brew update
brew upgrade

brew install ag
brew install autoconf
brew install automake
brew install direnv
brew install gibo
brew install git-lfs
brew install git
brew install go
brew install hugo
brew install highlight
brew install imagemagick --with-webp
brew install vim
brew install wget
brew install zopfli
brew install zsh

brew cleanup

## cask introduce
brew install iterm2 --cask
brew install slack --cask
brew install hammerspoon --cask
brew install spotify --cask