[BUG/PATCH 2/2] emacs: Fix replying from alternate addresses

[Mark Walters]

Adam Wolfe Gordon <awg+notmuch at xvx.ca> writes:
> The bug was that notmuch-mua-mail used `mail-header` to check whether
> it was passed a "From" header. The implementation of `mail-header`
> must try to compare symbols instead of strings when looking for
> headers, as it was returning nil when a From header was present. This
> is probably because the mail functions construct headers as alists
> with symbols for the header names, while our code uses strings for the
> header names.
>
> Since we don't use `mail-header` anywhere else, and `message-mail` is
> perfectly happy to accept string header names, the fix is just to use
> `assoc` to look for the From header, so that the strings get compared
> properly.

I can confirm that everything works as expected with this fix. 

Best wishes

Mark
> ---
>  emacs/notmuch-mua.el |    4 ++--
>  test/emacs           |    1 -
>  2 files changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
> index 6aae3a0..9805d79 100644
> --- a/emacs/notmuch-mua.el
> +++ b/emacs/notmuch-mua.el
> @@ -187,7 +187,7 @@ OTHER-ARGS are passed through to `message-mail'."
>        (when (not (string= "" user-agent))
>  	(push (cons "User-Agent" user-agent) other-headers))))
>  
> -  (unless (mail-header 'From other-headers)
> +  (unless (assoc "From" other-headers)
>      (push (cons "From" (concat
>  			(notmuch-user-name) " <" (notmuch-user-primary-email) ">")) other-headers))
>  
> @@ -250,7 +250,7 @@ the From: address first."
>    (interactive "P")
>    (let ((other-headers
>  	 (when (or prompt-for-sender notmuch-always-prompt-for-sender)
> -	   (list (cons 'From (notmuch-mua-prompt-for-sender))))))
> +	   (list (cons "From" (notmuch-mua-prompt-for-sender))))))
>      (notmuch-mua-mail nil nil other-headers)))
>  
>  (defun notmuch-mua-new-forward-message (&optional prompt-for-sender)
> diff --git a/test/emacs b/test/emacs
> index fa5d706..08db1ee 100755
> --- a/test/emacs
> +++ b/test/emacs
> @@ -275,7 +275,6 @@ EOF
>  test_expect_equal_file OUTPUT EXPECTED
>  
>  test_begin_subtest "Reply from alternate address within emacs"
> -test_subtest_known_broken
>  add_message '[from]="Sender <sender at example.com>"' \
>  	     [to]=test_suite_other at notmuchmail.org \
>  	     [subject]=notmuch-reply-test \
> -- 
> 1.7.5.4
>
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