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Message-ID:	<51633042.3090709@cwilson.fastmail.fm>
Date:	Mon, 08 Apr 2013 17:01:54 -0400
From:	Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To:	cygwin AT cygwin DOT com
Subject:	Re: cp "skipping file ..., as it was replaced while being copied
References:	<CAP_ScW1ARAqsKF8yADP4ZRzkF1COCo9GRWjX=-kFrwOsM-aCmQ AT mail DOT gmail DOT com> <1846269758 DOT 20130329193140 AT mtu-net DOT ru> <CAP_ScW1LoTkB7KobeM+xufvhP7tazUPh9evK-0WMCXR9_DhPKg AT mail DOT gmail DOT com> <5155FB50 DOT 1090709 AT cygwin DOT com>
In-Reply-To:	<5155FB50.1090709@cygwin.com>

On 3/29/2013 4:36 PM, Larry Hall (Cygwin) wrote:
> On 3/29/2013 4:25 PM, Bill Priest wrote:
>> #3 I saw lots of complaints and responses for requests for drive info;
>> but I never saw an explanation of why this checking is being done.
>
> I haven't looked at the code like you have but I believe this is to
> avoid the case of the file being copied onto itself.
>

FWIW, I am also seeing this problem, on a remote share (not "ftp") 
mounted to a drive letter, or via its UNC path.  I've worked around the 
issue by using rsync to copy the file, rather than cp (rcp and scp also 
fail).  I'm not sure what rsync does differently, but it works.

user AT machine /k/path $ cp bob fred
cp: skipping file `bob', as it was replaced while being copied

user AT machine /k/path $ scp bob fred
cp: skipping file `bob', as it was replaced while being copied

user AT machine /k/path $ rcp bob fred
/bin/cp: skipping file `bob', as it was replaced while being copied

user AT machine /k/path $ rsync bob fred

user AT machine /k/path $ ls -l bob
-rwxrwxr-x+ 1 user group 13K Apr  8 16:57 bob*

user AT machine /k/path $ getfacl bob
# file: bob
# owner: user
# group: group
user::rwx
group::rwx
group:root:rwx
group:SYSTEM:rwx
mask:rwx
other:r-x

user AT machine /k/path $ /usr/lib/csih/getVolInfo.exe /k
Device Type        : 7
Characteristics    : 10
Volume Name        : <programs10>
Serial Number      : 2684354574
Max Filenamelength : 255
Filesystemname     : <NTFS>
Flags              : 4004e
   FILE_CASE_SENSITIVE_SEARCH  : FALSE
   FILE_CASE_PRESERVED_NAMES   : TRUE
   FILE_UNICODE_ON_DISK        : TRUE
   FILE_PERSISTENT_ACLS        : TRUE
   FILE_FILE_COMPRESSION       : FALSE
   FILE_VOLUME_QUOTAS          : FALSE
   FILE_SUPPORTS_SPARSE_FILES  : TRUE
   FILE_SUPPORTS_REPARSE_POINTS: FALSE
   FILE_SUPPORTS_REMOTE_STORAGE: FALSE
   FILE_VOLUME_IS_COMPRESSED   : FALSE
   FILE_SUPPORTS_OBJECT_IDS    : FALSE
   FILE_SUPPORTS_ENCRYPTION    : FALSE
   FILE_NAMED_STREAMS          : TRUE
   FILE_READ_ONLY_VOLUME       : FALSE
   FILE_SEQUENTIAL_WRITE_ONCE  : FALSE
   FILE_SUPPORTS_TRANSACTIONS  : FALSE

user AT machine /k/path $ mount -m
C: /c ntfs binary,posix=0 0 0
F: /f netapp binary,posix=0 0 0
H: /h netapp binary,posix=0,user 0 0
K: /k cifs binary,exec,posix=0,user 0 0
M: /m mvfs binary,posix=0 0 0
S: /s ntfs binary,posix=0 0 0
X: /x smbfs binary,posix=0,user 0 0
none /cygdrive cygdrive binary,posix=0,user 0 0

--
Chuck


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