Add support for directories in "exclude"

README.md

@@ -8,7 +8,7 @@ How To Use:
 1. Copy file into your _plugins folder within your Jekyll project.
 2. Ensure url is set in your config file (for example `url: http://danielgroves.net`)
 3. In your config file, change `sitemap: file:` if you want your sitemap to be called something other than sitemap.xml.
-4. Change the `sitemap: exclude:` list to exclude any pages that you don't want in the sitemap. 
+4. Change the `sitemap: exclude:` list to exclude any pages or directory that you don't want in the sitemap. 
 5. Change the `sitemap: include_posts:` list to include any pages that are looping through your posts (e.g. "/index.html", "/notebook/index.md", etc.). This will ensure that right after you make a new post, the last modified date will be updated to reflect the new post.
 6. Run Jekyll: `jekyll` to re-generate your site.
 7. A `sitemap.xml` should be included in your _site folder.
@@ -22,6 +22,7 @@ sitemap:
         - "/atom.xml"
         - "/feed.xml"
         - "/feed/index.xml"
+        - "/images/"
     include_posts:
         - "/index.html"
     change_frequency_name: "change_frequency"

sitemap_generator.rb

@@ -263,7 +263,7 @@ def greater_date(date1, date2)
     #
     # Returns boolean
     def excluded?(site, name)
-      @config['exclude'].include? name
+      @config['exclude'].any? { |i| name.index(i) == 0 }
     end
 
     def posts_included?(site, name)