Made cmd argument of nil_ls a list

modules/plugins/languages/nix.nix

@@ -4,8 +4,7 @@
   lib,
   inputs,
   ...
-}:
-let
+}: let
   inherit (builtins) attrNames;
   inherit (lib) concatStringsSep mkLuaInline;
   inherit (lib.meta) getExe;
@@ -13,7 +12,8 @@ let
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.lists) isList;
   inherit (lib.strings) optionalString;
-  inherit (lib.types)
+  inherit
+    (lib.types)
     anything
     attrsOf
     enum
@@ -32,32 +32,37 @@ let
   noFormat = "on_attach = attach_keymaps";
 
   defaultServer = "nil";
-  packageToCmd =
-    package: defaultCmd:
-    if isList package then expToLua package else ''{"${package}/bin/${defaultCmd}"}'';
+  packageToCmd = package: defaultCmd:
+    if isList package
+    then expToLua package
+    else ''{"${package}/bin/${defaultCmd}"}'';
   servers = {
     nil = {
       package = inputs.nil.packages.${pkgs.stdenv.system}.nil;
       internalFormatter = true;
       lspConfig = ''lspconfig.nil_ls.setup ${
-        toLuaObject {
-          capabilities = mkLuaInline "capabilities";
-          on_attach = if cfg.format.enable then mkLuaInline "default_on_attach" else "attach_keymaps";
-          cmd = packageToCmd cfg.lsp.package "nil";
-          settings.nil = {
-            formatting.command =
-              if cfg.format.enable then
-                if cfg.format.type == "alejandra" then
-                  ''{"${cfg.format.package}/bin/alejandra", "--quiet"}''
-                else if cfg.format.type == "nixfmt" then
-                  ''{"${cfg.format.package}/bin/nixfmt"}''
-                else
-                  null
-              else
-                null;
-          } // cfg.lsp.options;
-        }
-      }'';
+          toLuaObject {
+            capabilities = mkLuaInline "capabilities";
+            on_attach =
+              if cfg.format.enable
+              then mkLuaInline "default_on_attach"
+              else "attach_keymaps";
+            cmd = [(packageToCmd cfg.lsp.package "nil")];
+            settings.nil =
+              {
+                formatting.command =
+                  if cfg.format.enable
+                  then
+                    if cfg.format.type == "alejandra"
+                    then ''{"${cfg.format.package}/bin/alejandra", "--quiet"}''
+                    else if cfg.format.type == "nixfmt"
+                    then ''{"${cfg.format.package}/bin/nixfmt"}''
+                    else null
+                  else null;
+              }
+              // cfg.lsp.options;
+          }
+        }'';
       # lspConfig = ''
       #   lspconfig.nil_ls.setup{
       #     capabilities = capabilities,
@@ -94,7 +99,11 @@ let
       lspConfig = ''
         lspconfig.nixd.setup{
           capabilities = capabilities,
-        ${if cfg.format.enable then useFormat else noFormat},
+        ${
+          if cfg.format.enable
+          then useFormat
+          else noFormat
+        },
           cmd = ${packageToCmd cfg.lsp.package "nixd"},
         ${optionalString cfg.format.enable ''
           settings = {
@@ -158,22 +167,25 @@ let
       '';
     };
   };
-in
-{
+in {
   options.vim.languages.nix = {
     enable = mkEnableOption "Nix language support";
 
     treesitter = {
-      enable = mkEnableOption "Nix treesitter" // {
-        default = config.vim.languages.enableTreesitter;
-      };
+      enable =
+        mkEnableOption "Nix treesitter"
+        // {
+          default = config.vim.languages.enableTreesitter;
+        };
       package = mkGrammarOption pkgs "nix";
     };
 
     lsp = {
-      enable = mkEnableOption "Nix LSP support" // {
-        default = config.vim.lsp.enable;
-      };
+      enable =
+        mkEnableOption "Nix LSP support"
+        // {
+          default = config.vim.lsp.enable;
+        };
       server = mkOption {
         description = "Nix LSP server to use";
         type = enum (attrNames servers);
@@ -195,9 +207,11 @@ in
     };
 
     format = {
-      enable = mkEnableOption "Nix formatting" // {
-        default = config.vim.languages.enableFormat;
-      };
+      enable =
+        mkEnableOption "Nix formatting"
+        // {
+          default = config.vim.languages.enableFormat;
+        };
 
       type = mkOption {
         description = "Nix formatter to use";
@@ -213,9 +227,11 @@ in
     };
 
     extraDiagnostics = {
-      enable = mkEnableOption "extra Nix diagnostics" // {
-        default = config.vim.languages.enableExtraDiagnostics;
-      };
+      enable =
+        mkEnableOption "extra Nix diagnostics"
+        // {
+          default = config.vim.languages.enableExtraDiagnostics;
+        };
 
       types = diagnostics {
         langDesc = "Nix";
@@ -247,7 +263,7 @@ in
 
     (mkIf cfg.treesitter.enable {
       vim.treesitter.enable = true;
-      vim.treesitter.grammars = [ cfg.treesitter.package ];
+      vim.treesitter.grammars = [cfg.treesitter.package];
     })
 
     (mkIf cfg.lsp.enable {
@@ -258,7 +274,7 @@ in
     (mkIf (cfg.format.enable && (!cfg.lsp.enable || !servers.${cfg.lsp.server}.internalFormatter)) {
       vim.formatter.conform-nvim = {
         enable = true;
-        setupOpts.formatters_by_ft.nix = [ cfg.format.type ];
+        setupOpts.formatters_by_ft.nix = [cfg.format.type];
         setupOpts.formatters.${cfg.format.type} = {
           command = getExe cfg.format.package;
         };
@@ -272,7 +288,8 @@ in
         linters = mkMerge (
           map (name: {
             ${name}.cmd = getExe diagnosticsProviders.${name}.package;
-          }) cfg.extraDiagnostics.types
+          })
+          cfg.extraDiagnostics.types
         );
       };
     })