[PATCH v2 2/4] emacs: Use a buffer-local variable to update tags when sending replies

Örjan Ekeberg ekeberg at kth.se
Thu Apr 4 16:01:24 PDT 2019


Instead of relying on the "In-Reply-To" header, use a buffer-local variable,
notmuch-message-queued-tag-changes, to add and remove tags to affected
messages when the message-send-hook is triggered.
---
 emacs/notmuch-message.el | 24 ++++++++++++++++--------
 emacs/notmuch-mua.el     |  5 +++++
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/emacs/notmuch-message.el b/emacs/notmuch-message.el
index 55e4cfee..e7615998 100644
--- a/emacs/notmuch-message.el
+++ b/emacs/notmuch-message.el
@@ -34,18 +34,26 @@ will be removed from the message being replied to.
 
 For example, if you wanted to add a \"replied\" tag and remove
 the \"inbox\" and \"todo\" tags, you would set:
-    (\"+replied\" \"-inbox\" \"-todo\"\)"
+    (\"+replied\" \"-inbox\" \"-todo\")"
   :type '(repeat string)
   :group 'notmuch-send)
 
-(defun notmuch-message-mark-replied ()
-  ;; get the in-reply-to header and parse it for the message id.
-  (let ((rep (mail-header-parse-addresses (message-field-value "In-Reply-To"))))
-    (when (and notmuch-message-replied-tags rep)
-      (notmuch-tag (notmuch-id-to-query (car (car rep)))
-	       (notmuch-tag-change-list notmuch-message-replied-tags)))))
+(defconst notmuch-message-queued-tag-changes nil
+  "List of messages and corresponding tag-changes to be applied when sending a message.
 
-(add-hook 'message-send-hook 'notmuch-message-mark-replied)
+This variable is overridden by buffer-local versions in message
+buffers where tag changes should be triggered when sending off
+the message.  Each item in this list is a list of strings, where
+the first is a notmuch query and the rest are the tag changes to
+be applied to the matching messages.")
+
+(defun notmuch-message-apply-queued-tag-changes ()
+  ;; Apply the tag changes queued in the buffer-local variable notmuch-message-queued-tag-changes.
+  (dolist (query-and-tags notmuch-message-queued-tag-changes)
+    (notmuch-tag (car query-and-tags)
+		 (cdr query-and-tags))))
+
+(add-hook 'message-send-hook 'notmuch-message-apply-queued-tag-changes)
 
 (provide 'notmuch-message)
 
diff --git a/emacs/notmuch-mua.el b/emacs/notmuch-mua.el
index 23f3d8b1..0af9c71b 100644
--- a/emacs/notmuch-mua.el
+++ b/emacs/notmuch-mua.el
@@ -259,6 +259,11 @@ Typically this is added to `notmuch-mua-send-hook'."
 			    (notmuch-headers-plist-to-alist reply-headers)
 			    nil (notmuch-mua-get-switch-function))))
 
+      ;; Create a buffer-local queue for tag changes triggered when sending the reply
+      (when notmuch-message-replied-tags
+	(setq-local notmuch-message-queued-tag-changes
+		    (list (cons query-string notmuch-message-replied-tags))))
+
       ;; Insert the message body - but put it in front of the signature
       ;; if one is present, and after any other content
       ;; message*setup-hooks may have added to the message body already.
-- 
2.20.1



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