anchor.diff:          let mapleader = ' '
           nnoremap <Leader>p :FZF<CR>
           nnoremap <silent> <Leader>e :exe 'FZF ' . expand('%:h')<CR>
  +
  +        source $HOME/.vimrc.local
         '';
         vimrcConfig.vam.pluginDictionaries = [
           { names = [ "fzfWrapper" "youcompleteme" "fugitive" "surround" "vim-nix" "colors-solarized" ]; }
  
positive.code:             "")       return 1 ;;
            esac
          }
        '';
      };
  
  
negative.code:         export PATH=$HOME/.nix-profile/bin:$HOME/.nix-profile/bin''${PATH:+:$PATH}
  
          export NIX_PATH=nixpkgs=$HOME/.nix-defexpr/nixpkgs
  
          # Set up secure multi-user builds: non-root users build through the
          # Nix daemon.
          if [ "$USER" != root -a ! -w /nix/var/nix/db ]; then
              export NIX_REMOTE=daemon
          fi
  
          nixdarwin-rebuild () {
            case $1 in
  