···

       
1
       
1
       
 
       
{

     

       
2
       
2
       
-
       
  system.stateVersion = 6; # initial nix-darwin version

     

       
2
       
2
       
+
       
  system.stateVersion = 6; # Initial nix-darwin version

     

       
3
       
3
       
 
       
}