Re: Automatically testing package updates

[Vagrant Cascadian <vagrant@debian.org>]

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On 2024-12-02, Ludovic Courtès wrote:
> A new patch series that has just landed¹ adds a ‘--dependents’ flag (and
> also ‘--development’) to ‘guix build’, which makes it easier to build
> dependents when modifying a package.

Yay!

> Some examples:
>
>   • guile-ssh fails to build with the latest libssh:
>     <https://ci.guix.gnu.org/build/6753990/log>.

This can be fixed by updating to guile-ssh 0.18.0:

  https://issues.guix.gnu.org/74659

Which also works with libssh 0.10.x in guix master.

Running "guix build --dependents guile-ssh" on it now.

First thing I notice is it is trying to build all of rust, which does
not always get a lot of testing on aarch64-linux... so might end up
being a long chain of builds that fail...

Might be nice to have options to exclude specific dependents from the
builds to perform? With guix refresh --list-dependents, it was a bit
difficult, but you could actually manually exclude things from the
output and then only the builds you wanted to try. Maybe something like:

  guix build --dependents PACKAGE --exclude-dependents OTHERPACKAGE


live well,
  vagrant

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