anchor.diff:  { config, pkgs, ... }:
   
   {
  -    programs.zsh = { 
  +  programs.zsh = {
  +    enable = true;
  +    history = {
  +      size = 102400;
  +      save = 102400;
  +      ignoreDups = true;
  +      expireDuplicatesFirst = true;
  +      share = true;
  +    };
  +    enableAutosuggestions = true;
  +    enableCompletion = true;
  +    oh-my-zsh = {
         enable = true;
  -      history = { 
  -        size = 102400;
  -        save = 102400;
  -        ignoreDups = true;
  -        expireDuplicatesFirst = true;
  -        share = true; 
  -      };
  -      enableAutosuggestions = true;
  -      enableCompletion = true;
  -      oh-my-zsh = {
  -        enable = true;
  -        plugins = [ "vi-mode" "git" "python" "syntax-highlighting" "history-substring-search" "spectrum" "sshi" "prompt" "gpg" "autosuggestions" "tmux" ];
  -      };
  -	  plugins = [
  -		  {
  -			name = "spaceship";
  -			file = "spaceship.zsh";
  -			src = pkgs.fetchgit {
  -			  url = "https://github.com/denysdovhan/spaceship-prompt";
  -			  rev = "v3.11.1";
  -			  sha256 = "0habry3r6wfbd9xbhw10qfdar3h5chjffr5pib4bx7j4iqcl8lw8";
  -			};
  -	  }];
  +      plugins = [ "vi-mode" "git" "python" "history-substring-search" "tmux" ];
  +    };
  +    plugins = [
  +      {
  +        name = "spaceship";
  +        file = "spaceship.zsh";
  +        src = pkgs.fetchgit {
  +          url = "https://github.com/denysdovhan/spaceship-prompt";
  +          rev = "v3.11.1";
  +          sha256 = "0habry3r6wfbd9xbhw10qfdar3h5chjffr5pib4bx7j4iqcl8lw8";
  +        };
  +      }];
         initExtra = ''
           SPACESHIP_TIME_SHOW=true
           SPACESHIP_EXIT_CODE_SHOW=true
  
positive.code:         export PATH="$HOME/.rvm/bin:$PATH";
          export PATH="$HOME/.cargo/bin:$PATH";
          export PATH="$HOME/.yarn/bin:$HOME/.config/yarn/global/node_modules/.bin:$PATH";
          '';
        sessionVariables = { 
          TERM="xterm-256color"; 
          EDITOR="vim";
          VISUAL="vim";
          PAGER="less";
  
negative.code:         SPACESHIP_BATTERY_THRESHOLD=30
          ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE='fg=238'
          setopt HIST_IGNORE_ALL_DUPS
        '';
        profileExtra = ''
          export PATH="$HOME/programs:$PATH";
          export PATH="$HOME/tools:$PATH";
  