plugins/lsp/efmls-configs: respect tool packages availability

plugins/lsp/language-servers/efmls-configs.nix

@@ -11,7 +11,7 @@ with lib; let
   languages = builtins.attrNames tools;
 
   # Mapping of tool name to the nixpkgs package (if any)
-  toolPkgs = with pkgs; {
+  allToolPkgs = with pkgs; {
     inherit
       actionlint
       alejandra
@@ -99,6 +99,16 @@ with lib; let
     write_good = write-good;
     yq = yq-go;
   };
+  # Filter packages that are not compatible with the current platform
+  toolPkgs =
+    filterAttrs
+    (
+      a: pkg:
+        meta.availableOn
+        pkgs.stdenv.hostPlatform
+        pkg
+    )
+    allToolPkgs;
 in {
   options.plugins.efmls-configs = {
     enable = mkEnableOption "efmls-configs, premade configurations for efm-langserver";
@@ -249,6 +259,14 @@ in {
         extraOptions.settings.languages = setupOptions;
       };
 
-      extraPackages = [pkgs.efm-langserver] ++ (builtins.map (v: toolPkgs.${v}) nixvimPkgs.right);
+      extraPackages =
+        [
+          pkgs.efm-langserver
+        ]
+        ++ (
+          builtins.map
+          (v: toolPkgs.${v})
+          nixvimPkgs.right
+        );
     };
 }

tests/test-sources/plugins/lsp/efmls-configs.nix

@@ -1,4 +1,8 @@
-{efmls-options, ...}: {
+{
+  efmls-options,
+  pkgs,
+  ...
+}: {
   empty = {
     plugins.efmls-configs.enable = true;
   };
@@ -16,27 +20,41 @@
         "phpstan"
       ];
 
-      unpackaged = [
-        "blade_formatter"
-        "cspell"
-        "dartanalyzer"
-        "debride"
-        "fecs"
-        "fixjson"
-        "forge_fmt"
-        "gersemi"
-        "js_standard"
-        "pint"
-        "prettier_eslint"
-        "prettier_standard"
-        "redpen"
-        "reek"
-        "rome"
-        "slim_lint"
-        "solhint"
-        "sorbet"
-        "xo"
-      ];
+      unpackaged =
+        [
+          "blade_formatter"
+          "cspell"
+          "dartanalyzer"
+          "debride"
+          "fecs"
+          "fixjson"
+          "forge_fmt"
+          "gersemi"
+          "js_standard"
+          "pint"
+          "prettier_eslint"
+          "prettier_standard"
+          "redpen"
+          "reek"
+          "rome"
+          "slim_lint"
+          "solhint"
+          "sorbet"
+          "xo"
+        ]
+        ++ (
+          pkgs.lib.optionals
+          pkgs.stdenv.isDarwin
+          ["clazy"]
+        )
+        ++ (
+          pkgs.lib.optionals
+          pkgs.stdenv.isAarch64
+          [
+            "dmd"
+            "smlfmt"
+          ]
+        );
 
       # Fetch the valid enum members from the tool options
       toolsFromOptions = opt: let