rsync - Dec 2011 - Raise an error if file exists on destination

Hello,

I am trying to use rsync to copy files from several origins to a single
destination. I would like to detect when a file gets overwritten because it
is present with the same relative path/name in several origins:


Origin1:
foo/bar.txt

Origin2:
foo/bar.txt

Destination after copy:
foo/bar.txt -> is that from Origin1 or origin2?


I know I can use the `--ignore-existing` option to make sure only the first
version is kept, or I could remove this option to keep the last one. But I
would like to be notified when this happens, either with a warning or an
error.

Is that possible with rsync?

Thanks a lot and best regards,
-- 
Remi
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> I am trying to use rsync to copy files from several origins to a single
destination. I would like to detect when a file gets overwritten because it is
present with the same relative path/name in several origins:
> 
> 
> Origin1:
> foo/bar.txt
> 
> Origin2:
> foo/bar.txt
> 
> Destination after copy:
> foo/bar.txt -> is that from Origin1 or origin2?
> 
> 
> I know I can use the `--ignore-existing` option to make sure only the first
version is kept, or I could remove this option to keep the last one. But I would
like to be notified when this happens, either with a warning or an error.
> 
> Is that possible with rsync?

The -i <--itemize-changes, output a change-summary for all updates> may do
what you want.

However, my understanding for files which are detected to be the same in the
source(s) and the destination will not be updated / overwritten. Perhaps someone
else on the rsync mailing list may be able to clarify this point or answer your
question more appropriately.


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