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Date: Thu, 5 Feb 2009 11:06:58 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Puzzling mv "permission denied" behaviour
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On Feb  4 13:07, Bob Erb wrote:
> I get a "permission denied" problem with mv that I don't understand
> when using mv to rename a directory.  I have sufficient priveleges to
> mv the contents of the directory, and then, when empty, I can mv the
> directory.  Why can I only mv the directory when it's empty, while I
> can mv the contents of the directory separately?
> 
> Here's an illustration; I want to mv directory daily.18 to daily.19:
> 
> $ ls # No daily.19 here.
> daily.0   daily.11  daily.14  daily.17  daily.3  daily.6  daily.9
> daily.1   daily.12  daily.15  daily.18  daily.4  daily.7
> daily.10  daily.13  daily.16  daily.2   daily.5  daily.8
> $ whoami
> rerb
> $ ls -ld # I have privs to mess around here.
> drwx------+ 21 rerb Domain Users 0 Feb  4 12:40 .
> $ ls -ld daily.18  # I've got full perms on daily.18.
> drwxr-xr-x+ 3 rerb Domain Users 0 Feb  4 12:56 daily.18
> $ mv daily.18 daily.19
> mv: cannot move `daily.18' to `daily.19': Permission denied
> $ ls -al daily.18 # What's in daily.18?
> total 0
> drwxr-xr-x+  3 rerb Domain Users 0 Feb  4 12:56 .
> drwx------+ 21 rerb Domain Users 0 Feb  4 12:56 ..
> drwxr-x---+ 53 rerb Domain Users 0 Dec 18 18:02 home
> $ mv daily.18/home . # I can move the contents of daily.18.
> $ mv daily.18 daily.19 # I can move daily.18 when it's empty.
> $ mv home daily.19 # I can move the contents of daily.18 back into daily.19.
> $ mv daily.19 daily.18 # Why can't I move daily.19 back to daily.18?
> mv: cannot move `daily.19' to `daily.18': Permission denied

Works for me.  One reason of this behaviour could be a process having
an open handle on something in this dir.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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