I was looking for a way to put my existing project under source control, and I looked at [this question](https://stackoverflow.com/questions/5618686/how-to-add-a-new-project-to-source-control-in-xcode-4?rq=1), but it looks like that solution only worked with Xcode 4.0 because I can't find a way to do what is advised. I also looked at [this question](https://stackoverflow.com/questions/8349721/committing-project-to-source-control-in-xcode), but that solution doesn't work either because my project isn't currently under source control. How can I get my existing project under source control?

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I want it to be a git repository, not subversion.