anchor.diff:  
     # Get revisions from
     # https://github.com/moby/moby/tree/${version}/hack/dockerfile/install/*
  -  docker_20_10 = makeOverridable dockerGen rec {
  +  docker_20_10 = callPackage dockerGen rec {
       version = "20.10.2";
       rev = "v${version}";
       sha256 = "0z0hpm5hrqh7p8my8lmiwpym2shs48my6p0zv2cc34wym0hcly51";
  
positive.code:     containerdSha256 = "09xvhjg5f8h90w1y94kqqnqzhbhd62dcdd9wb9sdqakisjk6zrl0";
      tiniRev = "de40ad007797e0dcd8b7126f27bb87401d224240"; # v0.19.0
      tiniSha256 = "1h20i3wwlbd8x4jr2gz68hgklh0lb0jj7y5xk1wvr8y58fip1rdn";
      inherit buildxSupport;
    };
  }
  
negative.code: { lib, callPackage }:
  
  with lib;
  
  