From c76585db3daa7910edf5f4c048d783b67e2c2315 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Wed, 5 Oct 2016 23:47:32 +0000
Subject: thread: remove weaken dependency

We have to walk through all the messages after threading
anyways to build the rootset, so we can just delete all
the parent references at that point.
---
 lib/PublicInbox/SearchThread.pm | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'lib/PublicInbox')

diff --git a/lib/PublicInbox/SearchThread.pm b/lib/PublicInbox/SearchThread.pm
index 05de9ec5..003a8d11 100644
--- a/lib/PublicInbox/SearchThread.pm
+++ b/lib/PublicInbox/SearchThread.pm
@@ -33,7 +33,7 @@ sub thread {
 	my $self = shift;
 	_add_message($self, $_) foreach @{$self->{messages}};
 	my $id_table = delete $self->{id_table};
-	$self->{rootset} = [ grep { !$_->{parent} } values %$id_table ];
+	$self->{rootset} = [ grep { !delete $_->{parent} } values %$id_table ];
 }
 
 sub _get_cont_for_id ($$) {
@@ -90,7 +90,6 @@ package PublicInbox::SearchThread::Msg;
 use strict;
 use warnings;
 use Carp qw(croak);
-use Scalar::Util qw(weaken);
 
 sub new {
 	bless {
@@ -112,7 +111,7 @@ sub add_child {
 		delete $parent->{children}->{$cid};
 	}
 
-	weaken($child->{parent} = $self);
+	$child->{parent} = $self;
 }
 
 sub has_descendent {
-- 
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