anchor.diff:  
     calendar-vim = buildVimPluginFrom2Nix {
       pname = "calendar-vim";
  -    version = "2019-01-18";
  +    version = "2019-07-20";
       src = fetchFromGitHub {
         owner = "itchyny";
         repo = "calendar.vim";
  -      rev = "5954cef560ea19e077b1811a4bcbe831a33e2499";
  -      sha256 = "0gz55ql0dqmg3cd0y46adkj3s61ar6j1w17n7643y0rd7mndcnqa";
  +      rev = "cf9ddfe0eb36a4d57a1240735360385e3ed5534c";
  +      sha256 = "0504wl874fr0lzv48l8khfrx4l59c6bklndvrgmf5xj9ppz72hza";
       };
     };
   
  
positive.code: 
    vim-fugitive = buildVimPluginFrom2Nix {
      pname = "vim-fugitive";
      version = "2019-07-13";
      src = fetchFromGitHub {
        owner = "tpope";
        repo = "vim-fugitive";
        rev = "4da9fb8f43869125f6e1bb1ff8dd27f315623835";
        sha256 = "001jl2cvdwszhhjfjmb4mkvffkq28mqc72bgy12119zprc8z3kaa";
      };
    };
  
  
negative.code: 
    coc-smartf = buildVimPluginFrom2Nix {
      pname = "coc-smartf";
      version = "2019-07-19";
      src = fetchFromGitHub {
        owner = "neoclide";
        repo = "coc-smartf";
        rev = "12e76fcadda3f0bb16c64b2db2a1f8cd8025c47a";
        sha256 = "0dfr7dcrnf40flcvdydywy5xmpxbrfswcq6vj12kjbwkcxlisj0s";
      };
    };
  
    coc-snippets = buildVimPluginFrom2Nix {
      pname = "coc-snippets";
      version = "2019-07-18";
      src = fetchFromGitHub {
        owner = "neoclide";
        repo = "coc-snippets";
        rev = "6c89beeb6d654a8777385f59cd579ef34e132daf";
        sha256 = "0jr87y66miarkxsmgh16si2nshi2flla96m2w8kjlyb0ksz96kv2";
      };
    };
  
  