···

       
178
       
178
       
 
       
      default = false;

     

       
179
       
179
       
 
       
      description = ''

     

       
180
       
180
       
 
       
        If enabled, copies the NixOS configuration file

     

       
181
       
181
       
-
       
        <literal>$NIXOS_CONFIG</literal> (usually

     

       
182
       
182
       
-
       
        <filename>/etc/nixos/configuration.nix</filename>)

     

       
183
       
183
       
-
       
        to the system store path.

     

       
181
       
181
       
+
       
        (usually <filename>/etc/nixos/configuration.nix</filename>)

     

       
182
       
182
       
+
       
        and links it from the resulting system

     

       
183
       
183
       
+
       
        (getting to <filename>/run/current-system/configuration.nix</filename>).

     

       
184
       
184
       
+
       
        Note that only this single file is copied, even if it imports others.

     

       
184
       
185
       
 
       
      '';

     

       
185
       
186
       
 
       
    };

     

       
186
       
187
       
 
       


     
···

       
238
       
239
       
 
       
    system.extraSystemBuilderCmds =

     

       
239
       
240
       
 
       
      optionalString

     

       
240
       
241
       
 
       
        config.system.copySystemConfiguration

     

       
241
       
241
       
-
       
        "cp ${maybeEnv "NIXOS_CONFIG" "/etc/nixos/configuration.nix"} $out";

     

       
242
       
242
       
+
       
        ''ln -s '${import ../../../lib/from-env.nix "NIXOS_CONFIG" <nixos-config>}' \

     

       
243
       
243
       
+
       
            "$out/configuration.nix"

     

       
244
       
244
       
+
       
        '';

     

       
242
       
245
       
 
       


     

       
243
       
246
       
 
       
    system.build.toplevel = system;

     

       
244
       
247