From: Joel VanderWerf <vjoel@...>
Date: 2009-06-13T07:11:22+09:00
Subject: Re: bug in FileUtils.ln_s ?

Joel VanderWerf wrote:
> 
> FileUtils.ln_s is supposed to do this:
> 
>      ln_s(old, new, options = {})
> 
>      Creates a symbolic link new which points to old. If new already
>      exists and it is a directory, creates a symbolic link +new/old+.
>      If new already exists and it is not a directory, raises
>      Errno::EEXIST. But if :force option is set, overwrite new.
> 
> But in this case something is wrong:
> 
> $ mkdir foo
> $ echo 1>t.rb
> $ ruby -r fileutils -e 'FileUtils.ln_s "t.rb", "foo/t.rb"'
> $ ls -l foo
> total 0
> lrwxrwxrwx 1 vjoel vjoel 4 2009-06-12 14:47 t.rb -> t.rb
> 
> Why is this a cyclic link?

Bah, that's the way ln(1) behaves, and I forgot. Moral of the story, 
it's a _symbolic_ link; #ln_s just creates a link to the string you give 
it, without relativizing to the current dir or anything.

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407