anchor.diff:    pname = "git-lfs";
     version = "1.5.6";
     rev = "0d02fb7d9a1c599bbf8c55e146e2845a908e04e0";
  -  
  +
     goPackagePath = "github.com/git-lfs/git-lfs";
   
     src = fetchFromGitHub {
  
positive.code:     sha256 = "0wddry1lqjccf4522fvhx6grx8h57xsz17lkaf5aybnrgw677w3d";
    };
  
    # Tests fail with 'lfstest-gitserver.go:46: main redeclared in this block'
    excludedPackages = [ "test" ];
  
    preBuild = ''
      pushd go/src/github.com/git-lfs/git-lfs
  
negative.code:     popd
    '';
  
    meta = with stdenv.lib; {
      description = "Git extension for versioning large files";
      homepage    = "https://git-lfs.github.com/";
  