anchor.diff:        ftp
         fuse
         go-acd
  +      go-cache
         goconfig
         google-api-go-client
         net
  
positive.code:     sha256 = "0551h2slsb7lg3r6yif65xvf6k8f0izqwyiigpipm3jhlln37c6p";
    };
  
    cachecontrol = buildFromGitHub {
      version = 3;
      owner = "pquerna";
  
negative.code: 
    ini = buildFromGitHub {
      version = 3;
      rev = "v1.32.0";
      owner  = "go-ini";
      repo   = "ini";
      sha256 = "044q7hslpni3jpb0v0g411xn2fi8fzyp79zyjxzb7y23nfsqywjy";
    };
  
    ini_v1 = buildFromGitHub {
      version = 3;
      rev = "v1.32.0";
      owner  = "go-ini";
      repo   = "ini";
      goPackagePath = "gopkg.in/ini.v1";
      sha256 = "0jm4l7libijis9nqx1wwcddsac78f5z1dp6fxf2yzkjbnzh8y3zy";
    };
  
    inject = buildFromGitHub {
  