anchor.diff:  
     barbar-nvim = buildVimPluginFrom2Nix {
       pname = "barbar-nvim";
  -    version = "2021-02-18";
  +    version = "2021-03-07";
       src = fetchFromGitHub {
         owner = "romgrk";
         repo = "barbar.nvim";
  -      rev = "42d7112d78839ef9bd2b283ec0d9d82134e94b4f";
  -      sha256 = "0i2vx60h27sal1crl8di4rq6dp4c8zjarknjl9z09l1s798l5i62";
  +      rev = "85432f426b7473bb7a4de9f698f91848737b0fd8";
  +      sha256 = "16ql06swg4flr933bp2qm8g5iy2sjgh650k18pzghc0qc9k517xd";
       };
       meta.homepage = "https://github.com/romgrk/barbar.nvim/";
     };
  
positive.code: 
    telescope-nvim = buildVimPluginFrom2Nix {
      pname = "telescope-nvim";
      version = "2021-03-05";
      src = fetchFromGitHub {
        owner = "nvim-telescope";
        repo = "telescope.nvim";
        rev = "6e941e0ecec1ab6a1b4ce40c693ef1272c505abb";
        sha256 = "1dd7al3zh02fdjsnvxcbqxw9q27x57fl5krcdwn5yifadwmbrdml";
      };
      meta.homepage = "https://github.com/nvim-telescope/telescope.nvim/";
    };
  
negative.code: 
    nvim-gdb = buildVimPluginFrom2Nix {
      pname = "nvim-gdb";
      version = "2021-03-07";
      src = fetchFromGitHub {
        owner = "sakhnik";
        repo = "nvim-gdb";
        rev = "07aa4b435a832b122154a157ab6892ac4efb81fb";
        sha256 = "05cgypswm7qdl26jd6nfqahk2bmqvp482k9zjbk0an12kbzlsrz0";
      };
      meta.homepage = "https://github.com/sakhnik/nvim-gdb/";
    };
  
    nvim-highlite = buildVimPluginFrom2Nix {
      pname = "nvim-highlite";
      version = "2021-03-08";
      src = fetchFromGitHub {
        owner = "Iron-E";
        repo = "nvim-highlite";
        rev = "5f189ece5e071f4133ce756bec0ab7da1f6eece6";
        sha256 = "1s59fr7ppw37c98skrlbbcw583dhrqwjwd2nwjhmhhc884r88d5x";
      };
      meta.homepage = "https://github.com/Iron-E/nvim-highlite/";
    };
  