modules/outputs/initramfs.nix

@@ -75,7 +75,7 @@ in
           mv out $out
         '';
       systemConfiguration =
-        pkgs.systemconfig config.filesystem.contents;
+        pkgs.systemconfig config.filesystem.contents config.hostname;
     };
   };
 }

pkgs/levitate/default.nix

@@ -74,7 +74,7 @@ let
           ../../modules/s6
         ];
       };
-    in systemconfig eval.config.filesystem.contents;
+    in systemconfig eval.config.filesystem.contents eval.config.hostname;
 in writeScriptBin "levitate"  ''
   #!/bin/sh
   destdir=${newRoot}

pkgs/systemconfig/default.nix

@@ -62,10 +62,10 @@ let
       ${(builtins.concatStringsSep "\n" (visit "." attrset))}
     }
   '';
-in attrset:
+in attrset: hostname:
   let makedevs = activateScript attrset;
   in stdenv.mkDerivation {
-    name="make-stuff";
+    name="${hostname}-system-configuration";
     src = ./.;
 
     CFLAGS = "-Os";