TopCoder UML Tool - Mac app and GateKeeper

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*Source Code*

All source code is in GitHub.  If you don’t have access, you’ll need to request access in the forum for this F2F.

More details on this project can be found here:

http://apps.topcoder.com/wiki/display/~ghostar/topcoder+UML+Tool+F2F

*Issue*

The Mac disk image works as expected, but it doesn't work correctly with GateKeeper, which was introduced in OS X 10.8.

http://support.apple.com/kb/ht5290

The disk image opens and prompts to accept the terms and conditions as expected, but when the app is dragged to the applications and then opened, instead of an error complaining about not being downloaded from the App Store, which is normal for apps downloaded, it is showing an error about the application being damaged.  We need to investigate why the OS thinks the app is damaged instead of just unsigned.  

To reproduce, you can change your app settings in "Security & Privacy" in the OS X settings app to "Mac App Store" (screenshot attached).  I've attached a screenshot for the UML Tool showing the damaged messaging and the correct functionality for a different, native app, which is what we want.



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