Merge pull request #1198 from efiop/master

hdfs: don't use close_fds on Windows

dvc/remote/hdfs.py

@@ -29,9 +29,14 @@ class RemoteHDFS(RemoteBase):
         cmd = 'hadoop fs -' + cmd
         if user:
             cmd = 'HADOOP_USER_NAME={} '.format(user) + cmd
+
+        # NOTE: close_fds doesn't work with redirected stdin/stdout/stderr.
+        # See https://github.com/iterative/dvc/issues/1197.
+        close_fds = (os.name != 'nt')
+
         p = Popen(cmd,
                   shell=True,
-                  close_fds=True,
+                  close_fds=close_fds,
                   executable=os.getenv('SHELL'),
                   env=fix_env(os.environ),
                   stdin=PIPE,