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Re: [PATCH] Add ability to print ACL's from ls

From: David Bartley
Subject: Re: [PATCH] Add ability to print ACL's from ls
Date: Thu, 28 May 2009 11:42:21 -0700

On Sun, May 10, 2009 at 6:32 AM, James Youngman <address@hidden> wrote:
> On Sat, May 9, 2009 at 11:59 AM, David Bartley
> <address@hidden> wrote:
>> I considered this. There are at least 3 different variants of ACL's
>> (POSIX, NFSv4 and MacOS X) and they are generally incompatible. UMich
>> created patches to acl/libacl so that you could set NFS4 acl's via
>> getfacl/setfacl using POSIX ACL syntax [1]. However, they recommend
>> that you don't use them due to the formats not being fully compatible.
> Perhaps some kind of scheme-identifying prefix could help to solve
> this problem.   However, that would probably make it harder to decide
> if two ACL representations in fact represent equivalent ACLs.

If I use scheme A on a system that only supports scheme B, I'll have
to convert to scheme B first, which will be lossy. I agree it would be
a nice goal to have a platform independent syntax, but I just don't
see it working well.

Aren't be better including platform-dependent ACL support rather than
no support?

-- David

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