[generic] Do not follow redirects to the same URL

youtube_dl/extractor/generic.py

@@ -2635,11 +2635,14 @@ class GenericIE(InfoExtractor):
                     found = re.search(REDIRECT_REGEX, refresh_header)
             if found:
                 new_url = compat_urlparse.urljoin(url, unescapeHTML(found.group(1)))
+                if new_url != url:
                     self.report_following_redirect(new_url)
                     return {
                         '_type': 'url',
                         'url': new_url,
                     }
+                else:
+                    found = None
 
         if not found:
             # twitter:player is a https URL to iframe player that may or may not