From f6a6e63306e63825013f9a58b7527f2653420976 Mon Sep 17 00:00:00 2001
From: byron jones <byron@glob.com.au>
Date: Tue, 27 Mar 2018 05:01:46 +0800
Subject: Bug 1448681 - Bugmail Message-ID header format changed without
 changing In-Reply-To/References, breaking threading

---
 Bugzilla/Mailer.pm | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

(limited to 'Bugzilla/Mailer.pm')

diff --git a/Bugzilla/Mailer.pm b/Bugzilla/Mailer.pm
index e245a05e0..1dec3d4ff 100644
--- a/Bugzilla/Mailer.pm
+++ b/Bugzilla/Mailer.pm
@@ -252,15 +252,14 @@ sub build_thread_marker {
         $sitespec = "-$2$sitespec"; # Put the port number back in, before the '@'
     }
 
-    my $threadingmarker;
+    my $threadingmarker = "References: <bug-$bug_id-$user_id$sitespec>";
     if ($is_new) {
-        $threadingmarker = "Message-ID: <bug-$bug_id-$user_id$sitespec>";
+        $threadingmarker .= "\nMessage-ID: <bug-$bug_id-$user_id$sitespec>";
     }
     else {
         my $rand_bits = generate_random_password(10);
-        $threadingmarker = "Message-ID: <bug-$bug_id-$user_id-$rand_bits$sitespec>" .
-                           "\nIn-Reply-To: <bug-$bug_id-$user_id$sitespec>" .
-                           "\nReferences: <bug-$bug_id-$user_id$sitespec>";
+        $threadingmarker .= "\nMessage-ID: <bug-$bug_id-$user_id-$rand_bits$sitespec>" .
+                            "\nIn-Reply-To: <bug-$bug_id-$user_id$sitespec>";
     }
 
     return $threadingmarker;
-- 
cgit v1.2.3-24-g4f1b