[olpc-software] Package manager stuff

[Alan Cox]

On Tue, Mar 14, 2006 at 06:53:31PM +0000, Mike Hearn wrote:
> Done right, merging in an application should be very lightweight: no
> copying of files, no updating of databases, no memory overhead. Just
> namespace manipulation.

No copying of files. Thats magic because you will need to unpack them,
and the copying cost is pretty much all the cost with ipkg.