···

       
47
       
47
       
 
       
</orderedlist>

     

       
48
       
48
       
 
       
</para>

     

       
49
       
49
       
 
       


     

       
50
       
50
       
-
       
<para>For the second and third options overlays can be provided as files, 

     

       
50
       
50
       
+
       
<para>For the second and third options, overlays are extracted from the given directory as files, 

     

       
51
       
51
       
 
       
directories containing a <filename>default.nix</filename>, or symlinks to one of those.</para>

     

       
52
       
52
       
 
       


     

       
53
       
53
       
 
       
<para>The last option provides a convenient way to install an overlay from a repository,