-# Copyright (C) 2019 all contributors <meta@public-inbox.org>
+# Copyright (C) 2019-2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
use strict;
use warnings;
for my $v (@v) {
my @warn;
- $SIG{__WARN__} = sub { push @warn, @_ };
+ local $SIG{__WARN__} = sub { push @warn, @_ };
my $cfgpfx = "publicinbox.$v";
my $inboxdir = "$tmpdir/$v";
my $maildir = "$tmpdir/md-$v";