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emacs: Don't override mm-show-part in notmuch-show-view-part

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Previously, notmuch-show-view-part overrode the function binding of
mm-show-part to redirect it to notmuch-show-save-part to get notmuch's
default file name handling in case mm-display-part decided to fall
back to saving the part.  In addition to being messy, this depended on
the now-deprecated dynamic binding behavior of flet.

This patch removes the mm-show-part override in favor of passing the
file name in to mm-show-part the way it expects, so we get its default
file name handling.  It's not clear why we didn't do this before;
mm-show-part has supported default file names since at least Emacs
23.1.
This commit is contained in:
Austin Clements 2013-05-26 02:34:46 -04:00 committed by David Bremner
parent c3c4da7ba8
commit d4940d4716
1 changed files with 9 additions and 14 deletions
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23
emacs/notmuch-show.el
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@ -528,20 +528,15 @@ message at DEPTH in the current thread."
(defun notmuch-show-view-part (message-id nth &optional filename content-type )
(notmuch-with-temp-part-buffer message-id nth
;; set mm-inlined-types to nil to force an external viewer
(let ((handle (mm-make-handle (current-buffer) (list content-type)))
(mm-inlined-types nil))
;; We override mm-save-part as notmuch-show-save-part is better
;; since it offers the filename. We need to lexically bind
;; everything we need for notmuch-show-save-part to prevent
;; potential dynamic shadowing.
(lexical-let ((message-id message-id)
(nth nth)
(filename filename)
(content-type content-type))
(flet ((mm-save-part (&rest args) (notmuch-show-save-part
message-id nth filename content-type)))
(mm-display-part handle))))))
(let* ((disposition (if filename `(attachment (filename . ,filename))))
(handle (mm-make-handle (current-buffer) (list content-type)
nil nil disposition))
;; Set the default save directory to be consistent with
;; `notmuch-show-save-part'.
(mm-default-directory (or mailcap-download-directory "~/"))
;; set mm-inlined-types to nil to force an external viewer
(mm-inlined-types nil))
(mm-display-part handle))))
(defun notmuch-show-interactively-view-part (message-id nth &optional filename content-type)
(notmuch-with-temp-part-buffer message-id nth