anchor.diff:  
     coc-nvim = buildVimPluginFrom2Nix {
       pname = "coc-nvim";
  -    version = "2021-06-15";
  +    version = "2021-06-16";
       src = fetchFromGitHub {
         owner = "neoclide";
         repo = "coc.nvim";
  -      rev = "6e55e524faf7afd229e44add0cfdad8a03f2e5d5";
  -      sha256 = "1d4mgk0yyca0pyq0ibi2b1l62sbrss2w012zvy5260cgz2n5lirg";
  +      rev = "0692698256a55c0c9c2f12988f12dc68b00890ad";
  +      sha256 = "0ncdjkgg0yi76rklzhvysiaczh85gwbbsyxnn6z29g5clxcar3j0";
       };
       meta.homepage = "https://github.com/neoclide/coc.nvim/";
     };
  
positive.code: 
    vim-ultest = buildVimPluginFrom2Nix {
      pname = "vim-ultest";
      version = "2021-06-10";
      src = fetchFromGitHub {
        owner = "rcarriga";
        repo = "vim-ultest";
        rev = "3c3cbed92722db1046926825c79118afc60e5fb9";
        sha256 = "018hk48sj32mz4bp2sn8qzakw6j7ndd68y70jpnrpqh6kvwikp4n";
      };
      meta.homepage = "https://github.com/rcarriga/vim-ultest/";
    };
  
negative.code: 
    traces-vim = buildVimPluginFrom2Nix {
      pname = "traces-vim";
      version = "2021-06-16";
      src = fetchFromGitHub {
        owner = "markonm";
        repo = "traces.vim";
        rev = "e36a2e45791ef9078de781a781fec70e160044b0";
        sha256 = "1qndaqs38mgkl15n895nzjc98h2cy4gjgr3r72cpwhn9qmzhi5zc";
      };
      meta.homepage = "https://github.com/markonm/traces.vim/";
    };
  