open my $fh, '>', $f or return $lei->fail("open $f: $!");
my $sq_dst = PublicInbox::Config::squote_maybe($dst);
my $q = $lei->{mset_opt}->{q_raw} // die 'BUG: {q_raw} missing';
open my $fh, '>', $f or return $lei->fail("open $f: $!");
my $sq_dst = PublicInbox::Config::squote_maybe($dst);
my $q = $lei->{mset_opt}->{q_raw} // die 'BUG: {q_raw} missing';