advanced version detection

lib/common/models/wp_item/versionable.rb

@@ -13,7 +13,15 @@ class WpItem
         # This check is needed because readme_url can return nil
         if has_readme?
           response = Browser.get(readme_url)
-          @version = response.body[/(?:stable tag|version):\s*(?!trunk)([0-9a-z.-]+)/i, 1]
+          version = response.body[/(?:stable tag|version):\s*(?!trunk)([0-9a-z.-]+)/i, 1]
+          if version.nil?
+            extracted_versions = response.body.scan(/[=]+\s*([0-9.-]+)\s*[=]+/i)
+            return if extracted_versions.nil? || extracted_versions.length == 0
+            sorted = extracted_versions.flatten.sort { |x,y| Gem::Version.new(x) <=> Gem::Version.new(y) }
+            @version = sorted.last
+          else
+            @version = version
+          end
         end
       end
       @version