Theming: a UI to choose some base colors that are applied to all the site css. CSS compiled outside of asset pipeline.

lib/autospec/reload_css.rb

@@ -24,6 +24,11 @@ class Autospec::ReloadCss
   end
 
   def self.run_on_change(paths)
+    if paths.any? { |p| p =~ /\.(css|s[ac]ss)/ }
+      s = DiscourseStylesheets.new(:desktop) # TODO: what about mobile?
+      s.compile
+      paths << "public" + s.stylesheet_relpath_no_digest
+    end
     paths.map! do |p|
       hash = nil
       fullpath = "#{Rails.root}/#{p}"