PR Merging without hydra

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1

I just tried a nixos-rebuild switch on 20.09 which failed to compile mariadb. I found [20.09] mariadb: 10.4.15 -> 10.4.17 by ajs124 · Pull Request #104284 · NixOS/nixpkgs · GitHub and Hydra - Build 134860182 of job nixos:release-20.09:nixpkgs.mariadb.x86_64-linux so now I was asking myself: what is the policy of releasing to a stable channel if there is no successful CI build? Any material I could read up for this?

2

Someone should restart that build. Idk why it failed, but I did a nix-build -A mariadb.src --check and that succeeds, so I’m quite sure I didn’t put a wrong checksum in there.

As for why the channel advanced… are you using the small channel?

3 
$ nix-channel --list | grep nixos   
nixos https://nixos.org/channels/nixos-20.09
nixos-unstable https://nixos.org/channels/nixos-unstable

but my configuration.nix currently has no unstable.* packages in environment.systemPackages.
It looks something like this

{ config, pkgs, ... }:

let
  ...
  unstable = import <nixos-unstable> { config = { allowUnfree = true; }; };
  ...
in
{
...
 environment.systemPackages = with pkgs; [
    # unstable.bcompare
    # unstable.julia
    calibre
    ponyc
    ...
  ];
  ...
}

so I guess there is something wrong with that?

4

No that’s fine.

The build was restarted and succeeded now, so this should be fixed.

As for channel advancement… AFAIK the channel gets updated once the tested job from the nixos/release-combined.nix succeeds. You can see what’s in there here. As for why those tests and not others? No idea.

5

@ajs124 thanks for the feedback. Just one final question: we also need to wait for all the packages that depend on mariadb (e.g. akonadi)? Or is there an automatic scheduled restart for these cases?