nvim-lint: moved linting into its own global function "nvf_lint(buf)"

modules/plugins/diagnostics/nvim-lint/config.nix

@@ -28,18 +28,9 @@ in {
               end
             end
           end
-        '';
+
-      };
+          function nvf_lint(buf)
-    })
+            local ft = vim.api.nvim_get_option_value("filetype", { buf = buf })
-    (mkIf (cfg.enable && cfg.lint_after_save) {
-      vim = {
-        augroups = [{name = "nvf_nvim_lint";}];
-        autocmds = [
-          {
-            event = ["BufWritePost"];
-            callback = mkLuaInline ''
-              function(args)
-                local ft = vim.api.nvim_get_option_value("filetype", { buf = args.buf })
             local linters = require("lint").linters
             local linters_from_ft = require("lint").linters_by_ft[ft]
 
@@ -73,6 +64,19 @@ in {
             end
           end
         '';
+      };
+    })
+    (mkIf (cfg.enable && cfg.lint_after_save) {
+      vim = {
+        augroups = [{name = "nvf_nvim_lint";}];
+        autocmds = [
+          {
+            event = ["BufWritePost"];
+            callback = mkLuaInline ''
+              function(args)
+                nvf_lint(args.buf)
+              end
+            '';
           }
         ];
       };