Merge pull request #129993 from hercules-ci/fix-mkFixStrictness

Fix lib.mkFixStrictness and deprecate

lib/default.nix

@@ -116,7 +116,7 @@ let
       pushDownProperties dischargeProperties filterOverrides
       sortProperties fixupOptionType mkIf mkAssert mkMerge mkOverride
       mkOptionDefault mkDefault mkForce mkVMOverride
-      mkOrder mkBefore mkAfter mkAliasDefinitions
+      mkFixStrictness mkOrder mkBefore mkAfter mkAliasDefinitions
       mkAliasAndWrapDefinitions fixMergeModules mkRemovedOptionModule
       mkRenamedOptionModule mkMergedOptionModule mkChangedOptionModule
       mkAliasOptionModule doRename;

lib/modules.nix

@@ -713,6 +713,8 @@ rec {
   mkForce = mkOverride 50;
   mkVMOverride = mkOverride 10; # used by ‘nixos-rebuild build-vm’
 
+  mkFixStrictness = lib.warn "lib.mkFixStrictness has no effect and will be removed. It returns its argument unmodified, so you can just remove any calls." id;
+
   mkOrder = priority: content:
     { _type = "order";
       inherit priority content;