Have problem with installation, if Homebrew is already installed. Rake gets aborted

Created by: WarFox

Aborting Error: Failure while executing: git pull -q origin refs/heads/master:refs/remotes/origin/master It appears Homebrew is already installed. If your intent is to reinstall you should do the following before running this installer again: rm -rf /usr/local/Cellar /usr/local/.git && brew cleanup rake aborted! Homebrew must be installed before continuing.