I\'m using homebrew and oh-my-zsh on a fresh OSX 10.10.1 install. I got nvm via homebrew and then attempted to run it but
homebrew
oh-my-zsh
nvm
To install nvm, brew install nvm
brew install nvm
To run nvm after installation or just once, $(brew --prefix nvm)/nvm.sh
$(brew --prefix nvm)/nvm.sh
To run nvm everytime zsh opens
zsh
nano ~/.zshrc
source $(brew --prefix nvm)/nvm.sh