Fix twilight-nvim by using tokyonight theme which uses treesitter

home/default.nix

@@ -301,9 +301,9 @@ in
       extraConfig = builtins.readFile ./nvim/init.vim;
       plugins = with pkgs.vimPlugins; [
         completion-nvim
-        gruvbox
         # gruvbox-nvim # TODO: Not working for some reason?
         # lush-nvim # required by gruvbox-nvim
+        tokyonight-nvim
         lualine-nvim
         nerdtree
         nvim-lspconfig

home/nvim/init.vim

@@ -57,8 +57,6 @@ au FileType yaml setlocal ts=2 sts=2 sw=2 expandtab
 au BufNewFile,BufRead *.py set tabstop=4 softtabstop=4 shiftwidth=4 textwidth=79 expandtab autoindent fileformat=unix
 let python_highlight_all=1
 
-colorscheme gruvbox
-
 " Highlight whitespace
 highlight ExtraWhitespace ctermbg=red guibg=red
 match ExtraWhitespace /\s\+$/

home/nvim/init2.lua

@@ -1,5 +1,14 @@
+-- colours
+vim.cmd[[colorscheme tokyonight]]
+vim.g.tokyonight_style = "night"
+vim.g.tokyonight_italic_functions = true
+
 -- status line
-require('lualine').setup()
+require('lualine').setup {
+  options = {
+    theme = 'tokyonight'
+  }
+}
 
 -- lsp
 require'lspconfig'.bashls.setup{}
@@ -51,6 +60,7 @@ require("twilight").setup {
   },
   exclude = {}, -- exclude these filetypes
 }
+vim.cmd[[autocmd BufEnter * :TwilightEnable]]
 
 vim.api.nvim_exec([[
     set foldmethod=expr