Release 260111

system/updated/common.py

@@ -0,0 +1,16 @@
+import os
+import pathlib
+
+
+def get_consistent_flag(path: str) -> bool:
+  consistent_file = pathlib.Path(os.path.join(path, ".overlay_consistent"))
+  return consistent_file.is_file()
+
+def set_consistent_flag(path: str, consistent: bool) -> None:
+  os.sync()
+  consistent_file = pathlib.Path(os.path.join(path, ".overlay_consistent"))
+  if consistent:
+    consistent_file.touch()
+  elif not consistent:
+    consistent_file.unlink(missing_ok=True)
+  os.sync()