repo: get default logger level from logger

dvc/config.py

@@ -179,7 +179,7 @@ class Config(object):  # pylint: disable=too-many-instance-attributes
     SECTION_CORE_STORAGEPATH = "storagepath"
 
     SECTION_CORE_SCHEMA = {
-        Optional(SECTION_CORE_LOGLEVEL, default="info"): And(
+        Optional(SECTION_CORE_LOGLEVEL): And(
             str, Use(str.lower), SECTION_CORE_LOGLEVEL_SCHEMA
         ),
         Optional(SECTION_CORE_REMOTE, default=""): And(str, Use(str.lower)),

dvc/repo/__init__.py

@@ -68,11 +68,9 @@ class Repo(object):
 
         core = self.config.config[Config.SECTION_CORE]
 
-        logger.setLevel(
-            logging.getLevelName(
-                core.get(Config.SECTION_CORE_LOGLEVEL, "info").upper()
-            )
-        )
+        level = core.get(Config.SECTION_CORE_LOGLEVEL)
+        if level:
+            logger.setLevel(level.upper())
 
         self.cache = Cache(self)
         self.cloud = DataCloud(self, config=self.config.config)

tests/func/test_init.py

@@ -64,3 +64,10 @@ class TestInitNoSCM(TestDir):
         self.assertEqual(ret, 0)
 
         self._test_init()
+
+
+def test_init_quiet_should_not_display_welcome_screen(git, caplog):
+    ret = main(["init", "--quiet"])
+
+    assert 0 == ret
+    assert "" == caplog.text