Set initial colorscheme on debian hosts

templates/nvim/lua/colorscheme.lua.j2

@@ -1,19 +1,26 @@
 -- {{ ansible_managed }}
 
--- set the colorscheme whenever the background setting changes
+local background_callback = function()
-vim.api.nvim_create_autocmd({'OptionSet'}, {
+  if vim.o.background == 'dark' then
-    pattern = {'background'},
+    vim.cmd('colorscheme github_dark_dimmed')
-    callback = function()
+  else
-        if vim.o.background == 'dark' then
+    vim.cmd('colorscheme github_light')
-            vim.cmd('colorscheme github_dark_dimmed')
+  end
-        else
-            vim.cmd('colorscheme github_light')
-        end
 
-        -- force a full redraw:
+  -- force a full redraw:
-        vim.cmd('mode')
+  vim.cmd('mode')
-    end
+end
-})
+
+-- set the colorscheme whenever the background setting changes
+vim.api.nvim_create_autocmd(
+  { 'OptionSet' },
+  { pattern = { 'background' }, callback = background_callback }
+)
+
+
+{% if ansible_facts['os_family'] == 'Debian' %}
+background_callback()
+{% endif %}
 
 {% if ansible_facts['os_family'] == 'Archlinux' %}
 --[[