hercules-ci-agent-0.6.6

(NB this release was tagged and published before becoming a GitHub-flavored "Release")

Fixed

• NixOS, nix-darwin modules: check the nix-daemon source and add option to patch an in-memory cache expiry issue
  causing errors in build clusters (of more than 1 machine). The module asks for confirmation.

• Manual action: if you are not using the provided module and you run the agent on
  more than one machine, and you use nix-daemon, to fix above issue, you need to:

  • either upgrade your system's Nix to a recent master or version 2.4.0 when released,
  • or apply this patch to your system's Nix installation: NixOS/nix#3405

• Cachix: 0.3.5 -> 0.3.7 to prevent uploading bad NARs in rare cases.