[PATCH v2] emacs: add stash support for git send-email command line

[David Edmondson]

On Thu, Jan 01 2015, Jani Nikula wrote:
> Stash From/To/Cc as --to/--to/--cc, respectively, and Message-Id as
> --in-reply-to, suitable for pasting to git send-email command line.
> ---
>  emacs/notmuch-show.el | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
>
> diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
> index b8cfbb8a3286..887d877672fc 100644
> --- a/emacs/notmuch-show.el
> +++ b/emacs/notmuch-show.el
> @@ -1280,6 +1280,7 @@ reset based on the original query."
>      (define-key map "t" 'notmuch-show-stash-to)
>      (define-key map "l" 'notmuch-show-stash-mlarchive-link)
>      (define-key map "L" 'notmuch-show-stash-mlarchive-link-and-go)
> +    (define-key map "G" 'notmuch-show-stash-git-send-email)
>      (define-key map "?" 'notmuch-subkeymap-help)
>      map)
>    "Submap for stash commands")
> @@ -2131,6 +2132,43 @@ the user (see `notmuch-show-stash-mlarchive-link-alist')."
>    (notmuch-show-stash-mlarchive-link mla)
>    (browse-url (current-kill 0 t)))
>  
> +(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>."

Missing ")" after "non-nil".

> +  (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="))))

This will still generate a trailing space if `no-in-reply-to' is set,
but I think that we can live with it.

> +	      " ")))
> +
>  ;; Interactive part functions and their helpers
>  
>  (defun notmuch-show-generate-part-buffer (message-id nth)
> -- 
> 2.1.4