[Nix-dev] When do Hydra channel builds run?

Vladimír Čunát vcunat at gmail.com
Tue May 17 01:17:44 CEST 2016


On 05/15/2016 11:04 PM, Chris Martin wrote:
> The Hydra build process is sort of opaque to me; commits go into
> nixpkgs, and eventually end up in nixpkgs-channels, but I have no idea
> when or why.

It's when all tests pass and all builds finish in the relevant Hydra
jobset. That may be very fast or it may be delayed indefinitely until
someone fixes things.

The *-small channels are what's meant for security stuff. They depend on
much less things so they update faster (typically in several hours). I
believe all of those currently have the glibc security update
(nixos-{unstable,16.03,15.09}-small).

I've been specifically watching Hydra for these security updates,
restarting randomly failing tests, cancelling superfluous builds,
scheduling evaluations, etc.

--Vladimir


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