From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=)
Subject: Re: [PATCH] gnu: Add Grue Hunter.
Date: Mon, 03 Jun 2013 12:14:33 +0200
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In-Reply-To: <87bo7nubji.fsf@karetnikov.org> (Nikita Karetnikov's message of
	"Mon, 03 Jun 2013 07:18:41 +0400")
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To: Nikita Karetnikov <nikita@karetnikov.org>
Cc: bug-guix@gnu.org

Nikita Karetnikov <nikita@karetnikov.org> skribis:

>> > 2. I'd like to use
>> >
>> > (patch-shebang (string-append bin "/grue-hunter")
>> > 			   (list perl))
>
>> Should be (list (string-append perl "/bin")).
>
> I don't think so.  Here's the output of (display (string-append "PERL: " =
perl "\n")):
>
> PERL: /nix/store/rp1fdpa8fa4cdx3j76yyhi45lgx796nw-perl-5.16.1/bin/perl
>
> And 'perl' is defined like this:
>
> (perl (string-append (assoc-ref %build-inputs
>                                 "perl")
>                      "/bin/perl"))

Ah OK.  Then remove the /perl part ($PATH should only contain directory
names.)

> There is also a corresponding line in 'inputs'.  Why does the mentioned
> 'patch-shebang' line return the following?
>
> patch-shebang: /nix/store/k6w3d29k2i9acj3v9ypy19v4sqxki8gk-grue-hunter-1.=
0/bin/grue-hunter: warning: no binary for interpreter `perl' found in $PATH

Because =E2=80=98perl=E2=80=99 was not found in $PATH, because of the above.

HTH,
Ludo=E2=80=99.