;;; gnus-start.el --- startup functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
(require 'gnus-util)
(autoload 'message-make-date "message")
(autoload 'gnus-agent-read-servers-validate "gnus-agent")
+(autoload 'gnus-agent-save-local "gnus-agent")
(autoload 'gnus-agent-possibly-alter-active "gnus-agent")
+(eval-when-compile
+ (defvar gnus-agent-covered-methods nil)
+ (defvar gnus-agent-file-loading-local nil)
+ (defvar gnus-agent-file-loading-cache nil))
(defcustom gnus-startup-file (nnheader-concat gnus-home-directory ".newsrc")
"Your `.newsrc' file.
"Whether to create backup files.
This variable takes the same values as the `version-control'
variable."
+ :version "21.4"
:group 'gnus-start
:type '(choice (const :tag "Never" never)
(const :tag "If existing" nil)
the buffer or write directly to the file. The buffer is faster
because all of the contents are written at once. The direct write
uses considerably less memory."
+ :version "21.4"
:group 'gnus-start
:type '(choice (const :tag "Write via buffer" t)
(const :tag "Write directly to file" nil)))
(defun gnus-subscribe-hierarchical-interactive (groups)
(let ((groups (sort groups 'string<))
- prefixes prefix start ans group starts)
+ prefixes prefix start ans group starts real-group)
(while groups
(setq prefixes (list "^"))
(while (and groups prefixes)
- (while (not (string-match (car prefixes) (car groups)))
+ (while (not (string-match (car prefixes)
+ (gnus-group-real-name (car groups))))
(setq prefixes (cdr prefixes)))
(setq prefix (car prefixes))
(setq start (1- (length prefix)))
- (if (and (string-match "[^\\.]\\." (car groups) start)
+ (if (and (string-match "[^\\.]\\." (gnus-group-real-name (car groups))
+ start)
(cdr groups)
(setq prefix
- (concat "^" (substring (car groups) 0 (match-end 0))))
- (string-match prefix (cadr groups)))
+ (concat "^" (substring
+ (gnus-group-real-name (car groups))
+ 0 (match-end 0))))
+ (string-match prefix (gnus-group-real-name (cadr groups))))
(progn
(push prefix prefixes)
(message "Descend hierarchy %s? ([y]nsq): "
(substring prefix 1 (1- (length prefix)))))
(cond ((= ans ?n)
(while (and groups
- (string-match prefix
- (setq group (car groups))))
+ (setq group (car groups)
+ real-group (gnus-group-real-name group))
+ (string-match prefix real-group))
(push group gnus-killed-list)
(gnus-sethash group group gnus-killed-hashtb)
(setq groups (cdr groups)))
(setq starts (cdr starts)))
((= ans ?s)
(while (and groups
- (string-match prefix
- (setq group (car groups))))
+ (setq group (car groups)
+ real-group (gnus-group-real-name group))
+ (string-match prefix real-group))
(gnus-sethash group group gnus-killed-hashtb)
(gnus-subscribe-alphabetically (car groups))
(setq groups (cdr groups)))
(setq gnus-list-of-killed-groups nil
gnus-have-read-active-file nil
gnus-agent-covered-methods nil
+ gnus-agent-file-loading-local nil
+ gnus-agent-file-loading-cache nil
gnus-server-method-cache nil
gnus-newsrc-alist nil
gnus-newsrc-hashtb nil
(when (or gnus-slave gnus-use-dribble-file)
(gnus-dribble-read-file))
- ;; Allow using GroupLens predictions.
- (when gnus-use-grouplens
- (bbb-login)
- (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
-
;; Do the actual startup.
(if gnus-agent
(gnus-request-create-group "queue" '(nndraft "")))
(when (and (file-exists-p gnus-current-startup-file)
(file-exists-p dribble-file)
(setq modes (file-modes gnus-current-startup-file)))
- (set-file-modes dribble-file modes))
+ (gnus-set-file-modes dribble-file modes))
(goto-char (point-min))
(when (search-forward "Gnus was exited on purpose" nil t)
(setq purpose t))
(setcdr active (cdr cache-active))))))))
(defun gnus-activate-group (group &optional scan dont-check method)
- ;; Check whether a group has been activated or not.
- ;; If SCAN, request a scan of that group as well.
+ "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))))
active)
(and (inline (gnus-check-server method))
(gnus-active group))
(gnus-active group)
+ ;; If a cache is present, we may have to alter the active info.
+ (when gnus-use-cache
+ (inline (gnus-cache-possibly-alter-active
+ group active)))
+
+ ;; If the agent is enabled, we may have to alter the active info.
+ (when gnus-agent
+ (gnus-agent-possibly-alter-active group active))
+
(gnus-set-active group active)
;; Return the new active info.
active)))))
(defun gnus-get-unread-articles-in-group (info active &optional update)
- (when active
+ (when (and info active)
;; Allow the backend to update the info in the group.
(when (and update
(gnus-request-update-info
(let* ((range (gnus-info-read info))
(num 0))
+
+ ;; These checks are present in gnus-activate-group but skipped
+ ;; due to setting dont-check in the preceeding call.
