Re: searching by Message-ID after copy/move; speeding things up

[Julien Danjou <julien@danjou.info>]

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On Thu, Jun 14 2012, Michael Welsh Duggan wrote:

> The change was quite simple, and most of my time was spent re-learning
> how the nnimap library does things in general.  I hope that something
> like this can make it into mainline Gnus.

Attached is an experimental patch. Could you test it and tell me if this
resolve your problem?


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From 743f0f50fcfb2779f1ba16382cc0fca9b1364585 Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Thu, 14 Jun 2012 10:09:04 +0200
Subject: [PATCH] Add recent argument to nnimap-find-article-by-message-id

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 lisp/ChangeLog |    7 +++++++
 lisp/nnimap.el |   11 ++++++++---
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 20a586e..9d0f184 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,10 @@
+2012-06-14  Julien Danjou  <julien@danjou.info>
+
+	* nnimap.el (nnimap-find-article-by-message-id): Add docstring and
+	recent argument.
+	(nnimap-request-move-article): Use the recent option of
+	`nnimap-find-article-by-message-id'.
+
 2012-06-11  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* gnus-art.el (gnus-article-read-summary-keys): Protect against the key
diff --git a/lisp/nnimap.el b/lisp/nnimap.el
index 5bdf226..0bd45de 100644
--- a/lisp/nnimap.el
+++ b/lisp/nnimap.el
@@ -867,7 +867,7 @@ textual parts.")
 		(cons internal-move-group
 		      (or (nnimap-find-uid-response "COPYUID" (cadr result))
 			  (nnimap-find-article-by-message-id
-			   internal-move-group message-id)))))
+			   internal-move-group message-id t)))))
 	  ;; Move the article to a different method.
 	  (let ((result (eval accept-form)))
 	    (when result
@@ -969,7 +969,10 @@ textual parts.")
 			       (cdr (assoc "SEARCH" (cdr result))))))))))
 
 
-(defun nnimap-find-article-by-message-id (group message-id)
+(defun nnimap-find-article-by-message-id (group message-id &optional recent)
+  "Search for message with MESSAGE-ID in GROUP.
+RECENT can be used to look only in message having the \Resent
+flag set, fastening the search.."
   (with-current-buffer (nnimap-buffer)
     (erase-buffer)
     (unless (equal group (nnimap-group nnimap-object))
@@ -977,7 +980,9 @@ textual parts.")
       (setf (nnimap-examined nnimap-object) group)
       (nnimap-send-command "EXAMINE %S" (utf7-encode group t)))
     (let ((sequence
-	   (nnimap-send-command "UID SEARCH HEADER Message-Id %S" message-id))
+	   (nnimap-send-command "UID SEARCH HEADER Message-Id %S%s"
+                                message-id
+                                (if recent " RECENT" "")))
 	  article result)
       (setq result (nnimap-wait-for-response sequence))
       (when (and result
-- 
1.7.10


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-- 
           Julien

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