wez: Dark mode

Adds a dark mode theme and setups automatic theme switching based on system light and dark mode.

wez/.config/wezterm/colors/tempus_classic.toml

@@ -0,0 +1,35 @@
+[colors]
+ansi = [
+  "#232323",
+  "#d4823d",
+  "#8c9e3d",
+  "#b1942b",
+  "#6e9cb0",
+  "#b58d88",
+  "#6da280",
+  "#949d9f",
+]
+brights = [
+  "#312e30",
+  "#d0913d",
+  "#96a42d",
+  "#a8a030",
+  "#8e9cc0",
+  "#d58888",
+  "#7aa880",
+  "#aeadaf",
+]
+
+cursor_bg = "#aeadaf"
+cursor_border = "#aeadaf"
+cursor_fg = "#232323"
+background = "#232323"
+foreground = "#aeadaf"
+selection_bg = "#aeadaf"
+selection_fg = "#232323"
+
+[metadata]
+name = "Tempus Classic"
+aliases = ["Tempus Classic"]
+author = "protesilaos"
+origin_url = "https://github.com/protesilaos/tempus-themes/blob/master/yaml/tempus_past.yml"

wez/.config/wezterm/wezterm.lua

@@ -1,7 +1,23 @@
 local wezterm = require('wezterm')
 local config = wezterm.config_builder()
-config.color_scheme = "Tempus Past"
 config.font = wezterm.font('TX-02')
 config.font_size = 17
 
+local function get_appearance()
+  if wezterm.gui then
+    return wezterm.gui.get_appearance()
+  end
+  return 'Dark'
+end
+
+local function scheme_for_appearance(appearance)
+  if appearance:find 'Dark' then
+    return 'Tempus Classic'
+  else
+    return 'Tempus Past'
+  end
+end
+
+config.color_scheme = scheme_for_appearance(get_appearance())
+
 return config