Use JSON as format for .HA_RESTORE (#129792)

* Use JSON as format for .HA_RESTORE

* Adjust bakup manager test

homeassistant/backup_restore.py

@@ -30,11 +30,11 @@ def restore_backup_file_content(config_dir: Path) -> RestoreBackupFileContent |
     """Return the contents of the restore backup file."""
     instruction_path = config_dir.joinpath(RESTORE_BACKUP_FILE)
     try:
-        instruction_content = instruction_path.read_text(encoding="utf-8")
+        instruction_content = json.loads(instruction_path.read_text(encoding="utf-8"))
         return RestoreBackupFileContent(
-            backup_file_path=Path(instruction_content.split(";")[0])
+            backup_file_path=Path(instruction_content["path"])
         )
-    except FileNotFoundError:
+    except (FileNotFoundError, json.JSONDecodeError):
         return None
 
 

homeassistant/components/backup/manager.py

@@ -308,7 +308,7 @@ class BackupManager(BaseBackupManager):
         def _write_restore_file() -> None:
             """Write the restore file."""
             Path(self.hass.config.path(RESTORE_BACKUP_FILE)).write_text(
-                f"{backup.path.as_posix()};",
+                json.dumps({"path": backup.path.as_posix()}),
                 encoding="utf-8",
             )
 

tests/components/backup/test_manager.py

@@ -350,7 +350,7 @@ async def test_async_trigger_restore(
         patch("homeassistant.core.ServiceRegistry.async_call") as mocked_service_call,
     ):
         await manager.async_restore_backup(TEST_BACKUP.slug)
-        assert mocked_write_text.call_args[0][0] == "abc123.tar;"
+        assert mocked_write_text.call_args[0][0] == '{"path": "abc123.tar"}'
         assert mocked_service_call.called
 
 

tests/test_backup_restore.py

@@ -15,15 +15,10 @@ from .common import get_test_config_dir
     ("side_effect", "content", "expected"),
     [
         (FileNotFoundError, "", None),
-        (None, "", backup_restore.RestoreBackupFileContent(backup_file_path=Path(""))),
+        (None, "", None),
         (
             None,
-            "test;",
-            backup_restore.RestoreBackupFileContent(backup_file_path=Path("test")),
-        ),
-        (
-            None,
-            "test;;;;",
+            '{"path": "test"}',
             backup_restore.RestoreBackupFileContent(backup_file_path=Path("test")),
         ),
     ],