[Catalyst] Scripts and @INC

Tomas Doran bobtfish at bobtfish.net
Fri Feb 26 09:50:28 GMT 2010

On 24 Feb 2010, at 15:33, Stuart Watt wrote:

> Does anybody know if there any very good reason why the fastcgi.pl  
> (and other) scripts move the application's lib folder to the front  
> of @INC even if it is already in @INC but not at the front?


> I've just noticed that my carefully constructed path is being  
> trampled. I depend on occasionally overriding the main application's  
> lib folder with site-specific stuff, and I cannot do that with the  
> current scripts.
> This is a workaround until we get certain old parts of the app  
> ported to Moose, but would it not be more appropriate to only add  
> the library on @INC if it is not there already.
> The line concerned seems to be in ScriptRunner.pm
>     lib->import(File::Spec->catdir($FindBin::Bin, '..', 'lib'));
> Would this be better along the lines of:
>     my $path = File::Spec->catdir($FindBin::Bin, '..', 'lib');
>     unless (grep { $path eq File::Spec->rel2abs($_) } @INC) {
>         lib->import($path);
>     }
> This is not tested, but seems the kind of intent needed. Any  
> thoughts, feedback, alternative solutions welcome.

Looks totally reasonable to me.

Can you follow up with a patch which makes a change like the above and  
adds some tests (as otherwise someone will later 'simplify' it again)..


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