theme reload with SIGUSR1

init.lua

@@ -55,12 +55,28 @@ require("lazy").setup(plugins)
 
 vim.cmd.colorscheme "catppuccin"
 
--- if $XDG_STATE_HOME/darkmode exists, set dark background, light other wise
-local path = (vim.fn.getenv("XDG_STATE_HOME") or "~/.local/state") .. "/darkmode"
-if vim.fn.filereadable(path) == 1 then
-  opt.background = "dark"
-else
-  opt.background = "light"
+function set_theme_according_to_darkman()
+  local obj = vim.system({ 'darkman', 'get' }, { text = true }):wait()
+  if obj.code == 0 then
+    local theme = "light"
+    if obj.stdout == "dark\n" then
+      theme = "dark"
+    end
+    if obj.stdout == "light\n" then
+      theme = "light"
+    end
+
+    opt.background = theme
+    vim.api.nvim_exec_autocmds("ColorScheme", {})
+  end
 end
 
+set_theme_according_to_darkman()
+vim.api.nvim_create_autocmd("Signal", {
+  pattern = "SIGUSR1",
+  callback = set_theme_according_to_darkman
+})
+
+
+
 require("mappings")