[et-mgmt-tools] 'arch' in image XML

[John Levon]

What is the purpose of this option exactly? From a quick look it only
seems to be used to select which RPMs to use when doing an install. Is
there some extra semantics to it?

Another question: it seems that virt-image always insists on an install
step. What was the intent behind using virt-convert (nee virt-unpack)
with virt-image output, in this case?

thanks
john