Ensure `@downloaded_path` is not nil.
Ensure `@downloaded_path` is not nil.

mahori/brew,JCount/brew,vitorgalvao/brew,Homebrew/brew,konqui/brew,reitermarkus/brew,konqui/brew,nandub/brew,JCount/brew,vitorgalvao/brew,Homebrew/brew,mahori/brew,nandub/brew,reitermarkus/brew,mahori/brew,vitorgalvao/brew,EricFromCanada/brew,vitorgalvao/brew,MikeMcQuaid/brew,MikeMcQuaid/brew,claui/brew,JCount/brew,konqui/brew,sjackman/homebrew,MikeMcQuaid/brew,claui/brew,claui/brew,EricFromCanada/brew,mahori/brew,Homebrew/brew,EricFromCanada/brew,konqui/brew,Homebrew/brew,sjackman/homebrew,reitermarkus/brew,nandub/brew,reitermarkus/brew,JCount/brew,sjackman/homebrew,sjackman/homebrew,EricFromCanada/brew,MikeMcQuaid/brew,nandub/brew,claui/brew