anchor.diff:    };
   
     cli-go = buildFromGitHub {
  -    rev    = "v1.2.0";
  +    rev    = "142e6cd241a4dfbf7f07a018f1f8225180018da4";
       owner  = "codegangsta";
       repo   = "cli";
  -    sha256 = "1axcpc8wgs0b66dpl36pz97pqbxkgvvbwz1b6rf7gl103jqpii40";
  +    sha256 = "1w8naax4gvkkxw5h31a2c2dwniw5hj92nv0hn6ybdlavffyax9h5";
     };
   
     columnize = buildFromGitHub {
  
positive.code:     ];
    };
  
    vulcand = buildGoPackage rec {
      rev = "v0.8.0-beta.3";
      name = "vulcand-${rev}";
  
negative.code:   };
  
    glide = buildFromGitHub {
      rev    = "0.5.0";
      owner  = "Masterminds";
      repo   = "glide";
      sha256 = "10jg3h1zprx2ylmmcvmy94k4pw7lc9a6xfgr2ld8rih642sqg9wh";
      buildInputs = [ cookoo cli-go go-gypsy vcs ];
    };
  
    gls = buildFromGitHub {
  