--link-dest doesn't work if target file exists (but needs updating)

Kevin Korb kmk at sanitarium.net
Fri Jan 20 16:01:48 MST 2012

Hash: SHA1

Someone has requested it:

But is seems like an rm -rf and a cp -al would do the same thing.

On 01/20/12 17:56, Brian J. Murrell wrote:
> On 12-01-20 05:42 PM, Kevin Korb wrote:
>> Am I understanding right that your source and your link-dest are 
>> actually the same path?
> Yes they are!
>> If so what are you trying to do that wouldn't be accomplished
>> with a simple 'cp -l'?
> Not all of the files in source and dest are supposed to be the
> same.  I only want to link the files that are.
>> Also, when using --link-dest the target is treated differently. 
>> Normally the target is an empty directory but if files already
>> exist the behavior you are seeing is what is supposed to happen.
>> Instead of deleting files and replacing them with links it
>> assumes that they are already linked to whatever they are
>> supposed to be linked to and updates them accordingly.
> That's a pity.  Understandable perhaps for the case where there is
> more than one link to the destination file, but if there is not
> (i.e. there is only one link to the file, such as the example I
> provided) it should feel free to unlink it and relink it to the
> -link-dest specified file. Additionally, I would think an option to
> force that behavior even if there is >1 link would be useful.
> b.

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