GNU bug report logs - #49795
zchunk: zstd path

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Christopher Howard <christopher <at> librehacker.com>
To: bug-guix <bug-guix <at> gnu.org>
Subject: zchunk: zstd path
Date: Sat, 31 Jul 2021 11:26:34 -0800

Hello, I have been experimenting with the new package zchunk. zchunk
comes with a utility zck_gen_zdict, which utilizes the zstd program.
zstd is a propogated input of zck_gen_zdict, but it appears that
zck_gen_zdict hardcodes zstd to /usr/bin:

```
christopher <at> theoden ~/Scratch$ zck_gen_zdict clonezilla-live-2.6.7-28-
amd64.iso.zck 
Unable to find /usr/bin/zstd
Error generating dict
```

My system information:

```
christopher <at> theoden ~/Scratch$ neofetch --stdout
christopher <at> theoden 
------------------- 
OS: Guix System 94ece4f8f7c80133d759d302b11351b69919209c x86_64 
Host: OptiPlex 9020 00 
Kernel: 5.13.6-gnu 
Uptime: 1 hour, 28 mins 
Packages: 94 (guix-system), 107 (guix-user) 
Shell: bash 5.0.16 
Resolution: 1920x1080 
DE: GNOME 
Theme: Adwaita [GTK2/3] 
Icons: Adwaita [GTK2/3] 
Terminal: .gnome-terminal 
CPU: Intel i5-4570 (4) @ 3.600GHz 
GPU: Intel HD Graphics 
GPU: AMD ATI Radeon HD 8490 / R5 235X OEM 
Memory: 2232MiB / 7869MiB 
```

-- 
Christopher Howard
Gemini capsule: gemini://gem.librehacker.com
Gemini browser: https://git.skyjake.fi/gemini/lagrange/releases
Web viewer: https://proxy.vulpes.one/gemini/gem.librehacker.com

Message #10 received at 49795-done <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Christopher Howard <christopher <at> librehacker.com>
Cc: 49795-done <at> debbugs.gnu.org
Subject: Re: bug#49795: zchunk: zstd path
Date: Tue, 03 Aug 2021 14:34:07 -0400

Hi,

Christopher Howard <christopher <at> librehacker.com> writes:

> Hello, I have been experimenting with the new package zchunk. zchunk
> comes with a utility zck_gen_zdict, which utilizes the zstd program.
> zstd is a propogated input of zck_gen_zdict, but it appears that
> zck_gen_zdict hardcodes zstd to /usr/bin:
>
> ```
> christopher <at> theoden ~/Scratch$ zck_gen_zdict clonezilla-live-2.6.7-28-
> amd64.iso.zck 
> Unable to find /usr/bin/zstd
> Error generating dict
> ```

Fixed with commit 448de3966e:

--8<---------------cut here---------------start------------->8---
$ zck_gen_zdict netinst.iso.zck 
Trying 5 different sets of parameters                                          
k=1998                                                                         
d=8
f=20
steps=4
split=75
accel=1
Save dictionary of size 112640 into file netinst.iso.zdict
--8<---------------cut here---------------end--------------->8---

Thanks for the tests!

Closing.

Maxim

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