my @ref = $gcf->qx(qw(cat-file blob), $buf);
my $nl = scalar @ref;
ok($nl > 1, "qx returned array length of $nl");
+ is(join('', @ref), $ref, 'qx array and scalar context both work');
$gcf->qx(qw(repack -adq));
ok($gcf->packed_bytes > 0, 'packed size is positive');