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  • Committer: John Arbash Meinel
  • Date: 2006-06-29 20:26:43 UTC
  • mto: (1711.4.39 win32-accepted)
  • mto: This revision was merged to the branch mainline in revision 1836.
  • Revision ID: john@arbash-meinel.com-20060629202643-db14152615498634
Change _win32_rename() so that it raises ENOENT *before* it tries any renaming.

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bzrlib/osutils.py
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def _win32_rename(old, new):
 
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    """We expect to be able to atomically replace 'new' with old.
 
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    On win32, if new exists, it must be moved out of the way first, and then
 
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    deleted. However, if this function is called and 'old' doesn't exist
 
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    we should get a ENOENT error.
 
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    """
 
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    # Force ENOENT in the case that 'old' doesn't exist, before we do
 
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    # all the work of trying to move the file around
 
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    os.lstat(old)
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    fancy_rename(old, new, rename_func=os.rename, unlink_func=os.unlink)
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