From 1804e2961f3a28045b601a982f44ff61ea33a2fe Mon Sep 17 00:00:00 2001
From: Eric Wong <e@yhbt.net>
Date: Wed, 10 Jun 2020 07:04:18 +0000
Subject: [PATCH] imap: support the CLOSE command

It seems worthless to support CLOSE for read-only inboxes, but
mutt sends it, so don't return a BAD error with proper use.
---
 lib/PublicInbox/IMAP.pm | 6 ++++++
 t/imapd.t               | 3 ++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index 54c616ee..0852ffab 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -121,6 +121,12 @@ sub cmd_login ($$$$) {
 	login_success($self, $tag);
 }
 
+sub cmd_close ($$) {
+	my ($self, $tag) = @_;
+	delete $self->{ibx} ? "$tag OK Close done\r\n"
+				: "$tag BAD No mailbox\r\n";
+}
+
 sub cmd_logout ($$) {
 	my ($self, $tag) = @_;
 	delete $self->{logged_in};
diff --git a/t/imapd.t b/t/imapd.t
index 1ec0d5c3..8172a919 100644
--- a/t/imapd.t
+++ b/t/imapd.t
@@ -327,7 +327,8 @@ $r2 = $mic->fetch_hash(2, 'BODY.PEEK[HEADER.FIELDS (message-id)]')
 is($r2->{2}->{'BODY[HEADER.FIELDS (MESSAGE-ID)]'},
 	'Message-ID: <20200418222508.GA13918@dcvr>'."\r\n\r\n",
 	'BODY.PEEK[HEADER.FIELDS ...] drops .PEEK');
-
+ok($mic->close, 'CLOSE works');
+ok(!$mic->close, 'CLOSE not idempotent');
 ok($mic->logout, 'logged out');
 
 $td->kill;
-- 
2.44.0