adamrofer/git-tfs — comment on commit ad6d8308ac4ab827c91ebd07bcd3a25e4e45fb97
File: GitTfs/Core/GitRepository.cs line 303
By spraints:

I don't think this is right.... It was ignorecase so that, as it reads in new data from TFS or git, it compares $/PROJECT/FILE to $/project/file as equal.

But, it should become apparent when you clone. :)