status: update --quiet help message

dvc/cli.py

@@ -84,16 +84,13 @@ class VersionAction(argparse.Action):  # pragma: no cover
         sys.exit(0)
 
 
-def parse_args(argv=None):
-    """Parses CLI arguments.
+def get_parent_parser():
+    """Create instances of a parser containing common arguments shared among
+    all the commands.
 
-    Args:
-        argv: optional list of arguments to parse. sys.argv is used by default.
-
-    Raises:
-        dvc.exceptions.DvcParserError: raised for argument parsing errors.
+    When overwritting `-q` or `-v`, you need to instantiate a new object
+    in order to prevent some weird behavior.
     """
-    # Common args
     parent_parser = argparse.ArgumentParser(add_help=False)
 
     log_level_group = parent_parser.add_mutually_exclusive_group()
@@ -108,6 +105,20 @@ def parse_args(argv=None):
         help="Be verbose.",
     )
 
+    return parent_parser
+
+
+def parse_args(argv=None):
+    """Parses CLI arguments.
+
+    Args:
+        argv: optional list of arguments to parse. sys.argv is used by default.
+
+    Raises:
+        dvc.exceptions.DvcParserError: raised for argument parsing errors.
+    """
+    parent_parser = get_parent_parser()
+
     # Main parser
     desc = "Data Version Control"
     parser = DvcParser(

dvc/command/data_sync.py

@@ -79,35 +79,41 @@ class CmdDataFetch(CmdDataBase):
         return 0
 
 
-def add_parser(subparsers, parent_parser):
-    from dvc.command.status import CmdDataStatus
+def shared_parent_parser():
+    from dvc.cli import get_parent_parser
 
     # Parent parser used in pull/push/status
-    parent_cache_parser = argparse.ArgumentParser(
-        add_help=False, parents=[parent_parser]
+    shared_parent_parser = argparse.ArgumentParser(
+        add_help=False, parents=[get_parent_parser()]
     )
-    parent_cache_parser.add_argument(
+    shared_parent_parser.add_argument(
         "-j",
         "--jobs",
         type=int,
         default=None,
         help="Number of jobs to run simultaneously.",
     )
-    parent_cache_parser.add_argument(
+    shared_parent_parser.add_argument(
         "--show-checksums",
         action="store_true",
         default=False,
         help="Show checksums instead of file names.",
     )
-    parent_cache_parser.add_argument(
+    shared_parent_parser.add_argument(
         "targets", nargs="*", default=None, help="DVC files."
     )
 
+    return shared_parent_parser
+
+
+def add_parser(subparsers, _parent_parser):
+    from dvc.command.status import CmdDataStatus
+
     # Pull
     PULL_HELP = "Pull data files from the cloud."
     pull_parser = subparsers.add_parser(
         "pull",
-        parents=[parent_cache_parser],
+        parents=[shared_parent_parser()],
         description=PULL_HELP,
         help=PULL_HELP,
     )
@@ -155,7 +161,7 @@ def add_parser(subparsers, parent_parser):
     PUSH_HELP = "Push data files to the cloud."
     push_parser = subparsers.add_parser(
         "push",
-        parents=[parent_cache_parser],
+        parents=[shared_parent_parser()],
         description=PUSH_HELP,
         help=PUSH_HELP,
     )
@@ -196,7 +202,7 @@ def add_parser(subparsers, parent_parser):
     FETCH_HELP = "Fetch data files from the cloud."
     fetch_parser = subparsers.add_parser(
         "fetch",
-        parents=[parent_cache_parser],
+        parents=[shared_parent_parser()],
         description=FETCH_HELP,
         help=FETCH_HELP,
     )
@@ -237,9 +243,20 @@ def add_parser(subparsers, parent_parser):
     STATUS_HELP = "Show the project status."
     status_parser = subparsers.add_parser(
         "status",
-        parents=[parent_cache_parser],
+        parents=[shared_parent_parser()],
         description=STATUS_HELP,
         help=STATUS_HELP,
+        conflict_handler="resolve",
+    )
+    status_parser.add_argument(
+        "-q",
+        "--quiet",
+        action="store_true",
+        default=False,
+        help=(
+            "Suppresses all output."
+            " Exit with 0 if pipeline is up to date, otherwise 1."
+        ),
     )
     status_parser.add_argument(
         "-c",