"Dana How" [off-list ref] writes:
... But such an attribute should be
ignored when --stdout is in effect -- it only affects on-disk
repacking, not packing for transfers, which is why it's named "repack".
Yes -- if we want to have an option to keep objects selectively
left out of packs in loose format, you would need 'repack' which
acts differently between the server-feeding-client case vs
packing-repository case.
Which is a bigger change that I did not want to show in the
quick-and-clean patch, but I would agree we would want both.