anchor.diff:  
     vim-test = buildVimPluginFrom2Nix {
       pname = "vim-test";
  -    version = "2021-04-06";
  +    version = "2021-05-18";
       src = fetchFromGitHub {
         owner = "vim-test";
         repo = "vim-test";
  -      rev = "206eb5492b4afa03c31cea529aa917b4a7085d10";
  -      sha256 = "084yaqw0zw1bc4y4pk1vdb58vza7dn31phjr53dvwdj0kyl7j088";
  +      rev = "0671670b1ee4bdc7552aba2972800bec66fffbe7";
  +      sha256 = "067sgc4qmplb3b1ddjwqzgfn4fvb7zgic330sygnbm6nq3nr0n92";
       };
       meta.homepage = "https://github.com/vim-test/vim-test/";
     };
  
positive.code: 
    nvim-compe = buildVimPluginFrom2Nix {
      pname = "nvim-compe";
      version = "2021-05-06";
      src = fetchFromGitHub {
        owner = "hrsh7th";
        repo = "nvim-compe";
        rev = "efe3a6614e74c5eafec89e5b256ea514c5e1ea15";
        sha256 = "00n9bh8m89jrg4jqaz34c8sp7y1h5x3v06xjir465635g66vq20h";
      };
      meta.homepage = "https://github.com/hrsh7th/nvim-compe/";
    };
  
negative.code: 
    nvim-hlslens = buildVimPluginFrom2Nix {
      pname = "nvim-hlslens";
      version = "2021-05-18";
      src = fetchFromGitHub {
        owner = "kevinhwang91";
        repo = "nvim-hlslens";
        rev = "6ca5fc6cd9fab32039a73bba4f14d33d47e87953";
        sha256 = "1fm979m1g24pk9lx34wvdm4awvr08plhxb13c55j5fq24wf00y8h";
      };
      meta.homepage = "https://github.com/kevinhwang91/nvim-hlslens/";
    };
  