X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=emacs%2Fnotmuch-maildir-fcc.el;h=ae56bacd50b549b395bf6c39460728b294fa6bf3;hp=d9a8f9b6c258d2ca3db3c37a85a31fb9bf8d988c;hb=HEAD;hpb=8fe3ee6f270efae66e7e0287e32f93a9b48c7a32 diff --git a/emacs/notmuch-maildir-fcc.el b/emacs/notmuch-maildir-fcc.el index d9a8f9b6..51020788 100644 --- a/emacs/notmuch-maildir-fcc.el +++ b/emacs/notmuch-maildir-fcc.el @@ -1,110 +1,278 @@ -;; This file is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published -;; by the Free Software Foundation; either version 2, or (at your -;; option) any later version. - -;; This program is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. +;;; notmuch-maildir-fcc.el --- inserting using a fcc handler -*- lexical-binding: t -*- +;; Copyright © Jesse Rosenthal +;; +;; This file is part of Notmuch. +;; +;; Notmuch is free software: you can redistribute it and/or modify it +;; under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. +;; +;; Notmuch is distributed in the hope that it will be useful, but +;; WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;; General Public License for more details. +;; ;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, -;; Boston, MA 02110-1301, USA. +;; along with Notmuch. If not, see . ;; -;; To use this as the fcc handler for message-mode, -;; customize the notmuch-fcc-dirs variable +;; Authors: Jesse Rosenthal + +;;; Code: + +(require 'seq) (require 'message) +(require 'notmuch-lib) + (defvar notmuch-maildir-fcc-count 0) -(defcustom notmuch-fcc-dirs nil - "If set to non-nil, this will cause message mode to file (fcc) your mail in the specified directory, depending on your From address. - - The first entry (a list) is used as a default fallback - when nothing matches. So in the easiest case notmuch-fcc-dirs is - just something like ((\"INBOX.Sent\")) - - If you need a more fancy setup, where you want different Outboxes depending - on your From address, you use something like this: - - ( (\"defaultinbox\") - (\"Sebastian Spaeth \" . \"privat\") - (\"Sebastian Spaeth \" . \"uni\") - ) - - This will constructs a path, concatenating the content of the - variable 'message-directory' (a message mode variable - customizable via m-x - customize-variablemessage-directory) and the second - part in the alist." - :require 'notmuch-fcc-initialization - :group 'notmuch -) - -(defun notmuch-fcc-initialization () - "If notmuch-fcc-directories is set, - hook them into the message-fcc-handler-function" - ;Set up the message-fcc-handler to move mails to the maildir in Fcc - ;The parameter is hardcoded to mark messages as "seen" - (setq message-fcc-handler-function - '(lambda (destdir) - (notmuch-maildir-fcc-write-buffer-to-maildir destdir t))) - ;add a hook to actually insert the Fcc header when sending - ;(preferrably we would use message-header-setup-up, but notmuch-reply - ; munges headers after that is run, so it won't work for replies within - ; notmuch) - (add-hook 'message-send-hook 'notmuch-fcc-header-setup)) +;;; Options + +(defcustom notmuch-fcc-dirs "sent" + "Determines the Fcc Header which says where to save outgoing mail. + +Three types of values are permitted: + +- nil: no Fcc header is added, + +- a string: the value of `notmuch-fcc-dirs' is the Fcc header to + be used. + +- an alist: the folder is chosen based on the From address of + the current message according to an alist mapping regular + expressions to folders or nil: + + ((\"Sebastian@SSpaeth.de\" . \"privat\") + (\"spaetz@sspaeth.de\" . \"OUTBOX.OSS\") + (\".