--backup leaves window where file doesn't exist.

[Wayne Davison]

On Thu, Sep 15, 2005 at 10:15:51AM -0700, Wayne Davison wrote:
> Attached is a patch that I think effects the change of using link()
> instead of rename() when possible.

That patch had a couple problems with dealing with boundary conditions
(such as cross-device cases and a filesystem that doesn't support hard
links on an OS that does).  Here's a link to a better one:

    http://opencoder.net/more-linking.patch

..wayne..