fancy_echo "Installing Postgres, a good open source relational database ..."
  brew_install_or_upgrade 'postgres' '--no-python'

fancy_echo "Installing Redis, a good key-value database ..."
  brew_install_or_upgrade 'redis'

fancy_echo "Installing The Silver Searcher (better than ack or grep) to search the contents of files ..."
  brew_install_or_upgrade 'the_silver_searcher'

fancy_echo "Installing vim from Homebrew to get the latest version ..."
  brew_install_or_upgrade 'vim'

fancy_echo "Installing ctags, to index files for vim tab completion of methods, classes, variables ..."
  brew_install_or_upgrade 'ctags'

fancy_echo "Installing tmux, to save project state and switch between projects ..."
  brew_install_or_upgrade 'tmux'

fancy_echo "Installing reattach-to-user-namespace, for copy-paste and RubyMotion compatibility with tmux ..."
  brew_install_or_upgrade 'reattach-to-user-namespace'

fancy_echo "Installing ImageMagick, to crop and resize images ..."
  brew_install_or_upgrade 'imagemagick'

fancy_echo "Installing QT, used by Capybara Webkit for headless Javascript integration testing ..."
  brew_install_or_upgrade 'qt'

fancy_echo "Installing watch, to execute a program periodically and show the output ..."
  brew_install_or_upgrade 'watch'

node_version="0.10"

fancy_echo "Installing NVM, Node.js, and NPM, for running apps and installing JavaScript packages ..."
  brew_install_or_upgrade 'nvm'

  if ! grep -qs 'source $(brew --prefix nvm)/nvm.sh' ~/.zshrc; then
    printf 'export PATH="$PATH:/usr/local/lib/node_modules"\n' >> ~/.zshrc
    printf 'source $(brew --prefix nvm)/nvm.sh\n' >> ~/.zshrc
  fi

  source $(brew --prefix nvm)/nvm.sh
  nvm install "$node_version"

  fancy_echo "Setting $node_version as the global default nodejs..."
  nvm alias default "$node_version"