*\" . \"defaultinbox\")) + + If none of the regular expressions match the From address, or + if the cdr of the matching entry is nil, then no Fcc header + will be added. + +If `notmuch-maildir-use-notmuch-insert' is set (the default) then +the header should be of the form \"folder +tag1 -tag2\" where +folder is the folder (relative to the notmuch mailstore) to store +the message in, and tag1 and tag2 are tag changes to apply to the +stored message. This string is split using `split-string-and-unquote', +so a folder name containing spaces can be specified by +quoting each space with an immediately preceding backslash +or surrounding the entire folder name in double quotes. + +If `notmuch-maildir-use-notmuch-insert' is nil then the Fcc +header should be the directory where the message should be +saved. A relative directory will be understood to specify a +directory within the notmuch mail store, (as set by the +database.path option in the notmuch configuration file). + +In all cases you will be prompted to create the folder or +directory if it does not exist yet when sending a mail." + + :type '(choice + (const :tag "No FCC header" nil) + (string :tag "A single folder") + (repeat :tag "A folder based on the From header" + (cons regexp (choice (const :tag "No FCC header" nil) + (string :tag "Folder"))))) + :require 'notmuch-fcc-initialization + :group 'notmuch-send) + +(defcustom notmuch-maildir-use-notmuch-insert t + "Should fcc use notmuch insert instead of simple fcc." + :type '(choice :tag "Fcc Method" + (const :tag "Use notmuch insert" t) + (const :tag "Use simple fcc" nil)) + :group 'notmuch-send) + +;;; Functions which set up the fcc header in the message buffer. (defun notmuch-fcc-header-setup () - "Can be added to message-send-hook and will set the FCC header - based on the values of notmuch-fcc-directories (see the - variable customization there for examples). It uses the - first entry as default fallback if no From address - matches." - ; only do something if notmuch-fcc-dirs is set - (if notmuch-fcc-dirs - (let ((subdir - (cdr (assoc-string (message-fetch-field "from") notmuch-fcc-dirs t)))) - (if (eq subdir nil) (setq subdir (car (car notmuch-fcc-dirs)))) - (unless (message-fetch-field "fcc") - (message-add-header (concat "Fcc: " - (file-name-as-directory message-directory) - subdir))) - (let ((fcc-header (message-fetch-field "fcc"))) - (unless (notmuch-maildir-fcc-dir-is-maildir-p fcc-header) - (cond ((not (file-writable-p fcc-header)) - (error (format "%s is not a maildir, but you don't have permission to create one." fcc-header))) - ((y-or-n-p (format "%s is not a maildir. Create it? " - fcc-header)) - (notmuch-maildir-fcc-create-maildir fcc-header)) - (t - (error "Not sending message.")))))))) + "Add an Fcc header to the current message buffer. + +If the Fcc header is already set, then keep it as-is. +Otherwise set it according to `notmuch-fcc-dirs'." + (let ((subdir + (cond + ((or (not notmuch-fcc-dirs) + (message-field-value "Fcc")) + ;; Nothing set or an existing header. + nil) + ((stringp notmuch-fcc-dirs) + notmuch-fcc-dirs) + ((and (listp notmuch-fcc-dirs) + (stringp (car notmuch-fcc-dirs))) + ;; Old style - no longer works. + (error "Invalid `notmuch-fcc-dirs' setting (old style)")) + ((listp notmuch-fcc-dirs) + (if-let ((match (seq-some (let ((from (message-field-value "From"))) + (pcase-lambda (`(,regexp . ,folder)) + (and (string-match-p regexp from) + (cons t folder)))) + notmuch-fcc-dirs))) + (cdr match) + (message "No Fcc header added.") + nil)) + (t + (error "Invalid `notmuch-fcc-dirs' setting (neither string nor list)"))))) + (when subdir + (if notmuch-maildir-use-notmuch-insert + (notmuch-maildir-add-notmuch-insert-style-fcc-header subdir) + (notmuch-maildir-add-file-style-fcc-header subdir))))) + +(defun notmuch-maildir-add-notmuch-insert-style-fcc-header (subdir) + ;; Notmuch insert does not accept absolute paths, so check the user + ;; really want this header inserted. + (when (or (not (= (elt subdir 0) ?/)) + (y-or-n-p (format "Fcc header %s is an absolute path %s %s" subdir + "and notmuch insert is requested." + "Insert header anyway? "))) + (message-add-header (concat "Fcc: " subdir)))) + +(defun notmuch-maildir-add-file-style-fcc-header (subdir) + (message-add-header + (concat "Fcc: " + (file-truename + ;; If the resulting directory is not an absolute path, + ;; prepend the standard notmuch database path. + (if (= (elt subdir 0) ?