flake: deprecate .lib.lib

default.nix

@@ -1,9 +1,9 @@
 { lib ? import <nixpkgs/lib>
 , rootMountPoint ? "/mnt"
 , checked ? false
+, diskoLib ? import ./lib { inherit lib rootMountPoint; }
 }:
 let
-  diskoLib = import ./lib { inherit lib rootMountPoint; };
   eval = cfg: lib.evalModules {
     modules = lib.singleton {
       # _file = toString input;
@@ -17,7 +17,7 @@ let
   };
 in
 {
-  lib = diskoLib;
+  lib = lib.warn "the .lib.lib output is deprecated" diskoLib;
 
   # legacy alias
   create = cfg: builtins.trace "the create output is deprecated, use format instead" (eval cfg).config.disko.devices._create;

flake.nix

@@ -19,7 +19,7 @@
     {
       nixosModules.default = self.nixosModules.disko; # convention
       nixosModules.disko = import ./module.nix;
-      lib = import ./. {
+      lib = import ./lib {
         inherit (nixpkgs) lib;
       };
       packages = forAllSystems (system:

lib/default.nix

@@ -7,7 +7,7 @@ with lib;
 with builtins;
 
 let
-
+  outputs = import ../default.nix { inherit lib diskoLib; };
   diskoLib = {
 
     # like make-disk-image.nix from nixpkgs, but with disko config
@@ -19,7 +19,7 @@ let
     testLib = import ./tests.nix { inherit lib makeTest eval-config; };
     # like lib.types.oneOf but instead of a list takes an attrset
     # uses the field "type" to find the correct type in the attrset
-    subType = { types, extraArgs ? { parent = { type = "rootNode"; name = "root"; }; } }: lib.mkOptionType rec {
+    subType = { types, extraArgs ? { parent = { type = "rootNode"; name = "root"; }; } }: lib.mkOptionType {
       name = "subType";
       description = "one of ${concatStringsSep "," (attrNames types)}";
       check = x: if x ? type then types.${x.type}.check x else throw "No type option set in:\n${generators.toPretty {} x}";
@@ -584,6 +584,6 @@ let
         (lib.attrNames (builtins.readDir ./types))
     );
 
-  };
+  } // outputs;
 in
 diskoLib