[Yum] A couple of problems and RFE for Yum

[Garrick Staples]

On Tue, Oct 21, 2003 at 04:19:08PM -0400, Rick Thomas alleged:
> seth vidal wrote:
> > 
> > > Another alternative is:
> > >
> > > 1) write to .newheaders
> > > 2) HARD LINK headers to .oldheaders
> > > 3) rename .newheaders to headers
> > >
> > > That's efficient, but requires hard links :)
> > 
> > which not all filesystems have, right.
> 
> 
> Right.  Not all filesystems have hard links.  However, some do -- and in
> that case, it would be very nice to provide *true* atomicity when
> possible and cheap to do so.  Would a bugzilla on this be useful?

Unfortunately you can't hardlink directories.

This is a general Unix rule that has been in my head for ages.  I just
actually tried it on Solaris and Linux, and found it to be true.
Perhaps other OSes allow this.