From 36974ad871c99ded00255730b1d2b3216910d46d Mon Sep 17 00:00:00 2001
From: Edward Lemur <ehmaldonado@chromium.org>
Date: Thu, 21 Feb 2019 23:29:47 +0000
Subject: [PATCH] metrics_utils: Fallback to HEAD if upstream is None.

Bug: 934494
Change-Id: I31035d78888747386a37d4a8b05c148aaed37529
Reviewed-on: https://chromium-review.googlesource.com/c/1481937
Reviewed-by: Kenneth Russell <kbr@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
---
 metrics_utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/metrics_utils.py b/metrics_utils.py
index dc5372655..ed908cb1c 100644
--- a/metrics_utils.py
+++ b/metrics_utils.py
@@ -260,7 +260,7 @@ def get_repo_timestamp(path_to_repo):
   # Get the upstream for the current branch. If we're not in a branch, fallback
   # to HEAD.
   try:
-    upstream = scm.GIT.GetUpstreamBranch(path_to_repo)
+    upstream = scm.GIT.GetUpstreamBranch(path_to_repo) or 'HEAD'
   except subprocess2.CalledProcessError:
     upstream = 'HEAD'