rsync - Nov 2009 - DO NOT REPLY [Bug 6936] New: rsync silently fails to preserve uid/gid of -1

https://bugzilla.samba.org/show_bug.cgi?id=6936

           Summary: rsync silently fails to preserve uid/gid of -1
           Product: rsync
           Version: 3.1.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: matt at mattmccutchen.net
         QAContact: rsync-qa at samba.org


Apparently cygwin "stat" can sometimes return a uid or gid of -1. 
Since the
"chown" syscall takes -1 to mean "don't change this
field", rsync silently
fails to preserve the source ownership.  This problem came up on the rsnapshot
list:

https://sourceforge.net/mailarchive/forum.php?thread_name=1259202707.2009.382.camel%40mattlaptop2.local&forum_name=rsnapshot-discuss

Rsync should issue an FERROR_XFER in this case.  I was inclined to have the
receiving side do it because the limitation is in the receiving side's chown
call, but it also looks like -1 has a special meaning to the uid-mapping code,
so maybe the sender needs to catch the value before it causes trouble there.


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https://bugzilla.samba.org/show_bug.cgi?id=6936


wayned at samba.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED




------- Comment #1 from wayned at samba.org  2011-02-22 12:53 CST -------
This is now fixed in the git repo.


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