plugins/efmls: add renames for HTML & JSON setup options

This required adding an internal `warnings` option to the submodule, and
filtering out the aliases and the `warnings` option when iterating over
the setup options.

plugins/by-name/efmls-configs/default.nix

@@ -86,6 +86,24 @@ in
             }
           )
         ) tools;
+
+        # Added 2025-06-25 in https://github.com/nix-community/nixvim/pull/3503
+        imports =
+          map (name: lib.mkRenamedOptionModule [ name ] [ (lib.toLower name) ]) [
+            "HTML"
+            "JSON"
+          ]
+          ++ lib.singleton {
+            # NOTE: we need a warnings option for `mkRenamedOptionModule` to warn about unexpected definitions
+            # This can be removed when all rename aliases are gone
+            options.warnings = lib.mkOption {
+              type = with lib.types; listOf str;
+              description = "Warnings to propagate to nixvim's `warnings` option.";
+              default = [ ];
+              internal = true;
+              visible = false;
+            };
+          };
       };
       description = "Configuration for each filetype. Use `all` to match any filetype.";
       default = { };
@@ -98,13 +116,24 @@ in
       # Tools that have been selected by the user
       tools = lib.lists.unique (
         lib.filter lib.isString (
-          lib.concatMap (
+          lib.concatMap
+            (
               {
                 linter ? [ ],
                 formatter ? [ ],
               }:
               (lib.toList linter) ++ (lib.toList formatter)
-          ) (lib.attrValues cfg.setup)
+            )
+            (
+              lib.attrValues (
+                # Rename aliases added 2025-06-25 in https://github.com/nix-community/nixvim/pull/3503
+                builtins.removeAttrs cfg.setup [
+                  "warnings"
+                  "HTML"
+                  "JSON"
+                ]
+              )
+            )
         )
       );
 
@@ -131,14 +160,22 @@ in
         ) (lib.toList opt);
 
       setupOptions =
-        (lib.mapAttrs (
+        (lib.mapAttrs
+          (
             _:
             {
               linter ? [ ],
               formatter ? [ ],
             }:
             (mkToolValue "linters" linter) ++ (mkToolValue "formatters" formatter)
-        ) (lib.attrsets.filterAttrs (v: _: v != "all") cfg.setup))
+          )
+          (
+            builtins.removeAttrs cfg.setup [
+              "all"
+              "warnings"
+            ]
+          )
+        )
         // {
           "=" =
             (mkToolValue "linters" cfg.setup.all.linter) ++ (mkToolValue "formatters" cfg.setup.all.formatter);
@@ -164,4 +201,9 @@ in
 
       extraPackages = [ cfg.efmLangServerPackage ] ++ (map (v: cfg.toolPackages.${v}) nixvimPkgs.right);
     };
+
+  imports = lib.singleton {
+    # Propagate setup warnings
+    inherit (config.plugins.efmls-configs.setup) warnings;
+  };
 }

tests/test-sources/plugins/by-name/efmls-configs/default.nix

@@ -20,6 +20,11 @@
       toolOptions = builtins.removeAttrs (setup.type.getSubOptions setup.loc) [
         "_freeformOptions"
         "_module"
+
+        # Rename aliases added 2025-06-25 in https://github.com/nix-community/nixvim/pull/3503
+        "warnings"
+        "HTML"
+        "JSON"
       ];
 
       brokenTools =