+
;; If a cache is present, we may have to alter the active info.
(when (and gnus-use-cache info)
(inline (gnus-cache-possibly-alter-active
;; If the agent is enabled, we may have to alter the active info.
(when (and gnus-agent info)
- (gnus-agent-possibly-alter-active
- (gnus-info-group info) active))
+ (gnus-agent-possibly-alter-active (gnus-info-group info) active info))
;; Modify the list of read articles according to what articles
;; are available; then tally the unread articles and add the
(methods-cache nil)
(type-cache nil)
scanned-methods info group active method retrieve-groups cmethod
- method-type)
+ method-type ignore)
(gnus-message 6 "Checking new news...")
(while newsrc
(t
'foreign)))
(push (cons method method-type) type-cache))
- (if (and method
- (eq method-type 'foreign))
- ;; These groups are foreign. Check the level.
- (when (and (<= (gnus-info-level info) foreign-level)
- (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))))
- ;; These groups are native or secondary.
- (cond
- ;; We don't want these groups.
- ((> (gnus-info-level info) level)
- (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
- (or mail-sources
- (if (listp nnmail-spool-file)
- nnmail-spool-file
- (list nnmail-spool-file))))))
- (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))))))
+
+ (setq ignore nil)
+ (cond ((and method (eq method-type 'foreign))
+ ;; These groups are foreign. Check the level.
+ (if (<= (gnus-info-level info) foreign-level)
+ (when (and (<= (gnus-info-level info) foreign-level)
+ (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))))
+ (setq ignore t)))
+ ;; These groups are native or secondary.
+ ((> (gnus-info-level info) level)
+ ;; 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
+ (or mail-sources
+ (if (listp nnmail-spool-file)
+ nnmail-spool-file
+ (list nnmail-spool-file))))))
+ (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.
)
+ ((and active ignore)
+ ;; The level of the foreign group is higher than the specified
+ ;; value.
+ )
(active
(inline (gnus-get-unread-articles-in-group info active t)))
(t
(defun gnus-make-hashtable-from-newsrc-alist ()
(let ((alist gnus-newsrc-alist)
(ohashtb gnus-newsrc-hashtb)
- prev)
+ prev info method rest methods)
(setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
(setq alist
(setq prev (setq gnus-newsrc-alist
gnus-newsrc-alist
(cons (list "dummy.group" 0 nil) alist)))))
(while alist
+ (setq info (car alist))
+ ;; Make the same select-methods identical Lisp objects.
+ (when (setq method (gnus-info-method info))
+ (if (setq rest (member method methods))
+ (gnus-info-set-method info (car rest))
+ (push method methods)))
(gnus-sethash
- (caar alist)
+ (car info)
;; Preserve number of unread articles in groups.
- (cons (and ohashtb (car (gnus-gethash (caar alist) ohashtb)))
+ (cons (and ohashtb (car (gnus-gethash (car info) ohashtb)))
prev)
gnus-newsrc-hashtb)
(setq prev alist
- alist (cdr alist)))))
+ alist (cdr alist)))
+ ;; Make the same select-methods in `gnus-server-alist' identical
+ ;; as well.
+ (while methods
+ (setq method (pop methods))
+ (when (setq rest (rassoc method gnus-server-alist))
+ (setcdr rest method)))))
(defun gnus-make-hashtable-from-killed ()
"Create a hash table from the killed and zombie lists."
(while (setq info (pop newsrc))
(when (inline
(gnus-server-equal
- (inline
- (gnus-find-method-for-group
- (gnus-info-group info) info))
- gmethod))
+ (inline
+ (gnus-find-method-for-group
+ (gnus-info-group info) info))
+ gmethod))
(push (gnus-group-real-name (gnus-info-group info))
groups)))
(gnus-read-active-file-2 groups method)))
(gnus-online method)
(gnus-agent-method-p method))
(progn
- (gnus-agent-save-groups method)
+ (gnus-agent-save-active method)
(gnus-active-to-gnus-format method hashtb nil real-active))
(goto-char (point-min))
(kill-buffer (current-buffer))
(gnus-message 5 "Reading %s...done" newsrc-file))))))
+(quote (;; T-gnus doesn't provide those functions.
+(defun gnus-convert-old-newsrc ()
+ "Convert old newsrc formats into the current format, if needed."
+ (let ((fcv (and gnus-newsrc-file-version
+ (gnus-continuum-version gnus-newsrc-file-version))))
+ (when fcv
+ ;; A newsrc file was loaded.
+ (let (prompt-displayed
+ (converters
+ (sort
+ (mapcar (lambda (date-func)
+ (cons (gnus-continuum-version (car date-func))
+ date-func))
+ ;; This is a list of converters that must be run
+ ;; to bring the newsrc file up to the current
+ ;; version. If you create an incompatibility
+ ;; with older versions, you should create an
+ ;; entry here. The entry should consist of the
+ ;; current gnus version (hardcoded so that it
+ ;; doesn't change with each release) and the
+ ;; function that must be applied to convert the
+ ;; previous version into the current version.
