+(defun notmuch-show-stash-git-helper (addresses prefix)
+ "Escape, trim, quote, and add PREFIX to each address in list of ADDRESSES, and return the result as a single string."
+ (mapconcat (lambda (x)
+ (concat prefix "\""
+ ;; escape double-quotes
+ (replace-regexp-in-string
+ "\"" "\\\\\""
+ ;; trim leading and trailing spaces
+ (replace-regexp-in-string
+ "\\(^ *\\| *$\\)" ""
+ x)) "\""))
+ addresses " "))
+
+(put 'notmuch-show-stash-git-send-email 'notmuch-prefix-doc
+ "Copy From/To/Cc of current message to kill-ring in a form suitable for pasting to git send-email command line.")
+
+(defun notmuch-show-stash-git-send-email (&optional no-in-reply-to)
+ "Copy From/To/Cc/Message-Id of current message to kill-ring in a form suitable for pasting to git send-email command line.
+
+If invoked with a prefix argument (or NO-IN-REPLY-TO is non-nil),
+omit --in-reply-to=<Message-Id>."
+ (interactive "P")
+ (notmuch-common-do-stash
+ (mapconcat 'identity
+ (remove ""
+ (list
+ (notmuch-show-stash-git-helper
+ (message-tokenize-header (notmuch-show-get-from)) "--to=")
+ (notmuch-show-stash-git-helper
+ (message-tokenize-header (notmuch-show-get-to)) "--to=")
+ (notmuch-show-stash-git-helper
+ (message-tokenize-header (notmuch-show-get-cc)) "--cc=")
+ (unless no-in-reply-to
+ (notmuch-show-stash-git-helper
+ (list (notmuch-show-get-message-id t)) "--in-reply-to="))))
+ " ")))
+
+;; Interactive part functions and their helpers
+
+(defun notmuch-show-generate-part-buffer (message-id nth)
+ "Return a temporary buffer containing the specified part's content."
+ (let ((buf (generate-new-buffer " *notmuch-part*"))
+ (process-crypto notmuch-show-process-crypto))
+ (with-current-buffer buf
+ (setq notmuch-show-process-crypto process-crypto)
+ ;; Always acquires the part via `notmuch part', even if it is
+ ;; available in the SEXP output.
+ (insert (notmuch-get-bodypart-internal message-id nth notmuch-show-process-crypto)))
+ buf))
+
+(defun notmuch-show-current-part-handle ()
+ "Return an mm-handle for the part containing point.
+
+This creates a temporary buffer for the part's content; the
+caller is responsible for killing this buffer as appropriate."
+ (let* ((part (notmuch-show-get-part-properties))
+ (message-id (notmuch-show-get-message-id))
+ (nth (plist-get part :id))
+ (buf (notmuch-show-generate-part-buffer message-id nth))
+ (computed-type (plist-get part :computed-type))
+ (filename (plist-get part :filename))
+ (disposition (if filename `(attachment (filename . ,filename)))))
+ (mm-make-handle buf (list computed-type) nil nil disposition)))
+
+(defun notmuch-show-apply-to-current-part-handle (fn)
+ "Apply FN to an mm-handle for the part containing point.
+
+This ensures that the temporary buffer created for the mm-handle
+is destroyed when FN returns."
+ (let ((handle (notmuch-show-current-part-handle)))
+ ;; emacs 24.3+ puts stdout/stderr into the calling buffer so we
+ ;; call it from a temp-buffer, unless
+ ;; notmuch-show-attachment-debug is non-nil in which case we put
+ ;; it in " *notmuch-part*".
+ (unwind-protect
+ (if notmuch-show-attachment-debug
+ (with-current-buffer (generate-new-buffer " *notmuch-part*")
+ (funcall fn handle))
+ (with-temp-buffer
+ (funcall fn handle)))
+ (kill-buffer (mm-handle-buffer handle)))))