From: Eric Wong <e@80x24.org>
Date: Wed, 30 Jun 2021 22:00:20 +0000 (+0000)
Subject: extsearchidx: lock before writing multi-pack-index
X-Git-Tag: v1.7.0~563
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=affa3b21defd541488d43c57281d50500c1755cf;p=public-inbox.git

extsearchidx: lock before writing multi-pack-index

This avoids errors from git in case -extindex gets invoked in
parallel.
---

diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index e4eaf5be..ee43e6f8 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -1047,6 +1047,7 @@ sub idx_init { # similar to V2Writable
 	$git_midx and $self->with_umask(sub {
 		my @cmd = ('multi-pack-index');
 		push @cmd, '--no-progress' if ($opt->{quiet}//0) > 1;
+		my $lk = $self->lock_for_scope;
 		system('git', "--git-dir=$ALL", @cmd, 'write');
 		# ignore errors, fairly new command, may not exist
 	});