anchor.diff:        ln -s $extraUtils/share/plymouth/logo.png /etc/plymouth/logo.png
         ln -s $extraUtils/share/plymouth/themes /etc/plymouth/themes
         ln -s $extraUtils/lib/plymouth /etc/plymouth/plugins
  +      ln -s $extraUtils/etc/fonts /etc/fonts
   
         plymouthd --mode=boot --pid-file=/run/plymouth/pid --attach-to-session
         plymouth show-splash
  
positive.code:     boot.plymouth = {
  
        enable = mkEnableOption "Plymouth boot splash screen";
  
        themePackages = mkOption {
          default = [ nixosBreezePlymouth ];
  
negative.code: 
        mkdir -p $out/lib/plymouth/renderers
        # module might come from a theme
        cp ${themesEnv}/lib/plymouth/{text,details,label,$moduleName}.so $out/lib/plymouth
        cp ${plymouth}/lib/plymouth/renderers/{drm,frame-buffer}.so $out/lib/plymouth/renderers
  
        mkdir -p $out/share/plymouth/themes
  