anchor.diff:  
     nvim-treesitter = buildVimPluginFrom2Nix {
       pname = "nvim-treesitter";
  -    version = "2020-08-26";
  +    version = "2020-08-31";
       src = fetchFromGitHub {
         owner = "nvim-treesitter";
         repo = "nvim-treesitter";
  -      rev = "e8fa0d0b31954314528bb88de3b8357af75d21fd";
  -      sha256 = "0rczmzzcc82499bbbvz4bfpv8llkzz21hx7i2pz3471c2c97s3hn";
  +      rev = "5948aba886e8aad26043402684cf85c307813c4d";
  +      sha256 = "1x9pmxwm3lh5w7d22danp8r8g5hycxl1w8q8d1milx882qsjwnqa";
       };
       meta.homepage = "https://github.com/nvim-treesitter/nvim-treesitter/";
     };
  
positive.code: 
    vim-airline = buildVimPluginFrom2Nix {
      pname = "vim-airline";
      version = "2020-08-25";
      src = fetchFromGitHub {
        owner = "vim-airline";
        repo = "vim-airline";
        rev = "5d3cfa40453fd8216be6ca68e9bd3846eed05176";
        sha256 = "150mdgmbyqp263rzmhp09a07547whalkbvzr9mi4jaq7paj21762";
      };
      meta.homepage = "https://github.com/vim-airline/vim-airline/";
    };
  
    vim-airline-themes = buildVimPluginFrom2Nix {
      pname = "vim-airline-themes";
      version = "2020-08-25";
      src = fetchFromGitHub {
        owner = "vim-airline";
        repo = "vim-airline-themes";
        rev = "fd855c601c3d53b68f3971e1191f84c728d4d651";
        sha256 = "07s45ck4001lxrzpxcvqsyqfg6j61js4131gxi150y7jb2wwyjjd";
      };
      meta.homepage = "https://github.com/vim-airline/vim-airline-themes/";
    };
  
negative.code: 
    vim-graphql = buildVimPluginFrom2Nix {
      pname = "vim-graphql";
      version = "2020-08-31";
      src = fetchFromGitHub {
        owner = "jparise";
        repo = "vim-graphql";
        rev = "e64fba4ee17fa8dd391405982500c72d68fc50b9";
        sha256 = "1pf0lpjy88hwmxn3lybjkq10w6s666wmpbzsfkjbp8xmqhzlvaf6";
      };
      meta.homepage = "https://github.com/jparise/vim-graphql/";
    };
  