anchor.diff:  
     vim-devicons = buildVimPluginFrom2Nix {
       pname = "vim-devicons";
  -    version = "2020-07-04";
  +    version = "2020-07-05";
       src = fetchFromGitHub {
         owner = "ryanoasis";
         repo = "vim-devicons";
  -      rev = "1ac58941ba3da654c0e1060e3d6077c5cf93427e";
  -      sha256 = "1mzmlza640iikip0l9fpm8v3g5b6k6ijxc1z7gj1fdfz145zvsli";
  +      rev = "028673dc93a978225c897b4913dd21b48dc35a7e";
  +      sha256 = "034nna0vaxbizg4d4pqw9qmn691fz707dxga82n9m9id1hz9wi0b";
       };
       meta.homepage = "https://github.com/ryanoasis/vim-devicons/";
     };
  
positive.code: 
    coc-rust-analyzer = buildVimPluginFrom2Nix {
      pname = "coc-rust-analyzer";
      version = "2020-07-04";
      src = fetchFromGitHub {
        owner = "fannheyward";
        repo = "coc-rust-analyzer";
        rev = "6502de6ac34a5f15285530082644d5923986f77e";
        sha256 = "09z1nbp8yr77mr7rn4nbsf278q6qwf6snfdh25il61bal9pvh4cz";
      };
      meta.homepage = "https://github.com/fannheyward/coc-rust-analyzer/";
    };
  
negative.code: 
    calendar-vim = buildVimPluginFrom2Nix {
      pname = "calendar-vim";
      version = "2020-07-07";
      src = fetchFromGitHub {
        owner = "itchyny";
        repo = "calendar.vim";
        rev = "dec99ba2de364773f06b23b907db137f1b52a449";
        sha256 = "1c89x4a4mrbb1l0avxazcxgwqapdw1ndqjhviij69ifybpi81jrn";
      };
      meta.homepage = "https://github.com/itchyny/calendar.vim/";
    };
  