bug#67334: closed (diffoscope: missing/undetected dependencies?)

[GNU bug Tracking System]

Your message dated Thu, 07 Mar 2024 10:38:50 -0800
with message-id <87o7bpopj9.fsf@wireframe>
and subject line Re: bug#67334: diffoscope: missing/undetected dependencies?
has caused the debbugs.gnu.org bug report #67334,
regarding diffoscope: missing/undetected dependencies?
to be marked as done.

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67334: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=67334
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> --- Begin Message ---
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> Subject: 
>
> diffoscope: missing/undetected dependencies?
>
>
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>
> Date: 
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> Tue, 21 Nov 2023 08:21:14 -0900
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> Hi, recently I tried to use diffoscope to compare to PDFs. I got these errors:
>
> │┄ xxd not available in path. Falling back to Python hexlify.
> │┄ 'pdftotext' not available in path. Falling back to binary comparison.
>
> I found that if I installed packages `xxd' and `xpdf' into my environment, the 
> errors go away and I can compare line-by-line as expected.
>
> Here is my system information:
>
> ```
> Generation 53   Nov 06 2023 09:39:57    (current)
>   guix 3f83dc5
>     repository URL: https://git.savannah.gnu.org/git/guix.git
>     branch: master
>     commit: 3f83dc5587573f173b1f61864c9b510f05de84b1
> ```
>
> ```
> christopher@theoden 
> ------------------- 
> OS: Guix System x86_64 
> Host: OptiPlex 9020 00 
> Kernel: 5.15.137-gnu 
> Uptime: 19 hours, 34 mins 
> Packages: 99 (guix-system), 214 (guix-user) 
> Shell: bash 5.1.16 
> Resolution: 1920x1080 
> DE: GNOME 
> Theme: Adwaita [GTK2/3] 
> Icons: Adwaita [GTK2/3] 
> Terminal: shepherd 
> CPU: Intel i5-4570 (4) @ 3.600GHz 
> GPU: AMD ATI Radeon HD 8490 / R5 235X OEM 
> GPU: Intel HD Graphics 
> Memory: 4145MiB / 7867MiB 
> ```
>
> -- 
> 📛 Christopher Howard
> 🚀 gemini://gem.librehacker.com
> 🌐 http://gem.librehacker.com
>
> בראשית ברא אלהים את השמים ואת הארץ
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: bug#67334: diffoscope: missing/undetected dependencies? Date: Thu, 07 Mar 2024 10:38:50 -0800

On 2023-11-21, Christopher Howard wrote:
> Hi, recently I tried to use diffoscope to compare to PDFs. I got these errors:
>
> │┄ xxd not available in path. Falling back to Python hexlify.
> │┄ 'pdftotext' not available in path. Falling back to binary comparison.
>
> I found that if I installed packages `xxd' and `xpdf' into my environment, 
> the errors go away and I can compare line-by-line as expected.

It is impractical to install all of the available tools that diffoscope
supports, as it supports an absurd number of file formats and thus uses
a very large number of tools.

You can call "diffoscope --list-missing" to give suggestions about
packages you might want to add, and as you've observed, diffoscope
suggests what to install to get better support for the files it is
currently testing.


live well,
  vagrant

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