/) + subdir + (concat (notmuch-database-path) "/" subdir)))))) + +;;; Functions for saving a message using either method. + +(defmacro with-temporary-notmuch-message-buffer (&rest body) + "Set-up a temporary copy of the current message-mode buffer." + `(let ((case-fold-search t) + (buf (current-buffer)) + (mml-externalize-attachments message-fcc-externalize-attachments)) + (with-current-buffer (get-buffer-create " *message temp*") + (message-clone-locals buf) ;; for message-encoded-mail-cache + (erase-buffer) + (insert-buffer-substring buf) + ,@body))) + +(defun notmuch-maildir-setup-message-for-saving () + "Setup message for saving. + +This should be called on a temporary copy. +This is taken from the function message-do-fcc." + (if (not message-encoded-mail-cache) + (message-encode-message-body) + (erase-buffer) + (insert message-encoded-mail-cache)) + (save-restriction + (message-narrow-to-headers) + (mail-encode-encoded-word-buffer)) + (goto-char (point-min)) + (when (re-search-forward + (concat "^" (regexp-quote mail-header-separator) "$") + nil t) + (replace-match "" t t ))) + +(defun notmuch-maildir-message-do-fcc () + "Process Fcc headers in the current buffer. + +This is a rearranged version of message mode's message-do-fcc." + (let (files file) + (save-excursion + (save-restriction + (message-narrow-to-headers) + (setq file (message-fetch-field "fcc" t))) + (when file + (with-temporary-notmuch-message-buffer + (notmuch-maildir-setup-message-for-saving) + (save-restriction + (message-narrow-to-headers) + (while (setq file (message-fetch-field "fcc" t)) + (push file files) + (message-remove-header "fcc" nil t))) + ;; Process FCC operations. + (mapc #'notmuch-fcc-handler files) + (kill-buffer (current-buffer))))))) + +(defun notmuch-fcc-handler (fcc-header) + "Store message with notmuch insert or normal (file) fcc. + +If `notmuch-maildir-use-notmuch-insert' is set then store the +message using notmuch insert. Otherwise store the message using +normal fcc." + (message "Doing Fcc...") + (if notmuch-maildir-use-notmuch-insert + (notmuch-maildir-fcc-with-notmuch-insert fcc-header) + (notmuch-maildir-fcc-file-fcc fcc-header)) + (message "Doing Fcc...done")) + +;;; Functions for saving a message using notmuch insert. + +(defun notmuch-maildir-notmuch-insert-current-buffer (folder &optional create tags) + "Use notmuch insert to put the current buffer in the database. + +This inserts the current buffer as a message into the notmuch +database in folder FOLDER. If CREATE is non-nil it will supply +the --create-folder flag to create the folder if necessary. TAGS +should be a list of tag changes to apply to the inserted message." + (apply 'notmuch-call-notmuch-process + :stdin-string (buffer-string) "insert" + (append (and create (list "--create-folder")) + (list (concat "--folder=" folder)) + tags))) + +(defun notmuch-maildir-fcc-with-notmuch-insert (fcc-header &optional create) + "Store message with notmuch insert. + +The fcc-header should be of the form \"folder +tag1 -tag2\" where +folder is the folder (relative to the notmuch mailstore) to store +the message in, and tag1 and tag2 are tag changes to apply to the +stored message. This string is split using `split-string-and-unquote', +so a folder name containing spaces can be specified by +quoting each space with an immediately preceding backslash +or surrounding the entire folder name in double quotes. + +If CREATE is non-nil then create the folder if necessary." + (pcase-let ((`(,folder . ,tags) + (split-string-and-unquote fcc-header))) + (condition-case nil + (notmuch-maildir-notmuch-insert-current-buffer folder create tags) + ;; Since there are many reasons notmuch insert could fail, e.g., + ;; locked database, non-existent folder (which could be due to a + ;; typo, or just the user want a new folder, let the user decide + ;; how to deal with it. + (error + (let ((response (read-char-choice "Insert failed: \ +\(r)etry, (c)reate folder, (i)gnore, or (e)dit the header? " '(?r ?c ?i ?e)))) + (cl-case response + (?r (notmuch-maildir-fcc-with-notmuch-insert fcc-header)) + (?c (notmuch-maildir-fcc-with-notmuch-insert fcc-header t)) + (?i t) + (?e (notmuch-maildir-fcc-with-notmuch-insert + (read-from-minibuffer "Fcc header: " fcc-header))))))))) + +;;; Functions for saving a message using file fcc. (defun notmuch-maildir-fcc-host-fixer (hostname) (replace-regexp-in-string "/\\|:" - '(lambda (s) - (cond ((string-equal s "/") "\\057") - ((string-equal s ":") "\\072") - (t s))) + (lambda (s) + (cond ((string-equal s "/") "\\057") + ((string-equal s ":") "\\072") + (t s))) hostname t t)) (defun notmuch-maildir-fcc-make-uniq-maildir-id () - (let* ((ct (current-time)) - (timeid (+ (* (car ct) 65536) (cadr ct))) - (microseconds (car (cdr (cdr ct)))) - (hostname (notmuch-maildir-fcc-host-fixer system-name))) - (setq notmuch-maildir-fcc-count (+ notmuch-maildir-fcc-count 1)) - (format "%d.