Renamed files and directories

[Jamie Lokier]

David Howe wrote:
> Jamie Lokier wrote:
> I am less worried about individual file renames and/or "missing" the
> opportunity to diff a large file that has been both moved and updated,
> than having to resync multiple gigs of stuff over a slow link, because
> some user renamed a directory.

An approximate match of renamed directories may be possible without
even statting all the files.  Just look for a similar name tree.  If
it finds a good match, then it can do the more expensive finer-grained
checks.

-- Jamie