GNU bug report logs - #13702
24.3.50; dired-do-rename: Mysterious error "(file-error Getting ACL no such file or directory <existing file>)"

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Carsten Bormann <cabo <at> tzi.org>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no such
	file or directory <existing file>)"
Date: Tue, 12 Feb 2013 22:51:13 +0100

In dired, R (rename) a file from a local directory to an NFS mounted
directory.  The error is:

Move `/Users/cabo/demo0/y' to `/net/ull.local/Volumes/buf2b/demo1/y' failed:
(file-error Getting ACL no such file or directory /Users/cabo/demo0/y)

The file very well does exist.  *Directories* can be moved with R,
just files can't.  The file can be moved locally between directories 
or from one NFS mounted directory to another NFS mounted directory.  
Just not from a local filesystem to the NFS mounted directory 
or the other way around.  (System command "mv" succeeds.)

(Unfortunately, the error is hidden from "Enter Debugger on Error", so
I didn't investigate further.)


In GNU Emacs 24.3.50.1 (x86_64-apple-darwin, NS apple-appkit-1038.36)
 of 2013-02-01 on bob.porkrind.org
Bzr revision: 111648 michael.albinus <at> gmx.de-20130201072810-qnugwjqswcupa1wx
Windowing system distributor `Apple', version 10.3.1187
Configured using:
 `configure --host=x86_64-apple-darwin --build=i686-apple-darwin
 --with-ns'

Important settings:
  value of $LC_CTYPE: UTF-8
  locale-coding-system: utf-8-unix
  default enable-multibyte-characters: t

Major mode: Dired by name

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
C-x C-f . <return> R / n e t / u l l .  l o c a l / V o l <tab> b u f 2
b / d e m o 1 / <return> <menu-bar> <help-menu> <send-emacs-bug-report>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
ls does not support --dired; see `dired-use-ls-dired' for more details.
Move `/Users/cabo/demo0/y' to `/net/ull.local/Volumes/buf2b/demo1/y' failed:
(file-error Getting ACL no such file or directory /Users/cabo/demo0/y)


Load-path shadows:
None found.

Features:
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easymenu mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231
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mm-util mail-prsvr mail-utils dired-aux dired time-date tooltip
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base64 format env code-pages mule custom widget hashtable-print-readable
backquote make-network-process ns multi-tty emacs)

Message #8 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Glenn Morris <rgm <at> gnu.org>
To: Carsten Bormann <cabo <at> tzi.org>
Cc: 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no such
	file or directory <existing file>)"
Date: Tue, 12 Feb 2013 18:47:05 -0500

Carsten Bormann wrote:

> In dired, R (rename) a file from a local directory to an NFS mounted
> directory.  The error is:
>
> Move `/Users/cabo/demo0/y' to `/net/ull.local/Volumes/buf2b/demo1/y' failed:
> (file-error Getting ACL no such file or directory /Users/cabo/demo0/y)

FWIW, works fine for me with current trunk on GNU/Linux.

> In GNU Emacs 24.3.50.1 (x86_64-apple-darwin, NS apple-appkit-1038.36)
>  of 2013-02-01 on bob.porkrind.org
> Bzr revision: 111648 michael.albinus <at> gmx.de-20130201072810-qnugwjqswcupa1wx

Message #11 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Romain Francoise <romain <at> orebokech.com>
To: Carsten Bormann <cabo <at> tzi.org>
Cc: 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no such
	file or directory <existing file>)"
Date: Wed, 13 Feb 2013 10:39:20 +0100

Carsten Bormann <cabo <at> tzi.org> writes:

> Move `/Users/cabo/demo0/y' to `/net/ull.local/Volumes/buf2b/demo1/y' failed:
> (file-error Getting ACL no such file or directory /Users/cabo/demo0/y)

Thanks for the report. Google suggests that on Darwin, getting ENOENT from
acl_get_fd() means that the associated file doesn't have an ACL:

 http://lists.apple.com/archives/darwin-dev/2009/Jan/msg00001.html

So the following patch will probably fix things for you:

diff --git a/src/fileio.c b/src/fileio.c
index 89ad339..29c8bf5 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -2090,7 +2090,7 @@ entries (depending on how Emacs was built).  */)
 
 #ifdef HAVE_POSIX_ACL
       acl = acl_get_fd (ifd);
-      if (acl == NULL && errno != ENOTSUP)
+      if (acl == NULL && errno != ENOTSUP && errno != ENOENT)
 	report_file_error ("Getting ACL", Fcons (file, Qnil));
 #endif
     }

Message #14 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Romain Francoise <romain <at> orebokech.com>
Cc: cabo <at> tzi.org, 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no
	such	file or directory <existing file>)"
Date: Wed, 13 Feb 2013 18:08:04 +0200

> From: Romain Francoise <romain <at> orebokech.com>
> Date: Wed, 13 Feb 2013 10:39:20 +0100
> Cc: 13702 <at> debbugs.gnu.org
> 
> --- a/src/fileio.c
> +++ b/src/fileio.c
> @@ -2090,7 +2090,7 @@ entries (depending on how Emacs was built).  */)
>  
>  #ifdef HAVE_POSIX_ACL
>        acl = acl_get_fd (ifd);
> -      if (acl == NULL && errno != ENOTSUP)
> +      if (acl == NULL && errno != ENOTSUP && errno != ENOENT)
>  	report_file_error ("Getting ACL", Fcons (file, Qnil));
>  #endif
>      }

Unless other platforms have the same issue, I'd suggest that the
comparison against ENOENT be conditioned on Darwin.

