anchor.diff:  
     nix.binaryCachePublicKeys = [ "cache.daiderd.com-1:R8KOWZ8lDaLojqD+v9dzXAqGn29gEzPTTbr/GIpCTrI=" ];
     nix.trustedBinaryCaches = [ https://d3i7ezr9vxxsfy.cloudfront.net ];
  -  nix.trustedUsers = [ "@admin" ];
   
     nix.useSandbox = true;
  -  nix.sandboxPaths = [ "/System/Library/Frameworks" "/System/Library/PrivateFrameworks" "/usr/lib" "/private/tmp" "/private/var/tmp" "/usr/bin/env" ];
  +  nix.sandboxPaths = [ "/private/tmp" "/private/var/tmp" "/usr/bin/env" ];
   
     programs.nix-index.enable = true;
   
  
positive.code:       config.services.chunkwm.package
  
        pkgs.awscli
        pkgs.bear
        pkgs.brotli
        pkgs.ctags
        pkgs.curl
  
negative.code:   '';
  
    programs.zsh.loginShellInit = ''
      reexec() {
          unset __NIX_DARWIN_SET_ENVIRONMENT_DONE
          unset __ETC_ZPROFILE_SOURCED __ETC_ZSHENV_SOURCED __ETC_ZSHRC_SOURCED
  