From 83a2ed3c2f301bf63a37cc091431db20321704e1 Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Thu, 19 Nov 2009 00:21:24 +0100
Subject: [PATCH] notmuch.el: Add a reply binding ('r') to search mode to reply
 to a whole thread.

This is basically right, (I get a message buffer with all the mails
quoted), but somehow notmuch reply is reversing the messages. That's a
nuisance.
---
 notmuch.el | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/notmuch.el b/notmuch.el
index 296f5d66..706e9f32 100644
--- a/notmuch.el
+++ b/notmuch.el
@@ -249,18 +249,21 @@ buffer."
       (mm-display-parts (mm-dissect-buffer))
       (kill-this-buffer))))
 
+(defun notmuch-reply (query-string)
+  (switch-to-buffer (generate-new-buffer "notmuch-draft"))
+  (call-process "notmuch" nil t nil "reply" query-string)
+  (goto-char (point-min))
+  (if (re-search-forward "^$" nil t)
+      (progn
+	(insert "--text follows this line--")
+	(forward-line)))
+  (message-mode))
+
 (defun notmuch-show-reply ()
   "Begin composing a reply to the current message in a new buffer."
   (interactive)
   (let ((message-id (notmuch-show-get-message-id)))
-    (switch-to-buffer (generate-new-buffer "notmuch-draft"))
-    (call-process "notmuch" nil t nil "reply" message-id)
-    (goto-char (point-min))
-    (if (re-search-forward "^$" nil t)
-	(progn
-	  (insert "--text follows this line--")
-	  (forward-line)))
-    (message-mode)))
+    (notmuch-reply message-id)))
 
 (defun notmuch-show-pipe-message (command)
   "Pipe the contents of the current message to the given command.
@@ -708,6 +711,7 @@ thread from that buffer can be show when done with this one)."
     (define-key map "o" 'notmuch-search-toggle-order)
     (define-key map "p" 'previous-line)
     (define-key map "q" 'kill-this-buffer)
+    (define-key map "r" 'notmuch-search-reply-to-thread)
     (define-key map "s" 'notmuch-search)
     (define-key map "t" 'notmuch-search-filter-by-tag)
     (define-key map "x" 'kill-this-buffer)
@@ -824,6 +828,12 @@ global search.
 	(notmuch-show thread-id (current-buffer))
       (error "End of search results"))))
 
+(defun notmuch-search-reply-to-thread ()
+  "Begin composing a reply to the entire current thread in a new buffer."
+  (interactive)
+  (let ((message-id (notmuch-search-find-thread-id)))
+    (notmuch-reply message-id)))
+
 (defun notmuch-call-notmuch-process (&rest args)
   "Synchronously invoke \"notmuch\" with the given list of arguments.