%d_%d_%d.%s" - timeid - (emacs-pid) - microseconds - notmuch-maildir-fcc-count - hostname))) + (let* ((ftime (float-time)) + (microseconds (mod (* 1000000 ftime) 1000000)) + (hostname (notmuch-maildir-fcc-host-fixer (system-name)))) + (cl-incf notmuch-maildir-fcc-count) + (format "%d.%d_%d_%d.%s" + ftime + (emacs-pid) + microseconds + notmuch-maildir-fcc-count + hostname))) (defun notmuch-maildir-fcc-dir-is-maildir-p (dir) (and (file-exists-p (concat dir "/cur/")) @@ -117,7 +285,7 @@ (make-directory (concat path "/new/") t) (make-directory (concat path "/tmp/") t)) ((file-regular-p path) - (error "%s is a file. Can't creat maildir." path)) + (error "%s is a file. Can't create maildir." path)) (t (error "I don't know how to create a maildir here")))) @@ -131,9 +299,7 @@ if successful, nil if not." (write-file (concat destdir "/tmp/" msg-id)) msg-id) (t - (error (format "Can't write to %s. Not a maildir." - destdir)) - nil)))) + (error "Can't write to %s. Not a maildir." destdir))))) (defun notmuch-maildir-fcc-move-tmp-to-new (destdir msg-id) (add-name-to-file @@ -143,30 +309,54 @@ if successful, nil if not." (defun notmuch-maildir-fcc-move-tmp-to-cur (destdir msg-id &optional mark-seen) (add-name-to-file (concat destdir "/tmp/" msg-id) - (concat destdir "/cur/" msg-id ":2," (when mark-seen "S")))) + (concat destdir "/cur/" msg-id ":2," (and mark-seen "S")))) + +(defun notmuch-maildir-fcc-file-fcc (fcc-header) + "Write the message to the file specified by FCC-HEADER. + +If that fails, then offer the user a chance to correct the header +or filesystem." + (if (notmuch-maildir-fcc-dir-is-maildir-p fcc-header) + (notmuch-maildir-fcc-write-buffer-to-maildir fcc-header t) + ;; The fcc-header is not a valid maildir see if the user wants to + ;; fix it in some way. + (let* ((prompt (format "Fcc %s is not a maildir: \ +\(r)etry, (c)reate folder, (i)gnore, or (e)dit the header? " fcc-header)) + (response (read-char-choice prompt '(?r ?c ?i ?e)))) + (cl-case response + (?r (notmuch-maildir-fcc-file-fcc fcc-header)) + (?c (if (file-writable-p fcc-header) + (notmuch-maildir-fcc-create-maildir fcc-header) + (message "No permission to create %s." fcc-header) + (sit-for 2)) + (notmuch-maildir-fcc-file-fcc fcc-header)) + (?i t) + (?e (notmuch-maildir-fcc-file-fcc + (read-from-minibuffer "Fcc header: " fcc-header))))))) (defun notmuch-maildir-fcc-write-buffer-to-maildir (destdir &optional mark-seen) - "Writes the current buffer to maildir destdir. If mark-seen is -non-nil, it will write it to cur/, and mark it as read. It should -return t if successful, and nil otherwise." + "Write the current buffer to maildir destdir. + +If mark-seen is non-nil, then write it to \"cur/\", and mark it +as read, otherwise write it to \"new/\". Return t if successful, +and nil otherwise." (let ((orig-buffer (buffer-name))) (with-temp-buffer (insert-buffer-substring orig-buffer) (catch 'link-error (let ((msg-id (notmuch-maildir-fcc-save-buffer-to-tmp destdir))) (when msg-id - (cond (mark-seen - (condition-case err - (notmuch-maildir-fcc-move-tmp-to-cur destdir msg-id t) - (file-already-exists - (throw 'link-error nil)))) - (t - (condition-case err - (notmuch-maildir-fcc-move-tmp-to-new destdir msg-id) - (file-already-exists - (throw 'link-error nil)))))) + (condition-case nil + (if mark-seen + (notmuch-maildir-fcc-move-tmp-to-cur destdir msg-id t) + (notmuch-maildir-fcc-move-tmp-to-new destdir msg-id)) + (file-already-exists + (throw 'link-error nil)))) (delete-file (concat destdir "/tmp/" msg-id)))) t))) -(notmuch-fcc-initialization) +;;; _ + (provide 'notmuch-maildir-fcc) + +;;; notmuch-maildir-fcc.el ends here