On 2024-05-17, Vagrant Cascadian wrote:
> * gnu/packages/diffoscope.scm (diffoscope): Update to 267.
> [native-inputs]: Use xz-5.4.

I should probably mention the related upstream diffoscope bug somewhere:

  https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/374

Other options would be to monkey-patch to skip the test when the xz
version is not sufficient or something similar.

live well,
  vagrant