> On Mar 31, 2015, at 10:33 AM, Kevin Meaney <[email protected]> wrote:
> 
> Is there a command line command I can use to install from a disk image that 
> keeps the original file permissions?


This will make Xcode entirely read-only so you can’t accidentally save changes 
to anything:
        chmod -R u-w /Applications/Xcode.app
(Might need a ‘sudo’ up front.)

Since Xcode has a jillion files inside it, this might take a few minutes to run.

—Jens
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