[PATCH] emacs: Don't override mm-show-part in notmuch-show-view-part
Mark Walters
markwalters1009 at gmail.com
Tue May 21 12:13:09 PDT 2013
On Tue, 21 May 2013, Mark Walters <markwalters1009 at gmail.com> wrote:
> Hi
>
>> 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.
>
> The new code is much simpler (and nicer). However, one small annoyance
> is it makes notmuch-show-save-part and notmuch-show-view-part behave
> differently on parts which can only be saved (eg
> application/octet-stream): view-part (ie mm-save-part) offers the
> current directory (where emacs was started) whereas the notmuch
> save-part explicitly offers mailcap-download-directory or ~/. I have no
> preference which is used but think they should be the same. Perhaps
> notmuch-show-save-part could just call mm-save-part? I have tried that
> and the tests pass. (If we can do that I think the whole part button handling
> stuff could be unified/simplified significantly)
Here is the code I was using to try using mm-save-part rather than our
own version. I don't know why we have our own version: this does pass
the tests and seems to work (though as mentioned above the semantics of
which default path is used are different)
Best wishes
Mark
---
emacs/notmuch-show.el | 13 ++++---------
1 files changed, 4 insertions(+), 9 deletions(-)
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 45039bd..a63b857 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -516,15 +516,10 @@ message at DEPTH in the current thread."
(defun notmuch-show-save-part (message-id nth &optional filename content-type)
(notmuch-with-temp-part-buffer message-id nth
- (let ((file (read-file-name
- "Filename to save as: "
- (or mailcap-download-directory "~/")
- nil nil
- filename)))
- ;; Don't re-compress .gz & al. Arguably we should make
- ;; `file-name-handler-alist' nil, but that would chop
- ;; ange-ftp, which is reasonable to use here.
- (mm-write-region (point-min) (point-max) file nil nil nil 'no-conversion t))))
+ (let* ((disposition (if filename `(attachment (filename . ,filename))))
+ (handle (mm-make-handle (current-buffer) (list content-type)
+ nil nil disposition)))
+ (mm-save-part handle))))
(defun notmuch-show-view-part (message-id nth &optional filename content-type )
(notmuch-with-temp-part-buffer message-id nth
--
1.7.9.1
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