how to use mash update ?

[Bill Nottingham]

Eric Zhong (ericiszhongwenjia at gmail.com) said: 
> but i don't understand the "delta" too, and how to use this option ,  is it
> "mash -d dist-fc13"  ?

It's for creating deltarpms. If you don't know what those are,
don't worry about it.

> but when i use "mash xxx ", it will delete old mash dir and get all pkgs
> then createrepo again.

Right, that's the intention. It does create/use a cache in
/var/cache/mash, assuming that's writable by the mashing user.

Bill