Message #17 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: 13702 <at> debbugs.gnu.org
Subject: Re: 24.3.50; dired-do-rename: Mysterious error "(file-error Getting
	ACL no such file or directory <existing file>)"
Date: Thu, 14 Feb 2013 14:41:29 -0800

Many other error numbers should be checked for.
Here's what Gnulib's acl-internal.h says on the subject, right now:

/* Recognize some common errors such as from an NFS mount that does
   not support ACLs, even when local drives do.  */
#if defined __APPLE__ && defined __MACH__ /* Mac OS X */
# define ACL_NOT_WELL_SUPPORTED(Err) \
     ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || (Err) == ENOENT)
#elif defined EOPNOTSUPP /* Tru64 NFS */
# define ACL_NOT_WELL_SUPPORTED(Err) \
     ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY || (Err) == EOPNOTSUPP)
#else
# define ACL_NOT_WELL_SUPPORTED(Err) \
     ((Err) == ENOTSUP || (Err) == ENOSYS || (Err) == EINVAL || (Err) == EBUSY)
#endif


Maybe Emacs should steal this macro.  Or we can change Gnulib
to publish it and then use the relevant Gnulib module.

Message #20 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Romain Francoise <romain <at> orebokech.com>
To: 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no such
	file or directory <existing file>)"
Date: Fri, 15 Feb 2013 20:25:50 +0100

Paul Eggert <eggert <at> cs.ucla.edu> writes:

> Or we can change Gnulib to publish it and then use the relevant Gnulib
> module.

It looks useful for any project using ACL, so that would probably be best.
Thanks.

Message #23 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Romain Francoise <romain <at> orebokech.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50;
	dired-do-rename: Mysterious error "(file-error Getting ACL no such
	file or directory <existing file>)"
Date: Sat, 30 Mar 2013 11:04:09 +0100

Hi,

Has any progress been made towards making gnulib's ACL_NOT_WELL_SUPPORTED
macro public? If not, I'll just add a duplicated definition in Emacs.

Thanks.

Message #26 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Romain Francoise <romain <at> orebokech.com>
Cc: 13702 <at> debbugs.gnu.org
Subject: Re: bug#13702: 24.3.50; dired-do-rename: Mysterious error "(file-error
	Getting ACL no such file or directory <existing file>)"
Date: Sat, 30 Mar 2013 09:52:14 -0700

On 03/30/13 03:04, Romain Francoise wrote:
> Has any progress been made towards making gnulib's ACL_NOT_WELL_SUPPORTED
> macro public? If not, I'll just add a duplicated definition in Emacs.

No progress, so a duplicate definition may be the way to go for now.
Please add a FIXME comment for it, though.  Thanks.

Message #31 received at 13702-done <at> debbugs.gnu.org (full text, mbox):

From: Romain Francoise <romain <at> orebokech.com>
To: 13702-done <at> debbugs.gnu.org
Subject: Fixed in r112244
Date: Sun, 07 Apr 2013 13:27:18 +0200

This is now fixed in trunk as of revision 112244:

2013-04-07  Romain Francoise  <romain <at> orebokech.com>

        Ignore additional platform-specific ACL errors (Bug#13702).
        * fileio.c (ACL_NOT_WELL_SUPPORTED): New macro copied from gnulib.
        (Fcopy_file, Fset_file_acl) [HAVE_POSIX_ACL]: Use it.

Message #34 received at 13702 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Romain Francoise <romain <at> orebokech.com>
Cc: 13702 <at> debbugs.gnu.org, cabo <at> tzi.org
Subject: Re: bug#13702: Fixed in r112244
Date: Sun, 07 Apr 2013 19:20:38 +0300

> From: Romain Francoise <romain <at> orebokech.com>
> Date: Sun, 07 Apr 2013 13:27:18 +0200
> 
> This is now fixed in trunk as of revision 112244:
> 
> 2013-04-07  Romain Francoise  <romain <at> orebokech.com>
> 
>         Ignore additional platform-specific ACL errors (Bug#13702).
>         * fileio.c (ACL_NOT_WELL_SUPPORTED): New macro copied from gnulib.
>         (Fcopy_file, Fset_file_acl) [HAVE_POSIX_ACL]: Use it.

Careful: in Emacs, HAVE_POSIX_ACL is defined on MS-Windows as well,
but the gnulib module from which you copied the macro does not support
MS-Windows, AFAICS.  I added a suitable definition for Windows.

Thanks.

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