+ '(("September Gnus v0.1" nil
+ gnus-convert-old-ticks)
+ ("Oort Gnus v0.08" "legacy-gnus-agent"
+ gnus-agent-convert-to-compressed-agentview)
+ ("No Gnus v0.2" "legacy-gnus-agent"
+ gnus-agent-unlist-expire-days)
+ ("No Gnus v0.2" "legacy-gnus-agent"
+ gnus-agent-unhook-expire-days)))
+ #'car-less-than-car)))
+ ;; Skip converters older than the file version
+ (while (and converters (>= fcv (caar converters)))
+ (pop converters))
+
+ ;; Perform converters to bring older version up to date.
+ (when (and converters (< fcv (caar converters)))
+ (while (and converters (< fcv (caar converters)))
+ (let* ((converter-spec (pop converters))
+ (convert-to (nth 1 converter-spec))
+ (load-from (nth 2 converter-spec))
+ (func (nth 3 converter-spec)))
+ (when (and load-from
+ (not (fboundp func)))
+ (load load-from t))
+
+ (or prompt-displayed
+ (not (gnus-convert-converter-needs-prompt func))
+ (while (let (c
+ (cursor-in-echo-area t)
+ (echo-keystrokes 0))
+ (message "Convert gnus from version '%s' to '%s'? (n/y/?)"
+ gnus-newsrc-file-version gnus-version)
+ (setq c (read-char-exclusive))
+
+ (cond ((or (eq c ?n) (eq c ?N))
+ (error "Can not start gnus without converting"))
+ ((or (eq c ?y) (eq c ?Y))
+ (setq prompt-displayed t)
+ nil)
+ ((eq c ?\?)
+ (message "This conversion is irreversible. \
+ To be safe, you should backup your files before proceeding.")
+ (sit-for 5)
+ t)
+ (t
+ (gnus-message 3 "Ignoring unexpected input")
+ (sit-for 3)
+ t)))))
+
+ (funcall func convert-to)))
+ (gnus-dribble-enter
+ (format ";Converted gnus from version '%s' to '%s'."
+ gnus-newsrc-file-version gnus-version)))))))
+
+(defun gnus-convert-mark-converter-prompt (converter no-prompt)
+ "Indicate whether CONVERTER requires gnus-convert-old-newsrc to
+ display the conversion prompt. NO-PROMPT may be nil (prompt),
+ t (no prompt), or any form that can be called as a function.
+ The form should return either t or nil."
+ (put converter 'gnus-convert-no-prompt no-prompt))
+
+(defun gnus-convert-converter-needs-prompt (converter)
+ (let ((no-prompt (get converter 'gnus-convert-no-prompt)))
+ (not (if (memq no-prompt '(t nil))
+ no-prompt
+ (funcall no-prompt)))))
+
+(defun gnus-convert-old-ticks (converting-to)
+ (let ((newsrc (cdr gnus-newsrc-alist))
+ marks info dormant ticked)
+ (while (setq info (pop newsrc))
+ (when (setq marks (gnus-info-marks info))
+ (setq dormant (cdr (assq 'dormant marks))
+ ticked (cdr (assq 'tick marks)))
+ (when (or dormant ticked)
+ (gnus-info-set-read
+ info
+ (gnus-add-to-range
+ (gnus-info-read info)
+ (nconc (gnus-uncompress-range dormant)
+ (gnus-uncompress-range ticked)))))))))
+))
+
(defun gnus-load (file &optional coding-system)
"Load FILE, but in such a way that read errors can be reported."
(with-temp-buffer
(point-at-bol)
;; Options may continue on the next line.
(or (and (re-search-forward "^[^ \t]" nil 'move)
- (progn (beginning-of-line) (point)))
+ (point-at-bol))
(point)))))
(forward-line -1))
(symbol
;; from the variable gnus-newsrc-alist.
(when (and (or gnus-newsrc-alist gnus-killed-list)
gnus-current-startup-file)
+ ;; Save agent range limits for the currently active method.
+ (when gnus-agent
+ (gnus-agent-save-local force))
+
(save-excursion
(if (and (or gnus-use-dribble-file gnus-slave)
(not force)
(gnus-message 8 "Saving %s..." gnus-current-startup-file)
(gnus-gnus-to-newsrc-format)
(gnus-message 8 "Saving %s...done" gnus-current-startup-file))
+
;; Save .newsrc.eld.
(set-buffer (gnus-get-buffer-create " *Gnus-newsrc*"))
(make-local-variable 'version-control)
;; Replace the existing startup file with the temp file.
(rename-file working-file startup-file t)
- (set-file-modes startup-file setmodes)))
+ (gnus-set-file-modes startup-file setmodes)))
(condition-case nil
(delete-file working-file)
(file-error nil)))))
(gnus-write-buffer-as-coding-system gnus-ding-file-coding-system
slave-name)
(when modes
- (set-file-modes slave-name modes)))))
+ (gnus-set-file-modes slave-name modes)))))
(defun gnus-master-read-slave-newsrc ()
(let ((slave-files