONT-CHECK, don't check whether the group
actually exists. If DONT-SUB-CHECK or DONT-CHECK, don't let the
backend check whether the group actually exists."
(let ((method (or method (inline (gnus-find-method-for-group group))))
(or (not (gnus-agent-method-p method))
(gnus-online method)))
(gnus-finish-retrieve-group-infos method infos early-data)
+ ;; We may have altered the data now, so mark the dribble buffer
+ ;; as dirty so that it gets saved.
+ (gnus-dribble-touch)
(gnus-agent-save-active method))
;; Most backends have -retrieve-groups.
((gnus-check-backend-function 'retrieve-groups (car method))
(gnus-clean-old-newsrc))))
(defun gnus-clean-old-newsrc (&optional force)
- (when gnus-newsrc-file-version
- ;; Remove totally bogus `unexists' entries. The name is
- ;; `unexist'.
- (dolist (info (cdr gnus-newsrc-alist))
- (let ((exist (assoc 'unexists (gnus-info-marks info))))
- (when exist
- (gnus-info-set-marks
- info (delete exist (gnus-info-marks info))))))
- (when (or force
- (< (gnus-continuum-version gnus-newsrc-file-version)
- (gnus-continuum-version "Ma Gnus v0.03")))
- ;; Remove old `exist' marks from old nnimap groups.
- (dolist (info (cdr gnus-newsrc-alist))
- (let ((exist (assoc 'unexist (gnus-info-marks info))))
- (when exist
- (gnus-info-set-marks
- info (delete exist (gnus-info-marks info)))))))))
+ ;; Currently no cleanups.
+ )
(defun gnus-convert-old-newsrc ()
"Convert old newsrc formats into the current format, if needed."
'msdos-long-file-names
(lambda () t))))
+(defvar gnus-save-newsrc-file-last-timestamp nil)
(defun gnus-save-newsrc-file (&optional force)
"Save .newsrc file."
;; Note: We cannot save .newsrc file if all newsgroups are removed
(erase-buffer)
(gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
+ ;; check timestamp of `gnus-current-startup-file'.eld against
+ ;; `gnus-save-newsrc-file-last-timestamp'
+ (when gnus-save-newsrc-file-check-timestamp
+ (let* ((checkfile (concat gnus-current-startup-file ".eld"))
+ (mtime (nth 5 (file-attributes checkfile))))
+ (when (and gnus-save-newsrc-file-last-timestamp
+ (time-less-p gnus-save-newsrc-file-last-timestamp
+ mtime))
+ (unless (y-or-n-p
+ (format "%s was updated externally after %s, save?"
+ checkfile
+ (format-time-string
+ "%c"
+ gnus-save-newsrc-file-last-timestamp)))
+ (error "Couldn't save %s: updated externally" checkfile)))))
+
(if gnus-save-startup-file-via-temp-buffer
(let ((coding-system-for-write gnus-ding-file-coding-system)
(standard-output (current-buffer)))
(gnus-gnus-to-quick-newsrc-format)
(gnus-run-hooks 'gnus-save-quick-newsrc-hook)
- (save-buffer))
+ (save-buffer)
+ (setq gnus-save-newsrc-file-last-timestamp
+ (nth 5 (file-attributes buffer-file-name))))
(let ((coding-system-for-write gnus-ding-file-coding-system)
(version-control gnus-backup-startup-file)
(startup-file (concat gnus-current-startup-file ".eld"))
;; Replace the existing startup file with the temp file.
(rename-file working-file startup-file t)
- (gnus-set-file-modes startup-file setmodes)))
+ (gnus-set-file-modes startup-file setmodes)
+ (setq gnus-save-newsrc-file-last-timestamp
+ (nth 5 (file-attributes startup-file)))))
(condition-case nil
(delete-file working-file)
(file-error nil)))))