I have just create a git repository on my iMac under the user git account and am now want to clone it from my main user account on the same computer. I have created my SSH k
You shouldn't need an ssh key at all. Make all of the files world readable and just clone the full path. In other words, do
$ git clone /path/to/repo
git clone /path/to_repository /path/to_where_you_want_it_cloned
Make sure that your main user account has permissions to copy to/from your accounts directories.