Log while uploading.

src/zc/buildout/networkcache.py

@@ -102,6 +102,8 @@ def upload_network_cached(dir_url, cache_url, external_url, path, logger):
     if not (dir_url and cache_url):
         return False
 
+    logger.info('Uploading %s into network cache.' % external_url)
+
     file_name = external_url.split('/')[-1].split('#')[0].split('?')[0]
     directory_key = get_directory_key(external_url)
     kw = dict(file=file_name,