repo_utils.ls_remote: Memoize

Signed-off-by: Zack Cerza <zack@redhat.com>

diff --git a/teuthology/repo_utils.py b/teuthology/repo_utils.py
index 93ee225a3319fa0d2453ab0ec2f63e73e248e00d..03321fbf13f0a52830004adb497e8f9085282f41 100644 (file)
--- a/teuthology/repo_utils.py
+++ b/teuthology/repo_utils.py
@@ -1,3 +1,4 @@
+import functools
 import logging
 import os
 import re
@@ -56,6 +57,7 @@ def build_git_url(project, project_owner='ceph'):
     return url_templ.format(project_owner=project_owner, project=project)
 
 
+@functools.lru_cache()
 def ls_remote(url, ref):
     """
     Return the current sha1 for a given repository and ref