Phonegap-grabber is a project mainly written in Ruby, it's free.
pull down all the versions of phonegap, just like that
Download and package the latest PhoneGap
this doesn't work yet
ruby phonegap_grabber.rb tmp 0.9phonegap-0.9.zip
|- readme.................. which particular tag each platform is at
|-android
|-- phonegap goodness
|-blackberry
|-- phonegap goodness
|-iphone
|-- phonegap goodness
|-palm
|-- phonegap goodness
|-symbian.wrt
|-- phonegap goodness
|-winmo
|-- phonegap goodness