Don't retrieve Tinderbox directory listing when timestamp is provided (…

…#313) - re-arrange if-else

mozdownload/scraper.py

@@ -960,7 +960,9 @@ def get_build_info_for_index(self, build_index=None):
         """Get additional information for the build at the given index."""
         url = urljoin(self.base_url, self.build_list_regex)
 
-        if not self.timestamp:
+        if self.timestamp:
+            entries = [self.timestamp]
+        else:
             self.logger.info('Retrieving list of builds from %s' % url)
             parser = self._create_directory_parser(url)
             parser.entries = parser.filter(r'^\d+$')
@@ -975,11 +977,6 @@ def get_build_info_for_index(self, build_index=None):
 
             entries = parser.entries
 
-        else:
-            # If a timestamp is given, retrieve the folder with the timestamp
-            # as name
-            entries = [self.timestamp]
-
         self.show_matching_builds(entries)
 
         # If no index has been given, set it to the last build of the day.