rsync - Sep 2009 - DO NOT REPLY [Bug 6741] New: 'deleting' messages show up in improper places

https://bugzilla.samba.org/show_bug.cgi?id=6741

           Summary: 'deleting' messages show up in improper places
           Product: rsync
           Version: 3.0.5
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: ascheel at gmail.com
         QAContact: rsync-qa at samba.org


The 'deleting' messages below are showing up in the middle of a
transfer.  It
shows files being deleted and the progress bar appears to detail the deleting
process.  Usually rsync handles files in alphanumeric order, but there are
still a number of files to transfer in the Dio directory.

Dio/path/file.ext
deleting Donovan/folder.jpg
deleting Donovan/path/folder.jpg
     5046272  51%   78.19kB/s    0:01:01


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------- Comment #1 from ascheel at gmail.com  2009-09-17 09:24 CST -------
art at eee1:~$ rsync --version
rsync  version 3.0.5  protocol version 30
Copyright (C) 1996-2008 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
Capabilities:
    64-bit files, 64-bit inums, 32-bit timestamps, 64-bit long ints,
    socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
    append, ACLs, xattrs, iconv, symtimes

rsync comes with ABSOLUTELY NO WARRANTY.  This is free software, and you
are welcome to redistribute it under certain conditions.  See the GNU
General Public Licence for details.


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wayned at samba.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED




------- Comment #2 from wayned at samba.org  2009-09-20 16:02 CST -------
Yeah, the way things currently work when rsync is deleting files as it goes
(ala --delete-during) when pulling files (but not when pushing or making a
local transfer), it is the generator that is outputting messages about what got
deleted, and the receiver outputting messages about what got transferred, and
this can cause the messages to intermix in strange ways.  It would be possible
to modify protocol 31 to allow a MSG_DELETED to be sent to the sender when it
is on the serving side, and have it forward the message on to the receiver, and
then make the receiver output about the deletion.  That would make the output
correct.  I will consider such a change for 3.1.0.  If someone would like to
look into that, feel free to attach a patch to this bug.


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------- Comment #3 from matt at mattmccutchen.net  2009-09-20 21:00 CST -------
(In reply to comment #2)
> It would be possible
> to modify protocol 31 to allow a MSG_DELETED to be sent to the sender when
it
> is on the serving side, and have it forward the message on to the receiver,
and
> then make the receiver output about the deletion.
Careful: that allows a malicious sender to lie to the receiving side's log
about what files were deleted.

On second thought, we may have the same issue for attribute tweaks, or any
other change performed by the generator.  Are those currently logged by the
generator or passed around to the receiver?


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--- Comment #5 from Marc Aur?le La France <tsi at tuyoix.net> ---
Created attachment 18263
  --> https://bugzilla.samba.org/attachment.cgi?id=18263&action=edit
rsync stdout filter

Just something I've come up with to work around this issue.  Not perfect but
does the job.  See usage information in the comments.

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