ruby-build/_service

<services>
  <service name="download_url">
    <param name="protocol">https</param>
    <param name="host">github.com</param>
    <param name="path">rbenv/ruby-build/archive/v20181225.tar.gz</param>
  </service>
  <service name="verify_file">
    <param name="file">_service:download_url:v20181225.tar.gz</param>
    <param name="verifier">sha256</param>
    <param name="checksum">5ace4787ace47384dc419b20f5eb5a59f1174e00bfabcfed74a175033cd0b18a</param>
  </service>
</services>