mozilla-b2g/B2G — pull request #229 by jhford (2013-04-02 01:18:16+00:00)
Title: Install the 10.6 SDK if the machine lacks it

I think I hooked up the dry run and automatic install flags in a sane way. This should be everything needed to automatically install the 10.6 SDK from the Xcode 4.3 package.