setup OSX with Homebrew

setup.sh

#!/bin/bash

# HOMEBREW_GITHUB_API_TOKEN
if [ -f ~/.brew_api_token ];then
  source ~/.brew_api_token
fi

# dotfiles
git clone https://github.com/kun432/dotfiles.git ~/dotfiles && ~/dotfiles/link_dotfiles.sh

# Homebrew
brew_exists=$(which brew)
if [ -z "$brew_exists" ]; then
  ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
fi

# oh-my-zsh
if [ ! -d ~/.oh-my-zsh ]; then
  curl -L http://install.ohmyz.sh | sh
fi

# zsh path
zsh_path_exists=$(grep "/usr/local/bin/zsh" /etc/paths)
if [ -z "$zsh_path_exists" ]; then
  cp -p /etc/paths /etc/paths.BAK
  {
    echo "/usr/local/bin/zsh"
    cat /etc/paths
  } > /etc/paths
fi

# rbenv
rbenv_exists=$(grep "rbenv init" ~/.zshrc)
if [ -z "$rbenv_exists"]; then
    echo 'if which rbenv > /dev/null; then eval "$(rbenv init -)"; fi' >> ~/.zshrc
fi

# plenv
plenv_exists=$(grep "plenv init" ~/.zshrc)
if [ -z "$plenv_exists"]; then
    echo 'if which plenv > /dev/null; then eval "$(plenv init -)"; fi' >> ~/.zshrc
fi

# Ricty
cp -f /usr/local/Cellar/ricty/3.2.3/share/fonts/Ricty*.ttf ~/Library/Fonts/
fc-cache -vf