Feature Request: Options to limit --one-file-system at
the source or destination.
hans at deragon.biz
Tue Jan 15 21:38:22 GMT 2008
Matt McCutchen wrote:
> On Tue, 2008-01-15 at 13:21 -0500, Hans Deragon wrote:
>> Currently, the --one-file-system applies to both the source and
>> destination and this is a problem.
>> In my source, I have a symlink pointing to a directory on another
>> device which I would like to have copied. I thus use
>> I also use --delete. This is dangerous because if there is a bug in
>> my script, I would not like the destination to become suddenly / and
>> deletion occurs on mounted network drives (granted, the machine would
>> be toast, but the damage would be limited to the machine; not the
>> corporate network).
>> If I make use of --one-file-system, the symlink at the source gets
>> ignored. So I need a --one-file-system option that applies only to
>> the destination, probably named something like
>> Could that be easily implemented? The following two options would be
>> # Limit to one file system at the source.
>> # Limit to one file system at the destination.
> This is a good feature request and would be easy to implement.
> However, if the source contains only a small, fixed set of
> cross-filesystem symlinks that you want to follow, a quicker solution
> would be to use --relative and provide for each such symlink an
> additional source argument that reaches through it, starting a new
> --one-file-system traversal at its target. This approach also avoids
> the need for --copy-unsafe-links. For example, if you want to copy
> ~/src to ~/dest and have rsync follow a symlink ~/src/extrafiles
> -> /tmp/extrafiles to obtain additional source files, you would run:
> rsync -r --relative --one-file-system \
> ~/src/./ ~/src/./extrafiles/ ~/dest/
> Another approach is to use protect filters instead of --one-file-system
> as a precaution against undesired deletions.
Mmm. None of the solutions you presented to me would be satisfying.
For the moment, a got ride of the symlinks at the source by recopying
the files from the other device (have a script to update them). Not
ideal, but it does the job.
Thank you for the quick response.
Consultant en informatique/Software Consultant
Deragon Informatique inc.
http://www.deragon.biz Open source (contribution):
More information about the rsync