* bug#50625: ghostscript shell scripts refer to unqualified external commands
@ 2021-09-16 15:28 Jack Hill
2021-09-17 14:44 ` zimoun
0 siblings, 1 reply; 2+ messages in thread
From: Jack Hill @ 2021-09-16 15:28 UTC (permalink / raw)
To: 50625
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* bug#50625: ghostscript shell scripts refer to unqualified external commands
2021-09-16 15:28 bug#50625: ghostscript shell scripts refer to unqualified external commands Jack Hill
@ 2021-09-17 14:44 ` zimoun
0 siblings, 0 replies; 2+ messages in thread
From: zimoun @ 2021-09-17 14:44 UTC (permalink / raw)
To: Jack Hill; +Cc: 50625
Hi,
On Thu, 16 Sept 2021 at 17:29, Jack Hill <jackhill@jackhill.us> 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
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2021-09-16 15:28 bug#50625: ghostscript shell scripts refer to unqualified external commands Jack Hill
2021-09-17 14:44 ` zimoun
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