I want to use git to track my httpd.conf file. However /etc/apache2/ on my system is owned by root, and I want to keep it that way. If I use git from the command line, I can just sudo git ... to do whatever I need. However Sourcetree just throws a "permission denied" error instead of authenticating me. How do I authenticate? If there's no way to do it then please fix this! (OS X 10.11)