Re: cp "skipping file ..., as it was replaced while being copied

[Charles Wilson <cygwin at cwilson dot fastmail dot fm>]

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

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

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

user@machine /k/path $ rsync bob fred

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

user@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@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@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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