If you accidentally install the wrong version of git on Mac OS X 10.7.5, you’ll need to remove it before you can install the correct version. You need to uninstall git if you have problems like the description on this page,
- Open the disk-image from which you originally installed Git. It will have a name like “Git Install…”.
- In the terminal, type
cd /Volumes/Git<TAB>to navigate to that disk-image.
./uninstall.sh, type “yes” when it asked, then your password.
- Confirm that you have uninstalled Git by typing
which gitin the Terminal. There should be no answer.
Then install following the instructions for installing git.