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Date:      Sat, 06 Oct 2012 22:24:58 -0700
From:      Doug Barton <dougb@FreeBSD.org>
To:        Jason Helfman <jgh@FreeBSD.org>
Cc:        svn-ports-head@freebsd.org, svn-ports-all@freebsd.org, nemysis@gmx.ch, ports-committers@freebsd.org
Subject:   Re: svn commit: r305338 - in head/games/pycadia: . files
Message-ID:  <5071122A.1050209@FreeBSD.org>
In-Reply-To: <CAMuy=%2Bg9OiTEFrKy1KB6Aju-rtKyG4dvNBt7zi4zDgGpQRcvxg@mail.gmail.com>
References:  <201210060537.q965bUpk005984@svn.freebsd.org> <5070A09B.1090404@FreeBSD.org> <CAMuy=%2BiTW7AgjW1QGjS9n9E5hXfwLwq=kKxmBSia2nDKs_-9-g@mail.gmail.com> <5070B0F0.6080404@FreeBSD.org> <CAMuy=%2Bi15nHdSsyBKo7C4h4jBcGX=ji7ixajhw5W9nXsVHwH5A@mail.gmail.com> <5070B355.1000802@FreeBSD.org> <CAMuy=%2Bg9OiTEFrKy1KB6Aju-rtKyG4dvNBt7zi4zDgGpQRcvxg@mail.gmail.com>

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On 10/06/2012 17:19, Jason Helfman wrote:
> On Sat, Oct 6, 2012 at 3:40 PM, Doug Barton <dougb@freebsd.org
> <mailto:dougb@freebsd.org>> wrote:
> 
>     On 10/06/2012 15:34, Jason Helfman wrote:
>     > On Sat, Oct 6, 2012 at 3:30 PM, Doug Barton <dougb@freebsd.org
>     <mailto:dougb@freebsd.org>
>     > <mailto:dougb@freebsd.org <mailto:dougb@freebsd.org>>> wrote:
>     >
>     >     On 10/06/2012 15:25, Jason Helfman wrote:
>     >     > On Sat, Oct 6, 2012 at 2:20 PM, Doug Barton
>     <dougb@freebsd.org <mailto:dougb@freebsd.org>
>     >     <mailto:dougb@freebsd.org <mailto:dougb@freebsd.org>>
>     >     > <mailto:dougb@freebsd.org <mailto:dougb@freebsd.org>
>     <mailto:dougb@freebsd.org <mailto:dougb@freebsd.org>>>> wrote:
>     >     >
>     >     >     On 10/05/2012 22:37, Jason Helfman wrote:
>     >     >     > Added: head/games/pycadia/files/pycadia.sh.in
>     <http://pycadia.sh.in>;
>     >     <http://pycadia.sh.in>; <http://pycadia.sh.in>;
>     >     >     >
>     >     >
>     >    
>     ==============================================================================
>     >     >     > --- /dev/null 00:00:00 1970   (empty, because file is
>     newly
>     >     added)
>     >     >     > +++ head/games/pycadia/files/pycadia.sh.in
>     <http://pycadia.sh.in>;
>     >     <http://pycadia.sh.in>; <http://pycadia.sh.in>;
>     >     >        Sat Oct  6 05:37:29 2012        (r305338)
>     >     >     > @@ -0,0 +1,6 @@
>     >     >     > +#!/bin/sh
>     >     >     > +#
>     >     >     > +# $FreeBSD$
>     >     >     > +
>     >     >     > +cd "%%DATADIR%%"
>     >     >     > +./pycadia.py
>     >     >
>     >     >     Unless there is some reason to cd into that directory, you'd
>     >     be better
>     >     >     off with just: %%DATADIR%%/pycadia.py
>     >     >
>     >     >     And in any case, shouldn't you be using exec here?
>     >     >
>     >     >
>     >     > I can check with the maintainer, but it does need to be run
>     from the
>     >     > DATADIR specifically.
>     >
>     >     Ok, that's not a problem. A comment to that effect would
>     probably be
>     >     useful for future reference.
>     >
>     >
>     >     > What would exec provide that isn't currently fulfilled?
>     >
>     >     Eliminating the shell.
>     >
>     > Fair enough. I can discuss with maintainer, as he has many ports
>     that do
>     > this. I would suggest using %%PYTHON_CMD%% in favor of exec. Do
>     you see
>     > an issue with that?
> 
>     Yes, unless %%PYTHON_CMD%% has some magic to eliminate the shell that
>     I'm not aware of. :)
> 
>     Try the existing command with and without exec and then look at your ps
>     output to see my point.
> 
>     Doug
> 
> 
> Currently I'm not aware of a method to eliminate the shell within a
> shell script.

None of us knows everything (including me). :)

> Had I realized this was such an issue I would've sent mail
> requesting a review.

It's not that big a deal.

> %%PYTHON_CMD%% become /usr/local/bin/pythonXX

Still missing the point. :)  I sent you and the maintainer a private
message spelling it all out in nauseating detail.

Doug

-- 

    I am only one, but I am one.  I cannot do everything, but I can do
    something.  And I will not let what I cannot do interfere with what
    I can do.
			-- Edward Everett Hale, (1822 - 1909)



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