Hi, 

At the Weill Cornell workshop today, we found an ugly twist on getting git 
working for old Macs. As reported in our troubleshooting wiki [1], for Mac OS X 
10.8, git throws an "Lazy symbol" error, even if the installation went 
smoothly. The diagnosis for this is to try to do a `git init` (it'll fail).

The only solution seems to be to download Xcode (apparently, the error is 
because some libraries are missing and only get installed with Xcode). But 
today, we found that Apple removed the proper Xcode version from the Apple 
Store. Now the only fix is to go to the Apple Developer website and search for 
the the right Xcode there. This requires an Apple Developer account that the 
students probably won't have.

The only feasible thing is that instructors carry an USB with the old version 
of Xcode (downloading, copying to a thumb drive, and then to the student's 
laptop will take over an hour) and check people with Macs for 10.8.5, 
preferable during the first day of the workshop.

Does someone know other alternative?

Best,

Ivan

[1] 
https://github.com/swcarpentry/workshop-template/wiki/Configuration-Problems-and-Solutions#git
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