anchor.diff:      platforms = docker.meta.platforms;
     };
   }
  +
  
positive.code:     sha256 = "1ng577k11cyv207bp0vaz5jjfcn2igd6w95zn4izcq1nldzp5935";
    };
  
    buildInputs = [ go ];
  
    buildPhase = ''
      mkdir -p .gopath/src/github.com/docker
      ln -sf $(pwd) .gopath/src/github.com/docker/libnetwork
      GOPATH="$(pwd)/.gopath:$(pwd)/Godeps/_workspace" go build -ldflags="$PROXY_LDFLAGS" -o docker-proxy ./cmd/proxy
    '';
  
    installPhase = ''
      mkdir -p $out/bin
      cp docker-proxy $out/bin
    '';
  
    meta = {
      description = "Docker proxy binary to forward traffic between host and containers";
      license = licenses.asl20;
      homepage = https://github.com/docker/libnetwork;
  
negative.code: { stdenv, buildGoPackage, fetchFromGitHub, docker }:
  
  buildGoPackage rec {
    name = "docker-proxy-${rev}";
    rev = "7b2b1feb1de4817d522cc372af149ff48d25028e";
  
  