mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-01 08:17:38 +00:00
228 lines
10 KiB
EmacsLisp
228 lines
10 KiB
EmacsLisp
(require 'gnus-start)
|
|
(require 'gnus-util)
|
|
(require 'gnus-range)
|
|
(require 'gnus-agent)
|
|
|
|
; Oort Gnus v0.08 - This release updated agent to no longer use
|
|
; history file and to support a compressed alist.
|
|
|
|
(defvar gnus-agent-compressed-agentview-search-only nil)
|
|
|
|
(defun gnus-agent-convert-to-compressed-agentview (converting-to)
|
|
"Iterates over all agentview files to ensure that they have been
|
|
converted to the compressed format."
|
|
|
|
(let ((search-in (list gnus-agent-directory))
|
|
here
|
|
members
|
|
member
|
|
converted-something)
|
|
(while (setq here (pop search-in))
|
|
(setq members (directory-files here t))
|
|
(while (setq member (pop members))
|
|
(cond ((string-match "/\\.\\.?$" member)
|
|
nil)
|
|
((file-directory-p member)
|
|
(push member search-in))
|
|
((equal (file-name-nondirectory member) ".agentview")
|
|
(setq converted-something
|
|
(or (gnus-agent-convert-agentview member)
|
|
converted-something))))))
|
|
|
|
(if converted-something
|
|
(gnus-message 4 "Successfully converted Gnus %s offline (agent) files to %s" gnus-newsrc-file-version converting-to))))
|
|
|
|
(defun gnus-agent-convert-to-compressed-agentview-prompt ()
|
|
(catch 'found-file-to-convert
|
|
(let ((gnus-agent-compressed-agentview-search-only t))
|
|
(gnus-agent-convert-to-compressed-agentview nil))))
|
|
|
|
(gnus-convert-mark-converter-prompt 'gnus-agent-convert-to-compressed-agentview 'gnus-agent-convert-to-compressed-agentview-prompt)
|
|
|
|
(defun gnus-agent-convert-agentview (file)
|
|
"Load FILE and do a `read' there."
|
|
(with-temp-buffer
|
|
(nnheader-insert-file-contents file)
|
|
(goto-char (point-min))
|
|
(let ((inhibit-quit t)
|
|
(alist (read (current-buffer)))
|
|
(version (condition-case nil (read (current-buffer))
|
|
(end-of-file 0)))
|
|
changed-version
|
|
history-file)
|
|
|
|
(cond
|
|
((= version 0)
|
|
(let (entry
|
|
(gnus-command-method nil))
|
|
(mm-disable-multibyte) ;; everything is binary
|
|
(erase-buffer)
|
|
(insert "\n")
|
|
(let ((file (concat (file-name-directory file) "/history")))
|
|
(when (file-exists-p file)
|
|
(nnheader-insert-file-contents file)
|
|
(setq history-file file)))
|
|
|
|
(goto-char (point-min))
|
|
(while (not (eobp))
|
|
(if (and (looking-at
|
|
"[^\t\n]+\t\\([0-9]+\\)\t\\([^ \n]+\\) \\([0-9]+\\)")
|
|
(string= (gnus-agent-article-name ".agentview" (match-string 2))
|
|
file)
|
|
(setq entry (assoc (string-to-number (match-string 3)) alist)))
|
|
(setcdr entry (string-to-number (match-string 1))))
|
|
(forward-line 1))
|
|
(setq changed-version t)))
|
|
((= version 1)
|
|
(setq changed-version t)))
|
|
|
|
(when changed-version
|
|
(when gnus-agent-compressed-agentview-search-only
|
|
(throw 'found-file-to-convert t))
|
|
|
|
(erase-buffer)
|
|
(let ((compressed nil))
|
|
(mapcar (lambda (pair)
|
|
(let* ((article-id (car pair))
|
|
(day-of-download (cdr pair))
|
|
(comp-list (assq day-of-download compressed)))
|
|
(if comp-list
|
|
(setcdr comp-list
|
|
(cons article-id (cdr comp-list)))
|
|
(setq compressed
|
|
(cons (list day-of-download article-id)
|
|
compressed)))
|
|
nil)) alist)
|
|
(mapcar (lambda (comp-list)
|
|
(setcdr comp-list
|
|
(gnus-compress-sequence
|
|
(nreverse (cdr comp-list)))))
|
|
compressed)
|
|
(princ compressed (current-buffer)))
|
|
(insert "\n2\n")
|
|
(write-file file)
|
|
(when history-file
|
|
(delete-file history-file))
|
|
t))))
|
|
|
|
;; End of Oort Gnus v0.08 updates
|
|
|
|
;; No Gnus v0.3 - This release provides a mechanism for upgrading gnus
|
|
;; from previous versions. Therefore, the previous
|
|
;; hacks to handle a gnus-agent-expire-days that
|
|
;; specifies a list of values can be removed.
