terminal/wezterm: detect colorscheme automatically

homes/notashelf/programs/terminal/emulators/wezterm/config.nix

@@ -1,21 +1,43 @@
-{colors}:
-with colors; ''
+{colors, ...}:
+/*
+lua
+*/
+''
   local wezterm = require("wezterm")
   local act = wezterm.action
 
+  -- wezterm.gui is not available to the mux server, so take care to
+  -- do something reasonable when this config is evaluated by the mux
+  function get_appearance()
+    if wezterm.gui then
+      return wezterm.gui.get_appearance()
+    end
+    return 'Dark'
+  end
+
+  function scheme_for_appearance(appearance)
+    if appearance:find 'Dark' then
+      return 'Catppuccin Mocha'
+    else
+      return 'Catppuccin Latte'
+    end
+  end
+
   return {
   	check_for_updates = false,
   	exit_behavior = "CloseOnCleanExit",
 
-    enable_scroll_bar = true,
+    enable_scroll_bar = false,
 
   	font_size = 14.0,
-  	font = wezterm.font 'Iosevka Nerd Font Mono'
+  	font = wezterm.font 'Iosevka Nerd Font',
+
+    color_scheme = scheme_for_appearance(get_appearance()),
 
   	audible_bell = "Disabled",
     enable_tab_bar = true,
   	hide_tab_bar_if_only_one_tab = true,
-  	default_cursor_style = "SteadyUnderline",
+  	default_cursor_style = "SteadyBar",
   	window_background_opacity = 0.85,
 
   	window_padding = {
@@ -24,66 +46,5 @@ with colors; ''
   		top = 16,
   		bottom = 16,
   	},
-
-  	colors = {
-      background = "#${base00}",
-      cursor_bg = "#${base05}",
-      cursor_fg = "#${base00}",
-      cursor_border = "#${base05}",
-      foreground = "#${base05}",
-      selection_bg = "#${base05}",
-      selection_fg = "#${base00}",
-
-      tab_bar = {
-    	  background = "#${base02}",
-    	  active_tab = {
-    		  bg_color = "#${base0D}",
-    		  fg_color = "#${base00}",
-    	  },
-
-        inactive_tab = {
-    		  bg_color = "#${base00}",
-    		  fg_color = "#${base08}",
-    	  },
-
-        inactive_tab_hover = {
-    		  bg_color = "#${base00}",
-    		  fg_color = "#${base0D}",
-    	  },
-
-        new_tab = {
-    		  bg_color = "#${base02}",
-    		  fg_color = "#${base08}",
-    	  },
-
-        new_tab_hover = {
-    		  bg_color = "#${base00}",
-    		  fg_color = "#${base0D}",
-    	  },
-      },
-
-
-      ansi = {
-        "#${base00}",
-        "#${base08}",
-        "#${base0B}",
-        "#${base0A}",
-        "#${base0D}",
-        "#${base0F}",
-        "#${base0C}",
-        "#${base05}"
-      },
-
-      brights = {
-        "#${base03}",
-        "#${base08}",
-        "#${base0B}",
-        "#${base0A}",
-        "#${base0D}",
-        "#${base0F}",
-        "#${base0C}",
-        "#${base07}"
-      },
-    },
   }
 ''