sub read_indexlevel {
my ($inbox) = @_;
- local $ENV{GIT_CONFIG} = "$ENV{PI_DIR}/config";
- chomp(my $lvl = `git config publicinbox.$inbox.indexlevel`);
+ my $cmd = [ qw(git config), "publicinbox.$inbox.indexlevel" ];
+ my $env = { GIT_CONFIG => "$ENV{PI_DIR}/config" };
+ chomp(my $lvl = xqx($cmd, $env));
$lvl;
}