From d72ce02b49367927003fa79d9cbb58f12f9d8955 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Tue, 27 Oct 2020 07:54:14 +0000
Subject: v2writable: count_shards: allow working without {ibx}

This will be needed for ExtSearchIdx which doesn't have a
persistent PublicInbox::Inbox object.
---
 lib/PublicInbox/V2Writable.pm | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index f575ba11..667a11f8 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -65,11 +65,13 @@ sub nproc_shards ($) {
 
 sub count_shards ($) {
 	my ($self) = @_;
-	# always load existing shards in case core count changes:
-	# Also, shard count may change while -watch is running
-	my $srch = $self->{ibx}->search or return 0;
-	delete $self->{ibx}->{search};
-	$srch->{nshard} // 0
+	$self->{ibx} ? do {
+		# always load existing shards in case core count changes:
+		# Also, shard count may change while -watch is running
+		my $srch = $self->{ibx}->search or return 0;
+		delete $self->{ibx}->{search};
+		$srch->{nshard} // 0
+	} : $self->{nshard}; # self->{nshard} is for ExtSearchIdx
 }
 
 sub new {
-- 
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