Subject: Re: [bug#31123] [PATCH 2/2] gnu: texlive-bin: Patch texlua shebangs.

From: Arun Isaac <[email-masked]>
Date: Sat, 21 Apr 2018 00:15:09 +0530

>>                 (with-directory-excursion "texlive-extra"
>>                   (apply unpack (list #:source texlive-extra))
>>                   (apply patch-source-shebangs (list #:source texlive-extra))
>> -                 (invoke "mv" "tlpkg" share))))))))
>> +                 (invoke "mv" "tlpkg" share))
>> +               ;; texlua shebangs are not patched by the patch-source-shebangs
>> +               ;; phase because the texlua executable does not exist at that
>> +               ;; time.
>> +               (setenv "PATH" (string-append (getenv "PATH") ":" out "/bin"))
>> +               (with-directory-excursion out
>> +                 (patch-source-shebangs))))))))
>
> Would it suffice to only patch "out/bin" here?

No, it wouldn't suffice to patch only out/bin. There are files in
share/texmf-dist/scripts/texlive that have texlua shebangs.

> Also, what is the return value of (patch-source-shebangs)?  If it's
> anything other than #t, you know what to do.  Apart from that LGTM.

patch-source-shebangs is a phase in the gnu-build-system. Currently, it
does not return #t. But, that is a problem with the gnu-build-system,
and must be fixed there.