Rails core - Feb 2007 - Let's make RAILS_ROOT an absolute path on Windows

As this Caboose article [] suggests, I am not the only one who had
this problem. RAILS_ROOT is a relative path on Windows, and it can
bite you in unexpected ways. I had that problem while working on
CruiseControl.rb.

There is a trivial patch fixing it (by simply applying
File.expand_path to the path before assigning it into the RAILS_ROOT
constant): http://dev.rubyonrails.org/ticket/7259

Best regards,
Alex Verkhovsky


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On 2/11/07, alexey.verkhovsky@gmail.com <alexey.verkhovsky@gmail.com>
wrote:
>
> As this Caboose article [] suggests

Oops, the missing link was
http://i.nfectio.us/articles/2007/02/10/rails_root-and-dir-chdir

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expand_path doesn''t play nice with symlinks, so RAILS_ROOT will be set
to deploy_dir/releases/9374789394 instead of /current.

What in particular is breaking your application?


-- 
Cheers

Koz

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On 2/11/07, Michael Koziarski <michael@koziarski.com>
wrote:
>
>
> expand_path doesn''t play nice with symlinks, so RAILS_ROOT will be
set
> to deploy_dir/releases/9374789394 instead of /current.


Right. Thanks for reminding me. We had exact same conversation two years
ago, and I completely forgot about it by now.

Rails autoloading, and Kernel.require in general, breaks when you chdir into
another directory after executing config/environment.rb. chdir invalidates
all  $: entries added by Rails, because all of them start from (relative)
RAILS_ROOT.

You typically need to change the current working directory before executing
external processes. A workaround is to wrap every shell command within its
own chdir block. It''s not too hard to do, just hard to remember.

Best regards,
Alex

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I''d also like to switch to realpath instead of cleanpath...

On 2/11/07, Alexey Verkhovsky <alexey.verkhovsky@gmail.com>
wrote:
> On 2/11/07, alexey.verkhovsky@gmail.com <alexey.verkhovsky@gmail.com>
wrote:
> >
> > As this Caboose article [] suggests
>
>
> Oops, the missing link was
> http://i.nfectio.us/articles/2007/02/10/rails_root-and-dir-chdir
>
> >
>
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