Currently, the git clone wizard does not work with the Cordova project import. The end-user must run the git clone wizard to a point, then cancel out, then start the cordova project import wizard.
In addition, the git clone wizard is fairly "hard to use".
Feature proposal: add git clone support to the Cordova project import - so it can import from file system AND import from a git URL.
Current UI: http://www.screencast.com/t/2bjzPI6EuEgl