yum check for deltas?

[Ranjan Maitra]

On Fri, 8 Oct 2010 11:41:53 -0500 Vikram Goyal <vikigoyal at gmail.com>
wrote:

> On Thu, Oct 07, 2010 at 03:31:15PM +0300, Jonathan Dieter wrote:
> > On Wed, 2010-10-06 at 23:09 +0200, Dj YB wrote:
> > > Hello,
> > > 
> > > my internet connection is pay per traffic so I prefer to use deltas when 
> > > possible.
> > > Is it possible to know before you say 'yes' to the update process, what 
> > > packages are going to be fully downloaded and what packages have deltas?
> > 
> > I'm afraid there is currently no way to know what packages will have
> > deltas before downloading.  As long as you're keeping reasonably
> > up-to-date, though, there *should* be a delta for almost every package.
> > 
> > Jonathan
> 
> 
> There is one suggestion which may help people with low bandwidth or
> expensive net connections. Yum should have an option to update packages
> for the one's, it can find only deltas. If a dependency problem occurs
> then that package can be mentioned explicetly on commandline.

At the very least, yum should provide an estimate of the delta download
size *before* the user is presented with the option for allowing
download to begin.

Ranjan