Re: [XEN PATCH 0/1] Bug: Hyperlinks in generated documentation may point to the wrong architecture

[Maximilian Engelhardt <maxi@xxxxxxxxxxxxx>]

On Freitag, 10. Januar 2025 22:32:06 CET Andrew Cooper wrote:
> [...]
> Thanks for the patch.  I'll commit it in due course.
> 
> As an aside though, is there anything we could sensibly do in our own CI
> (Gitlab) to not regress this?
> 
> https://salsa.debian.org/reproducible-builds/reprotest looks like it
> might be good start, but I've never really played in this area before. 
> Would this be suitable, or do you have any other suggestion?

Hi Andrew,

thanks for merging all my patches. Having some upstream xen testing for 
reproducible builds would indeed be a good thing to have.

Reprotest is the tool the salsa CI currently runs as one step and I also have 
been using locally for testing. Salsa is the Debian gitlab instance and there 
is a CI pipeline provided for testing various Debian packaging related things, 
including reproducibility of the Debian package. We use this pipeline for 
testing our Debian xen package.
There is also the reproducible-builds project which among other things looks 
at being able to reproduce the whole Debian archive [1], but as far as i know 
they are using their own tooling for testing.

So to answer your question, I would say reprotest is a good tool for testing 
for reproducibility issues and I don't know any better alternative at the 
moment. There might be some issues e.g. faketime not working as intended in 
certain situations, but there is always the option to configure or disable a 
certain variation if it causes problems.

Maxi

[1] https://tests.reproducible-builds.org/debian/reproducible.html

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