anchor.diff:      version = 2;
       owner = "gravitational";
       repo = "trace";
  -    rev = "d991fd2b77899e184df73f0fe9b6f420880fb73b";
  -    sha256 = "0d1h6av0mn85q9g9gsjbjndk4kjpffn763fzf03fpfxg3mbk2f42";
  +    rev = "b92ddf40136862e750726ad5f16f892b588d0006";
  +    sha256 = "0l4l2ip1q918q8jknscnk0ri0b3fi7xkqn1a0jwipb45w8g5yr96";
       date = "2017-03-20";
       propagatedBuildInputs = [
         clockwork
  
positive.code:     repo = "go-okta";
      sha256 = "0pqabxarh1hm4r2bwmhp8zlp6k7rf4dypp82pia97nspnisr94dc";
      date = "2016-10-03";
    };
  
    go-os-rename = buildFromGitHub {
  
negative.code:     ];
    };
  
    go-ansiterm = buildFromGitHub {
      version = 2;
      owner = "Azure";
      repo = "go-ansiterm";
      rev = "fa152c58bc15761d0200cb75fe958b89a9d4888e";
      date = "2016-06-22";
      sha256 = "1iwkrl0vxp08hxjw6lvgl6b11ciky3r6fbxwidbaamp08naaglzp";
      buildInputs = [
        logrus
      ];
    };
  
    go-httpclient = buildFromGitHub {
      version = 2;
      owner = "mreiferson";
  