bug#74203: coreutils fails to build

[Collin J. Doering]

Hi lovely maintainers of Guix!

Some time ago I announced the availability of a guix build farm running out of 
the University of Tennessee[1]. Some time ago, builds started failing due to a 
failure to build coreutils[2]; investigation showed a unexpected failing test:

--8<---------------cut here---------------start------------->8---
FAIL tests/cp/reflink-auto.sh (exit status: 1)
--8<---------------cut here---------------end--------------->8---

I found that on other guix systems, this is not occurring. After some online 
sleuthing, it appears that the nix folks have seen this before[3]. They opted 
to disable the test 'tests/cp/reflink-auto.sh' as it can fail when using btrfs. 
On the guix system impacted, disabling coreutils tests makes the package build.

For reference, coreutils was building on cuirass.genenetwork.org on guix commit 
`0c908518375aea50be6dec703367c01944c8c721` and stopped building on 
`66611696975409a52478b95a862a464daeaefe2a`.

I suggest we follow what the nix folks did (disable 
`tests/cp/reflink-auto.sh`). In a following email you will find a patch that 
does so, however, because it changes coreutils, this will cause many packages 
to be rebuilt, so I'm unsure whats the best way to correct this without having 
to wait for core-updates to be merged.

Any advise or insight appreciated.

[1]: https://lists.gnu.org/archive/html/guix-devel/2024-07/msg00033.html
[2]: https://cuirass.genenetwork.org/eval/157119/log/raw
[3]: https://github.com/NixOS/nixpkgs/pull/190211

-- 
Collin J. Doering

http://rekahsoft.ca
http://blog.rekahsoft.ca
http://git.rekahsoft.ca

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