anchor.diff:  
     zig-vim = buildVimPluginFrom2Nix {
       pname = "zig-vim";
  -    version = "2021-04-07";
  +    version = "2021-05-12";
       src = fetchFromGitHub {
         owner = "ziglang";
         repo = "zig.vim";
  -      rev = "fc32adfada0fac7a2f6088672e177d410c9e3ae1";
  -      sha256 = "051l2dig6861xzl6zg41d6a776jhms7v6a86cap1ipd2rxkqh5yh";
  +      rev = "9ec189bc76ed2850f916394ed8d6127290f51338";
  +      sha256 = "0xl2pxgmam5ls7a59bdvx3gyzcgsq3wvgby2c5667627kcq05j6s";
       };
       meta.homepage = "https://github.com/ziglang/zig.vim/";
     };
  
positive.code: 
    vim-clap = buildVimPluginFrom2Nix {
      pname = "vim-clap";
      version = "2021-05-06";
      src = fetchFromGitHub {
        owner = "liuchengxu";
        repo = "vim-clap";
        rev = "236919da99a534307e5cf2b204ddf1e3c1a1816e";
        sha256 = "0vajjv8nw41n783vsfqy72z4r3m36s7wkfxs96scpga18v3xgqng";
      };
      meta.homepage = "https://github.com/liuchengxu/vim-clap/";
    };
  
negative.code: 
    barbar-nvim = buildVimPluginFrom2Nix {
      pname = "barbar-nvim";
      version = "2021-05-11";
      src = fetchFromGitHub {
        owner = "romgrk";
        repo = "barbar.nvim";
        rev = "78ab34de8c77e2e230502945bd4d156af5d54ab8";
        sha256 = "0smbf73i0ingvagxyjk6lb6g2axr6mgqk74c8w27504bnvay7y0w";
      };
      meta.homepage = "https://github.com/romgrk/barbar.nvim/";
    };
  