[watchmedo] Fix broken parsing of commands from auto-restart, and she…

…ll-command (#888)

Credit goes to @taleinat!

changelog.rst

@@ -11,6 +11,7 @@ Changelog
 - Fix adding failed emitters on observer schedule. (`#872 <https://github.com/gorakhargosh/watchdog/issues/872>`_)
 - [watchmedo] Fix broken parsing of ``--kill-after`` argument for the ``auto-restart`` command. (`#870 <https://github.com/gorakhargosh/watchdog/issues/870>`_)
 - [watchmedo] Fix broken parsing of boolean arguments. (`#855 <https://github.com/gorakhargosh/watchdog/issues/855>`_)
+- [watchmedo] Fix broken parsing of commands from ``auto-restart``, and ``shell-command``. (`#855 <https://github.com/gorakhargosh/watchdog/issues/855>`_)
 - Thanks to our beloved contributors: @taleinat, @kianmeng, @palfrey, @IlayRosenberg, @BoboTiG
 
 2.1.7

src/watchdog/watchmedo.py

@@ -68,7 +68,7 @@ def _split_lines(self, text, width):
 
 cli = ArgumentParser(epilog=epilog, formatter_class=HelpFormatter)
 cli.add_argument('--version', action='version', version=VERSION_STRING)
-subparsers = cli.add_subparsers(dest='command')
+subparsers = cli.add_subparsers(dest='top_command')
 
 
 def argument(*name_or_flags, **kwargs):
@@ -215,7 +215,7 @@ def schedule_tricks(observer, tricks, pathname, recursive):
           argument('--recursive',
                    action='store_true',
                    default=True,
-                   help='Recursively monitor paths.'),
+                   help='Recursively monitor paths (defaults to True).'),
           argument('--debug-force-polling',
                    action='store_true',
                    help='[debug] Forces polling.'),

tests/test_0_watchmedo.py

@@ -83,14 +83,19 @@ def test_auto_restart_arg_parsing_basic():
     assert args.debug_force_polling
 
 
-def test_auto_restart_arg_parsing_kill_after():
+def test_auto_restart_arg_parsing():
     args = watchmedo.cli.parse_args(["auto-restart", "-d", ".", "--kill-after", "12.5", "cmd"])
     assert args.func is watchmedo.auto_restart
     assert args.command == "cmd"
     assert args.directories == ["."]
     assert args.kill_after == pytest.approx(12.5)
 
 
+def test_shell_command_arg_parsing():
+    args = watchmedo.cli.parse_args(["shell-command", "--command='cmd'"])
+    assert args.command == "'cmd'"
+
+
 @pytest.mark.parametrize("command", ["tricks-from", "tricks"])
 def test_tricks_from_file(command, tmp_path):
     tricks_file = tmp_path / "tricks.yaml"