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Re: [Bug-tar] dist tarball contains hardlinks


From: Paul Eggert
Subject: Re: [Bug-tar] dist tarball contains hardlinks
Date: Fri, 23 Jan 2015 08:19:55 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

Dimitrios Apostolou wrote:
$ touch blah
$ ln -s blah link_to_blah
$ cp --dereference link_to_blah blah2

The result is that "blah" and "blah2" have different inode!

Of course, and that's what one would expect, cp makes copies by default, and the copies have a different inode from the original.

I was referring to something like this:

touch blah
ln -s blah link_to_blah
mkdir dir
cp -a --dereference blah link_to_blah dir

This creates two hard links in dir, to the same new file. ("-a" attempts to make "cp" act as much like "tar" as it can.)



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