my $is_break = 0;
$SIG{INT} = sub { $is_break = 1 };
my $result = is_success( getstore( $uri, $localfile ) );
if($is_break) {
    print STDERR 'Removing incomplete download...';
    -f $localfile and (
        unlink $localfile
        or print STDERR "\rCouldn't remove incompletely downloaded $localfile: $!\n"
    );
}
exit $result;