GNU bug report logs - #62181
Gnulib package keeps references to clisp, Python, Perl, and Bash

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Message #20 received at 62181 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Vivien Kraus <vivien <at> planete-kraus.eu>
Cc: 62181 <at> debbugs.gnu.org
Subject: Re: [PATCH 1/2] gnu: gnulib: Reset the shebangs.
Date: Thu, 16 Mar 2023 11:43:58 +0100

Vivien Kraus <vivien <at> planete-kraus.eu> skribis:

> * gnu/packages/build-tools.scm (gnulib) [phase reset-shebangs]: After
> installation, rewrite the /gnu/store shebangs in the distributed build-aux
> files.
> [inputs, native-inputs]: Add bash-minimal.
> [phase let-autogen-execute-gnulib-tool]: Specify a shell to execute
> gnulib-tool from autogen.sh.

[...]

> +          (add-after 'install 'reset-shebangs

s/reset/restore/ ?

> +            (lambda _
> +              (for-each
> +               (lambda (file)
> +                 (false-if-exception
> +                  ;; Might fail on binary files, this is not a problem.
> +                  (substitute* file
> +                    ((#$(file-append (this-package-native-input "bash-minimal")
> +                                     "/bin/sh"))
> +                     "/bin/sh")
> +                    ((#$(file-append (this-package-native-input "python")
> +                                     "/bin/python3"))
> +                     "/usr/bin/env python3")
> +                    ((#$(file-append (this-package-native-input "perl")
> +                                     "/bin/perl"))
> +                     "/usr/bin/perl")
> +                    ((#$(file-append (this-package-native-input "clisp")
> +                                     "/bin/clisp"))
> +                     "/usr/bin/clisp"))))
> +               (find-files (string-append #$output "/src/gnulib"))))))))

How about:

  (substitute* (find-files …)
    (("^#! ?(.*)/bin/([a-zA-Z0-9-]+)" _ prefix program)
     (string-append "#!/bin/" program "\n")))

?

Ludo’.

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