GNU bug report logs - #34340
cp -a doesn't copy acls

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Package: coreutils; Reported by: L A Walsh <coreutils@HIDDEN>; Keywords: moreinfo; dated Tue, 5 Feb 2019 23:52:01 UTC; Maintainer for coreutils is bug-coreutils@HIDDEN.
Added tag(s) moreinfo. Request was from Assaf Gordon <assafgordon@HIDDEN> to control <at> debbugs.gnu.org. Full text available.

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Subject: Re: bug#34340: cp -a doesn't copy acls
To: L A Walsh <coreutils@HIDDEN>, 34340 <at> debbugs.gnu.org
References: <5C5A214B.1030107@HIDDEN>
From: Assaf Gordon <assafgordon@HIDDEN>
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tags 34340 moreinfo
stop

Hello,

On 2019-02-05 4:50 p.m., L A Walsh wrote:
> and it is not on the manpage, but tar copies
> acls and has them on the manpage.
> 
> It guess it is an oversite that cp copies over 'xattrs'
> but not acls?

First,
Can you verify the 'cp' binary you are using was compiled with
ACL support? Something like:

   $ ldd $(which cp) | grep acl
   libacl.so.1 => /lib/x86_64-linux-gnu/libacl.so.1 (0x00007f0b68066000)


Second,
Are you using a local file-system or a remote one?
There is a previous bug about ACLs on NFS4: https://bugs.gnu.org/20884 .

Third,
Do you have a reproducible case?
e.g. on my local system:

    $ touch a
    $ setfacl -m "u:nobody:w" a
    $ cp -a a b

    $ getfacl b
    # file: b
    # owner: gordon
    # group: gordon
    user::rw-
    user:nobody:-w-
    group::r--
    mask::rw-
    other::r--

If you have a reproducible case, please also run it with "strace" to
help us troubleshoot the issue more clearly, e.g.

    strace -o cp-acl.log cp -a a b

And attach the 'cp-acl.log' file.

regards,
  - assaf









Information forwarded to bug-coreutils@HIDDEN:
bug#34340; Package coreutils. Full text available.

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Subject: cp -a doesn't copy acls 
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and it is not on the manpage, but tar copies
acls and has them on the manpage.

It guess it is an oversite that cp copies over 'xattrs'
but not acls?






Acknowledgement sent to L A Walsh <coreutils@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-coreutils@HIDDEN. Full text available.
Report forwarded to bug-coreutils@HIDDEN:
bug#34340; Package coreutils. Full text available.
Please note: This is a static page, with minimal formatting, updated once a day.
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Last modified: Fri, 8 Feb 2019 21:45:02 UTC

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