|
|
|
|
(defun gnus-agent-unlist-expire-days (converting-to)
|
|
(when (listp gnus-agent-expire-days)
|
|
(let (buffer)
|
|
(unwind-protect
|
|
(save-window-excursion
|
|
(setq buffer (gnus-get-buffer-create " *Gnus agent upgrade*"))
|
|
(set-buffer buffer)
|
|
(erase-buffer)
|
|
(insert "The definition of gnus-agent-expire-days has been changed.\nYou currently have it set to the list:\n ")
|
|
(gnus-pp gnus-agent-expire-days)
|
|
|
|
(insert "\nIn order to use version '" converting-to "' of gnus, you will need to set\n")
|
|
(insert "gnus-agent-expire-days to an integer. If you still wish to set different\n")
|
|
(insert "expiration days to individual groups, you must instead set the\n")
|
|
(insert "'agent-days-until-old group and/or topic parameter.\n")
|
|
(insert "\n")
|
|
(insert "If you would like, gnus can iterate over every group comparing its name to the\n")
|
|
(insert "regular expressions that you currently have in gnus-agent-expire-days. When\n")
|
|
(insert "gnus finds a match, it will update that group's 'agent-days-until-old group\n")
|
|
(insert "parameter to the value associated with the regular expression.\n")
|
|
(insert "\n")
|
|
(insert "Whether gnus assigns group parameters, or not, gnus will terminate with an\n")
|
|
(insert "ERROR as soon as this function completes. The reason is that you must\n")
|
|
(insert "manually edit your configuration to either not set gnus-agent-expire-days or\n")
|
|
(insert "to set it to an integer before gnus can be used.\n")
|
|
(insert "\n")
|
|
(insert "Once you have successfully edited gnus-agent-expire-days, gnus will be able to\n")
|
|
(insert "execute past this function.\n")
|
|
(insert "\n")
|
|
(insert "Should gnus use gnus-agent-expire-days to assign\n")
|
|
(insert "agent-days-until-old parameters to individual groups? (Y/N)")
|
|
|
|
(switch-to-buffer buffer)
|
|
(beep)
|
|
(beep)
|
|
|
|
(let ((echo-keystrokes 0)
|
|
c)
|
|
(while (progn (setq c (read-char-exclusive))
|
|
(cond ((or (eq c ?y) (eq c ?Y))
|
|
(save-excursion
|
|
(let ((groups (gnus-group-listed-groups)))
|
|
(while groups
|
|
(let* ((group (pop groups))
|
|
(days gnus-agent-expire-days)
|
|
(day (catch 'found
|
|
(while days
|
|
(when (eq 0 (string-match
|
|
(caar days)
|
|
group))
|
|
(throw 'found (cadar days)))
|
|
(setq days (cdr days)))
|
|
nil)))
|
|
(when day
|
|
(gnus-group-set-parameter group 'agent-days-until-old
|
|
day))))))
|
|
nil
|
|
)
|
|
((or (eq c ?n) (eq c ?N))
|
|
nil)
|
|
(t
|
|
t))))))
|
|
(kill-buffer buffer))
|
|
(error "Change gnus-agent-expire-days to an integer for gnus to start"))))
|
|
|
|
;; The gnus-agent-unlist-expire-days has its own conversion prompt.
|
|
;; Therefore, hide the default prompt.
|
|
(gnus-convert-mark-converter-prompt 'gnus-agent-unlist-expire-days t)
|
|
|
|
(defun gnus-agent-unhook-expire-days (converting-to)
|
|
"Remove every lambda from gnus-group-prepare-hook that mention the
|
|
symbol gnus-agent-do-once in their definition. This should NOT be
|
|
necessary as gnus-agent.el no longer adds them. However, it is
|
|
possible that the hook was persistently saved."
|
|
(let ((h t)) ; iterate from bgn of hook
|
|
(while h
|
|
(let ((func (progn (when (eq h t)
|
|
;; init h to list of functions
|
|
(setq h (cond ((listp gnus-group-prepare-hook)
|
|
gnus-group-prepare-hook)
|
|
((boundp 'gnus-group-prepare-hook)
|
|
(list gnus-group-prepare-hook)))))
|
|
(pop h))))
|
|
|
|
(when (cond ((eq (type-of func) 'compiled-function)
|
|
;; Search def. of compiled function for gnus-agent-do-once string
|
|
(let* (definition
|
|
print-level
|
|
print-length
|
|
(standard-output
|
|
(lambda (char)
|
|
(setq definition (cons char definition)))))
|
|
(princ func) ; populates definition with reversed list of characters
|
|
(let* ((i (length definition))
|
|
(s (make-string i 0)))
|
|
(while definition
|
|
(aset s (setq i (1- i)) (pop definition)))
|
|
|
|
(string-match "\\bgnus-agent-do-once\\b" s))))
|
|
((listp func)
|
|
(eq (cadr (nth 2 func)) 'gnus-agent-do-once) ; handles eval'd lambda
|
|
))
|
|
|
|
(remove-hook 'gnus-group-prepare-hook func)
|
|
;; I don't what remove-hook is going to actually do to the
|
|
;; hook list so start over from the beginning.
|
|
(setq h t))))))
|
|
|
|
;; gnus-agent-unhook-expire-days is safe in that it does not modify
|
|
;; the .newsrc.eld file.
|
|
(gnus-convert-mark-converter-prompt 'gnus-agent-unhook-expire-days t)
|
|
|
|
;;; arch-tag: 845c7b8a-88f7-4468-b8d7-94e8fc72cf1a
|