anchor.diff:  
     chadtree = buildVimPluginFrom2Nix {
       pname = "chadtree";
  -    version = "2021-04-06";
  +    version = "2021-04-08";
       src = fetchFromGitHub {
         owner = "ms-jpq";
         repo = "chadtree";
  -      rev = "cd20e2323045c7dda2d42af64fa86a7325752a55";
  -      sha256 = "1jhxdfvvdvbar9gdzsjvxs8brckww454f2agf2ariwndakcinqqn";
  +      rev = "012e3f21bf60858308db77f68ef3ee83a333587c";
  +      sha256 = "1q6f0z0mnwg43ri4dzpdzx8n88hr1j32hp3x06zsmfq47rlf4iij";
       };
       meta.homepage = "https://github.com/ms-jpq/chadtree/";
     };
  
positive.code:     src = fetchFromGitHub {
        owner = "wbthomason";
        repo = "packer.nvim";
        rev = "b495895dffca9aabfead066a860b87ab3a67cf7e";
        sha256 = "08anlafdhmxc66yi4h13fkvqpkq1chazmyy8c18nx41af4b0p9bn";
      };
      meta.homepage = "https://github.com/wbthomason/packer.nvim/";
    };
  
negative.code: 
    vimspector = buildVimPluginFrom2Nix {
      pname = "vimspector";
      version = "2021-04-07";
      src = fetchFromGitHub {
        owner = "puremourning";
        repo = "vimspector";
        rev = "7d83419a4f813aee826eee994b8e419b6ff102b0";
        sha256 = "05xlpf3rm54kb6vxkm4gngbxabd58736najdawjxf8y7b6ajv39z";
        fetchSubmodules = true;
      };
      meta.homepage = "https://github.com/puremourning/vimspector/";
  