From d9fcadd41794e3680d9445f5d9bdf7746739f6de Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <kupruser@gmail.com>
Date: Tue, 19 Jun 2018 20:12:31 +0300
Subject: [PATCH] metrics: don't overwrite value for the branch

Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
---
 dvc/project.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/dvc/project.py b/dvc/project.py
index 98c17d286..f4944309d 100644
--- a/dvc/project.py
+++ b/dvc/project.py
@@ -358,7 +358,10 @@ class Project(object):
                                            htsv_path=htsv_path)
                 if not metric:
                     continue
-                res[branch] = {}
+
+                if branch not in res:
+                    res[branch] = {}
+
                 res[branch][rel] = metric
 
         self.scm.checkout(saved)