fix: Override the default generate on the Jekyll sitemap generator to exclude the robots.txt

Author: imtodor

_plugins/sitemap_generator.rb

@@ -1,9 +1,13 @@
 require 'jekyll-sitemap'
 
 module Jekyll
-
-	#override the method from the original Jekyll-sitemap gem so it always uses our template instead of using their built-in template
-	class JekyllSitemap < Jekyll::Generator
+  class JekyllSitemap < Jekyll::Generator
+    def generate(site)
+      @site = site
+      @site.pages << sitemap unless file_exists?("sitemap.xml")
+    end
+    
+    #override the method from the original Jekyll-sitemap gem so it always uses our template instead of using their built-in template
     def source_path
 			File.expand_path('sitemap.xml', File.dirname(__FILE__))
 		end