clan/checks: fix clanLib not checking

flakeModules/clan.nix

@@ -39,21 +39,6 @@ in
           };
           modules = [
             clan-core.modules.clan.default
-            {
-              checks.minNixpkgsVersion = {
-                assertion = lib.versionAtLeast nixpkgs.lib.version "25.11";
-                message = ''
-                  Nixpkgs version: ${nixpkgs.lib.version} is incompatible with clan-core. (>= 25.11 is recommended)
-                  ---
-                  Your version of 'nixpkgs' seems too old for clan-core.
-                  Please read: https://docs.clan.lol/guides/nixpkgs-flake-input
-
-                  You can ignore this check by setting:
-                  clan.checks.minNixpkgsVersion.ignore = true;
-                  ---
-                '';
-              };
-            }
           ];
         };
         # Important: !This logic needs to be kept in sync with lib.clan function!

lib/dir_test.nix

@@ -53,7 +53,12 @@ in
             };
           };
         }).clan
-          { config.directory = rootPath; };
+          {
+            directory = rootPath;
+            self = {
+              inputs.nixpkgs.lib.version = "25.11";
+            };
+          };
     in
     {
       inherit vclan;
@@ -94,7 +99,12 @@ in
             };
           };
         }).clan
-          { config.directory = rootPath; };
+          {
+            directory = rootPath;
+            self = {
+              inputs.nixpkgs.lib.version = "25.11";
+            };
+          };
     in
     {
       inherit vclan;

modules/clan/checks.nix

@@ -0,0 +1,16 @@
+{ lib, nixpkgs, ... }:
+{
+  checks.minNixpkgsVersion = {
+    assertion = lib.versionAtLeast nixpkgs.lib.version "25.11";
+    message = ''
+      Nixpkgs version: ${nixpkgs.lib.version} is incompatible with clan-core. (>= 25.11 is recommended)
+      ---
+      Your version of 'nixpkgs' seems too old for clan-core.
+      Please read: https://docs.clan.lol/guides/nixpkgs-flake-input
+
+      You can ignore this check by setting:
+      clan.checks.minNixpkgsVersion.ignore = true;
+      ---
+    '';
+  };
+}

modules/clan/default.nix

@@ -19,5 +19,6 @@
   imports = [
     ./top-level-interface.nix
     ./module.nix
+    ./checks.nix
   ];
 }