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@edolstra edolstra commented Oct 1, 2024

Motivation

Some improvements to simplify / speed up GHA CI:

  • Have separate actions for building Nix, running the regular tests and running the VM tests.

  • Use magic-nix-cache so users don't need to get Cachix credentials for their forks.

  • Drop the installer job (which takes ~50 minutes) since we're already building that as part of nix flake check.

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@edolstra edolstra marked this pull request as draft October 1, 2024 14:23
* Have separate actions for building Nix, running the regular tests
  and running the VM tests.

* Use magic-nix-cache so users don't need to get Cachix credentials
  for their forks.

* Drop the installer job since we're already building that as part of
  `nix flake check`.
@domenkozar
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Would have appreciated a ping here, but luckily I saw it by preparing for my NixCon talk.

Two things:

  1. This is going to break install-nix tests
  2. I find the rationalization of replacing Cachix weird, does that mean if let's say we add OIDC and make Cachix faster, then we can replace it again?

I'm not sure I even want to debate things, but it looks to me the development of Nix is becoming unfriendly to other competitors beyond the blessed one, so I'm not going to try to argue back and forth.

@xokdvium
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xokdvium commented Aug 8, 2025

Closing this since we've significantly reworked our CI in the meantime and no longer use cachix for intermediate artifacts. Instead the installer tarball is a GHA artifact that gets pulled and passed to the cachix install nix install action. The CI itself is now plenty fast.

@xokdvium xokdvium closed this Aug 8, 2025
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3 participants