Dovecot and capabilities

[Michael Welsh Duggan <md5i@md5i.com>]

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I was trying to figure out why, using my new Dovecot install, I was not
getting UIDPLUS or QRESYNC capabilities.  I found out that it was
because the capabilities were determined at connection time, and the set
of advertised capabilities changes between connection and login.  Upon
login on Dovecot, an updated set of capabilities may be advertised.  I
was able to account for that using the included patch.  A perhaps-better
method might be to re-run CAPABILITY after logging in.


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From f6dcf14c70aac1b1c240f0bae4174612b110cf1c Mon Sep 17 00:00:00 2001
From: Michael Welsh Duggan <md5i@md5i.com>
Date: Mon, 21 Mar 2011 21:09:34 -0400
Subject: [PATCH 3/3] Allow capabilities to be set after login

---
 lisp/nnimap.el |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/lisp/nnimap.el b/lisp/nnimap.el
index 138875b..b92c4c8 100644
--- a/lisp/nnimap.el
+++ b/lisp/nnimap.el
@@ -395,7 +395,13 @@ textual parts.")
 		(let ((nnimap-inhibit-logging t))
 		  (setq login-result
 			(nnimap-login (car credentials) (cadr credentials))))
-		(unless (car login-result)
+		(if (car login-result)
+                    ;; See if capability is set as part of login
+                    ;; response
+                    (dolist (response (cddr login-result))
+                      (when (string= "CAPABILITY" (upcase (car response)))
+                        (setf (nnimap-capabilities nnimap-object)
+                              (mapcar #'upcase (cdr response)))))
 		  ;; If the login failed, then forget the credentials
 		  ;; that are now possibly cached.
 		  (dolist (host (list (nnoo-current-server 'nnimap)
-- 
1.7.4.1


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-- 
Michael Welsh Duggan
(md5i@md5i.com)