xCode update causes git config error - fix

Can't start Git: /usr/bin/git

Probably the path to Git executable is not valid

Then this error when you click the Test button in the control panel

Solution:  You need to go to the terminal, run 'sudo git' at the prompt, you will be see the same license text as above, you must agree to the terms before you can run git.

This will allow PHPStorm to access git.