Cleanup kitty themes (#91)

Makes them suitable for inclusion in
https://github.com/kovidgoyal/kitty-themes

lua/tokyonight/extra/init.lua

@@ -19,15 +19,23 @@ local extras = {
 	xresources = "Xresources",
 	xfceterm = "theme",
 }
-local styles = { "storm", "night", "day" }
+-- map of style to style name
+local styles = { 
+    storm = " Storm",
+    night = "",
+    day = " Day", 
+}
 
 for extra, ext in pairs(extras) do
 	local plugin = require("tokyonight.extra." .. extra)
-	for _, style in pairs(styles) do
+	for style, style_name in pairs(styles) do
 		config.style = style
 		config = config or require("tokyonight.config")
 		config.transform_colors = true
 		local colors = require("tokyonight.colors").setup(config)
-		write(plugin.generate(colors), extra .. "_tokyonight_" .. style .. "." .. ext)
+        local fname = extra .. "_tokyonight_" .. style .. "." .. ext
+        colors["_upstream_url"] = "https://github.com/folke/tokyonight.nvim/raw/main/extras/" .. fname
+        colors["_style_name"] = "Tokyo Night" .. style_name
+		write(plugin.generate(colors), fname)
 	end
 end

lua/tokyonight/extra/kitty.lua

@@ -6,45 +6,51 @@ local M = {}
 function M.generate(colors)
   local kitty = util.template(
     [[
-  # TokyoNight colors for Kitty
-  
-  background ${bg}
-  foreground ${fg}
-  selection_background ${bg_visual}
-  selection_foreground ${fg}
-  url_color ${green1}
-  cursor ${fg}
-  
-  # Tabs
-  active_tab_background ${blue}
-  active_tab_foreground ${bg_dark}
-  inactive_tab_background ${bg_highlight}
-  inactive_tab_foreground ${dark3}
-  #tab_bar_background ${black}
-  
-  # normal
-  color0 ${black}
-  color1 ${red}
-  color2 ${green}
-  color3 ${yellow}
-  color4 ${blue}
-  color5 ${magenta}
-  color6 ${cyan}
-  color7 ${fg_dark}
-  
-  # bright
-  color8 ${terminal_black}
-  color9 ${red}
-  color10 ${green}
-  color11 ${yellow}
-  color12 ${blue}
-  color13 ${magenta}
-  color14 ${cyan}
-  color15 ${fg}
-  
-  # extended colors
-  color16 ${orange}
-  color17 ${red1}
+# vim:ft=kitty
+
+## name: ${_style_name}
+## license: MIT
+## author: Folke Lemaitre
+## upstream: ${_upstream_url}
+
+
+background ${bg}
+foreground ${fg}
+selection_background ${bg_visual}
+selection_foreground ${fg}
+url_color ${green1}
+cursor ${fg}
+
+# Tabs
+active_tab_background ${blue}
+active_tab_foreground ${bg_dark}
+inactive_tab_background ${bg_highlight}
+inactive_tab_foreground ${dark3}
+#tab_bar_background ${black}
+
+# normal
+color0 ${black}
+color1 ${red}
+color2 ${green}
+color3 ${yellow}
+color4 ${blue}
+color5 ${magenta}
+color6 ${cyan}
+color7 ${fg_dark}
+
+# bright
+color8 ${terminal_black}
+color9 ${red}
+color10 ${green}
+color11 ${yellow}
+color12 ${blue}
+color13 ${magenta}
+color14 ${cyan}
+color15 ${fg}
+
+# extended colors
+color16 ${orange}
+color17 ${red1}
   ]],
     colors
   )