rsync - Sep 2007 - DO NOT REPLY [Bug 4961] New: rsync ignores --compare-dest flag?

https://bugzilla.samba.org/show_bug.cgi?id=4961

           Summary: rsync ignores --compare-dest flag?
           Product: rsync
           Version: 2.6.9
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: core
        AssignedTo: wayned@samba.org
        ReportedBy: jae@platinumpsi.com
         QAContact: rsync-qa@samba.org


Perhaps I have the syntax wrong, however, the following attempts to copy all
files in SOURCE every time:

1. mkdir LATEST_CHANGES SOURCE BACKUP_STAGING
2. touch SOURCE/filea SOURCE/fileb SOURCE/filec
3. rsync -avi SOURCE/* LATEST_CHANGES
(all files copied, as expected)
4. touch SOURCE/filed SOURCE/filee
5. rsync -avin SOURCE/* BACKUP_STAGING --compare-dest=LATEST_CHANGES

always reports the three files that are in LATEST_CHANGES:
building file list ... done
>f+++++++ filea
>f+++++++ fileb
>f+++++++ filec
>f+++++++ filed
>f+++++++ filee
( diff SOURCE LATEST_CHANGES yields: )
Only in SOURCE: filed
Only in SOURCE: filee
(implying that files a,b, and c match.)

SO - I'm expecting that filed and filee be copied to BACKUP_STAGING, but not
files a,b, and c.

ultimately, I plan to use this as follows:
rsync -avi SOURCE/* BACKUP_STAGING --compare-dest=LATEST_CHANGES
--compare-dest=BOM_REPO

Is this a bug?  Or am I just using it the wrong way?


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https://bugzilla.samba.org/show_bug.cgi?id=4961





------- Comment #1 from jae@platinumpsi.com  2007-09-08 18:02 CST -------
just discovered that the behavior seems to work as it's supposed to as long
as
the paths are absolute paths.


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------- Comment #2 from hashproduct+rsync@gmail.com  2007-09-08 19:19 CST
-------
You're using it the wrong way.  The man page description of
--compare-dest=DIR
says, "If DIR is a relative path, it is relative to the destination
directory."
 So your option should be --compare-dest=../LATEST_CHANGES .


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wayned@samba.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




------- Comment #3 from wayned@samba.org  2007-09-10 21:01 CST -------
As noted, the path needed to be tweaked to work.


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