update copyrights for 2021

[public-inbox.git] / lib / PublicInbox / OverIdx.pm

diff --git a/lib/PublicInbox/OverIdx.pm b/lib/PublicInbox/OverIdx.pm
index bc2e3ef40b0b3980fe8b7de4d8bdd572f276232c..0a4eb39e0a9d112260eb417c035846c5bac5e7e4 100644 (file)
--- a/lib/PublicInbox/OverIdx.pm
+++ b/lib/PublicInbox/OverIdx.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2018-2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 2018-2021 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # for XOVER, OVER in NNTP, and feeds/homepage/threads in PSGI
@@ -284,6 +284,8 @@ sub add_overview {
        $smsg->{lines} = $eml->body_raw =~ tr!\n!\n!;
        my $mids = mids_for_index($eml);
        my $refs = parse_references($smsg, $eml, $mids);
+       $mids->[0] //= $smsg->{mid} //= $eml->{-lei_fake_mid};
+       $smsg->{mid} //= '';
        my $subj = $smsg->{subject};
        my $xpath;
        if ($subj ne '') {