···

       
1
       
 
       
{ ... } :

     

       
2
       
 
       
{

     

       
3
       
-
       
  networking.networkmanager.ethernet.macAddress = builtins.readFile ../creds/nma.cry;

     

       
4
       
 
       
}

     

···

       
1
       
 
       
{ ... } :

     

       
2
       
 
       
{

     

       
3
       
+
       
  networking.networkmanager.ethernet.macAddress = builtins.readFile ../nma.cry;

     

       
4
       
 
       
}