Date: Sun, 09 Jun 2002 03:57:05 -0700 From: Doug Barton <DougB@FreeBSD.org> To: Bill Fenner <fenner@research.att.com> Cc: current@FreeBSD.ORG Subject: Re: perl wrapper and PATH Message-ID: <3D033481.AE78818C@FreeBSD.org> References: <200206080626.XAA22903@windsor.research.att.com>
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Bill Fenner wrote:
>
> I know that the specific mergemaster issues have been addressed, but I
> thought this experience pointed out something subtly astonishing, so I
> figured I'd point it out.
>
> I ran mergemaster, and the perl wrapper started complaining that I
> needed to install perl, so I did "pkg_add -r perl". The port talked
> all about "use.perl port" or "use.perl system", but I figured
> "system" was "wrapper" so I didn't bother running use.perl . I tried
> "perl -de 0", and voila, I had perl. So I ran mergemaster again,
> and the wrapper started complaining again that I needed to install
> perl.
>
> Turns out that mergemaster sets a restrictive PATH, and the wrapper
> (apparently) looks for the "real" perl in the PATH. This can be
> awfully confusing -- "/usr/bin/perl" works, but "env PATH=/usr/bin perl"
> doesn't work.
Actually in the case of the old mergemaster, I don't think even
/usr/bin/perl would have worked, since PATH would still exclude
/usr/local/bin, therefore the wrapper wouldn't have found it.
> I ran "use.perl port", and that gave me a working perl for mergemaster.
> Interestingly, "use.perl system" didn't give me back the perl wrapper;
> I'm not sure what I got. Sigh.
I think I have a new version of use.perl that will handle this problem.
I'm fixin' to post the patch.
Doug
--
"We have known freedom's price. We have shown freedom's power.
And in this great conflict, ... we will see freedom's victory."
- George W. Bush, President of the United States
State of the Union, January 28, 2002
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