GNU logs - #50625, boring messages

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Subject: bug#50625: ghostscript shell scripts refer to unqualified external commands
Resent-From: Jack Hill <jackhill@HIDDEN>
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Hi Guix,

Many of the commands, e.g. ps2pdf, provided by the ghostscript package are 
implemented as shell scripts that do some argument or file name processing 
before invoking the main gs binary. These scripts invoke external commands 
like basename, awk, dirname, and even gs by dynamically looking them up 
PATH. Instead, they should refer to a specific path in the store so that 
the behavior of ghostscript doesn't depend on the environment and so that 
Guix can see these references.

Best,
Jack

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Jack Hill <jackhill@HIDDEN>
Subject: bug#50625: Acknowledgement (ghostscript shell scripts refer to
 unqualified external commands)
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Date: Thu, 16 Sep 2021 15:29:02 +0000

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Subject: bug#50625: ghostscript shell scripts refer to unqualified external commands
Resent-From: zimoun <zimon.toutoune@HIDDEN>
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Hi,

On Thu, 16 Sept 2021 at 17:29, Jack Hill <jackhill@HIDDEN> wrote:

> Many of the commands, e.g. ps2pdf, provided by the ghostscript package are
> implemented as shell scripts that do some argument or file name processing
> before invoking the main gs binary. These scripts invoke external commands
> like basename, awk, dirname, and even gs by dynamically looking them up
> PATH. Instead, they should refer to a specific path in the store so that
> the behavior of ghostscript doesn't depend on the environment and so that
> Guix can see these references.

Indeed.

--8<---------------cut here---------------start------------->8---
$ guix environment -C --ad-hoc ghostscript
[env]$ ps2pdf --version
/gnu/store/jc3x02w3dmbff7s5r7g2d21r2jswag4p-profile/bin/ps2pdf: line
8: dirname: command not found
/gnu/store/jc3x02w3dmbff7s5r7g2d21r2jswag4p-profile/bin/ps2pdf14: line
3: dirname: command not found
/gnu/store/jc3x02w3dmbff7s5r7g2d21r2jswag4p-profile/bin/ps2pdfwr: line
7: dirname: command not found
/gnu/store/jc3x02w3dmbff7s5r7g2d21r2jswag4p-profile/bin/ps2pdfwr: line
24: basename: command not found
Usage:  [options...] (input.[e]ps|-) [output.pdf|-]
--8<---------------cut here---------------end--------------->8---

The fix would to add these external commands as 'inputs' and then let
'wrap-program'.  Do you want to give a try?

Cheers,
simon

Last modified: Fri, 17 Sep 2021 15:00:02 UTC

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