another one :D

home/etc/neovim/plugins/lualine.nix

@@ -0,0 +1,47 @@
+{
+  programs.nixvim.plugins.lualine = {
+    enable = true;
+    theme = "gruvbox-material";
+
+    globalstatus = true;
+
+    # +-------------------------------------------------+
+    # | A | B | C                             X | Y | Z |
+    # +-------------------------------------------------+
+    sections = {
+      lualine_a = ["mode"];
+      lualine_b = ["branch"];
+      lualine_c = ["filename" "diff"];
+
+      lualine_x = [
+        "diagnostics"
+
+        # Show active language server
+        {
+          name.__raw = ''
+            function()
+                local msg = ""
+                local buf_ft = vim.api.nvim_buf_get_option(0, 'filetype')
+                local clients = vim.lsp.get_active_clients()
+                if next(clients) == nil then
+                    return msg
+                end
+                for _, client in ipairs(clients) do
+                    local filetypes = client.config.filetypes
+                    if filetypes and vim.fn.index(filetypes, buf_ft) ~= -1 then
+                        return client.name
+                    end
+                end
+                return msg
+            end
+          '';
+          icon = "";
+          color.fg = "#ffffff";
+        }
+        "encoding"
+        "fileformat"
+        "filetype"
+      ];
+    };
+  };
+}