gistfile1.txt

  etcdv3-env = bundlerEnv rec {
    name = "etcdv3-env";
    inherit ruby;
    gemfile = ./Gemfile;
    lockfile = ./Gemfile.lock;
    gemset = ./gemset.nix;
    gemConfig = pkgs.defaultGemConfig // {
      etcdv3 = attrs: {
        src = patched {
          patches = [
            ./0001-use-find-over-git.patch
          ];
          src = fetchFromGitHub {
            owner = "davissp14";
            repo = "etcdv3-ruby";
            rev = "0.5.1";
            sha256 = "0k2mrnlm3f319rkpcgcdx1j52v3y7hqyn40mmxhbr02qgzfnh4fd";
          };
        };
      };
      grpc = attrs: {
        buildInputs = [ pkgconfig openssl zlib ];
        postInstall = ''
          # may not be necessary anymore:
          cp $out/lib/ruby/gems/2.3.0/extensions/x86_64-linux/2.3.0/grpc-1.2.0/grpc/grpc_c.so $out/lib/ruby/gems/2.3.0/gems/grpc-1.2.0/src/ruby/lib/grpc/
        '';
      };
    };
  };