AFAIK rsync has always been uni-directional, so I don't think there can be an equivalent. If you run `rsync -av --delete local://foo cloud://foo`, you are very

AFAIK rsync has always been uni-directional, so I don't think there can be an equivalent. If you run `rsync -av --delete local://foo cloud://foo`, you are very explicit that you want files on the the cloud to be gone if they don't exist locally.