Linus Torvalds <torvalds@linux-foundation.org> writes:

quoted text
>> b) The problem is not just that empty directories don't get added into
>> the repository.  They also don't get removed again when switching to a
>> different checkout.
>
> Bzzt. Wrong.
>
> We *do* remove directories when all files under them go away.
>
> HOWEVER (and this is where one of the reasons for not tracking them comes 
> in):
>
>    ** YOU CANNOT REMOVE A DIRECTORY IF IT HAS SOME UNTRACKED CONTENTS **

I believe David's point was different.

If you checkout a branch, create an empty directory in this branch
(probably a placeholder, either for future versionned files, or for
generated files), you cannot tell git "this empty directory is in this
branch, but not in other ones" without adding a file in it.

So, doing "git-checkout anotherbranch", this empty directory doesn't
go away. It's just unversionned in both branches, git won't touch it.

-- 
Matthieu
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