cask 'tower-beta' do
  version '2.5.3-337,337-441ac672'
  sha256 '3fd20f583f8f82f795fea2b3024049c34b98d78dad902e310a82f580aeb2b485'

  # amazonaws.com/apps/tower2-mac was verified as official when first introduced to the cask
  url "https://fournova-app-updates.s3.amazonaws.com/apps/tower2-mac/#{version.after_comma}/Tower-2-#{version.before_comma}.zip"
  appcast 'https://updates.fournova.com/updates/tower2-mac/beta',
          checkpoint: '3a6fb16f83985f4b417593deca87a97e6be5d1fed6428aa5bf6428b295885c2b'
  name 'Tower'
  homepage 'https://www.git-tower.com/'

  app 'Tower.app'
  binary "#{appdir}/Tower.app/Contents/MacOS/gittower"

  zap delete: [
                '~/Library/Application Support/com.fournova.Tower2',
                '~/Library/Caches/com.fournova.Tower2',
                '~/Library/Preferences/com.fournova.Tower2.plist',
              ]

  caveats do
    files_in_usr_local
  end
end