anchor.diff:          pkgs.deepin.dde-calendar
           pkgs.deepin.dde-daemon
           pkgs.deepin.dde-dock
  +        pkgs.deepin.dde-file-manager
           pkgs.deepin.dde-session-ui
           pkgs.deepin.deepin-anything
           pkgs.deepin.deepin-image-viewer
  
positive.code:         pkgs.deepin.dde-calendar
          pkgs.deepin.dde-daemon
          pkgs.deepin.dde-dock
          pkgs.deepin.dde-session-ui
          pkgs.deepin.deepin-anything
          pkgs.deepin.deepin-image-viewer
  
negative.code:       systemd.packages = [
          pkgs.deepin.dde-api
          pkgs.deepin.dde-daemon
          pkgs.deepin.dde-file-manager
          pkgs.deepin.deepin-anything
        ];
  
  