anchor.diff:      subPackages = [ "./" ];  # don't try to build test fixtures
     };
   
  -  gls = buildGoPackage rec {
  -    rev = "9a4a02dbe491bef4bab3c24fd9f3087d6c4c6690";
  -    name = "gls-${stdenv.lib.strings.substring 0 7 rev}";
  -    goPackagePath = "github.com/jtolds/gls";
  -    src = fetchFromGitHub {
  -      inherit rev;
  -      owner = "jtolds";
  -      repo = "gls";
  -      sha256 = "1gvgkx7llklz6plapb95fcql7d34i6j7anlvksqhdirpja465jnm";
  -    };
  +  gls = buildFromGitHub {
  +    rev    = "9a4a02dbe491bef4bab3c24fd9f3087d6c4c6690";
  +    owner  = "jtolds";
  +    repo   = "gls";
  +    sha256 = "1gvgkx7llklz6plapb95fcql7d34i6j7anlvksqhdirpja465jnm";
     };
   
     ugorji.go = buildGoPackage rec {
  
positive.code:     };
    };
  
    robfig.go-cache = buildGoPackage rec {
      rev = "9fc39e0dbf62c034ec4e45e6120fc69433a3ec51";
      name = "go-cache-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/robfig/go-cache";
  
      src = fetchFromGitHub {
        inherit rev;
        owner = "robfig";
        repo = "go-cache";
        sha256 = "032nh3y43bpzpcm7bdkxfh55aydvzc2jzhigvy5gd9f648m4j9ha";
      };
    };
  
    go-checkpoint = buildGoPackage rec {
      rev = "88326f6851319068e7b34981032128c0b1a6524d";
      name = "go-checkpoint-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/hashicorp/go-checkpoint";
  
      src = fetchFromGitHub {
        inherit rev;
        owner = "hashicorp";
        repo = "go-checkpoint";
        sha256 = "1npasn9lmvx57nw3wkswwvl5k0wmn01jpalbwv832x5wq4r0nsz4";
      };
    };
  
    go-colortext = buildGoPackage rec {
      rev = "13eaeb896f5985a1ab74ddea58707a73d875ba57";
      name = "go-colortext-${stdenv.lib.strings.substring 0 7 rev}";
      goPackagePath = "github.com/daviddengcn/go-colortext";
  
      src = fetchFromGitHub {
        inherit rev;
        owner = "daviddengcn";
        repo = "go-colortext";
        sha256 = "0618xs9lc5xfp5zkkb5j47dr7i30ps3zj5fj0zpv8afqh2cc689x";
      };
    };
  
    go-etcd = buildGoPackage rec {
  
negative.code: 
    ## THIRD PARTY
  
    airbrake-go = buildFromGitHub {
      rev    = "5b5e269e1bc398d43f67e43dafff3414a59cd5a2";
      owner  = "tobi";
      repo   = "airbrake-go";
      sha256 = "1bps4y3vpphpj63mshjg2aplh579cvqac0hz7qzvac0d1fqcgkdz";
    };
  
    ansicolor = buildFromGitHub {
      rev    = "8368d3b31cf6f2c2464c7a91675342c9a0ac6658";
      owner  = "shiena";
      repo   = "ansicolor";
      sha256 = "1fyn06vxm44s0ph8pr7r9gkab1f4x851zlyy3p6jbbwsa6an8g9w";
    };
  
    asn1-ber = buildGoPackage rec {
  