anchor.diff:      version = 3;
       owner = "minio";
       repo = "mc";
  -    rev = "7f65ad495751045243618aa2223ba3bc28f6654a";
  -    sha256 = "0jwcwbiyp7i70xifnh5zwspbccwhch0jzjhz1yhdxng4lbpbj0h2";
  +    rev = "6c677e0d116eaf7af58ed2a3c711c96711b7c51e";
  +    sha256 = "1n5jlavnyp47nlfflkqr0230w2ykjdsy36djsml46mz7nccvbj3z";
       propagatedBuildInputs = [
         cli_minio
         color
  
positive.code: 
    docker_cli = buildFromGitHub {
      version = 3;
      date = "2017-05-19";
      rev = "883d28cfce55c2eac049b724b2cedcae2ad4bd0c";
      owner = "docker";
      repo = "cli";
      sha256 = "07zq2ylsjy9i92jrqzvqdis866v39ma7ri2s5n4zkia432mv82ra";
      subPackages = [
        "cli/config/configfile"
      ];
  
negative.code: 
    go-winio = buildFromGitHub {
      version = 3;
      rev = "v0.4.2";
      owner  = "Microsoft";
      repo   = "go-winio";
      sha256 = "1m4yx0falil8sgzn3j9pknb692r11npc48d3y08bzfc3kk1grr5a";
      buildInputs = [
        sys
      ];
  