```ruby
class IntellijIdeaCommunityEap < Cask
  version '14'
  sha256 'bcea58e2f59356e9b10e33d40adbcd7ec711bbd15c410d53f3a3695c517f2b67'

  url "http://download.jetbrains.com/idea/ideaIC-#{version}-PublicPreview.dmg"
  homepage 'https://www.jetbrains.com/idea/index.html'

  app "IntelliJ IDEA #{version} CE EAP.app"
end
```

Upgrade IntelliJ CE EAP to 14 RC1 (139.144.2)
user
```ruby
class IntellijIdeaCommunityEap < Cask
  version '139.144.2'
  sha256 '4f06f206d4e3435d0d2b2c803637db7645ab8c762fbdbd6038384971074e16b8'

  url "http://download.jetbrains.com/idea/ideaIC-#{version}.dmg"
  homepage 'https://confluence.jetbrains.com/display/IDEADEV/IDEA+14+EAP'

  app 'IntelliJ IDEA 14 CE EAP.app'
end
```
assistant