If a directory a bare git repository, `datalad save` happily adds all its files into super's git

[yarikoptic]

What is the problem?

$> datalad add -d . project 
add(ok): project/HEAD (file)
add(ok): project/annex/index (file)
add(ok): project/annex/index.lck (file)
add(ok): project/annex/journal.lck (file)
add(ok): project/annex/sentinal (file)
add(ok): project/annex/sentinal.cache (file)
add(ok): project/config (file)
add(ok): project/description (file)
add(ok): project/hooks/applypatch-msg.sample (file)
add(ok): project/hooks/commit-msg.sample (file)
add(ok): project/hooks/fsmonitor-watchman.sample (file)
add(ok): project/hooks/post-update.sample (file)
add(ok): project/hooks/pre-applypatch.sample (file)
add(ok): project/hooks/pre-commit.sample (file)
add(ok): project/hooks/pre-push.sample (file)
add(ok): project/hooks/pre-rebase.sample (file)
add(ok): project/hooks/pre-receive.sample (file)
add(ok): project/hooks/prepare-commit-msg.sample (file)
add(ok): project/hooks/update.sample (file)
add(ok): project/info/exclude (file)
add(ok): project/objects/17/e6bf85da88a09140a61c8afa68bb764ba98e28 (file)
add(ok): project/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 (file)
add(ok): project/objects/6c/abf9b09b4b5e288c205abbe5490796bfc9fd38 (file)
add(ok): project/objects/8b/30204b20d5924bdff31eeda3472c940f589511 (file)
add(ok): project/objects/c7/972ba1f2d143b65d3d1d571e795f2eb593be2e (file)
add(ok): project/refs/heads/git-annex (file)
save(ok): /tmp/dsss (dataset)