Revert "cli:apply: improve networkd restart logic for non-existent ne…

…tworkd config"

This reverts commit a527c51.

netplan_cli/cli/commands/apply.py

@@ -122,11 +122,8 @@ def command_apply(self, run_generate=True, sync=False, exit_on_error=True, state
         restart_networkd = False
         with tempfile.TemporaryDirectory() as tmp_dir:
             # needs to be a subfolder as copytree wants to create it
-            run_systemd_network = '/run/systemd/network'
             old_files_dir = os.path.join(tmp_dir, 'cfg')
-            has_old_networkd_config = os.path.isdir(run_systemd_network)
-            if has_old_networkd_config:
-                shutil.copytree(run_systemd_network, old_files_dir)
+            shutil.copytree('/run/systemd/network', old_files_dir)
 
             generator_call = []
             generate_out = None
@@ -142,13 +139,9 @@ def command_apply(self, run_generate=True, sync=False, exit_on_error=True, state
                     raise ConfigurationError("the configuration could not be generated")
 
             # Restart networkd if something in the configuration changed
-            has_new_networkd_config = os.path.isdir(run_systemd_network)
-            if has_old_networkd_config != has_new_networkd_config:
+            comp = filecmp.dircmp('/run/systemd/network', old_files_dir)
+            if comp.left_only or comp.right_only or comp.diff_files:
                 restart_networkd = True
-            elif has_old_networkd_config and has_new_networkd_config:
-                comp = filecmp.dircmp(run_systemd_network, old_files_dir)
-                if comp.left_only or comp.right_only or comp.diff_files:
-                    restart_networkd = True
 
         devices = utils.get_interfaces()