Wednesday, Oct 28, 2015 [Tweets] [Favorites]

When Is Zip Not Zip?

Scott Gruby:

There are various flavors of zip, libraries that do zip, and other tools that zip. In one of our tools, we were using a zip library. It appears that Apple made a change in iOS 9.0.2 or 9.1 that caused applications created by our tool to not install on devices. However, the problem was only present if the app was installed over the air or through iTunes; installed through Xcode’s Devices window succeeded. After an arduous day of debugging trying to determine the failure point (provisioning is usually to blame for failures and they can be super frustrating), I switched our tool to use the command line zip (/usr/bin/zip) and amazingly the problem went away.

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