[Octave-bug-tracker] [bug #40274] unpack error on failure to move files into destination dir

[Mike Miller]

Update of bug #40274 (project octave):

                Category:                    None => Octave Function        
              Item Group:                    None => Incorrect Result       
                  Status:                    None => Confirmed              
                 Summary: unpack into /tmp name clash => unpack error on
failure to move files into destination dir

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Follow-up Comment #4:

Confirmed in two cases. First, your case where you are unpacking from a URL
string into /tmp. This is because the URL is first saved to a temporary file
in /tmp and then the unpack function fails to recognize that the file is
already in /tmp so it doesn't need to be moved.

The other case is when an absolute or relative path are given to a file to
unpack and the destination directory is actually the same path.

There is logic in the function already to try to figure out when it needs to
move files or not, but that only works if the first argument is a plain file
with no path component.

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