```ruby
require 'formula'

class RubyInstall < Formula
  homepage 'https://github.com/postmodern/ruby-install#readme'
  url 'https://github.com/postmodern/ruby-install/archive/v0.1.1.tar.gz'
  sha1 'f317934f830addcaf6544765a52df03c2d059254'
  head 'https://github.com/postmodern/ruby-install.git'

  def install
    system 'make', 'install', "PREFIX=#{prefix}"
  end
end
```

Add a newline to appease the homebrew style gods.
user
```ruby
require 'formula'

class RubyInstall < Formula
  homepage 'https://github.com/postmodern/ruby-install#readme'
  url 'https://github.com/postmodern/ruby-install/archive/v0.1.1.tar.gz'
  sha1 'f317934f830addcaf6544765a52df03c2d059254'

  head 'https://github.com/postmodern/ruby-install.git'

  def install
    system 'make', 'install', "PREFIX=#{prefix}"
  end
end
```
assistant