"The mail-fetching library."
:group 'gnus)
+(defcustom mail-sources nil
+ "*Where the mail backends will look for incoming mail.
+This variable is a list of mail source specifiers."
+ :group 'mail-source
+ :type 'sexp)
+
(defcustom mail-source-crash-box "~/.emacs-mail-crash-box"
"File where mail will be stored while processing it."
:group 'mail-source
(eval-and-compile
(defvar mail-source-keyword-map
'((file
+ (:prescript)
+ (:prescript-delay)
+ (:postscript)
(:path (or (getenv "MAIL")
(concat "/usr/spool/mail/" (user-login-name)))))
(directory
(:predicate identity))
(pop
(:prescript)
+ (:prescript-delay)
(:postscript)
(:server (getenv "MAILHOST"))
- (:port "pop")
+ (:port 110)
(:user (or (user-login-name) (getenv "LOGNAME") (getenv "USER")))
(:program)
(:function)
(defmacro mail-source-bind (type-source &rest body)
"Return a `let' form that binds all variables in source TYPE.
+TYPE-SOURCE is a list where the first element is the TYPE, and
+the second variable is the SOURCE.
At run time, the mail source specifier SOURCE will be inspected,
and the variables will be set according to it. Variables not
specified will be given default values.
After this is done, BODY will be executed in the scope
-of the `let' form."
+of the `let' form.
+
+The variables bound and their default values are described by
+the `mail-source-keyword-map' variable."
`(let ,(mail-source-bind-1 (car type-source))
(mail-source-set-1 ,(cadr type-source))
,@body))
(when (file-exists-p mail-source-crash-box)
(message "Processing mail from %s..." mail-source-crash-box)
(setq found (mail-source-callback
- callback mail-source-crash-box)))
- (+ found (funcall function source callback)))))
+ callback mail-source-crash-box)))
+ (+ found
+ (condition-case err
+ (funcall function source callback)
+ (error
+ (unless (yes-or-no-p
+ (format "Mail source error (%s). Continue? " err))
+ (error "Cannot get new mail."))
+ 0))))))
(defun mail-source-make-complex-temp-name (prefix)
(let ((newname (make-temp-name prefix))
(when (file-exists-p mail-source-crash-box)
(delete-file mail-source-crash-box))
0)
- (funcall callback mail-source-crash-box info)
- (when (file-exists-p mail-source-crash-box)
- ;; Delete or move the incoming mail out of the way.
- (if mail-source-delete-incoming
- (delete-file mail-source-crash-box)
- (let ((incoming
- (mail-source-make-complex-temp-name
- (expand-file-name
- "Incoming" mail-source-directory))))
- (unless (file-exists-p (file-name-directory incoming))
- (make-directory (file-name-directory incoming) t))
- (rename-file mail-source-crash-box incoming t))))
- 1))
+ (prog1
+ (funcall callback mail-source-crash-box info)
+ (when (file-exists-p mail-source-crash-box)
+ ;; Delete or move the incoming mail out of the way.
+ (if mail-source-delete-incoming
+ (delete-file mail-source-crash-box)
+ (let ((incoming
+ (mail-source-make-complex-temp-name
+ (expand-file-name
+ "Incoming" mail-source-directory))))
+ (unless (file-exists-p (file-name-directory incoming))
+ (make-directory (file-name-directory incoming) t))
+ (rename-file mail-source-crash-box incoming t)))))))
(defun mail-source-movemail (from to)
"Move FROM to TO using movemail."
(zerop (call-process shell-file-name nil nil nil
shell-command-switch program)))
+(defun mail-source-run-script (script spec &optional delay)
+ (when script
+ (if (and (symbolp script) (fboundp script))
+ (funcall script)
+ (mail-source-call-script
+ (format-spec script spec))))
+ (when delay
+ (sleep-for delay)))
+
+(defun mail-source-call-script (script)
+ (let ((background nil))
+ (when (string-match "& *$" script)
+ (setq script (substring script 0 (match-beginning 0))
+ background 0))
+ (call-process shell-file-name nil background nil
+ shell-command-switch script)))
+
;;;
;;; Different fetchers
;;;
(defun mail-source-fetch-file (source callback)
"Fetcher for single-file sources."
(mail-source-bind (file source)
+ (mail-source-run-script
+ prescript (format-spec-make ?t mail-source-crash-box)
+ prescript-delay)
(let ((mail-source-string (format "file:%s" path)))
(if (mail-source-movemail path mail-source-crash-box)
- (mail-source-callback callback path)
+ (prog1
+ (mail-source-callback callback path)
+ (mail-source-run-script
+ postscript (format-spec-make ?t mail-source-crash-box)))
0))))
(defun mail-source-fetch-directory (source callback)
(defun mail-source-fetch-pop (source callback)
"Fetcher for single-file sources."
(mail-source-bind (pop source)
- (when prescript
- (if (fboundp prescript)
- (funcall prescript)
- (call-process shell-file-name nil nil nil
- shell-command-switch
- (format-spec
- prescript
- (format-spec-make ?p password ?t mail-source-crash-box
- ?s server ?P port ?u user)))))
+ (mail-source-run-script
+ prescript
+ (format-spec-make ?p password ?t mail-source-crash-box
+ ?s server ?P port ?u user)
+ prescript-delay)
(let ((from (format "%s:%s:%s" server user port))
(mail-source-string (format "pop:%s@%s" user server))
result)
- (when (and (not (eq authentication 'apop))
- (not program))
+ (when (eq authentication 'password)
(setq password
(or password
(cdr (assoc from mail-source-password-cache))
(mail-source-read-passwd
- (format "Password for %s at %s: " user server))))
- (unless (assoc from mail-source-password-cache)
- (push (cons from password) mail-source-password-cache)))
+ (format "Password for %s at %s: " user server)))))
(when server
(setenv "MAILHOST" server))
(setq result
(save-excursion (pop3-movemail mail-source-crash-box))))))
(if result
(progn
- (mail-source-callback callback server)
- (when prescript
- (if (fboundp prescript)
- (funcall prescript)
- (call-process shell-file-name nil nil nil
- shell-command-switch
- (format-spec
- postscript
- (format-spec-make
- ?p password ?t mail-source-crash-box
- ?s server ?P port ?u user))))))
+ (when (eq authentication 'password)
+ (unless (assoc from mail-source-password-cache)
+ (push (cons from password) mail-source-password-cache)))
+ (prog1
+ (mail-source-callback callback server)
+ (mail-source-run-script
+ postscript
+ (format-spec-make ?p password ?t mail-source-crash-box
+ ?s server ?P port ?u user))))
;; We nix out the password in case the error
;; was because of a wrong password being given.
(setq mail-source-password-cache
projects / elisp / gnus.git- / blobdiff