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From: Lee <ler762 AT gmail DOT com>
Date: Sat, 28 Dec 2019 15:23:28 -0500
Message-ID: <CAD8GWstwZmCHVq8faZ9imyjTpzMRc1WiMbkMFT73t=L+zuWPuA@mail.gmail.com>
Subject: Re: Files created with CYGWIN have "NULL SID:(DENY)" windows ACL, inter alia
To: cygwin AT cygwin DOT com
Cc: Peter Binney <peter DOT binney AT gmail DOT com>
Content-Type: text/plain; charset="UTF-8"
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On 12/28/19, Andrey Repin  wrote:
> Greetings, Peter Binney!
>
> Bottom posting in this list, please.
>
>> Hello Andrey - many thanks again.
>
>> I have added noacl to the default fstab entry, so it reads:
>> none /cygdrive cygdrive noacl,binary,posix=0,user 0 0
>
>> and that sorts out the permissions problem, thank you.
>
>> But, bizarrely, it introduced a new one - the WHICH command no longer
>> reports non-executable files on the PATH.

Try adding the exec option to fstab:

$ grep cygdrive /etc/fstab
# none /cygdrive cygdrive binary,posix=0,user 0 0
none /cygdrive cygdrive binary,posix=0,user,noacl,exec 0 0

$ which xcopy
/cygdrive/c/windows/system32/xcopy

$ ls -l /cygdrive/c/windows/system32/xcopy
-rwxr-xr-x 2 Lee None 47616 Sep 15  2018 /cygdrive/c/windows/system32/xcopy.exe

Regards,
Lee

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