homebrew-cask/Casks/go.rb

cask 'go' do
  if MacOS.release <= :snow_leopard
    version '1.4.2'
    sha256 '8b8fe5c723663c2da0381643b2f04b0a597f623149095db61818c3fe22be9582'

    url "https://storage.googleapis.com/golang/go#{version}.darwin-amd64-osx10.6.pkg"
    pkg "go#{version}.darwin-amd64-osx10.6.pkg"
  elsif MacOS.release <= :lion
    version '1.4.2'
    sha256 '0407ca952f48315b3a6de99625c2fbe348c88936754539f4fcb244319e04a6b5'

    url "https://storage.googleapis.com/golang/go#{version}.darwin-amd64-osx10.8.pkg"
    pkg "go#{version}.darwin-amd64-osx10.8.pkg"
  else
    version '1.6.2'
    sha256 '3acb72fc5da5b6b12b683a4cd13b5be2f6e976b0342436844d881bf7fc50dcc9'

    url "https://storage.googleapis.com/golang/go#{version}.darwin-amd64.pkg"
    pkg "go#{version}.darwin-amd64.pkg"
  end

  name 'Go'
  homepage 'https://golang.org/'
  license :bsd

  depends_on macos: '>= :snow_leopard'

  uninstall pkgutil: 'com.googlecode.go'
end