anchor.diff:  
     rust-tools-nvim = buildVimPluginFrom2Nix {
       pname = "rust-tools.nvim";
  -    version = "2022-03-26";
  +    version = "2022-05-01";
       src = fetchFromGitHub {
         owner = "simrat39";
         repo = "rust-tools.nvim";
  -      rev = "9f89fe6d9762ef89973bbb698c750dd21b94ec44";
  -      sha256 = "0r1k71rjlcly5pyi1vdzr22xdssikzsm5q4g2xzjp9v497fycg1h";
  +      rev = "fe900a3d6028df4e7b7c89e8b0bf05b86af462ac";
  +      sha256 = "0mkbq5rk86jz5ckj1bg7z0s5x3j8kcldfc57gdk8r48bjkirds42";
       };
       meta.homepage = "https://github.com/simrat39/rust-tools.nvim/";
     };
  
positive.code: 
    vim-flagship = buildVimPluginFrom2Nix {
      pname = "vim-flagship";
      version = "2021-12-07";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-flagship";
        rev = "7f3aab5e3f1b48df9f9465b8cd55f9d2a1564087";
        sha256 = "0vfihdwabl41wdavzppsim6sza8mjynpnb3my85di5xn5mgcmixp";
      };
      meta.homepage = "https://github.com/tpope/vim-flagship/";
    };
  
negative.code: 
    everforest = buildVimPluginFrom2Nix {
      pname = "everforest";
      version = "2022-04-27";
      src = fetchFromGitHub {
        owner = "sainnhe";
        repo = "everforest";
        rev = "1e594a20ce382bcc55c0e3fd488e90ca68dffb32";
        sha256 = "1415759zc6fp39h0xzpb2d99m4xsh5ma84j6yv236zb0bavm88ah";
      };
      meta.homepage = "https://github.com/sainnhe/everforest/";
    };
  