+ else:
+ log('New cache SHA1: %s (%s)' % (str(sha), artifact))
+ cache_sha_dir = os.path.join(self.cache_dir, sha)
-+ exec_cmd('mkdir -p %s', cache_sha_dir)
++ exec_cmd('mkdir -p %s' % cache_sha_dir)
+ func(ssh, cache_sha_dir)
+ except Exception as ex:
+ log('Failed to extract artifacts from Fuel: %s' % str(ex))