yum differential updates

[Robert Mortimer]

> On 4/11/06, n0dalus <n0dalus+redhat at gmail.com> wrote:
> > I wonder if a diff/delta creating program could be written
> > specifically for ELF format files.
> > Each .section (text,data,init,etc) of the library/program could be
> > analyzed. It might be able to do things such as detect the
> > introduction of a new symbol and record the offset that the symbol
> > locations after that were moved. A small bugfix may change the binary
> > data a lot, but if the data was analyzed properly the real changes
> > might only be small.
> 
> Oh yes, obviously lots of room for improvement. Diffing memory 
> offsets, etc..
> In general finding minimal deltas in a bound amount of time is a
> difficult problem and one with a lot of room for improvement and
> domain specific enhancements...
> 
> But for today we must use what is already there... the overall
> infrastructure would be more than enough work.  Once you've coded the
> uber-binary-differ we can talk about using that. :)

Why not go crazy and have some sort of wild CVS thing that dishes out 
source difs so you can spend a spare day recompiling stuff!

Between CVSup RSync P2P portsnap etc. you would have thought someone 
would have the solution 

PS I quite like the BSDs as well as Linux


Robert 
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