fixup f52369f^C

Author: grahamc

nixops/storage/memory.py

@@ -17,17 +17,20 @@ def options(**kwargs) -> MemoryBackendOptions:
     def __init__(self, args: MemoryBackendOptions) -> None:
         pass
 
-    # fetchToFile: acquire a lock and download the state file to
-    # the local disk. Note: no arguments will be passed over kwargs.
-    # Making it part of the type definition allows adding new
-    # arguments later.
+    # fetchToFile: download the state file to the local disk.
+    # Note: no arguments will be passed over kwargs. Making it part of
+    # the type definition allows adding new arguments later.
     def fetchToFile(self, path: str, **kwargs) -> None:
         pass
 
+    # onOpen: receive the StateFile object for last-minute, backend
+    # specific changes to the state file.
+    # Note: no arguments will be passed over kwargs. Making it part of
+    # the type definition allows adding new arguments later.
     def onOpen(self, sf: nixops.statefile.StateFile, **kwargs) -> None:
         sf.create_deployment()
 
-    # uploadFromFile: upload the new state file and release any locks
+    # uploadFromFile: upload the new version of the state file
     # Note: no arguments will be passed over kwargs. Making it part of
     # the type definition allows adding new arguments later.
     def uploadFromFile(self, path: str, **kwargs) -> None: