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b62f870fe8
Summary: A simple debug command to help check ProjectedFS File State on disk Reviewed By: chadaustin Differential Revision: D26918172 fbshipit-source-id: 098724fbb0ca1e8eb6798b3ce669a43e2ea576ee
45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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# TODO(T65013742): Can't type check Windows on Linux
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# pyre-ignore-all-errors
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import ctypes
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import ctypes.wintypes
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import enum
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from ctypes.wintypes import LPCWSTR
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from pathlib import Path
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prjfs = ctypes.windll.projectedfslib
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class PRJ_FILE_STATE(enum.IntFlag):
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Placeholder = 1
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HydratedPlaceholder = 2
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DirtyPlaceholder = 4
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Full = 8
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Tombstone = 16
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_PrjGetOnDiskFileState = prjfs.PrjGetOnDiskFileState
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_PrjGetOnDiskFileState.restype = ctypes.HRESULT
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_PrjGetOnDiskFileState.argtypes = [
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ctypes.wintypes.LPCWSTR,
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ctypes.POINTER(ctypes.c_int),
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]
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def PrjGetOnDiskFileState(path: Path) -> PRJ_FILE_STATE:
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state = ctypes.c_int(0)
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result = _PrjGetOnDiskFileState(LPCWSTR(str(path)), ctypes.byref(state))
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# Python will automatically throw OSError when result is non-zero
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if result == 0:
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return PRJ_FILE_STATE(state.value)
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# It should never reach here, but just to make typechecker happy
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raise RuntimeError("Windows Error: " + result)
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