From d05e01a86e4859c0c560e53a4314f1f6b95f05fa Mon Sep 17 00:00:00 2001
From: Shao-Chun Ma <shao@omnius.com>
Date: Sat, 16 Feb 2019 16:26:45 +0100
Subject: [PATCH] command: refactor

Extract method check_up_to_date().

Fixes #1619
---
 dvc/command/data_sync.py | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/dvc/command/data_sync.py b/dvc/command/data_sync.py
index a35f0a39f..66927203a 100644
--- a/dvc/command/data_sync.py
+++ b/dvc/command/data_sync.py
@@ -24,6 +24,11 @@ class CmdDataBase(CmdBase):
                 ret = 1
         return ret
 
+    @staticmethod
+    def check_up_to_date(processed_files_count, message):
+        if processed_files_count == 0:
+            logger.info(message)
+
 
 class CmdDataPull(CmdDataBase):
     def do_run(self, target=None):
@@ -42,8 +47,7 @@ class CmdDataPull(CmdDataBase):
         except Exception:
             logger.error("failed to pull data from the cloud")
             return 1
-        if processed_files_count == 0:
-            logger.info(self.UP_TO_DATE_MSG)
+        self.check_up_to_date(processed_files_count, self.UP_TO_DATE_MSG)
         return 0
 
 
@@ -63,8 +67,7 @@ class CmdDataPush(CmdDataBase):
         except Exception:
             logger.error("failed to push data to the cloud")
             return 1
-        if processed_files_count == 0:
-            logger.info(self.UP_TO_DATE_MSG)
+        self.check_up_to_date(processed_files_count, self.UP_TO_DATE_MSG)
         return 0
 
 
@@ -84,8 +87,7 @@ class CmdDataFetch(CmdDataBase):
         except Exception:
             logger.error("failed to fetch data from the cloud")
             return 1
-        if processed_files_count == 0:
-            logger.info(self.UP_TO_DATE_MSG)
+        self.check_up_to_date(processed_files_count, self.UP_TO_DATE_MSG)
         return 0