OS latest version set from upgrade path (#3632)

* OS latest version set from upgrade path

* fix tests

* Update test_updater.py

* Revert / fetch_update is global unwrapped

Co-authored-by: Pascal Vizeli <pvizeli@syshack.ch>

supervisor/updater.py

@@ -243,6 +243,15 @@ class Updater(FileConfiguration, CoreSysAttributes):
                 self._data[ATTR_OTA] = data["ota"]
                 if version := data["hassos"].get(self.sys_os.board):
                     events.append("os")
+                    upgrade_map = data.get("hassos-upgrade", {})
+                    if last_in_major := upgrade_map.get(str(self.sys_os.version.major)):
+                        if self.sys_os.version != AwesomeVersion(last_in_major):
+                            version = last_in_major
+                        elif last_in_next_major := upgrade_map.get(
+                            str(int(self.sys_os.version.major) + 1)
+                        ):
+                            version = last_in_next_major
+
                     self._data[ATTR_HASSOS] = AwesomeVersion(version)
                 else:
                     _LOGGER.warning(

tests/test_updater.py

@@ -1,5 +1,7 @@
 """Test updater files."""
+from unittest.mock import patch
 
+from awesomeversion import AwesomeVersion
 import pytest
 
 from supervisor.coresys import CoreSys
@@ -48,3 +50,23 @@ async def test_fetch_versions(coresys: CoreSys) -> None:
     assert coresys.updater.image_multicast == data["images"]["multicast"].format(
         arch=coresys.arch.supervisor
     )
+
+
+@pytest.mark.parametrize(
+    "version, expected",
+    [
+        ("3.1", "3.13"),
+        ("4.5", "4.20"),
+        ("5.0", "5.13"),
+        ("6.4", "6.6"),
+        ("4.20", "5.13"),
+    ],
+)
+async def test_os_update_path(coresys: CoreSys, version: str, expected: str):
+    """Test OS upgrade path across major versions."""
+    coresys.os._board = "rpi4"  # pylint: disable=protected-access
+    coresys.os._version = AwesomeVersion(version)  # pylint: disable=protected-access
+    with patch.object(type(coresys.security), "verify_own_content"):
+        await coresys.updater.fetch_data()
+
+        assert coresys.updater.version_hassos == AwesomeVersion(expected)