During installation, create a user called admin rather than one with your own name.
Then install Homebrew as per latest instructions (note that this will install the necessary CLI components for XCode):
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
I hereby claim:
To claim this, I am signing this object:
| Colleen-Velos-MacBook-Air:~ cvelo$ brew doctor | |
| Warning: /usr/bin occurs before /usr/local/bin | |
| This means that system-provided programs will be used instead of those | |
| provided by Homebrew. The following tools exist at both paths: | |
| erb | |
| gem | |
| git | |
| git-cvsserver | |
| git-receive-pack |