```ruby
class LionDiskMaker < Cask
  url 'http://liondiskmaker.com/downloads/LionDiskMaker.zip'
  homepage 'http://liondiskmaker.com/'
  version '2.0.2'
  no_checksum
  link "Lion DiskMaker #{version}/Lion DiskMaker 2.app"
end
```

Add SHA1 to Lion DiskMaker.
user
```ruby
class LionDiskMaker < Cask
  url 'http://liondiskmaker.com/downloads/LionDiskMaker.zip'
  homepage 'http://liondiskmaker.com/'
  version '2.0.2'
  sha1 '1e0c898f48b1eb1f45fe8e33cc01cf40d237e378'
  link "Lion DiskMaker #{version}/Lion DiskMaker 2.app"
end
```
assistant