(require 'sendmail)
(require 'message)
(require 'gnus)
(require 'gnus-msg)
(eval-when-compile
(require 'cl)
(autoload 'vm-mode "vm")
(autoload 'vm-save-message "vm")
(autoload 'vm-forward-message "vm")
(autoload 'vm-reply "vm")
(autoload 'vm-mail "vm"))
(defvar gnus-vm-inhibit-window-system nil
"Inhibit loading `win-vm' if using a window-system.
Has to be set before gnus-vm is loaded.")
(unless gnus-vm-inhibit-window-system
(ignore-errors
(when window-system
(require 'win-vm))))
(when (not (featurep 'vm))
(load "vm"))
(defun gnus-vm-make-folder (&optional buffer)
(let ((article (or buffer (current-buffer)))
(tmp-folder (generate-new-buffer " *tmp-folder*"))
(start (point-min))
(end (point-max)))
(set-buffer tmp-folder)
(insert-buffer-substring article start end)
(goto-char (point-min))
(if (looking-at "^\\(From [^ ]+ \\).*$")
(replace-match (concat "\\1" (current-time-string)))
(insert "From " gnus-newsgroup-name " "
(current-time-string) "\n"))
(while (re-search-forward "\n\nFrom " nil t)
(replace-match "\n\n>From "))
(goto-char (point-max))
(insert "\n")
(vm-mode)
tmp-folder))
(defun gnus-summary-save-article-vm (&optional arg)
"Append the current article to a vm folder.
If N is a positive number, save the N next articles.
If N is a negative number, save the N previous articles.
If N is nil and any articles have been marked with the process mark,
save those articles instead."
(interactive "P")
(require 'gnus-art)
(let ((gnus-default-article-saver 'gnus-summary-save-in-vm))
(gnus-summary-save-article arg)))
(defun gnus-summary-save-in-vm (&optional folder)
(interactive)
(setq folder
(gnus-read-save-file-name
"Save %s in VM folder:" folder
gnus-mail-save-name gnus-newsgroup-name
gnus-current-headers 'gnus-newsgroup-last-mail))
(gnus-eval-in-buffer-window gnus-original-article-buffer
(save-excursion
(save-restriction
(widen)
(let ((vm-folder (gnus-vm-make-folder)))
(vm-save-message folder)
(kill-buffer vm-folder))))))
(provide 'gnus-vm)