From f394b9931ba52515a90bcc43c59c41c36a96df19 Mon Sep 17 00:00:00 2001
From: shugo <shugo@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 27 Aug 2017 06:32:00 +0000
Subject: lib/net/imap.rb: Accept continuation requests without response text

The IMAP server of DOCOMO returns such continuation requests.
[ruby-list:50558]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59666 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/net/imap.rb | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'lib')

diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index dc185183cd..bb6754c732 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -964,7 +964,7 @@ module Net
           @idle_done_cond.wait(timeout)
           @idle_done_cond = nil
           if @receiver_thread_terminating
-            raise Net::IMAP::Error, "connection closed"
+            raise @exception || Net::IMAP::Error.new("connection closed")
           end
         ensure
           unless @receiver_thread_terminating
@@ -2268,8 +2268,13 @@ module Net
 
       def continue_req
         match(T_PLUS)
-        match(T_SPACE)
-        return ContinuationRequest.new(resp_text, @str)
+        token = lookahead
+        if token.symbol == T_SPACE
+          shift_token
+          return ContinuationRequest.new(resp_text, @str)
+        else
+          return ContinuationRequest.new(ResponseText.new(nil, ""), @str)
+        end
       end
 
       def response_untagged
-- 
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